Merge "Introduce per-schema unit tests for revision storage."
authorjenkins-bot <jenkins-bot@gerrit.wikimedia.org>
Thu, 7 Jun 2018 13:47:00 +0000 (13:47 +0000)
committerGerrit Code Review <gerrit@wikimedia.org>
Thu, 7 Jun 2018 13:47:00 +0000 (13:47 +0000)
22 files changed:
autoload.php
includes/db/PatchFileLocation.php [new file with mode: 0644]
tests/common/TestsAutoLoader.php
tests/phpunit/includes/RevisionContentHandlerDbTest.php [deleted file]
tests/phpunit/includes/RevisionDbTestBase.php
tests/phpunit/includes/RevisionNoContentHandlerDbTest.php [deleted file]
tests/phpunit/includes/RevisionNoContentModelDbTest.php [new file with mode: 0644]
tests/phpunit/includes/RevisionPreMcrDbTest.php [new file with mode: 0644]
tests/phpunit/includes/Storage/McrSchemaDetection.php [new file with mode: 0644]
tests/phpunit/includes/Storage/NoContentModelRevisionStoreDbTest.php [new file with mode: 0644]
tests/phpunit/includes/Storage/PreMcrRevisionStoreDbTest.php [new file with mode: 0644]
tests/phpunit/includes/Storage/PreMcrSchemaOverride.php [new file with mode: 0644]
tests/phpunit/includes/Storage/RevisionStoreDbTest.php [deleted file]
tests/phpunit/includes/Storage/RevisionStoreDbTestBase.php [new file with mode: 0644]
tests/phpunit/includes/Storage/RevisionStoreTest.php
tests/phpunit/includes/Storage/create-pre-mcr-fields.sql [new file with mode: 0644]
tests/phpunit/includes/Storage/drop-mcr-tables.sql [new file with mode: 0644]
tests/phpunit/includes/page/WikiPageContentHandlerDbTest.php [deleted file]
tests/phpunit/includes/page/WikiPageDbTestBase.php
tests/phpunit/includes/page/WikiPageNoContentHandlerDbTest.php [deleted file]
tests/phpunit/includes/page/WikiPageNoContentModelDbTest.php [new file with mode: 0644]
tests/phpunit/includes/page/WikiPagePreMcrDbTest.php [new file with mode: 0644]

index 67cd3b9..7bbffc3 100644 (file)
@@ -889,6 +889,7 @@ $wgAutoloadLocalClasses = [
        'MediaWiki\\Auth\\Throttler' => __DIR__ . '/includes/auth/Throttler.php',
        'MediaWiki\\Auth\\UserDataAuthenticationRequest' => __DIR__ . '/includes/auth/UserDataAuthenticationRequest.php',
        'MediaWiki\\Auth\\UsernameAuthenticationRequest' => __DIR__ . '/includes/auth/UsernameAuthenticationRequest.php',
+       'MediaWiki\\DB\\PatchFileLocation' => __DIR__ . '/includes/db/PatchFileLocation.php',
        'MediaWiki\\Diff\\ComplexityException' => __DIR__ . '/includes/diff/ComplexityException.php',
        'MediaWiki\\Diff\\WordAccumulator' => __DIR__ . '/includes/diff/WordAccumulator.php',
        'MediaWiki\\HeaderCallback' => __DIR__ . '/includes/HeaderCallback.php',
diff --git a/includes/db/PatchFileLocation.php b/includes/db/PatchFileLocation.php
new file mode 100644 (file)
index 0000000..013724c
--- /dev/null
@@ -0,0 +1,90 @@
+<?php
+/**
+ * Trait for finding SQL patch files.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+namespace MediaWiki\DB;
+
+use RuntimeException;
+use Wikimedia\Rdbms\IDatabase;
+
+/**
+ * Trait for finding SQL patch files.
+ *
+ * @since 1.32
+ */
+trait PatchFileLocation {
+
+       /**
+        * Utility function for finding the appropriate SQL patch file for the currently
+        * used database type.
+        *
+        * The file will be searched for in the following locations, in order of preference:
+        *   "$patchDir/$name.$dbType.sql",
+        *   "$patchDir/$dbType/$name.sql",
+        *   "$patchDir/$dbType/archives/$name.sql",
+        *   "$patchDir/$name.sql",
+        *   "$patchDir/archives/$name.sql"
+        *
+        * @param IDatabase $db
+        * @param string $name The script name (relative to $patchDir, without the '.sql' suffix)
+        * @param string $patchDir The directory to find the script in. Use __DIR__ to search in the
+        *        directory the calling code is located in. If omitted, the "maintenance"
+        *        directory will be used, where the scripts used by the updater are located.
+        *
+        * @return string
+        * @throws RuntimeException if no matching patch file could be found.
+        */
+       protected function getSqlPatchPath( IDatabase $db, $name, $patchDir = null ) {
+               $dbType = $db->getType();
+
+               if ( $patchDir === null ) {
+                       $patchDir = $GLOBALS['IP'] . '/maintenance';
+               }
+
+               $paths = [
+
+                       // For a small number of patch files, closely associated with code,
+                       // e.g. for unit tests:
+                       "$patchDir/$name.$dbType.sql",
+
+                       // For a large number of patch files, e.g. for schema updates of extensions:
+                       "$patchDir/$dbType/$name.sql",
+
+                       // For MediaWiki core schema update patches:
+                       "$patchDir/$dbType/archives/$name.sql",
+
+                       // Database-agnostic fallback:
+                       "$patchDir/$name.sql",
+
+                       // Database-agnostic fallback for MediaWiki core schema update patches:
+                       "$patchDir/archives/$name.sql"
+               ];
+
+               foreach ( $paths as $p ) {
+                       if ( file_exists( $p ) ) {
+                               return $p;
+                       }
+               }
+
+               throw new RuntimeException( "No SQL script matching $name could be found in $patchDir" );
+       }
+
+}
index abf718d..a798679 100644 (file)
@@ -149,8 +149,11 @@ $wgAutoloadClasses += [
        'SpecialPageExecutor' => "$testDir/phpunit/includes/specials/SpecialPageExecutor.php",
 
        # tests/phpunit/includes/Storage
+       'MediaWiki\Tests\Storage\McrSchemaDetection' => "$testDir/phpunit/includes/Storage/McrSchemaDetection.php",
        'MediaWiki\Tests\Storage\RevisionSlotsTest' => "$testDir/phpunit/includes/Storage/RevisionSlotsTest.php",
        'MediaWiki\Tests\Storage\RevisionRecordTests' => "$testDir/phpunit/includes/Storage/RevisionRecordTests.php",
+       'MediaWiki\Tests\Storage\RevisionStoreDbTestBase' => "$testDir/phpunit/includes/Storage/RevisionStoreDbTestBase.php",
+       'MediaWiki\Tests\Storage\PreMcrSchemaOverride' => "$testDir/phpunit/includes/Storage/PreMcrSchemaOverride.php",
 
        # tests/phpunit/languages
        'LanguageClassesTestCase' => "$testDir/phpunit/languages/LanguageClassesTestCase.php",
diff --git a/tests/phpunit/includes/RevisionContentHandlerDbTest.php b/tests/phpunit/includes/RevisionContentHandlerDbTest.php
deleted file mode 100644 (file)
index fa0153d..0000000
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-/**
- * @group Database
- * @group medium
- * @group ContentHandler
- */
-class RevisionContentHandlerDbTest extends RevisionDbTestBase {
-
-       protected function getContentHandlerUseDB() {
-               return true;
-       }
-
-}
index 5de34d1..ba1249a 100644 (file)
@@ -43,9 +43,21 @@ abstract class RevisionDbTestBase extends MediaWikiTestCase {
                );
        }
 
+       /**
+        * @return int
+        */
+       abstract protected function getMcrMigrationStage();
+
+       /**
+        * @return string[]
+        */
+       abstract protected function getMcrTablesToReset();
+
        protected function setUp() {
                global $wgContLang;
 
+               $this->tablesUsed += $this->getMcrTablesToReset();
+
                parent::setUp();
 
                $this->mergeMwGlobalArrayValue(
@@ -72,11 +84,17 @@ abstract class RevisionDbTestBase extends MediaWikiTestCase {
                );
 
                $this->setMwGlobals( 'wgContentHandlerUseDB', $this->getContentHandlerUseDB() );
+               $this->setMwGlobals(
+                       'wgMultiContentRevisionSchemaMigrationStage',
+                       $this->getMcrMigrationStage()
+               );
 
                MWNamespace::clearCaches();
                // Reset namespace cache
                $wgContLang->resetNamespaces();
 
+               $this->overrideMwServices();
+
                if ( !$this->testPage ) {
                        /**
                         * We have to create a new page for each subclass as the page creation may result
@@ -1346,6 +1364,7 @@ abstract class RevisionDbTestBase extends MediaWikiTestCase {
         */
        public function testNewKnownCurrent() {
                // Setup the services
+               $this->resetGlobalServices();
                $cache = new WANObjectCache( [ 'cache' => new HashBagOStuff() ] );
                $this->setService( 'MainWANObjectCache', $cache );
                $db = wfGetDB( DB_MASTER );
diff --git a/tests/phpunit/includes/RevisionNoContentHandlerDbTest.php b/tests/phpunit/includes/RevisionNoContentHandlerDbTest.php
deleted file mode 100644 (file)
index c980a48..0000000
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-/**
- * @group Database
- * @group medium
- * @group ContentHandler
- */
-class RevisionNoContentHandlerDbTest extends RevisionDbTestBase {
-
-       protected function getContentHandlerUseDB() {
-               return false;
-       }
-
-}
diff --git a/tests/phpunit/includes/RevisionNoContentModelDbTest.php b/tests/phpunit/includes/RevisionNoContentModelDbTest.php
new file mode 100644 (file)
index 0000000..7923b22
--- /dev/null
@@ -0,0 +1,23 @@
+<?php
+use MediaWiki\Tests\Storage\PreMcrSchemaOverride;
+
+/**
+ * Tests Revision against the pre-MCR, pre ContentHandler DB schema.
+ *
+ * @covers Revision
+ *
+ * @group Revision
+ * @group Storage
+ * @group ContentHandler
+ * @group Database
+ * @group medium
+ */
+class RevisionNoContentModelDbTest extends RevisionDbTestBase {
+
+       use PreMcrSchemaOverride;
+
+       protected function getContentHandlerUseDB() {
+               return false;
+       }
+
+}
diff --git a/tests/phpunit/includes/RevisionPreMcrDbTest.php b/tests/phpunit/includes/RevisionPreMcrDbTest.php
new file mode 100644 (file)
index 0000000..90f1140
--- /dev/null
@@ -0,0 +1,23 @@
+<?php
+use MediaWiki\Tests\Storage\PreMcrSchemaOverride;
+
+/**
+ * Tests Revision against the pre-MCR DB schema.
+ *
+ * @covers Revision
+ *
+ * @group Revision
+ * @group Storage
+ * @group ContentHandler
+ * @group Database
+ * @group medium
+ */
+class RevisionPreMcrDbTest extends RevisionDbTestBase {
+
+       use PreMcrSchemaOverride;
+
+       protected function getContentHandlerUseDB() {
+               return true;
+       }
+
+}
diff --git a/tests/phpunit/includes/Storage/McrSchemaDetection.php b/tests/phpunit/includes/Storage/McrSchemaDetection.php
new file mode 100644 (file)
index 0000000..c90d428
--- /dev/null
@@ -0,0 +1,42 @@
+<?php
+namespace MediaWiki\Tests\Storage;
+
+use Wikimedia\Rdbms\IDatabase;
+
+/**
+ * Trait providing methods for detecting which MCR schema migration phase the current schema
+ * is compatible with.
+ */
+trait McrSchemaDetection {
+
+       /**
+        * Returns true if MCR-related tables exist in the database.
+        * If yes, the database is compatible with with MIGRATION_NEW.
+        * If hasPreMcrFields() also returns true, the database supports MIGRATION_WRITE_BOTH mode.
+        *
+        * @param IDatabase $db
+        * @return bool
+        */
+       protected function hasMcrTables( IDatabase $db ) {
+               return $db->tableExists( 'slots', __METHOD__ );
+       }
+
+       /**
+        * Returns true if pre-MCR fields still exist in the database.
+        * If yes, the database is compatible with with MIGRATION_OLD mode.
+        * If hasMcrTables() also returns true, the database supports MIGRATION_WRITE_BOTH mode.
+        *
+        * Note that if the database has been updated in MIGRATION_NEW mode,
+        * the rev_text_id field will be 0 for new revisions. This means that
+        * in MIGRATION_OLD mode, reading such revisions will fail, even though
+        * all the necessary fields exist.
+        * This is not relevant for unit tests, since unit tests reset the database content anyway.
+        *
+        * @param IDatabase $db
+        * @return bool
+        */
+       protected function hasPreMcrFields( IDatabase $db ) {
+               return $db->fieldExists( 'revision', 'rev_content_model', __METHOD__ );
+       }
+
+}
diff --git a/tests/phpunit/includes/Storage/NoContentModelRevisionStoreDbTest.php b/tests/phpunit/includes/Storage/NoContentModelRevisionStoreDbTest.php
new file mode 100644 (file)
index 0000000..c77a94a
--- /dev/null
@@ -0,0 +1,114 @@
+<?php
+namespace MediaWiki\Tests\Storage;
+
+/**
+ * Tests RevisionStore against the pre-MCR, pre-ContentHandler DB schema.
+ *
+ * @covers \MediaWiki\Storage\RevisionStore
+ *
+ * @group RevisionStore
+ * @group Storage
+ * @group Database
+ * @group medium
+ */
+class NoContentModelRevisionStoreDbTest extends RevisionStoreDbTestBase {
+
+       use PreMcrSchemaOverride;
+
+       protected function getContentHandlerUseDB() {
+               return false;
+       }
+
+       public function provideGetArchiveQueryInfo() {
+               yield [
+                       [
+                               'tables' => [ 'archive' ],
+                               'fields' => array_merge(
+                                       $this->getDefaultArchiveFields(),
+                                       [
+                                               'ar_comment_text' => 'ar_comment',
+                                               'ar_comment_data' => 'NULL',
+                                               'ar_comment_cid' => 'NULL',
+                                               'ar_user_text' => 'ar_user_text',
+                                               'ar_user' => 'ar_user',
+                                               'ar_actor' => 'NULL',
+                                       ]
+                               ),
+                               'joins' => [],
+                       ]
+               ];
+       }
+
+       public function provideGetQueryInfo() {
+               yield [
+                       [],
+                       [
+                               'tables' => [ 'revision' ],
+                               'fields' => array_merge(
+                                       $this->getDefaultQueryFields(),
+                                       $this->getCommentQueryFields(),
+                                       $this->getActorQueryFields()
+                               ),
+                               'joins' => [],
+                       ]
+               ];
+               yield [
+                       [ 'page' ],
+                       [
+                               'tables' => [ 'revision', 'page' ],
+                               'fields' => array_merge(
+                                       $this->getDefaultQueryFields(),
+                                       $this->getCommentQueryFields(),
+                                       $this->getActorQueryFields(),
+                                       [
+                                               'page_namespace',
+                                               'page_title',
+                                               'page_id',
+                                               'page_latest',
+                                               'page_is_redirect',
+                                               'page_len',
+                                       ]
+                               ),
+                               'joins' => [
+                                       'page' => [ 'INNER JOIN', [ 'page_id = rev_page' ] ],
+                               ],
+                       ]
+               ];
+               yield [
+                       [ 'user' ],
+                       [
+                               'tables' => [ 'revision', 'user' ],
+                               'fields' => array_merge(
+                                       $this->getDefaultQueryFields(),
+                                       $this->getCommentQueryFields(),
+                                       $this->getActorQueryFields(),
+                                       [
+                                               'user_name',
+                                       ]
+                               ),
+                               'joins' => [
+                                       'user' => [ 'LEFT JOIN', [ 'rev_user != 0', 'user_id = rev_user' ] ],
+                               ],
+                       ]
+               ];
+               yield [
+                       [ 'text' ],
+                       [
+                               'tables' => [ 'revision', 'text' ],
+                               'fields' => array_merge(
+                                       $this->getDefaultQueryFields(),
+                                       $this->getCommentQueryFields(),
+                                       $this->getActorQueryFields(),
+                                       [
+                                               'old_text',
+                                               'old_flags',
+                                       ]
+                               ),
+                               'joins' => [
+                                       'text' => [ 'INNER JOIN', [ 'rev_text_id=old_id' ] ],
+                               ],
+                       ]
+               ];
+       }
+
+}
diff --git a/tests/phpunit/includes/Storage/PreMcrRevisionStoreDbTest.php b/tests/phpunit/includes/Storage/PreMcrRevisionStoreDbTest.php
new file mode 100644 (file)
index 0000000..4336691
--- /dev/null
@@ -0,0 +1,84 @@
+<?php
+namespace MediaWiki\Tests\Storage;
+
+/**
+ * Tests RevisionStore against the pre-MCR DB schema.
+ *
+ * @covers \MediaWiki\Storage\RevisionStore
+ *
+ * @group RevisionStore
+ * @group Storage
+ * @group Database
+ * @group medium
+ */
+class PreMcrRevisionStoreDbTest extends RevisionStoreDbTestBase {
+
+       use PreMcrSchemaOverride;
+
+       public function provideGetArchiveQueryInfo() {
+               yield [
+                       [
+                               'tables' => [ 'archive' ],
+                               'fields' => array_merge(
+                                       $this->getDefaultArchiveFields(),
+                                       [
+                                               'ar_comment_text' => 'ar_comment',
+                                               'ar_comment_data' => 'NULL',
+                                               'ar_comment_cid' => 'NULL',
+                                               'ar_user_text' => 'ar_user_text',
+                                               'ar_user' => 'ar_user',
+                                               'ar_actor' => 'NULL',
+                                               'ar_content_format',
+                                               'ar_content_model',
+                                       ]
+                               ),
+                               'joins' => [],
+                       ]
+               ];
+       }
+
+       public function provideGetQueryInfo() {
+               yield [
+                       [],
+                       [
+                               'tables' => [ 'revision' ],
+                               'fields' => array_merge(
+                                       $this->getDefaultQueryFields(),
+                                       $this->getCommentQueryFields(),
+                                       $this->getActorQueryFields(),
+                                       $this->getContentHandlerQueryFields()
+                               ),
+                               'joins' => [],
+                       ]
+               ];
+               yield [
+                       [ 'page', 'user', 'text' ],
+                       [
+                               'tables' => [ 'revision', 'page', 'user', 'text' ],
+                               'fields' => array_merge(
+                                       $this->getDefaultQueryFields(),
+                                       $this->getCommentQueryFields(),
+                                       $this->getActorQueryFields(),
+                                       $this->getContentHandlerQueryFields(),
+                                       [
+                                               'page_namespace',
+                                               'page_title',
+                                               'page_id',
+                                               'page_latest',
+                                               'page_is_redirect',
+                                               'page_len',
+                                               'user_name',
+                                               'old_text',
+                                               'old_flags'
+                                       ]
+                               ),
+                               'joins' => [
+                                       'page' => [ 'INNER JOIN', [ 'page_id = rev_page' ] ],
+                                       'user' => [ 'LEFT JOIN', [ 'rev_user != 0', 'user_id = rev_user' ] ],
+                                       'text' => [ 'INNER JOIN', [ 'rev_text_id=old_id' ] ],
+                               ],
+                       ]
+               ];
+       }
+
+}
diff --git a/tests/phpunit/includes/Storage/PreMcrSchemaOverride.php b/tests/phpunit/includes/Storage/PreMcrSchemaOverride.php
new file mode 100644 (file)
index 0000000..5d516e8
--- /dev/null
@@ -0,0 +1,54 @@
+<?php
+namespace MediaWiki\Tests\Storage;
+
+use Wikimedia\Rdbms\IMaintainableDatabase;
+use MediaWiki\DB\PatchFileLocation;
+
+/**
+ * Trait providing schema overrides that allow tests to run against the pre-MCR database schema.
+ */
+trait PreMcrSchemaOverride {
+
+       use PatchFileLocation;
+       use McrSchemaDetection;
+
+       /**
+        * @return int
+        */
+       protected function getMcrMigrationStage() {
+               return MIGRATION_OLD;
+       }
+
+       /**
+        * @return string[]
+        */
+       protected function getMcrTablesToReset() {
+               return [];
+       }
+
+       /**
+        * @override MediaWikiTestCase::getSchemaOverrides
+        * @return array[]
+        */
+       protected function getSchemaOverrides( IMaintainableDatabase $db ) {
+               $overrides = [
+                       'scripts' => [],
+                       'drop' => [],
+                       'create' => [],
+                       'alter' => [],
+               ];
+
+               if ( $this->hasMcrTables( $db ) ) {
+                       $overrides['drop'] = [ 'slots', 'content', 'slot_roles', 'content_models', ];
+                       $overrides['scripts'][] = $this->getSqlPatchPath( $db, '/drop-mcr-tables', __DIR__ );
+               }
+
+               if ( !$this->hasPreMcrFields( $db ) ) {
+                       $overrides['alter'][] = 'revision';
+                       $overrides['scripts'][] = $this->getSqlPatchPath( $db, '/create-pre-mcr-fields', __DIR__ );
+               }
+
+               return $overrides;
+       }
+
+}
diff --git a/tests/phpunit/includes/Storage/RevisionStoreDbTest.php b/tests/phpunit/includes/Storage/RevisionStoreDbTest.php
deleted file mode 100644 (file)
index 2a92956..0000000
+++ /dev/null
@@ -1,1282 +0,0 @@
-<?php
-
-namespace MediaWiki\Tests\Storage;
-
-use CommentStoreComment;
-use Exception;
-use HashBagOStuff;
-use InvalidArgumentException;
-use Language;
-use MediaWiki\Linker\LinkTarget;
-use MediaWiki\MediaWikiServices;
-use MediaWiki\Storage\BlobStoreFactory;
-use MediaWiki\Storage\IncompleteRevisionException;
-use MediaWiki\Storage\MutableRevisionRecord;
-use MediaWiki\Storage\RevisionRecord;
-use MediaWiki\Storage\RevisionStore;
-use MediaWiki\Storage\SlotRecord;
-use MediaWiki\Storage\SqlBlobStore;
-use MediaWikiTestCase;
-use Revision;
-use TestUserRegistry;
-use Title;
-use WANObjectCache;
-use Wikimedia\Rdbms\Database;
-use Wikimedia\Rdbms\DatabaseSqlite;
-use Wikimedia\Rdbms\FakeResultWrapper;
-use Wikimedia\Rdbms\LoadBalancer;
-use Wikimedia\Rdbms\TransactionProfiler;
-use WikiPage;
-use WikitextContent;
-
-/**
- * @group Database
- */
-class RevisionStoreDbTest extends MediaWikiTestCase {
-
-       public function setUp() {
-               parent::setUp();
-               $this->tablesUsed[] = 'archive';
-               $this->tablesUsed[] = 'page';
-               $this->tablesUsed[] = 'revision';
-               $this->tablesUsed[] = 'comment';
-       }
-
-       /**
-        * @return LoadBalancer
-        */
-       private function getLoadBalancerMock( array $server ) {
-               $lb = $this->getMockBuilder( LoadBalancer::class )
-                       ->setMethods( [ 'reallyOpenConnection' ] )
-                       ->setConstructorArgs( [ [ 'servers' => [ $server ] ] ] )
-                       ->getMock();
-
-               $lb->method( 'reallyOpenConnection' )->willReturnCallback(
-                       function ( array $server, $dbNameOverride ) {
-                               return $this->getDatabaseMock( $server );
-                       }
-               );
-
-               return $lb;
-       }
-
-       /**
-        * @return Database
-        */
-       private function getDatabaseMock( array $params ) {
-               $db = $this->getMockBuilder( DatabaseSqlite::class )
-                       ->setMethods( [ 'select', 'doQuery', 'open', 'closeConnection', 'isOpen' ] )
-                       ->setConstructorArgs( [ $params ] )
-                       ->getMock();
-
-               $db->method( 'select' )->willReturn( new FakeResultWrapper( [] ) );
-               $db->method( 'isOpen' )->willReturn( true );
-
-               return $db;
-       }
-
-       public function provideDomainCheck() {
-               yield [ false, 'test', '' ];
-               yield [ 'test', 'test', '' ];
-
-               yield [ false, 'test', 'foo_' ];
-               yield [ 'test-foo_', 'test', 'foo_' ];
-
-               yield [ false, 'dash-test', '' ];
-               yield [ 'dash-test', 'dash-test', '' ];
-
-               yield [ false, 'underscore_test', 'foo_' ];
-               yield [ 'underscore_test-foo_', 'underscore_test', 'foo_' ];
-       }
-
-       /**
-        * @dataProvider provideDomainCheck
-        * @covers \MediaWiki\Storage\RevisionStore::checkDatabaseWikiId
-        */
-       public function testDomainCheck( $wikiId, $dbName, $dbPrefix ) {
-               $this->setMwGlobals(
-                       [
-                               'wgDBname' => $dbName,
-                               'wgDBprefix' => $dbPrefix,
-                       ]
-               );
-
-               $loadBalancer = $this->getLoadBalancerMock(
-                       [
-                               'host' => '*dummy*',
-                               'dbDirectory' => '*dummy*',
-                               'user' => 'test',
-                               'password' => 'test',
-                               'flags' => 0,
-                               'variables' => [],
-                               'schema' => '',
-                               'cliMode' => true,
-                               'agent' => '',
-                               'load' => 100,
-                               'profiler' => null,
-                               'trxProfiler' => new TransactionProfiler(),
-                               'connLogger' => new \Psr\Log\NullLogger(),
-                               'queryLogger' => new \Psr\Log\NullLogger(),
-                               'errorLogger' => function () {
-                               },
-                               'deprecationLogger' => function () {
-                               },
-                               'type' => 'test',
-                               'dbname' => $dbName,
-                               'tablePrefix' => $dbPrefix,
-                       ]
-               );
-               $db = $loadBalancer->getConnection( DB_REPLICA );
-
-               $blobStore = $this->getMockBuilder( SqlBlobStore::class )
-                       ->disableOriginalConstructor()
-                       ->getMock();
-
-               $store = new RevisionStore(
-                       $loadBalancer,
-                       $blobStore,
-                       new WANObjectCache( [ 'cache' => new HashBagOStuff() ] ),
-                       MediaWikiServices::getInstance()->getCommentStore(),
-                       MediaWikiServices::getInstance()->getActorMigration(),
-                       $wikiId
-               );
-
-               $count = $store->countRevisionsByPageId( $db, 0 );
-
-               // Dummy check to make PhpUnit happy. We are really only interested in
-               // countRevisionsByPageId not failing due to the DB domain check.
-               $this->assertSame( 0, $count );
-       }
-
-       private function assertLinkTargetsEqual( LinkTarget $l1, LinkTarget $l2 ) {
-               $this->assertEquals( $l1->getDBkey(), $l2->getDBkey() );
-               $this->assertEquals( $l1->getNamespace(), $l2->getNamespace() );
-               $this->assertEquals( $l1->getFragment(), $l2->getFragment() );
-               $this->assertEquals( $l1->getInterwiki(), $l2->getInterwiki() );
-       }
-
-       private function assertRevisionRecordsEqual( RevisionRecord $r1, RevisionRecord $r2 ) {
-               $this->assertEquals( $r1->getUser()->getName(), $r2->getUser()->getName() );
-               $this->assertEquals( $r1->getUser()->getId(), $r2->getUser()->getId() );
-               $this->assertEquals( $r1->getComment(), $r2->getComment() );
-               $this->assertEquals( $r1->getPageAsLinkTarget(), $r2->getPageAsLinkTarget() );
-               $this->assertEquals( $r1->getTimestamp(), $r2->getTimestamp() );
-               $this->assertEquals( $r1->getVisibility(), $r2->getVisibility() );
-               $this->assertEquals( $r1->getSha1(), $r2->getSha1() );
-               $this->assertEquals( $r1->getParentId(), $r2->getParentId() );
-               $this->assertEquals( $r1->getSize(), $r2->getSize() );
-               $this->assertEquals( $r1->getPageId(), $r2->getPageId() );
-               $this->assertEquals( $r1->getSlotRoles(), $r2->getSlotRoles() );
-               $this->assertEquals( $r1->getWikiId(), $r2->getWikiId() );
-               $this->assertEquals( $r1->isMinor(), $r2->isMinor() );
-               foreach ( $r1->getSlotRoles() as $role ) {
-                       $this->assertSlotRecordsEqual( $r1->getSlot( $role ), $r2->getSlot( $role ) );
-                       $this->assertTrue( $r1->getContent( $role )->equals( $r2->getContent( $role ) ) );
-               }
-               foreach ( [
-                       RevisionRecord::DELETED_TEXT,
-                       RevisionRecord::DELETED_COMMENT,
-                       RevisionRecord::DELETED_USER,
-                       RevisionRecord::DELETED_RESTRICTED,
-               ] as $field ) {
-                       $this->assertEquals( $r1->isDeleted( $field ), $r2->isDeleted( $field ) );
-               }
-       }
-
-       private function assertSlotRecordsEqual( SlotRecord $s1, SlotRecord $s2 ) {
-               $this->assertSame( $s1->getRole(), $s2->getRole() );
-               $this->assertSame( $s1->getModel(), $s2->getModel() );
-               $this->assertSame( $s1->getFormat(), $s2->getFormat() );
-               $this->assertSame( $s1->getSha1(), $s2->getSha1() );
-               $this->assertSame( $s1->getSize(), $s2->getSize() );
-               $this->assertTrue( $s1->getContent()->equals( $s2->getContent() ) );
-
-               $s1->hasRevision() ? $this->assertSame( $s1->getRevision(), $s2->getRevision() ) : null;
-               $s1->hasAddress() ? $this->assertSame( $s1->hasAddress(), $s2->hasAddress() ) : null;
-       }
-
-       private function assertRevisionCompleteness( RevisionRecord $r ) {
-               foreach ( $r->getSlotRoles() as $role ) {
-                       $this->assertSlotCompleteness( $r, $r->getSlot( $role ) );
-               }
-       }
-
-       private function assertSlotCompleteness( RevisionRecord $r, SlotRecord $slot ) {
-               $this->assertTrue( $slot->hasAddress() );
-               $this->assertSame( $r->getId(), $slot->getRevision() );
-       }
-
-       /**
-        * @param mixed[] $details
-        *
-        * @return RevisionRecord
-        */
-       private function getRevisionRecordFromDetailsArray( $title, $details = [] ) {
-               // Convert some values that can't be provided by dataProviders
-               $page = WikiPage::factory( $title );
-               if ( isset( $details['user'] ) && $details['user'] === true ) {
-                       $details['user'] = $this->getTestUser()->getUser();
-               }
-               if ( isset( $details['page'] ) && $details['page'] === true ) {
-                       $details['page'] = $page->getId();
-               }
-               if ( isset( $details['parent'] ) && $details['parent'] === true ) {
-                       $details['parent'] = $page->getLatest();
-               }
-
-               // Create the RevisionRecord with any available data
-               $rev = new MutableRevisionRecord( $title );
-               isset( $details['slot'] ) ? $rev->setSlot( $details['slot'] ) : null;
-               isset( $details['parent'] ) ? $rev->setParentId( $details['parent'] ) : null;
-               isset( $details['page'] ) ? $rev->setPageId( $details['page'] ) : null;
-               isset( $details['size'] ) ? $rev->setSize( $details['size'] ) : null;
-               isset( $details['sha1'] ) ? $rev->setSha1( $details['sha1'] ) : null;
-               isset( $details['comment'] ) ? $rev->setComment( $details['comment'] ) : null;
-               isset( $details['timestamp'] ) ? $rev->setTimestamp( $details['timestamp'] ) : null;
-               isset( $details['minor'] ) ? $rev->setMinorEdit( $details['minor'] ) : null;
-               isset( $details['user'] ) ? $rev->setUser( $details['user'] ) : null;
-               isset( $details['visibility'] ) ? $rev->setVisibility( $details['visibility'] ) : null;
-               isset( $details['id'] ) ? $rev->setId( $details['id'] ) : null;
-
-               return $rev;
-       }
-
-       private function getRandomCommentStoreComment() {
-               return CommentStoreComment::newUnsavedComment( __METHOD__ . '.' . rand( 0, 1000 ) );
-       }
-
-       public function provideInsertRevisionOn_successes() {
-               yield 'Bare minimum revision insertion' => [
-                       Title::newFromText( 'UTPage' ),
-                       [
-                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
-                               'parent' => true,
-                               'comment' => $this->getRandomCommentStoreComment(),
-                               'timestamp' => '20171117010101',
-                               'user' => true,
-                       ],
-               ];
-               yield 'Detailed revision insertion' => [
-                       Title::newFromText( 'UTPage' ),
-                       [
-                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
-                               'parent' => true,
-                               'page' => true,
-                               'comment' => $this->getRandomCommentStoreComment(),
-                               'timestamp' => '20171117010101',
-                               'user' => true,
-                               'minor' => true,
-                               'visibility' => RevisionRecord::DELETED_RESTRICTED,
-                       ],
-               ];
-       }
-
-       /**
-        * @dataProvider provideInsertRevisionOn_successes
-        * @covers \MediaWiki\Storage\RevisionStore::insertRevisionOn
-        */
-       public function testInsertRevisionOn_successes( Title $title, array $revDetails = [] ) {
-               $rev = $this->getRevisionRecordFromDetailsArray( $title, $revDetails );
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $return = $store->insertRevisionOn( $rev, wfGetDB( DB_MASTER ) );
-
-               $this->assertLinkTargetsEqual( $title, $return->getPageAsLinkTarget() );
-               $this->assertRevisionRecordsEqual( $rev, $return );
-               $this->assertRevisionCompleteness( $return );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::insertRevisionOn
-        */
-       public function testInsertRevisionOn_blobAddressExists() {
-               $title = Title::newFromText( 'UTPage' );
-               $revDetails = [
-                       'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
-                       'parent' => true,
-                       'comment' => $this->getRandomCommentStoreComment(),
-                       'timestamp' => '20171117010101',
-                       'user' => true,
-               ];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-
-               // Insert the first revision
-               $revOne = $this->getRevisionRecordFromDetailsArray( $title, $revDetails );
-               $firstReturn = $store->insertRevisionOn( $revOne, wfGetDB( DB_MASTER ) );
-               $this->assertLinkTargetsEqual( $title, $firstReturn->getPageAsLinkTarget() );
-               $this->assertRevisionRecordsEqual( $revOne, $firstReturn );
-
-               // Insert a second revision inheriting the same blob address
-               $revDetails['slot'] = SlotRecord::newInherited( $firstReturn->getSlot( 'main' ) );
-               $revTwo = $this->getRevisionRecordFromDetailsArray( $title, $revDetails );
-               $secondReturn = $store->insertRevisionOn( $revTwo, wfGetDB( DB_MASTER ) );
-               $this->assertLinkTargetsEqual( $title, $secondReturn->getPageAsLinkTarget() );
-               $this->assertRevisionRecordsEqual( $revTwo, $secondReturn );
-
-               // Assert that the same blob address has been used.
-               $this->assertEquals(
-                       $firstReturn->getSlot( 'main' )->getAddress(),
-                       $secondReturn->getSlot( 'main' )->getAddress()
-               );
-               // And that different revisions have been created.
-               $this->assertNotSame(
-                       $firstReturn->getId(),
-                       $secondReturn->getId()
-               );
-       }
-
-       public function provideInsertRevisionOn_failures() {
-               yield 'no slot' => [
-                       Title::newFromText( 'UTPage' ),
-                       [
-                               'comment' => $this->getRandomCommentStoreComment(),
-                               'timestamp' => '20171117010101',
-                               'user' => true,
-                       ],
-                       new InvalidArgumentException( 'At least one slot needs to be defined!' )
-               ];
-               yield 'slot that is not main slot' => [
-                       Title::newFromText( 'UTPage' ),
-                       [
-                               'slot' => SlotRecord::newUnsaved( 'lalala', new WikitextContent( 'Chicken' ) ),
-                               'comment' => $this->getRandomCommentStoreComment(),
-                               'timestamp' => '20171117010101',
-                               'user' => true,
-                       ],
-                       new InvalidArgumentException( 'Only the main slot is supported for now!' )
-               ];
-               yield 'no timestamp' => [
-                       Title::newFromText( 'UTPage' ),
-                       [
-                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
-                               'comment' => $this->getRandomCommentStoreComment(),
-                               'user' => true,
-                       ],
-                       new IncompleteRevisionException( 'timestamp field must not be NULL!' )
-               ];
-               yield 'no comment' => [
-                       Title::newFromText( 'UTPage' ),
-                       [
-                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
-                               'timestamp' => '20171117010101',
-                               'user' => true,
-                       ],
-                       new IncompleteRevisionException( 'comment must not be NULL!' )
-               ];
-               yield 'no user' => [
-                       Title::newFromText( 'UTPage' ),
-                       [
-                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
-                               'comment' => $this->getRandomCommentStoreComment(),
-                               'timestamp' => '20171117010101',
-                       ],
-                       new IncompleteRevisionException( 'user must not be NULL!' )
-               ];
-       }
-
-       /**
-        * @dataProvider provideInsertRevisionOn_failures
-        * @covers \MediaWiki\Storage\RevisionStore::insertRevisionOn
-        */
-       public function testInsertRevisionOn_failures(
-               Title $title,
-               array $revDetails = [],
-               Exception $exception ) {
-               $rev = $this->getRevisionRecordFromDetailsArray( $title, $revDetails );
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-
-               $this->setExpectedException(
-                       get_class( $exception ),
-                       $exception->getMessage(),
-                       $exception->getCode()
-               );
-               $store->insertRevisionOn( $rev, wfGetDB( DB_MASTER ) );
-       }
-
-       public function provideNewNullRevision() {
-               yield [
-                       Title::newFromText( 'UTPage' ),
-                       CommentStoreComment::newUnsavedComment( __METHOD__ . ' comment1' ),
-                       true,
-               ];
-               yield [
-                       Title::newFromText( 'UTPage' ),
-                       CommentStoreComment::newUnsavedComment( __METHOD__ . ' comment2', [ 'a' => 1 ] ),
-                       false,
-               ];
-       }
-
-       /**
-        * @dataProvider provideNewNullRevision
-        * @covers \MediaWiki\Storage\RevisionStore::newNullRevision
-        */
-       public function testNewNullRevision( Title $title, $comment, $minor ) {
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $user = TestUserRegistry::getMutableTestUser( __METHOD__ )->getUser();
-
-               $parent = $store->getRevisionByTitle( $title );
-               $record = $store->newNullRevision(
-                       wfGetDB( DB_MASTER ),
-                       $title,
-                       $comment,
-                       $minor,
-                       $user
-               );
-
-               $this->assertEquals( $title->getNamespace(), $record->getPageAsLinkTarget()->getNamespace() );
-               $this->assertEquals( $title->getDBkey(), $record->getPageAsLinkTarget()->getDBkey() );
-               $this->assertEquals( $comment, $record->getComment() );
-               $this->assertEquals( $minor, $record->isMinor() );
-               $this->assertEquals( $user->getName(), $record->getUser()->getName() );
-               $this->assertEquals( $parent->getId(), $record->getParentId() );
-
-               $parentSlot = $parent->getSlot( 'main' );
-               $slot = $record->getSlot( 'main' );
-
-               $this->assertTrue( $slot->isInherited(), 'isInherited' );
-               $this->assertSame( $parentSlot->getOrigin(), $slot->getOrigin(), 'getOrigin' );
-               $this->assertSame( $parentSlot->getAddress(), $slot->getAddress(), 'getAddress' );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::newNullRevision
-        */
-       public function testNewNullRevision_nonExistingTitle() {
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $record = $store->newNullRevision(
-                       wfGetDB( DB_MASTER ),
-                       Title::newFromText( __METHOD__ . '.iDontExist!' ),
-                       CommentStoreComment::newUnsavedComment( __METHOD__ . ' comment' ),
-                       false,
-                       TestUserRegistry::getMutableTestUser( __METHOD__ )->getUser()
-               );
-               $this->assertNull( $record );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getRcIdIfUnpatrolled
-        */
-       public function testGetRcIdIfUnpatrolled_returnsRecentChangesId() {
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $status = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
-               /** @var Revision $rev */
-               $rev = $status->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $revisionRecord = $store->getRevisionById( $rev->getId() );
-               $result = $store->getRcIdIfUnpatrolled( $revisionRecord );
-
-               $this->assertGreaterThan( 0, $result );
-               $this->assertSame(
-                       $page->getRevision()->getRecentChange()->getAttribute( 'rc_id' ),
-                       $result
-               );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getRcIdIfUnpatrolled
-        */
-       public function testGetRcIdIfUnpatrolled_returnsZeroIfPatrolled() {
-               // This assumes that sysops are auto patrolled
-               $sysop = $this->getTestSysop()->getUser();
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $status = $page->doEditContent(
-                       new WikitextContent( __METHOD__ ),
-                       __METHOD__,
-                       0,
-                       false,
-                       $sysop
-               );
-               /** @var Revision $rev */
-               $rev = $status->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $revisionRecord = $store->getRevisionById( $rev->getId() );
-               $result = $store->getRcIdIfUnpatrolled( $revisionRecord );
-
-               $this->assertSame( 0, $result );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getRecentChange
-        */
-       public function testGetRecentChange() {
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $content = new WikitextContent( __METHOD__ );
-               $status = $page->doEditContent( $content, __METHOD__ );
-               /** @var Revision $rev */
-               $rev = $status->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $revRecord = $store->getRevisionById( $rev->getId() );
-               $recentChange = $store->getRecentChange( $revRecord );
-
-               $this->assertEquals( $rev->getId(), $recentChange->getAttribute( 'rc_this_oldid' ) );
-               $this->assertEquals( $rev->getRecentChange(), $recentChange );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getRevisionById
-        */
-       public function testGetRevisionById() {
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $content = new WikitextContent( __METHOD__ );
-               $status = $page->doEditContent( $content, __METHOD__ );
-               /** @var Revision $rev */
-               $rev = $status->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $revRecord = $store->getRevisionById( $rev->getId() );
-
-               $this->assertSame( $rev->getId(), $revRecord->getId() );
-               $this->assertTrue( $revRecord->getSlot( 'main' )->getContent()->equals( $content ) );
-               $this->assertSame( __METHOD__, $revRecord->getComment()->text );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getRevisionByTitle
-        */
-       public function testGetRevisionByTitle() {
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $content = new WikitextContent( __METHOD__ );
-               $status = $page->doEditContent( $content, __METHOD__ );
-               /** @var Revision $rev */
-               $rev = $status->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $revRecord = $store->getRevisionByTitle( $page->getTitle() );
-
-               $this->assertSame( $rev->getId(), $revRecord->getId() );
-               $this->assertTrue( $revRecord->getSlot( 'main' )->getContent()->equals( $content ) );
-               $this->assertSame( __METHOD__, $revRecord->getComment()->text );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getRevisionByPageId
-        */
-       public function testGetRevisionByPageId() {
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $content = new WikitextContent( __METHOD__ );
-               $status = $page->doEditContent( $content, __METHOD__ );
-               /** @var Revision $rev */
-               $rev = $status->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $revRecord = $store->getRevisionByPageId( $page->getId() );
-
-               $this->assertSame( $rev->getId(), $revRecord->getId() );
-               $this->assertTrue( $revRecord->getSlot( 'main' )->getContent()->equals( $content ) );
-               $this->assertSame( __METHOD__, $revRecord->getComment()->text );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getRevisionByTimestamp
-        */
-       public function testGetRevisionByTimestamp() {
-               // Make sure there is 1 second between the last revision and the rev we create...
-               // Otherwise we might not get the correct revision and the test may fail...
-               // :(
-               sleep( 1 );
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $content = new WikitextContent( __METHOD__ );
-               $status = $page->doEditContent( $content, __METHOD__ );
-               /** @var Revision $rev */
-               $rev = $status->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $revRecord = $store->getRevisionByTimestamp(
-                       $page->getTitle(),
-                       $rev->getTimestamp()
-               );
-
-               $this->assertSame( $rev->getId(), $revRecord->getId() );
-               $this->assertTrue( $revRecord->getSlot( 'main' )->getContent()->equals( $content ) );
-               $this->assertSame( __METHOD__, $revRecord->getComment()->text );
-       }
-
-       private function revisionToRow( Revision $rev ) {
-               $page = WikiPage::factory( $rev->getTitle() );
-
-               return (object)[
-                       'rev_id' => (string)$rev->getId(),
-                       'rev_page' => (string)$rev->getPage(),
-                       'rev_text_id' => (string)$rev->getTextId(),
-                       'rev_timestamp' => (string)$rev->getTimestamp(),
-                       'rev_user_text' => (string)$rev->getUserText(),
-                       'rev_user' => (string)$rev->getUser(),
-                       'rev_minor_edit' => $rev->isMinor() ? '1' : '0',
-                       'rev_deleted' => (string)$rev->getVisibility(),
-                       'rev_len' => (string)$rev->getSize(),
-                       'rev_parent_id' => (string)$rev->getParentId(),
-                       'rev_sha1' => (string)$rev->getSha1(),
-                       'rev_comment_text' => $rev->getComment(),
-                       'rev_comment_data' => null,
-                       'rev_comment_cid' => null,
-                       'rev_content_format' => $rev->getContentFormat(),
-                       'rev_content_model' => $rev->getContentModel(),
-                       'page_namespace' => (string)$page->getTitle()->getNamespace(),
-                       'page_title' => $page->getTitle()->getDBkey(),
-                       'page_id' => (string)$page->getId(),
-                       'page_latest' => (string)$page->getLatest(),
-                       'page_is_redirect' => $page->isRedirect() ? '1' : '0',
-                       'page_len' => (string)$page->getContent()->getSize(),
-                       'user_name' => (string)$rev->getUserText(),
-               ];
-       }
-
-       private function assertRevisionRecordMatchesRevision(
-               Revision $rev,
-               RevisionRecord $record
-       ) {
-               $this->assertSame( $rev->getId(), $record->getId() );
-               $this->assertSame( $rev->getPage(), $record->getPageId() );
-               $this->assertSame( $rev->getTimestamp(), $record->getTimestamp() );
-               $this->assertSame( $rev->getUserText(), $record->getUser()->getName() );
-               $this->assertSame( $rev->getUser(), $record->getUser()->getId() );
-               $this->assertSame( $rev->isMinor(), $record->isMinor() );
-               $this->assertSame( $rev->getVisibility(), $record->getVisibility() );
-               $this->assertSame( $rev->getSize(), $record->getSize() );
-               /**
-                * @note As of MW 1.31, the database schema allows the parent ID to be
-                * NULL to indicate that it is unknown.
-                */
-               $expectedParent = $rev->getParentId();
-               if ( $expectedParent === null ) {
-                       $expectedParent = 0;
-               }
-               $this->assertSame( $expectedParent, $record->getParentId() );
-               $this->assertSame( $rev->getSha1(), $record->getSha1() );
-               $this->assertSame( $rev->getComment(), $record->getComment()->text );
-               $this->assertSame( $rev->getContentFormat(), $record->getContent( 'main' )->getDefaultFormat() );
-               $this->assertSame( $rev->getContentModel(), $record->getContent( 'main' )->getModel() );
-               $this->assertLinkTargetsEqual( $rev->getTitle(), $record->getPageAsLinkTarget() );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow
-        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow_1_29
-        */
-       public function testNewRevisionFromRow_anonEdit() {
-               $this->setMwGlobals( 'wgActorTableSchemaMigrationStage', MIGRATION_WRITE_BOTH );
-               $this->overrideMwServices();
-
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $text = __METHOD__ . 'a-ä';
-               /** @var Revision $rev */
-               $rev = $page->doEditContent(
-                       new WikitextContent( $text ),
-                       __METHOD__ . 'a'
-               )->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $record = $store->newRevisionFromRow(
-                       $this->revisionToRow( $rev ),
-                       [],
-                       $page->getTitle()
-               );
-               $this->assertRevisionRecordMatchesRevision( $rev, $record );
-               $this->assertSame( $text, $rev->getContent()->serialize() );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow
-        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow_1_29
-        */
-       public function testNewRevisionFromRow_anonEdit_legacyEncoding() {
-               $this->setMwGlobals( 'wgLegacyEncoding', 'windows-1252' );
-               $this->overrideMwServices();
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $text = __METHOD__ . 'a-ä';
-               /** @var Revision $rev */
-               $rev = $page->doEditContent(
-                       new WikitextContent( $text ),
-                       __METHOD__. 'a'
-               )->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $record = $store->newRevisionFromRow(
-                       $this->revisionToRow( $rev ),
-                       [],
-                       $page->getTitle()
-               );
-               $this->assertRevisionRecordMatchesRevision( $rev, $record );
-               $this->assertSame( $text, $rev->getContent()->serialize() );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow
-        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow_1_29
-        */
-       public function testNewRevisionFromRow_userEdit() {
-               $this->setMwGlobals( 'wgActorTableSchemaMigrationStage', MIGRATION_WRITE_BOTH );
-               $this->overrideMwServices();
-
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $text = __METHOD__ . 'b-ä';
-               /** @var Revision $rev */
-               $rev = $page->doEditContent(
-                       new WikitextContent( $text ),
-                       __METHOD__ . 'b',
-                       0,
-                       false,
-                       $this->getTestUser()->getUser()
-               )->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $record = $store->newRevisionFromRow(
-                       $this->revisionToRow( $rev ),
-                       [],
-                       $page->getTitle()
-               );
-               $this->assertRevisionRecordMatchesRevision( $rev, $record );
-               $this->assertSame( $text, $rev->getContent()->serialize() );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromArchiveRow
-        */
-       public function testNewRevisionFromArchiveRow() {
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $title = Title::newFromText( __METHOD__ );
-               $text = __METHOD__ . '-bä';
-               $page = WikiPage::factory( $title );
-               /** @var Revision $orig */
-               $orig = $page->doEditContent( new WikitextContent( $text ), __METHOD__ )
-                       ->value['revision'];
-               $page->doDeleteArticle( __METHOD__ );
-
-               $db = wfGetDB( DB_MASTER );
-               $arQuery = $store->getArchiveQueryInfo();
-               $res = $db->select(
-                       $arQuery['tables'], $arQuery['fields'], [ 'ar_rev_id' => $orig->getId() ],
-                       __METHOD__, [], $arQuery['joins']
-               );
-               $this->assertTrue( is_object( $res ), 'query failed' );
-
-               $row = $res->fetchObject();
-               $res->free();
-               $record = $store->newRevisionFromArchiveRow( $row );
-
-               $this->assertRevisionRecordMatchesRevision( $orig, $record );
-               $this->assertSame( $text, $record->getContent( 'main' )->serialize() );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromArchiveRow
-        */
-       public function testNewRevisionFromArchiveRow_legacyEncoding() {
-               $this->setMwGlobals( 'wgLegacyEncoding', 'windows-1252' );
-               $this->overrideMwServices();
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $title = Title::newFromText( __METHOD__ );
-               $text = __METHOD__ . '-bä';
-               $page = WikiPage::factory( $title );
-               /** @var Revision $orig */
-               $orig = $page->doEditContent( new WikitextContent( $text ), __METHOD__ )
-                       ->value['revision'];
-               $page->doDeleteArticle( __METHOD__ );
-
-               $db = wfGetDB( DB_MASTER );
-               $arQuery = $store->getArchiveQueryInfo();
-               $res = $db->select(
-                       $arQuery['tables'], $arQuery['fields'], [ 'ar_rev_id' => $orig->getId() ],
-                       __METHOD__, [], $arQuery['joins']
-               );
-               $this->assertTrue( is_object( $res ), 'query failed' );
-
-               $row = $res->fetchObject();
-               $res->free();
-               $record = $store->newRevisionFromArchiveRow( $row );
-
-               $this->assertRevisionRecordMatchesRevision( $orig, $record );
-               $this->assertSame( $text, $record->getContent( 'main' )->serialize() );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::loadRevisionFromId
-        */
-       public function testLoadRevisionFromId() {
-               $title = Title::newFromText( __METHOD__ );
-               $page = WikiPage::factory( $title );
-               /** @var Revision $rev */
-               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
-                       ->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $result = $store->loadRevisionFromId( wfGetDB( DB_MASTER ), $rev->getId() );
-               $this->assertRevisionRecordMatchesRevision( $rev, $result );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::loadRevisionFromPageId
-        */
-       public function testLoadRevisionFromPageId() {
-               $title = Title::newFromText( __METHOD__ );
-               $page = WikiPage::factory( $title );
-               /** @var Revision $rev */
-               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
-                       ->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $result = $store->loadRevisionFromPageId( wfGetDB( DB_MASTER ), $page->getId() );
-               $this->assertRevisionRecordMatchesRevision( $rev, $result );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::loadRevisionFromTitle
-        */
-       public function testLoadRevisionFromTitle() {
-               $title = Title::newFromText( __METHOD__ );
-               $page = WikiPage::factory( $title );
-               /** @var Revision $rev */
-               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
-                       ->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $result = $store->loadRevisionFromTitle( wfGetDB( DB_MASTER ), $title );
-               $this->assertRevisionRecordMatchesRevision( $rev, $result );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::loadRevisionFromTimestamp
-        */
-       public function testLoadRevisionFromTimestamp() {
-               $title = Title::newFromText( __METHOD__ );
-               $page = WikiPage::factory( $title );
-               /** @var Revision $revOne */
-               $revOne = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
-                       ->value['revision'];
-               // Sleep to ensure different timestamps... )(evil)
-               sleep( 1 );
-               /** @var Revision $revTwo */
-               $revTwo = $page->doEditContent( new WikitextContent( __METHOD__ . 'a' ), '' )
-                       ->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $this->assertNull(
-                       $store->loadRevisionFromTimestamp( wfGetDB( DB_MASTER ), $title, '20150101010101' )
-               );
-               $this->assertSame(
-                       $revOne->getId(),
-                       $store->loadRevisionFromTimestamp(
-                               wfGetDB( DB_MASTER ),
-                               $title,
-                               $revOne->getTimestamp()
-                       )->getId()
-               );
-               $this->assertSame(
-                       $revTwo->getId(),
-                       $store->loadRevisionFromTimestamp(
-                               wfGetDB( DB_MASTER ),
-                               $title,
-                               $revTwo->getTimestamp()
-                       )->getId()
-               );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::listRevisionSizes
-        */
-       public function testGetParentLengths() {
-               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
-               /** @var Revision $revOne */
-               $revOne = $page->doEditContent(
-                       new WikitextContent( __METHOD__ ), __METHOD__
-               )->value['revision'];
-               /** @var Revision $revTwo */
-               $revTwo = $page->doEditContent(
-                       new WikitextContent( __METHOD__ . '2' ), __METHOD__
-               )->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $this->assertSame(
-                       [
-                               $revOne->getId() => strlen( __METHOD__ ),
-                       ],
-                       $store->listRevisionSizes(
-                               wfGetDB( DB_MASTER ),
-                               [ $revOne->getId() ]
-                       )
-               );
-               $this->assertSame(
-                       [
-                               $revOne->getId() => strlen( __METHOD__ ),
-                               $revTwo->getId() => strlen( __METHOD__ ) + 1,
-                       ],
-                       $store->listRevisionSizes(
-                               wfGetDB( DB_MASTER ),
-                               [ $revOne->getId(), $revTwo->getId() ]
-                       )
-               );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getPreviousRevision
-        */
-       public function testGetPreviousRevision() {
-               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
-               /** @var Revision $revOne */
-               $revOne = $page->doEditContent(
-                       new WikitextContent( __METHOD__ ), __METHOD__
-               )->value['revision'];
-               /** @var Revision $revTwo */
-               $revTwo = $page->doEditContent(
-                       new WikitextContent( __METHOD__ . '2' ), __METHOD__
-               )->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $this->assertNull(
-                       $store->getPreviousRevision( $store->getRevisionById( $revOne->getId() ) )
-               );
-               $this->assertSame(
-                       $revOne->getId(),
-                       $store->getPreviousRevision( $store->getRevisionById( $revTwo->getId() ) )->getId()
-               );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getNextRevision
-        */
-       public function testGetNextRevision() {
-               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
-               /** @var Revision $revOne */
-               $revOne = $page->doEditContent(
-                       new WikitextContent( __METHOD__ ), __METHOD__
-               )->value['revision'];
-               /** @var Revision $revTwo */
-               $revTwo = $page->doEditContent(
-                       new WikitextContent( __METHOD__ . '2' ), __METHOD__
-               )->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $this->assertSame(
-                       $revTwo->getId(),
-                       $store->getNextRevision( $store->getRevisionById( $revOne->getId() ) )->getId()
-               );
-               $this->assertNull(
-                       $store->getNextRevision( $store->getRevisionById( $revTwo->getId() ) )
-               );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getTimestampFromId
-        */
-       public function testGetTimestampFromId_found() {
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               /** @var Revision $rev */
-               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
-                       ->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $result = $store->getTimestampFromId(
-                       $page->getTitle(),
-                       $rev->getId()
-               );
-
-               $this->assertSame( $rev->getTimestamp(), $result );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getTimestampFromId
-        */
-       public function testGetTimestampFromId_notFound() {
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               /** @var Revision $rev */
-               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
-                       ->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $result = $store->getTimestampFromId(
-                       $page->getTitle(),
-                       $rev->getId() + 1
-               );
-
-               $this->assertFalse( $result );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::countRevisionsByPageId
-        */
-       public function testCountRevisionsByPageId() {
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
-
-               $this->assertSame(
-                       0,
-                       $store->countRevisionsByPageId( wfGetDB( DB_MASTER ), $page->getId() )
-               );
-               $page->doEditContent( new WikitextContent( 'a' ), 'a' );
-               $this->assertSame(
-                       1,
-                       $store->countRevisionsByPageId( wfGetDB( DB_MASTER ), $page->getId() )
-               );
-               $page->doEditContent( new WikitextContent( 'b' ), 'b' );
-               $this->assertSame(
-                       2,
-                       $store->countRevisionsByPageId( wfGetDB( DB_MASTER ), $page->getId() )
-               );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::countRevisionsByTitle
-        */
-       public function testCountRevisionsByTitle() {
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
-
-               $this->assertSame(
-                       0,
-                       $store->countRevisionsByTitle( wfGetDB( DB_MASTER ), $page->getTitle() )
-               );
-               $page->doEditContent( new WikitextContent( 'a' ), 'a' );
-               $this->assertSame(
-                       1,
-                       $store->countRevisionsByTitle( wfGetDB( DB_MASTER ), $page->getTitle() )
-               );
-               $page->doEditContent( new WikitextContent( 'b' ), 'b' );
-               $this->assertSame(
-                       2,
-                       $store->countRevisionsByTitle( wfGetDB( DB_MASTER ), $page->getTitle() )
-               );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::userWasLastToEdit
-        */
-       public function testUserWasLastToEdit_false() {
-               $sysop = $this->getTestSysop()->getUser();
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $result = $store->userWasLastToEdit(
-                       wfGetDB( DB_MASTER ),
-                       $page->getId(),
-                       $sysop->getId(),
-                       '20160101010101'
-               );
-               $this->assertFalse( $result );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::userWasLastToEdit
-        */
-       public function testUserWasLastToEdit_true() {
-               $startTime = wfTimestampNow();
-               $sysop = $this->getTestSysop()->getUser();
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               $page->doEditContent(
-                       new WikitextContent( __METHOD__ ),
-                       __METHOD__,
-                       0,
-                       false,
-                       $sysop
-               );
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $result = $store->userWasLastToEdit(
-                       wfGetDB( DB_MASTER ),
-                       $page->getId(),
-                       $sysop->getId(),
-                       $startTime
-               );
-               $this->assertTrue( $result );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getKnownCurrentRevision
-        */
-       public function testGetKnownCurrentRevision() {
-               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
-               /** @var Revision $rev */
-               $rev = $page->doEditContent(
-                       new WikitextContent( __METHOD__ . 'b' ),
-                       __METHOD__ . 'b',
-                       0,
-                       false,
-                       $this->getTestUser()->getUser()
-               )->value['revision'];
-
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-               $record = $store->getKnownCurrentRevision(
-                       $page->getTitle(),
-                       $rev->getId()
-               );
-
-               $this->assertRevisionRecordMatchesRevision( $rev, $record );
-       }
-
-       public function provideNewMutableRevisionFromArray() {
-               yield 'Basic array, with page & id' => [
-                       [
-                               'id' => 2,
-                               'page' => 1,
-                               'text_id' => 2,
-                               'timestamp' => '20171017114835',
-                               'user_text' => '111.0.1.2',
-                               'user' => 0,
-                               'minor_edit' => false,
-                               'deleted' => 0,
-                               'len' => 46,
-                               'parent_id' => 1,
-                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
-                               'comment' => 'Goat Comment!',
-                               'content_format' => 'text/x-wiki',
-                               'content_model' => 'wikitext',
-                       ]
-               ];
-               yield 'Basic array, content object' => [
-                       [
-                               'id' => 2,
-                               'page' => 1,
-                               'timestamp' => '20171017114835',
-                               'user_text' => '111.0.1.2',
-                               'user' => 0,
-                               'minor_edit' => false,
-                               'deleted' => 0,
-                               'len' => 46,
-                               'parent_id' => 1,
-                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
-                               'comment' => 'Goat Comment!',
-                               'content' => new WikitextContent( 'Some Content' ),
-                       ]
-               ];
-               yield 'Basic array, serialized text' => [
-                       [
-                               'id' => 2,
-                               'page' => 1,
-                               'timestamp' => '20171017114835',
-                               'user_text' => '111.0.1.2',
-                               'user' => 0,
-                               'minor_edit' => false,
-                               'deleted' => 0,
-                               'len' => 46,
-                               'parent_id' => 1,
-                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
-                               'comment' => 'Goat Comment!',
-                               'text' => ( new WikitextContent( 'Söme Content' ) )->serialize(),
-                       ]
-               ];
-               yield 'Basic array, serialized text, utf-8 flags' => [
-                       [
-                               'id' => 2,
-                               'page' => 1,
-                               'timestamp' => '20171017114835',
-                               'user_text' => '111.0.1.2',
-                               'user' => 0,
-                               'minor_edit' => false,
-                               'deleted' => 0,
-                               'len' => 46,
-                               'parent_id' => 1,
-                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
-                               'comment' => 'Goat Comment!',
-                               'text' => ( new WikitextContent( 'Söme Content' ) )->serialize(),
-                               'flags' => 'utf-8',
-                       ]
-               ];
-               yield 'Basic array, with title' => [
-                       [
-                               'title' => Title::newFromText( 'SomeText' ),
-                               'text_id' => 2,
-                               'timestamp' => '20171017114835',
-                               'user_text' => '111.0.1.2',
-                               'user' => 0,
-                               'minor_edit' => false,
-                               'deleted' => 0,
-                               'len' => 46,
-                               'parent_id' => 1,
-                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
-                               'comment' => 'Goat Comment!',
-                               'content_format' => 'text/x-wiki',
-                               'content_model' => 'wikitext',
-                       ]
-               ];
-               yield 'Basic array, no user field' => [
-                       [
-                               'id' => 2,
-                               'page' => 1,
-                               'text_id' => 2,
-                               'timestamp' => '20171017114835',
-                               'user_text' => '111.0.1.3',
-                               'minor_edit' => false,
-                               'deleted' => 0,
-                               'len' => 46,
-                               'parent_id' => 1,
-                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
-                               'comment' => 'Goat Comment!',
-                               'content_format' => 'text/x-wiki',
-                               'content_model' => 'wikitext',
-                       ]
-               ];
-       }
-
-       /**
-        * @dataProvider provideNewMutableRevisionFromArray
-        * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
-        */
-       public function testNewMutableRevisionFromArray( array $array ) {
-               $store = MediaWikiServices::getInstance()->getRevisionStore();
-
-               $result = $store->newMutableRevisionFromArray( $array );
-
-               if ( isset( $array['id'] ) ) {
-                       $this->assertSame( $array['id'], $result->getId() );
-               }
-               if ( isset( $array['page'] ) ) {
-                       $this->assertSame( $array['page'], $result->getPageId() );
-               }
-               $this->assertSame( $array['timestamp'], $result->getTimestamp() );
-               $this->assertSame( $array['user_text'], $result->getUser()->getName() );
-               if ( isset( $array['user'] ) ) {
-                       $this->assertSame( $array['user'], $result->getUser()->getId() );
-               }
-               $this->assertSame( (bool)$array['minor_edit'], $result->isMinor() );
-               $this->assertSame( $array['deleted'], $result->getVisibility() );
-               $this->assertSame( $array['len'], $result->getSize() );
-               $this->assertSame( $array['parent_id'], $result->getParentId() );
-               $this->assertSame( $array['sha1'], $result->getSha1() );
-               $this->assertSame( $array['comment'], $result->getComment()->text );
-               if ( isset( $array['content'] ) ) {
-                       $this->assertTrue(
-                               $result->getSlot( 'main' )->getContent()->equals( $array['content'] )
-                       );
-               } elseif ( isset( $array['text'] ) ) {
-                       $this->assertSame( $array['text'], $result->getSlot( 'main' )->getContent()->serialize() );
-               } else {
-                       $this->assertSame(
-                               $array['content_format'],
-                               $result->getSlot( 'main' )->getContent()->getDefaultFormat()
-                       );
-                       $this->assertSame( $array['content_model'], $result->getSlot( 'main' )->getModel() );
-               }
-       }
-
-       /**
-        * @dataProvider provideNewMutableRevisionFromArray
-        * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
-        */
-       public function testNewMutableRevisionFromArray_legacyEncoding( array $array ) {
-               $cache = new WANObjectCache( [ 'cache' => new HashBagOStuff() ] );
-               $lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
-               $blobStore = new SqlBlobStore( $lb, $cache );
-               $blobStore->setLegacyEncoding( 'windows-1252', Language::factory( 'en' ) );
-
-               $factory = $this->getMockBuilder( BlobStoreFactory::class )
-                       ->setMethods( [ 'newBlobStore', 'newSqlBlobStore' ] )
-                       ->disableOriginalConstructor()
-                       ->getMock();
-               $factory->expects( $this->any() )
-                       ->method( 'newBlobStore' )
-                       ->willReturn( $blobStore );
-               $factory->expects( $this->any() )
-                       ->method( 'newSqlBlobStore' )
-                       ->willReturn( $blobStore );
-
-               $this->setService( 'BlobStoreFactory', $factory );
-
-               $this->testNewMutableRevisionFromArray( $array );
-       }
-
-}
diff --git a/tests/phpunit/includes/Storage/RevisionStoreDbTestBase.php b/tests/phpunit/includes/Storage/RevisionStoreDbTestBase.php
new file mode 100644 (file)
index 0000000..bdff4cd
--- /dev/null
@@ -0,0 +1,1500 @@
+<?php
+
+namespace MediaWiki\Tests\Storage;
+
+use CommentStoreComment;
+use Exception;
+use HashBagOStuff;
+use InvalidArgumentException;
+use Language;
+use MediaWiki\Linker\LinkTarget;
+use MediaWiki\MediaWikiServices;
+use MediaWiki\Storage\BlobStoreFactory;
+use MediaWiki\Storage\IncompleteRevisionException;
+use MediaWiki\Storage\MutableRevisionRecord;
+use MediaWiki\Storage\RevisionRecord;
+use MediaWiki\Storage\RevisionStore;
+use MediaWiki\Storage\SlotRecord;
+use MediaWiki\Storage\SqlBlobStore;
+use MediaWikiTestCase;
+use PHPUnit_Framework_MockObject_MockObject;
+use Revision;
+use TestUserRegistry;
+use Title;
+use WANObjectCache;
+use Wikimedia\Rdbms\Database;
+use Wikimedia\Rdbms\DatabaseSqlite;
+use Wikimedia\Rdbms\FakeResultWrapper;
+use Wikimedia\Rdbms\LoadBalancer;
+use Wikimedia\Rdbms\TransactionProfiler;
+use WikiPage;
+use WikitextContent;
+
+/**
+ * @group Database
+ * @group RevisionStore
+ */
+abstract class RevisionStoreDbTestBase extends MediaWikiTestCase {
+
+       /**
+        * @return int
+        */
+       abstract protected function getMcrMigrationStage();
+
+       /**
+        * @return bool
+        */
+       protected function getContentHandlerUseDB() {
+               return true;
+       }
+
+       /**
+        * @return string[]
+        */
+       abstract protected function getMcrTablesToReset();
+
+       public function needsDB() {
+               return true;
+       }
+
+       public function setUp() {
+               parent::setUp();
+               $this->tablesUsed[] = 'archive';
+               $this->tablesUsed[] = 'page';
+               $this->tablesUsed[] = 'revision';
+               $this->tablesUsed[] = 'comment';
+
+               $this->tablesUsed += $this->getMcrTablesToReset();
+
+               $this->setMwGlobals(
+                       'wgMultiContentRevisionSchemaMigrationStage',
+                       $this->getMcrMigrationStage()
+               );
+
+               $this->setMwGlobals(
+                       'wgContentHandlerUseDB',
+                       $this->getContentHandlerUseDB()
+               );
+
+               $this->overrideMwServices();
+       }
+
+       /**
+        * @return LoadBalancer|PHPUnit_Framework_MockObject_MockObject
+        */
+       private function getLoadBalancerMock( array $server ) {
+               $lb = $this->getMockBuilder( LoadBalancer::class )
+                       ->setMethods( [ 'reallyOpenConnection' ] )
+                       ->setConstructorArgs( [ [ 'servers' => [ $server ] ] ] )
+                       ->getMock();
+
+               $lb->method( 'reallyOpenConnection' )->willReturnCallback(
+                       function ( array $server, $dbNameOverride ) {
+                               return $this->getDatabaseMock( $server );
+                       }
+               );
+
+               return $lb;
+       }
+
+       /**
+        * @return Database|PHPUnit_Framework_MockObject_MockObject
+        */
+       private function getDatabaseMock( array $params ) {
+               $db = $this->getMockBuilder( DatabaseSqlite::class )
+                       ->setMethods( [ 'select', 'doQuery', 'open', 'closeConnection', 'isOpen' ] )
+                       ->setConstructorArgs( [ $params ] )
+                       ->getMock();
+
+               $db->method( 'select' )->willReturn( new FakeResultWrapper( [] ) );
+               $db->method( 'isOpen' )->willReturn( true );
+
+               return $db;
+       }
+
+       public function provideDomainCheck() {
+               yield [ false, 'test', '' ];
+               yield [ 'test', 'test', '' ];
+
+               yield [ false, 'test', 'foo_' ];
+               yield [ 'test-foo_', 'test', 'foo_' ];
+
+               yield [ false, 'dash-test', '' ];
+               yield [ 'dash-test', 'dash-test', '' ];
+
+               yield [ false, 'underscore_test', 'foo_' ];
+               yield [ 'underscore_test-foo_', 'underscore_test', 'foo_' ];
+       }
+
+       /**
+        * @dataProvider provideDomainCheck
+        * @covers \MediaWiki\Storage\RevisionStore::checkDatabaseWikiId
+        */
+       public function testDomainCheck( $wikiId, $dbName, $dbPrefix ) {
+               $this->setMwGlobals(
+                       [
+                               'wgDBname' => $dbName,
+                               'wgDBprefix' => $dbPrefix,
+                       ]
+               );
+
+               $loadBalancer = $this->getLoadBalancerMock(
+                       [
+                               'host' => '*dummy*',
+                               'dbDirectory' => '*dummy*',
+                               'user' => 'test',
+                               'password' => 'test',
+                               'flags' => 0,
+                               'variables' => [],
+                               'schema' => '',
+                               'cliMode' => true,
+                               'agent' => '',
+                               'load' => 100,
+                               'profiler' => null,
+                               'trxProfiler' => new TransactionProfiler(),
+                               'connLogger' => new \Psr\Log\NullLogger(),
+                               'queryLogger' => new \Psr\Log\NullLogger(),
+                               'errorLogger' => function () {
+                               },
+                               'deprecationLogger' => function () {
+                               },
+                               'type' => 'test',
+                               'dbname' => $dbName,
+                               'tablePrefix' => $dbPrefix,
+                       ]
+               );
+               $db = $loadBalancer->getConnection( DB_REPLICA );
+
+               /** @var SqlBlobStore $blobStore */
+               $blobStore = $this->getMockBuilder( SqlBlobStore::class )
+                       ->disableOriginalConstructor()
+                       ->getMock();
+
+               $store = new RevisionStore(
+                       $loadBalancer,
+                       $blobStore,
+                       new WANObjectCache( [ 'cache' => new HashBagOStuff() ] ),
+                       MediaWikiServices::getInstance()->getCommentStore(),
+                       MediaWikiServices::getInstance()->getActorMigration(),
+                       $wikiId
+               );
+
+               $count = $store->countRevisionsByPageId( $db, 0 );
+
+               // Dummy check to make PhpUnit happy. We are really only interested in
+               // countRevisionsByPageId not failing due to the DB domain check.
+               $this->assertSame( 0, $count );
+       }
+
+       private function assertLinkTargetsEqual( LinkTarget $l1, LinkTarget $l2 ) {
+               $this->assertEquals( $l1->getDBkey(), $l2->getDBkey() );
+               $this->assertEquals( $l1->getNamespace(), $l2->getNamespace() );
+               $this->assertEquals( $l1->getFragment(), $l2->getFragment() );
+               $this->assertEquals( $l1->getInterwiki(), $l2->getInterwiki() );
+       }
+
+       private function assertRevisionRecordsEqual( RevisionRecord $r1, RevisionRecord $r2 ) {
+               $this->assertEquals( $r1->getUser()->getName(), $r2->getUser()->getName() );
+               $this->assertEquals( $r1->getUser()->getId(), $r2->getUser()->getId() );
+               $this->assertEquals( $r1->getComment(), $r2->getComment() );
+               $this->assertEquals( $r1->getPageAsLinkTarget(), $r2->getPageAsLinkTarget() );
+               $this->assertEquals( $r1->getTimestamp(), $r2->getTimestamp() );
+               $this->assertEquals( $r1->getVisibility(), $r2->getVisibility() );
+               $this->assertEquals( $r1->getSha1(), $r2->getSha1() );
+               $this->assertEquals( $r1->getParentId(), $r2->getParentId() );
+               $this->assertEquals( $r1->getSize(), $r2->getSize() );
+               $this->assertEquals( $r1->getPageId(), $r2->getPageId() );
+               $this->assertEquals( $r1->getSlotRoles(), $r2->getSlotRoles() );
+               $this->assertEquals( $r1->getWikiId(), $r2->getWikiId() );
+               $this->assertEquals( $r1->isMinor(), $r2->isMinor() );
+               foreach ( $r1->getSlotRoles() as $role ) {
+                       $this->assertSlotRecordsEqual( $r1->getSlot( $role ), $r2->getSlot( $role ) );
+                       $this->assertTrue( $r1->getContent( $role )->equals( $r2->getContent( $role ) ) );
+               }
+               foreach ( [
+                       RevisionRecord::DELETED_TEXT,
+                       RevisionRecord::DELETED_COMMENT,
+                       RevisionRecord::DELETED_USER,
+                       RevisionRecord::DELETED_RESTRICTED,
+               ] as $field ) {
+                       $this->assertEquals( $r1->isDeleted( $field ), $r2->isDeleted( $field ) );
+               }
+       }
+
+       private function assertSlotRecordsEqual( SlotRecord $s1, SlotRecord $s2 ) {
+               $this->assertSame( $s1->getRole(), $s2->getRole() );
+               $this->assertSame( $s1->getModel(), $s2->getModel() );
+               $this->assertSame( $s1->getFormat(), $s2->getFormat() );
+               $this->assertSame( $s1->getSha1(), $s2->getSha1() );
+               $this->assertSame( $s1->getSize(), $s2->getSize() );
+               $this->assertTrue( $s1->getContent()->equals( $s2->getContent() ) );
+
+               $s1->hasRevision() ? $this->assertSame( $s1->getRevision(), $s2->getRevision() ) : null;
+               $s1->hasAddress() ? $this->assertSame( $s1->hasAddress(), $s2->hasAddress() ) : null;
+       }
+
+       private function assertRevisionCompleteness( RevisionRecord $r ) {
+               foreach ( $r->getSlotRoles() as $role ) {
+                       $this->assertSlotCompleteness( $r, $r->getSlot( $role ) );
+               }
+       }
+
+       private function assertSlotCompleteness( RevisionRecord $r, SlotRecord $slot ) {
+               $this->assertTrue( $slot->hasAddress() );
+               $this->assertSame( $r->getId(), $slot->getRevision() );
+       }
+
+       /**
+        * @param mixed[] $details
+        *
+        * @return RevisionRecord
+        */
+       private function getRevisionRecordFromDetailsArray( $title, $details = [] ) {
+               // Convert some values that can't be provided by dataProviders
+               $page = WikiPage::factory( $title );
+               if ( isset( $details['user'] ) && $details['user'] === true ) {
+                       $details['user'] = $this->getTestUser()->getUser();
+               }
+               if ( isset( $details['page'] ) && $details['page'] === true ) {
+                       $details['page'] = $page->getId();
+               }
+               if ( isset( $details['parent'] ) && $details['parent'] === true ) {
+                       $details['parent'] = $page->getLatest();
+               }
+
+               // Create the RevisionRecord with any available data
+               $rev = new MutableRevisionRecord( $title );
+               isset( $details['slot'] ) ? $rev->setSlot( $details['slot'] ) : null;
+               isset( $details['parent'] ) ? $rev->setParentId( $details['parent'] ) : null;
+               isset( $details['page'] ) ? $rev->setPageId( $details['page'] ) : null;
+               isset( $details['size'] ) ? $rev->setSize( $details['size'] ) : null;
+               isset( $details['sha1'] ) ? $rev->setSha1( $details['sha1'] ) : null;
+               isset( $details['comment'] ) ? $rev->setComment( $details['comment'] ) : null;
+               isset( $details['timestamp'] ) ? $rev->setTimestamp( $details['timestamp'] ) : null;
+               isset( $details['minor'] ) ? $rev->setMinorEdit( $details['minor'] ) : null;
+               isset( $details['user'] ) ? $rev->setUser( $details['user'] ) : null;
+               isset( $details['visibility'] ) ? $rev->setVisibility( $details['visibility'] ) : null;
+               isset( $details['id'] ) ? $rev->setId( $details['id'] ) : null;
+
+               return $rev;
+       }
+
+       public function provideInsertRevisionOn_successes() {
+               yield 'Bare minimum revision insertion' => [
+                       Title::newFromText( 'UTPage' ),
+                       [
+                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
+                               'parent' => true,
+                               'comment' => $this->getRandomCommentStoreComment(),
+                               'timestamp' => '20171117010101',
+                               'user' => true,
+                       ],
+               ];
+               yield 'Detailed revision insertion' => [
+                       Title::newFromText( 'UTPage' ),
+                       [
+                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
+                               'parent' => true,
+                               'page' => true,
+                               'comment' => $this->getRandomCommentStoreComment(),
+                               'timestamp' => '20171117010101',
+                               'user' => true,
+                               'minor' => true,
+                               'visibility' => RevisionRecord::DELETED_RESTRICTED,
+                       ],
+               ];
+       }
+
+       private function getRandomCommentStoreComment() {
+               return CommentStoreComment::newUnsavedComment( __METHOD__ . '.' . rand( 0, 1000 ) );
+       }
+
+       /**
+        * @dataProvider provideInsertRevisionOn_successes
+        * @covers \MediaWiki\Storage\RevisionStore::insertRevisionOn
+        */
+       public function testInsertRevisionOn_successes(
+               Title $title,
+               array $revDetails = []
+       ) {
+               $rev = $this->getRevisionRecordFromDetailsArray( $title, $revDetails );
+
+               $this->overrideMwServices();
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $return = $store->insertRevisionOn( $rev, wfGetDB( DB_MASTER ) );
+
+               $this->assertLinkTargetsEqual( $title, $return->getPageAsLinkTarget() );
+               $this->assertRevisionRecordsEqual( $rev, $return );
+               $this->assertRevisionCompleteness( $return );
+               $this->assertRevisionExistsInDatabase( $return );
+       }
+
+       protected function assertRevisionExistsInDatabase( RevisionRecord $rev ) {
+               $this->assertSelect(
+                       'revision', [ 'count(*)' ], [ 'rev_id' => $rev->getId() ], [ [ '1' ] ]
+               );
+       }
+
+       /**
+        * @param SlotRecord $a
+        * @param SlotRecord $b
+        */
+       protected function assertSameSlotContent( SlotRecord $a, SlotRecord $b ) {
+               // Assert that the same blob address has been used.
+               $this->assertSame( $a->getAddress(), $b->getAddress() );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::insertRevisionOn
+        */
+       public function testInsertRevisionOn_blobAddressExists() {
+               $title = Title::newFromText( 'UTPage' );
+               $revDetails = [
+                       'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
+                       'parent' => true,
+                       'comment' => $this->getRandomCommentStoreComment(),
+                       'timestamp' => '20171117010101',
+                       'user' => true,
+               ];
+
+               $this->overrideMwServices();
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+
+               // Insert the first revision
+               $revOne = $this->getRevisionRecordFromDetailsArray( $title, $revDetails );
+               $firstReturn = $store->insertRevisionOn( $revOne, wfGetDB( DB_MASTER ) );
+               $this->assertLinkTargetsEqual( $title, $firstReturn->getPageAsLinkTarget() );
+               $this->assertRevisionRecordsEqual( $revOne, $firstReturn );
+
+               // Insert a second revision inheriting the same blob address
+               $revDetails['slot'] = SlotRecord::newInherited( $firstReturn->getSlot( 'main' ) );
+               $revTwo = $this->getRevisionRecordFromDetailsArray( $title, $revDetails );
+               $secondReturn = $store->insertRevisionOn( $revTwo, wfGetDB( DB_MASTER ) );
+               $this->assertLinkTargetsEqual( $title, $secondReturn->getPageAsLinkTarget() );
+               $this->assertRevisionRecordsEqual( $revTwo, $secondReturn );
+
+               $firstMainSlot = $firstReturn->getSlot( 'main' );
+               $secondMainSlot = $secondReturn->getSlot( 'main' );
+
+               $this->assertSameSlotContent( $firstMainSlot, $secondMainSlot );
+
+               // And that different revisions have been created.
+               $this->assertNotSame( $firstReturn->getId(), $secondReturn->getId() );
+
+               // Make sure the slot rows reference the correct revision
+               $this->assertSame( $firstReturn->getId(), $firstMainSlot->getRevision() );
+               $this->assertSame( $secondReturn->getId(), $secondMainSlot->getRevision() );
+       }
+
+       public function provideInsertRevisionOn_failures() {
+               yield 'no slot' => [
+                       Title::newFromText( 'UTPage' ),
+                       [
+                               'comment' => $this->getRandomCommentStoreComment(),
+                               'timestamp' => '20171117010101',
+                               'user' => true,
+                       ],
+                       new InvalidArgumentException( 'At least one slot needs to be defined!' )
+               ];
+               yield 'slot that is not main slot' => [
+                       Title::newFromText( 'UTPage' ),
+                       [
+                               'slot' => SlotRecord::newUnsaved( 'lalala', new WikitextContent( 'Chicken' ) ),
+                               'comment' => $this->getRandomCommentStoreComment(),
+                               'timestamp' => '20171117010101',
+                               'user' => true,
+                       ],
+                       new InvalidArgumentException( 'Only the main slot is supported for now!' )
+               ];
+               yield 'no timestamp' => [
+                       Title::newFromText( 'UTPage' ),
+                       [
+                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
+                               'comment' => $this->getRandomCommentStoreComment(),
+                               'user' => true,
+                       ],
+                       new IncompleteRevisionException( 'timestamp field must not be NULL!' )
+               ];
+               yield 'no comment' => [
+                       Title::newFromText( 'UTPage' ),
+                       [
+                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
+                               'timestamp' => '20171117010101',
+                               'user' => true,
+                       ],
+                       new IncompleteRevisionException( 'comment must not be NULL!' )
+               ];
+               yield 'no user' => [
+                       Title::newFromText( 'UTPage' ),
+                       [
+                               'slot' => SlotRecord::newUnsaved( 'main', new WikitextContent( 'Chicken' ) ),
+                               'comment' => $this->getRandomCommentStoreComment(),
+                               'timestamp' => '20171117010101',
+                       ],
+                       new IncompleteRevisionException( 'user must not be NULL!' )
+               ];
+       }
+
+       /**
+        * @dataProvider provideInsertRevisionOn_failures
+        * @covers \MediaWiki\Storage\RevisionStore::insertRevisionOn
+        */
+       public function testInsertRevisionOn_failures(
+               Title $title,
+               array $revDetails = [],
+               Exception $exception
+       ) {
+               $rev = $this->getRevisionRecordFromDetailsArray( $title, $revDetails );
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+
+               $this->setExpectedException(
+                       get_class( $exception ),
+                       $exception->getMessage(),
+                       $exception->getCode()
+               );
+               $store->insertRevisionOn( $rev, wfGetDB( DB_MASTER ) );
+       }
+
+       public function provideNewNullRevision() {
+               yield [
+                       Title::newFromText( 'UTPage_notAutoCreated' ),
+                       CommentStoreComment::newUnsavedComment( __METHOD__ . ' comment1' ),
+                       true,
+               ];
+               yield [
+                       Title::newFromText( 'UTPage_notAutoCreated' ),
+                       CommentStoreComment::newUnsavedComment( __METHOD__ . ' comment2', [ 'a' => 1 ] ),
+                       false,
+               ];
+       }
+
+       /**
+        * @dataProvider provideNewNullRevision
+        * @covers \MediaWiki\Storage\RevisionStore::newNullRevision
+        */
+       public function testNewNullRevision( Title $title, $comment, $minor ) {
+               $this->overrideMwServices();
+
+               $page = WikiPage::factory( $title );
+               $status = $page->doEditContent(
+                       new WikitextContent( __METHOD__ ),
+                       __METHOD__,
+                       0,
+                       false
+               );
+               /** @var Revision $rev */
+               $rev = $status->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $user = TestUserRegistry::getMutableTestUser( __METHOD__ )->getUser();
+
+               $parent = $store->getRevisionById( $rev->getId() );
+               $record = $store->newNullRevision(
+                       wfGetDB( DB_MASTER ),
+                       $title,
+                       $comment,
+                       $minor,
+                       $user
+               );
+
+               $this->assertEquals( $title->getNamespace(), $record->getPageAsLinkTarget()->getNamespace() );
+               $this->assertEquals( $title->getDBkey(), $record->getPageAsLinkTarget()->getDBkey() );
+               $this->assertEquals( $comment, $record->getComment() );
+               $this->assertEquals( $minor, $record->isMinor() );
+               $this->assertEquals( $user->getName(), $record->getUser()->getName() );
+               $this->assertEquals( $parent->getId(), $record->getParentId() );
+
+               $parentSlot = $parent->getSlot( 'main' );
+               $slot = $record->getSlot( 'main' );
+
+               $this->assertTrue( $slot->isInherited(), 'isInherited' );
+               $this->assertSame( $parentSlot->getOrigin(), $slot->getOrigin(), 'getOrigin' );
+               $this->assertSameSlotContent( $parentSlot, $slot );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::newNullRevision
+        */
+       public function testNewNullRevision_nonExistingTitle() {
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $record = $store->newNullRevision(
+                       wfGetDB( DB_MASTER ),
+                       Title::newFromText( __METHOD__ . '.iDontExist!' ),
+                       CommentStoreComment::newUnsavedComment( __METHOD__ . ' comment' ),
+                       false,
+                       TestUserRegistry::getMutableTestUser( __METHOD__ )->getUser()
+               );
+               $this->assertNull( $record );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getRcIdIfUnpatrolled
+        */
+       public function testGetRcIdIfUnpatrolled_returnsRecentChangesId() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $status = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
+               /** @var Revision $rev */
+               $rev = $status->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $revisionRecord = $store->getRevisionById( $rev->getId() );
+               $result = $store->getRcIdIfUnpatrolled( $revisionRecord );
+
+               $this->assertGreaterThan( 0, $result );
+               $this->assertSame(
+                       $page->getRevision()->getRecentChange()->getAttribute( 'rc_id' ),
+                       $result
+               );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getRcIdIfUnpatrolled
+        */
+       public function testGetRcIdIfUnpatrolled_returnsZeroIfPatrolled() {
+               // This assumes that sysops are auto patrolled
+               $sysop = $this->getTestSysop()->getUser();
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $status = $page->doEditContent(
+                       new WikitextContent( __METHOD__ ),
+                       __METHOD__,
+                       0,
+                       false,
+                       $sysop
+               );
+               /** @var Revision $rev */
+               $rev = $status->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $revisionRecord = $store->getRevisionById( $rev->getId() );
+               $result = $store->getRcIdIfUnpatrolled( $revisionRecord );
+
+               $this->assertSame( 0, $result );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getRecentChange
+        */
+       public function testGetRecentChange() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $content = new WikitextContent( __METHOD__ );
+               $status = $page->doEditContent( $content, __METHOD__ );
+               /** @var Revision $rev */
+               $rev = $status->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $revRecord = $store->getRevisionById( $rev->getId() );
+               $recentChange = $store->getRecentChange( $revRecord );
+
+               $this->assertEquals( $rev->getId(), $recentChange->getAttribute( 'rc_this_oldid' ) );
+               $this->assertEquals( $rev->getRecentChange(), $recentChange );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getRevisionById
+        */
+       public function testGetRevisionById() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $content = new WikitextContent( __METHOD__ );
+               $status = $page->doEditContent( $content, __METHOD__ );
+               /** @var Revision $rev */
+               $rev = $status->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $revRecord = $store->getRevisionById( $rev->getId() );
+
+               $this->assertSame( $rev->getId(), $revRecord->getId() );
+               $this->assertTrue( $revRecord->getSlot( 'main' )->getContent()->equals( $content ) );
+               $this->assertSame( __METHOD__, $revRecord->getComment()->text );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getRevisionByTitle
+        */
+       public function testGetRevisionByTitle() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $content = new WikitextContent( __METHOD__ );
+               $status = $page->doEditContent( $content, __METHOD__ );
+               /** @var Revision $rev */
+               $rev = $status->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $revRecord = $store->getRevisionByTitle( $page->getTitle() );
+
+               $this->assertSame( $rev->getId(), $revRecord->getId() );
+               $this->assertTrue( $revRecord->getSlot( 'main' )->getContent()->equals( $content ) );
+               $this->assertSame( __METHOD__, $revRecord->getComment()->text );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getRevisionByPageId
+        */
+       public function testGetRevisionByPageId() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $content = new WikitextContent( __METHOD__ );
+               $status = $page->doEditContent( $content, __METHOD__ );
+               /** @var Revision $rev */
+               $rev = $status->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $revRecord = $store->getRevisionByPageId( $page->getId() );
+
+               $this->assertSame( $rev->getId(), $revRecord->getId() );
+               $this->assertTrue( $revRecord->getSlot( 'main' )->getContent()->equals( $content ) );
+               $this->assertSame( __METHOD__, $revRecord->getComment()->text );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getRevisionByTimestamp
+        */
+       public function testGetRevisionByTimestamp() {
+               // Make sure there is 1 second between the last revision and the rev we create...
+               // Otherwise we might not get the correct revision and the test may fail...
+               // :(
+               sleep( 1 );
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $content = new WikitextContent( __METHOD__ );
+               $status = $page->doEditContent( $content, __METHOD__ );
+               /** @var Revision $rev */
+               $rev = $status->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $revRecord = $store->getRevisionByTimestamp(
+                       $page->getTitle(),
+                       $rev->getTimestamp()
+               );
+
+               $this->assertSame( $rev->getId(), $revRecord->getId() );
+               $this->assertTrue( $revRecord->getSlot( 'main' )->getContent()->equals( $content ) );
+               $this->assertSame( __METHOD__, $revRecord->getComment()->text );
+       }
+
+       protected function revisionToRow( Revision $rev ) {
+               $page = WikiPage::factory( $rev->getTitle() );
+
+               return (object)[
+                       'rev_id' => (string)$rev->getId(),
+                       'rev_page' => (string)$rev->getPage(),
+                       'rev_text_id' => (string)$rev->getTextId(),
+                       'rev_timestamp' => $this->db->timestamp( $rev->getTimestamp() ),
+                       'rev_user_text' => (string)$rev->getUserText(),
+                       'rev_user' => (string)$rev->getUser(),
+                       'rev_minor_edit' => $rev->isMinor() ? '1' : '0',
+                       'rev_deleted' => (string)$rev->getVisibility(),
+                       'rev_len' => (string)$rev->getSize(),
+                       'rev_parent_id' => (string)$rev->getParentId(),
+                       'rev_sha1' => (string)$rev->getSha1(),
+                       'rev_comment_text' => $rev->getComment(),
+                       'rev_comment_data' => null,
+                       'rev_comment_cid' => null,
+                       'rev_content_format' => $rev->getContentFormat(),
+                       'rev_content_model' => $rev->getContentModel(),
+                       'page_namespace' => (string)$page->getTitle()->getNamespace(),
+                       'page_title' => $page->getTitle()->getDBkey(),
+                       'page_id' => (string)$page->getId(),
+                       'page_latest' => (string)$page->getLatest(),
+                       'page_is_redirect' => $page->isRedirect() ? '1' : '0',
+                       'page_len' => (string)$page->getContent()->getSize(),
+                       'user_name' => (string)$rev->getUserText(),
+               ];
+       }
+
+       private function assertRevisionRecordMatchesRevision(
+               Revision $rev,
+               RevisionRecord $record
+       ) {
+               $this->assertSame( $rev->getId(), $record->getId() );
+               $this->assertSame( $rev->getPage(), $record->getPageId() );
+               $this->assertSame( $rev->getTimestamp(), $record->getTimestamp() );
+               $this->assertSame( $rev->getUserText(), $record->getUser()->getName() );
+               $this->assertSame( $rev->getUser(), $record->getUser()->getId() );
+               $this->assertSame( $rev->isMinor(), $record->isMinor() );
+               $this->assertSame( $rev->getVisibility(), $record->getVisibility() );
+               $this->assertSame( $rev->getSize(), $record->getSize() );
+               /**
+                * @note As of MW 1.31, the database schema allows the parent ID to be
+                * NULL to indicate that it is unknown.
+                */
+               $expectedParent = $rev->getParentId();
+               if ( $expectedParent === null ) {
+                       $expectedParent = 0;
+               }
+               $this->assertSame( $expectedParent, $record->getParentId() );
+               $this->assertSame( $rev->getSha1(), $record->getSha1() );
+               $this->assertSame( $rev->getComment(), $record->getComment()->text );
+               $this->assertSame( $rev->getContentFormat(), $record->getContent( 'main' )->getDefaultFormat() );
+               $this->assertSame( $rev->getContentModel(), $record->getContent( 'main' )->getModel() );
+               $this->assertLinkTargetsEqual( $rev->getTitle(), $record->getPageAsLinkTarget() );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow
+        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow_1_29
+        */
+       public function testNewRevisionFromRow_anonEdit() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $text = __METHOD__ . 'a-ä';
+               /** @var Revision $rev */
+               $rev = $page->doEditContent(
+                       new WikitextContent( $text ),
+                       __METHOD__ . 'a'
+               )->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $record = $store->newRevisionFromRow(
+                       $this->revisionToRow( $rev ),
+                       [],
+                       $page->getTitle()
+               );
+               $this->assertRevisionRecordMatchesRevision( $rev, $record );
+               $this->assertSame( $text, $rev->getContent()->serialize() );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow
+        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow_1_29
+        */
+       public function testNewRevisionFromRow_anonEdit_legacyEncoding() {
+               $this->setMwGlobals( 'wgLegacyEncoding', 'windows-1252' );
+               $this->overrideMwServices();
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $text = __METHOD__ . 'a-ä';
+               /** @var Revision $rev */
+               $rev = $page->doEditContent(
+                       new WikitextContent( $text ),
+                       __METHOD__. 'a'
+               )->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $record = $store->newRevisionFromRow(
+                       $this->revisionToRow( $rev ),
+                       [],
+                       $page->getTitle()
+               );
+               $this->assertRevisionRecordMatchesRevision( $rev, $record );
+               $this->assertSame( $text, $rev->getContent()->serialize() );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow
+        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromRow_1_29
+        */
+       public function testNewRevisionFromRow_userEdit() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $text = __METHOD__ . 'b-ä';
+               /** @var Revision $rev */
+               $rev = $page->doEditContent(
+                       new WikitextContent( $text ),
+                       __METHOD__ . 'b',
+                       0,
+                       false,
+                       $this->getTestUser()->getUser()
+               )->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $record = $store->newRevisionFromRow(
+                       $this->revisionToRow( $rev ),
+                       [],
+                       $page->getTitle()
+               );
+               $this->assertRevisionRecordMatchesRevision( $rev, $record );
+               $this->assertSame( $text, $rev->getContent()->serialize() );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromArchiveRow
+        */
+       public function testNewRevisionFromArchiveRow() {
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $title = Title::newFromText( __METHOD__ );
+               $text = __METHOD__ . '-bä';
+               $page = WikiPage::factory( $title );
+               /** @var Revision $orig */
+               $orig = $page->doEditContent( new WikitextContent( $text ), __METHOD__ )
+                       ->value['revision'];
+               $page->doDeleteArticle( __METHOD__ );
+
+               $db = wfGetDB( DB_MASTER );
+               $arQuery = $store->getArchiveQueryInfo();
+               $res = $db->select(
+                       $arQuery['tables'], $arQuery['fields'], [ 'ar_rev_id' => $orig->getId() ],
+                       __METHOD__, [], $arQuery['joins']
+               );
+               $this->assertTrue( is_object( $res ), 'query failed' );
+
+               $row = $res->fetchObject();
+               $res->free();
+               $record = $store->newRevisionFromArchiveRow( $row );
+
+               $this->assertRevisionRecordMatchesRevision( $orig, $record );
+               $this->assertSame( $text, $record->getContent( 'main' )->serialize() );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::newRevisionFromArchiveRow
+        */
+       public function testNewRevisionFromArchiveRow_legacyEncoding() {
+               $this->setMwGlobals( 'wgLegacyEncoding', 'windows-1252' );
+               $this->overrideMwServices();
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $title = Title::newFromText( __METHOD__ );
+               $text = __METHOD__ . '-bä';
+               $page = WikiPage::factory( $title );
+               /** @var Revision $orig */
+               $orig = $page->doEditContent( new WikitextContent( $text ), __METHOD__ )
+                       ->value['revision'];
+               $page->doDeleteArticle( __METHOD__ );
+
+               $db = wfGetDB( DB_MASTER );
+               $arQuery = $store->getArchiveQueryInfo();
+               $res = $db->select(
+                       $arQuery['tables'], $arQuery['fields'], [ 'ar_rev_id' => $orig->getId() ],
+                       __METHOD__, [], $arQuery['joins']
+               );
+               $this->assertTrue( is_object( $res ), 'query failed' );
+
+               $row = $res->fetchObject();
+               $res->free();
+               $record = $store->newRevisionFromArchiveRow( $row );
+
+               $this->assertRevisionRecordMatchesRevision( $orig, $record );
+               $this->assertSame( $text, $record->getContent( 'main' )->serialize() );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::loadRevisionFromId
+        */
+       public function testLoadRevisionFromId() {
+               $title = Title::newFromText( __METHOD__ );
+               $page = WikiPage::factory( $title );
+               /** @var Revision $rev */
+               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
+                       ->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $result = $store->loadRevisionFromId( wfGetDB( DB_MASTER ), $rev->getId() );
+               $this->assertRevisionRecordMatchesRevision( $rev, $result );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::loadRevisionFromPageId
+        */
+       public function testLoadRevisionFromPageId() {
+               $title = Title::newFromText( __METHOD__ );
+               $page = WikiPage::factory( $title );
+               /** @var Revision $rev */
+               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
+                       ->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $result = $store->loadRevisionFromPageId( wfGetDB( DB_MASTER ), $page->getId() );
+               $this->assertRevisionRecordMatchesRevision( $rev, $result );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::loadRevisionFromTitle
+        */
+       public function testLoadRevisionFromTitle() {
+               $title = Title::newFromText( __METHOD__ );
+               $page = WikiPage::factory( $title );
+               /** @var Revision $rev */
+               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
+                       ->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $result = $store->loadRevisionFromTitle( wfGetDB( DB_MASTER ), $title );
+               $this->assertRevisionRecordMatchesRevision( $rev, $result );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::loadRevisionFromTimestamp
+        */
+       public function testLoadRevisionFromTimestamp() {
+               $title = Title::newFromText( __METHOD__ );
+               $page = WikiPage::factory( $title );
+               /** @var Revision $revOne */
+               $revOne = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
+                       ->value['revision'];
+               // Sleep to ensure different timestamps... )(evil)
+               sleep( 1 );
+               /** @var Revision $revTwo */
+               $revTwo = $page->doEditContent( new WikitextContent( __METHOD__ . 'a' ), '' )
+                       ->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $this->assertNull(
+                       $store->loadRevisionFromTimestamp( wfGetDB( DB_MASTER ), $title, '20150101010101' )
+               );
+               $this->assertSame(
+                       $revOne->getId(),
+                       $store->loadRevisionFromTimestamp(
+                               wfGetDB( DB_MASTER ),
+                               $title,
+                               $revOne->getTimestamp()
+                       )->getId()
+               );
+               $this->assertSame(
+                       $revTwo->getId(),
+                       $store->loadRevisionFromTimestamp(
+                               wfGetDB( DB_MASTER ),
+                               $title,
+                               $revTwo->getTimestamp()
+                       )->getId()
+               );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::listRevisionSizes
+        */
+       public function testGetParentLengths() {
+               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
+               /** @var Revision $revOne */
+               $revOne = $page->doEditContent(
+                       new WikitextContent( __METHOD__ ), __METHOD__
+               )->value['revision'];
+               /** @var Revision $revTwo */
+               $revTwo = $page->doEditContent(
+                       new WikitextContent( __METHOD__ . '2' ), __METHOD__
+               )->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $this->assertSame(
+                       [
+                               $revOne->getId() => strlen( __METHOD__ ),
+                       ],
+                       $store->listRevisionSizes(
+                               wfGetDB( DB_MASTER ),
+                               [ $revOne->getId() ]
+                       )
+               );
+               $this->assertSame(
+                       [
+                               $revOne->getId() => strlen( __METHOD__ ),
+                               $revTwo->getId() => strlen( __METHOD__ ) + 1,
+                       ],
+                       $store->listRevisionSizes(
+                               wfGetDB( DB_MASTER ),
+                               [ $revOne->getId(), $revTwo->getId() ]
+                       )
+               );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getPreviousRevision
+        */
+       public function testGetPreviousRevision() {
+               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
+               /** @var Revision $revOne */
+               $revOne = $page->doEditContent(
+                       new WikitextContent( __METHOD__ ), __METHOD__
+               )->value['revision'];
+               /** @var Revision $revTwo */
+               $revTwo = $page->doEditContent(
+                       new WikitextContent( __METHOD__ . '2' ), __METHOD__
+               )->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $this->assertNull(
+                       $store->getPreviousRevision( $store->getRevisionById( $revOne->getId() ) )
+               );
+               $this->assertSame(
+                       $revOne->getId(),
+                       $store->getPreviousRevision( $store->getRevisionById( $revTwo->getId() ) )->getId()
+               );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getNextRevision
+        */
+       public function testGetNextRevision() {
+               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
+               /** @var Revision $revOne */
+               $revOne = $page->doEditContent(
+                       new WikitextContent( __METHOD__ ), __METHOD__
+               )->value['revision'];
+               /** @var Revision $revTwo */
+               $revTwo = $page->doEditContent(
+                       new WikitextContent( __METHOD__ . '2' ), __METHOD__
+               )->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $this->assertSame(
+                       $revTwo->getId(),
+                       $store->getNextRevision( $store->getRevisionById( $revOne->getId() ) )->getId()
+               );
+               $this->assertNull(
+                       $store->getNextRevision( $store->getRevisionById( $revTwo->getId() ) )
+               );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getTimestampFromId
+        */
+       public function testGetTimestampFromId_found() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               /** @var Revision $rev */
+               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
+                       ->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $result = $store->getTimestampFromId(
+                       $page->getTitle(),
+                       $rev->getId()
+               );
+
+               $this->assertSame( $rev->getTimestamp(), $result );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getTimestampFromId
+        */
+       public function testGetTimestampFromId_notFound() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               /** @var Revision $rev */
+               $rev = $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ )
+                       ->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $result = $store->getTimestampFromId(
+                       $page->getTitle(),
+                       $rev->getId() + 1
+               );
+
+               $this->assertFalse( $result );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::countRevisionsByPageId
+        */
+       public function testCountRevisionsByPageId() {
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
+
+               $this->assertSame(
+                       0,
+                       $store->countRevisionsByPageId( wfGetDB( DB_MASTER ), $page->getId() )
+               );
+               $page->doEditContent( new WikitextContent( 'a' ), 'a' );
+               $this->assertSame(
+                       1,
+                       $store->countRevisionsByPageId( wfGetDB( DB_MASTER ), $page->getId() )
+               );
+               $page->doEditContent( new WikitextContent( 'b' ), 'b' );
+               $this->assertSame(
+                       2,
+                       $store->countRevisionsByPageId( wfGetDB( DB_MASTER ), $page->getId() )
+               );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::countRevisionsByTitle
+        */
+       public function testCountRevisionsByTitle() {
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $page = WikiPage::factory( Title::newFromText( __METHOD__ ) );
+
+               $this->assertSame(
+                       0,
+                       $store->countRevisionsByTitle( wfGetDB( DB_MASTER ), $page->getTitle() )
+               );
+               $page->doEditContent( new WikitextContent( 'a' ), 'a' );
+               $this->assertSame(
+                       1,
+                       $store->countRevisionsByTitle( wfGetDB( DB_MASTER ), $page->getTitle() )
+               );
+               $page->doEditContent( new WikitextContent( 'b' ), 'b' );
+               $this->assertSame(
+                       2,
+                       $store->countRevisionsByTitle( wfGetDB( DB_MASTER ), $page->getTitle() )
+               );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::userWasLastToEdit
+        */
+       public function testUserWasLastToEdit_false() {
+               $sysop = $this->getTestSysop()->getUser();
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $page->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $result = $store->userWasLastToEdit(
+                       wfGetDB( DB_MASTER ),
+                       $page->getId(),
+                       $sysop->getId(),
+                       '20160101010101'
+               );
+               $this->assertFalse( $result );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::userWasLastToEdit
+        */
+       public function testUserWasLastToEdit_true() {
+               $startTime = wfTimestampNow();
+               $sysop = $this->getTestSysop()->getUser();
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               $page->doEditContent(
+                       new WikitextContent( __METHOD__ ),
+                       __METHOD__,
+                       0,
+                       false,
+                       $sysop
+               );
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $result = $store->userWasLastToEdit(
+                       wfGetDB( DB_MASTER ),
+                       $page->getId(),
+                       $sysop->getId(),
+                       $startTime
+               );
+               $this->assertTrue( $result );
+       }
+
+       /**
+        * @covers \MediaWiki\Storage\RevisionStore::getKnownCurrentRevision
+        */
+       public function testGetKnownCurrentRevision() {
+               $page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
+               /** @var Revision $rev */
+               $rev = $page->doEditContent(
+                       new WikitextContent( __METHOD__ . 'b' ),
+                       __METHOD__ . 'b',
+                       0,
+                       false,
+                       $this->getTestUser()->getUser()
+               )->value['revision'];
+
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+               $record = $store->getKnownCurrentRevision(
+                       $page->getTitle(),
+                       $rev->getId()
+               );
+
+               $this->assertRevisionRecordMatchesRevision( $rev, $record );
+       }
+
+       public function provideNewMutableRevisionFromArray() {
+               yield 'Basic array, with page & id' => [
+                       [
+                               'id' => 2,
+                               'page' => 1,
+                               'text_id' => 2,
+                               'timestamp' => '20171017114835',
+                               'user_text' => '111.0.1.2',
+                               'user' => 0,
+                               'minor_edit' => false,
+                               'deleted' => 0,
+                               'len' => 46,
+                               'parent_id' => 1,
+                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
+                               'comment' => 'Goat Comment!',
+                               'content_format' => 'text/x-wiki',
+                               'content_model' => 'wikitext',
+                       ]
+               ];
+               yield 'Basic array, content object' => [
+                       [
+                               'id' => 2,
+                               'page' => 1,
+                               'timestamp' => '20171017114835',
+                               'user_text' => '111.0.1.2',
+                               'user' => 0,
+                               'minor_edit' => false,
+                               'deleted' => 0,
+                               'len' => 46,
+                               'parent_id' => 1,
+                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
+                               'comment' => 'Goat Comment!',
+                               'content' => new WikitextContent( 'Some Content' ),
+                       ]
+               ];
+               yield 'Basic array, serialized text' => [
+                       [
+                               'id' => 2,
+                               'page' => 1,
+                               'timestamp' => '20171017114835',
+                               'user_text' => '111.0.1.2',
+                               'user' => 0,
+                               'minor_edit' => false,
+                               'deleted' => 0,
+                               'len' => 46,
+                               'parent_id' => 1,
+                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
+                               'comment' => 'Goat Comment!',
+                               'text' => ( new WikitextContent( 'Söme Content' ) )->serialize(),
+                       ]
+               ];
+               yield 'Basic array, serialized text, utf-8 flags' => [
+                       [
+                               'id' => 2,
+                               'page' => 1,
+                               'timestamp' => '20171017114835',
+                               'user_text' => '111.0.1.2',
+                               'user' => 0,
+                               'minor_edit' => false,
+                               'deleted' => 0,
+                               'len' => 46,
+                               'parent_id' => 1,
+                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
+                               'comment' => 'Goat Comment!',
+                               'text' => ( new WikitextContent( 'Söme Content' ) )->serialize(),
+                               'flags' => 'utf-8',
+                       ]
+               ];
+               yield 'Basic array, with title' => [
+                       [
+                               'title' => Title::newFromText( 'SomeText' ),
+                               'text_id' => 2,
+                               'timestamp' => '20171017114835',
+                               'user_text' => '111.0.1.2',
+                               'user' => 0,
+                               'minor_edit' => false,
+                               'deleted' => 0,
+                               'len' => 46,
+                               'parent_id' => 1,
+                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
+                               'comment' => 'Goat Comment!',
+                               'content_format' => 'text/x-wiki',
+                               'content_model' => 'wikitext',
+                       ]
+               ];
+               yield 'Basic array, no user field' => [
+                       [
+                               'id' => 2,
+                               'page' => 1,
+                               'text_id' => 2,
+                               'timestamp' => '20171017114835',
+                               'user_text' => '111.0.1.3',
+                               'minor_edit' => false,
+                               'deleted' => 0,
+                               'len' => 46,
+                               'parent_id' => 1,
+                               'sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
+                               'comment' => 'Goat Comment!',
+                               'content_format' => 'text/x-wiki',
+                               'content_model' => 'wikitext',
+                       ]
+               ];
+       }
+
+       /**
+        * @dataProvider provideNewMutableRevisionFromArray
+        * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
+        */
+       public function testNewMutableRevisionFromArray( array $array ) {
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+
+               $result = $store->newMutableRevisionFromArray( $array );
+
+               if ( isset( $array['id'] ) ) {
+                       $this->assertSame( $array['id'], $result->getId() );
+               }
+               if ( isset( $array['page'] ) ) {
+                       $this->assertSame( $array['page'], $result->getPageId() );
+               }
+               $this->assertSame( $array['timestamp'], $result->getTimestamp() );
+               $this->assertSame( $array['user_text'], $result->getUser()->getName() );
+               if ( isset( $array['user'] ) ) {
+                       $this->assertSame( $array['user'], $result->getUser()->getId() );
+               }
+               $this->assertSame( (bool)$array['minor_edit'], $result->isMinor() );
+               $this->assertSame( $array['deleted'], $result->getVisibility() );
+               $this->assertSame( $array['len'], $result->getSize() );
+               $this->assertSame( $array['parent_id'], $result->getParentId() );
+               $this->assertSame( $array['sha1'], $result->getSha1() );
+               $this->assertSame( $array['comment'], $result->getComment()->text );
+               if ( isset( $array['content'] ) ) {
+                       $this->assertTrue(
+                               $result->getSlot( 'main' )->getContent()->equals( $array['content'] )
+                       );
+               } elseif ( isset( $array['text'] ) ) {
+                       $this->assertSame( $array['text'], $result->getSlot( 'main' )->getContent()->serialize() );
+               } else {
+                       $this->assertSame(
+                               $array['content_format'],
+                               $result->getSlot( 'main' )->getContent()->getDefaultFormat()
+                       );
+                       $this->assertSame( $array['content_model'], $result->getSlot( 'main' )->getModel() );
+               }
+       }
+
+       /**
+        * @dataProvider provideNewMutableRevisionFromArray
+        * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
+        */
+       public function testNewMutableRevisionFromArray_legacyEncoding( array $array ) {
+               $cache = new WANObjectCache( [ 'cache' => new HashBagOStuff() ] );
+               $lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
+               $blobStore = new SqlBlobStore( $lb, $cache );
+               $blobStore->setLegacyEncoding( 'windows-1252', Language::factory( 'en' ) );
+
+               $factory = $this->getMockBuilder( BlobStoreFactory::class )
+                       ->setMethods( [ 'newBlobStore', 'newSqlBlobStore' ] )
+                       ->disableOriginalConstructor()
+                       ->getMock();
+               $factory->expects( $this->any() )
+                       ->method( 'newBlobStore' )
+                       ->willReturn( $blobStore );
+               $factory->expects( $this->any() )
+                       ->method( 'newSqlBlobStore' )
+                       ->willReturn( $blobStore );
+
+               $this->setService( 'BlobStoreFactory', $factory );
+
+               $this->testNewMutableRevisionFromArray( $array );
+       }
+
+       protected function getDefaultQueryFields( $returnTextIdField = true ) {
+               $fields = [
+                       'rev_id',
+                       'rev_page',
+                       'rev_timestamp',
+                       'rev_minor_edit',
+                       'rev_deleted',
+                       'rev_len',
+                       'rev_parent_id',
+                       'rev_sha1',
+               ];
+               if ( $returnTextIdField ) {
+                       $fields[] = 'rev_text_id';
+               }
+               return $fields;
+       }
+
+       protected function getCommentQueryFields() {
+               return [
+                       'rev_comment_text' => 'rev_comment',
+                       'rev_comment_data' => 'NULL',
+                       'rev_comment_cid' => 'NULL',
+               ];
+       }
+
+       protected function getActorQueryFields() {
+               return [
+                       'rev_user' => 'rev_user',
+                       'rev_user_text' => 'rev_user_text',
+                       'rev_actor' => 'NULL',
+               ];
+       }
+
+       protected function getContentHandlerQueryFields() {
+               return [
+                       'rev_content_format',
+                       'rev_content_model',
+               ];
+       }
+
+       abstract public function provideGetQueryInfo();
+
+       /**
+        * @dataProvider provideGetQueryInfo
+        * @covers \MediaWiki\Storage\RevisionStore::getQueryInfo
+        */
+       public function testGetQueryInfo( $options, $expected ) {
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+
+               $queryInfo = $store->getQueryInfo( $options );
+
+               $this->assertArrayEqualsIgnoringIntKeyOrder(
+                       $expected['tables'],
+                       $queryInfo['tables']
+               );
+               $this->assertArrayEqualsIgnoringIntKeyOrder(
+                       $expected['fields'],
+                       $queryInfo['fields']
+               );
+               $this->assertArrayEqualsIgnoringIntKeyOrder(
+                       $expected['joins'],
+                       $queryInfo['joins']
+               );
+       }
+
+       protected function getDefaultArchiveFields( $returnTextFields = true ) {
+               $fields = [
+                       'ar_id',
+                       'ar_page_id',
+                       'ar_namespace',
+                       'ar_title',
+                       'ar_rev_id',
+                       'ar_timestamp',
+                       'ar_minor_edit',
+                       'ar_deleted',
+                       'ar_len',
+                       'ar_parent_id',
+                       'ar_sha1',
+               ];
+               if ( $returnTextFields ) {
+                       $fields[] = 'ar_text_id';
+               }
+               return $fields;
+       }
+
+       abstract public function provideGetArchiveQueryInfo();
+
+       /**
+        * @dataProvider provideGetArchiveQueryInfo
+        * @covers \MediaWiki\Storage\RevisionStore::getArchiveQueryInfo
+        */
+       public function testGetArchiveQueryInfo( $expected ) {
+               $store = MediaWikiServices::getInstance()->getRevisionStore();
+
+               $archiveQueryInfo = $store->getArchiveQueryInfo();
+
+               $this->assertArrayEqualsIgnoringIntKeyOrder(
+                       $expected['tables'],
+                       $archiveQueryInfo['tables']
+               );
+
+               $this->assertArrayEqualsIgnoringIntKeyOrder(
+                       $expected['fields'],
+                       $archiveQueryInfo['fields']
+               );
+
+               $this->assertArrayEqualsIgnoringIntKeyOrder(
+                       $expected['joins'],
+                       $archiveQueryInfo['joins']
+               );
+       }
+
+       /**
+        * Assert that the two arrays passed are equal, ignoring the order of the values that integer
+        * keys.
+        *
+        * Note: Failures of this assertion can be slightly confusing as the arrays are actually
+        * split into a string key array and an int key array before assertions occur.
+        *
+        * @param array $expected
+        * @param array $actual
+        */
+       private function assertArrayEqualsIgnoringIntKeyOrder( array $expected, array $actual ) {
+               $this->objectAssociativeSort( $expected );
+               $this->objectAssociativeSort( $actual );
+
+               // Separate the int key values from the string key values so that assertion failures are
+               // easier to understand.
+               $expectedIntKeyValues = [];
+               $actualIntKeyValues = [];
+
+               // Remove all int keys and re add them at the end after sorting by value
+               // This will result in all int keys being in the same order with same ints at the end of
+               // the array
+               foreach ( $expected as $key => $value ) {
+                       if ( is_int( $key ) ) {
+                               unset( $expected[$key] );
+                               $expectedIntKeyValues[] = $value;
+                       }
+               }
+               foreach ( $actual as $key => $value ) {
+                       if ( is_int( $key ) ) {
+                               unset( $actual[$key] );
+                               $actualIntKeyValues[] = $value;
+                       }
+               }
+
+               $this->assertArrayEquals( $expected, $actual, false, true );
+               $this->assertArrayEquals( $expectedIntKeyValues, $actualIntKeyValues, false, true );
+       }
+
+}
index fed9a0c..3749f29 100644 (file)
@@ -247,87 +247,6 @@ class RevisionStoreTest extends MediaWikiTestCase {
                $this->assertEquals( $expected, $store->getQueryInfo( $options ) );
        }
 
-       private function getDefaultArchiveFields() {
-               return [
-                       'ar_id',
-                       'ar_page_id',
-                       'ar_namespace',
-                       'ar_title',
-                       'ar_rev_id',
-                       'ar_text_id',
-                       'ar_timestamp',
-                       'ar_minor_edit',
-                       'ar_deleted',
-                       'ar_len',
-                       'ar_parent_id',
-                       'ar_sha1',
-               ];
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getArchiveQueryInfo
-        */
-       public function testGetArchiveQueryInfo_contentHandlerDb() {
-               $this->setMwGlobals( 'wgCommentTableSchemaMigrationStage', MIGRATION_OLD );
-               $this->setMwGlobals( 'wgActorTableSchemaMigrationStage', MIGRATION_OLD );
-               $this->overrideMwServices();
-               $store = $this->getRevisionStore();
-               $store->setContentHandlerUseDB( true );
-               $this->assertEquals(
-                       [
-                               'tables' => [
-                                       'archive'
-                               ],
-                               'fields' => array_merge(
-                                       $this->getDefaultArchiveFields(),
-                                       [
-                                               'ar_comment_text' => 'ar_comment',
-                                               'ar_comment_data' => 'NULL',
-                                               'ar_comment_cid' => 'NULL',
-                                               'ar_user_text' => 'ar_user_text',
-                                               'ar_user' => 'ar_user',
-                                               'ar_actor' => 'NULL',
-                                               'ar_content_format',
-                                               'ar_content_model',
-                                       ]
-                               ),
-                               'joins' => [],
-                       ],
-                       $store->getArchiveQueryInfo()
-               );
-       }
-
-       /**
-        * @covers \MediaWiki\Storage\RevisionStore::getArchiveQueryInfo
-        */
-       public function testGetArchiveQueryInfo_noContentHandlerDb() {
-               $this->setMwGlobals( 'wgCommentTableSchemaMigrationStage', MIGRATION_OLD );
-               $this->setMwGlobals( 'wgActorTableSchemaMigrationStage', MIGRATION_OLD );
-               $this->overrideMwServices();
-               $store = $this->getRevisionStore();
-               $store->setContentHandlerUseDB( false );
-               $this->assertEquals(
-                       [
-                               'tables' => [
-                                       'archive'
-                               ],
-                               'fields' => array_merge(
-                                       $this->getDefaultArchiveFields(),
-                                       [
-                                               'ar_comment_text' => 'ar_comment',
-                                               'ar_comment_data' => 'NULL',
-                                               'ar_comment_cid' => 'NULL',
-                                               'ar_user_text' => 'ar_user_text',
-                                               'ar_user' => 'ar_user',
-                                               'ar_actor' => 'NULL',
-                                       ]
-                               ),
-                               'joins' => [],
-                       ],
-                       $store->getArchiveQueryInfo()
-               );
-       }
-
        public function testGetTitle_successFromPageId() {
                $mockLoadBalancer = $this->getMockLoadBalancer();
                // Title calls wfGetDB() so we have to set the main service
diff --git a/tests/phpunit/includes/Storage/create-pre-mcr-fields.sql b/tests/phpunit/includes/Storage/create-pre-mcr-fields.sql
new file mode 100644 (file)
index 0000000..09deb4f
--- /dev/null
@@ -0,0 +1,3 @@
+ALTER TABLE /*_*/revision ADD rev_text_id INTEGER DEFAULT 0;
+ALTER TABLE /*_*/revision  ADD rev_content_model VARBINARY(32) DEFAULT NULL;
+ALTER TABLE /*_*/revision ADD rev_content_format VARBINARY(64) DEFAULT NULL;
diff --git a/tests/phpunit/includes/Storage/drop-mcr-tables.sql b/tests/phpunit/includes/Storage/drop-mcr-tables.sql
new file mode 100644 (file)
index 0000000..bc89edc
--- /dev/null
@@ -0,0 +1,4 @@
+DROP TABLE /*_*/slots;
+DROP TABLE /*_*/content;
+DROP TABLE /*_*/content_models;
+DROP TABLE /*_*/slot_roles;
diff --git a/tests/phpunit/includes/page/WikiPageContentHandlerDbTest.php b/tests/phpunit/includes/page/WikiPageContentHandlerDbTest.php
deleted file mode 100644 (file)
index 2d7d6cc..0000000
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-
-/**
- * @group ContentHandler
- * @group Database
- * @group medium
- */
-class WikiPageContentHandlerDbTest extends WikiPageDbTestBase {
-
-       protected function getContentHandlerUseDB() {
-               return true;
-       }
-
-       /**
-        * @covers WikiPage::getContentModel
-        */
-       public function testGetContentModel() {
-               $page = $this->createPage(
-                       __METHOD__,
-                       "some text",
-                       CONTENT_MODEL_JAVASCRIPT
-               );
-
-               $page = new WikiPage( $page->getTitle() );
-               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $page->getContentModel() );
-       }
-
-       /**
-        * @covers WikiPage::getContentHandler
-        */
-       public function testGetContentHandler() {
-               $page = $this->createPage(
-                       __METHOD__,
-                       "some text",
-                       CONTENT_MODEL_JAVASCRIPT
-               );
-
-               $page = new WikiPage( $page->getTitle() );
-               $this->assertEquals( JavaScriptContentHandler::class, get_class( $page->getContentHandler() ) );
-       }
-
-}
index 68539b5..cc20b6b 100644 (file)
@@ -30,10 +30,29 @@ abstract class WikiPageDbTestBase extends MediaWikiLangTestCase {
                                'iwlinks' ] );
        }
 
+       /**
+        * @return int
+        */
+       abstract protected function getMcrMigrationStage();
+
+       /**
+        * @return string[]
+        */
+       abstract protected function getMcrTablesToReset();
+
        protected function setUp() {
                parent::setUp();
+
+               $this->tablesUsed += $this->getMcrTablesToReset();
+
                $this->setMwGlobals( 'wgContentHandlerUseDB', $this->getContentHandlerUseDB() );
+               $this->setMwGlobals(
+                       'wgMultiContentRevisionSchemaMigrationStage',
+                       $this->getMcrMigrationStage()
+               );
                $this->pagesToDelete = [];
+
+               $this->overrideMwServices();
        }
 
        protected function tearDown() {
diff --git a/tests/phpunit/includes/page/WikiPageNoContentHandlerDbTest.php b/tests/phpunit/includes/page/WikiPageNoContentHandlerDbTest.php
deleted file mode 100644 (file)
index a6ce185..0000000
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-/**
- * @group ContentHandler
- * @group Database
- * @group medium
- */
-class WikiPageNoContentHandlerDbTest extends WikiPageDbTestBase {
-
-       protected function getContentHandlerUseDB() {
-               return false;
-       }
-
-}
diff --git a/tests/phpunit/includes/page/WikiPageNoContentModelDbTest.php b/tests/phpunit/includes/page/WikiPageNoContentModelDbTest.php
new file mode 100644 (file)
index 0000000..7c9c657
--- /dev/null
@@ -0,0 +1,23 @@
+<?php
+use MediaWiki\Tests\Storage\PreMcrSchemaOverride;
+
+/**
+ * Tests WikiPage against the pre-MCR, pre ContentHandler DB schema.
+ *
+ * @covers WikiPage
+ *
+ * @group WikiPage
+ * @group Storage
+ * @group ContentHandler
+ * @group Database
+ * @group medium
+ */
+class WikiPageNoContentModelDbTest extends WikiPageDbTestBase {
+
+       use PreMcrSchemaOverride;
+
+       protected function getContentHandlerUseDB() {
+               return false;
+       }
+
+}
diff --git a/tests/phpunit/includes/page/WikiPagePreMcrDbTest.php b/tests/phpunit/includes/page/WikiPagePreMcrDbTest.php
new file mode 100644 (file)
index 0000000..3e7c8fa
--- /dev/null
@@ -0,0 +1,51 @@
+<?php
+use MediaWiki\Tests\Storage\PreMcrSchemaOverride;
+
+/**
+ * Tests WikiPage against the pre-MCR DB schema.
+ *
+ * @covers WikiPage
+ *
+ * @group WikiPage
+ * @group Storage
+ * @group ContentHandler
+ * @group Database
+ * @group medium
+ */
+class WikiPagePreMcrDbTest extends WikiPageDbTestBase {
+
+       use PreMcrSchemaOverride;
+
+       protected function getContentHandlerUseDB() {
+               return true;
+       }
+
+       /**
+        * @covers WikiPage::getContentModel
+        */
+       public function testGetContentModel() {
+               $page = $this->createPage(
+                       __METHOD__,
+                       "some text",
+                       CONTENT_MODEL_JAVASCRIPT
+               );
+
+               $page = new WikiPage( $page->getTitle() );
+               $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $page->getContentModel() );
+       }
+
+       /**
+        * @covers WikiPage::getContentHandler
+        */
+       public function testGetContentHandler() {
+               $page = $this->createPage(
+                       __METHOD__,
+                       "some text",
+                       CONTENT_MODEL_JAVASCRIPT
+               );
+
+               $page = new WikiPage( $page->getTitle() );
+               $this->assertEquals( JavaScriptContentHandler::class, get_class( $page->getContentHandler() ) );
+       }
+
+}