Merge "Parse wikitext in gallery caption"
[lhc/web/wiklou.git] / tests / phpunit / includes / ActorMigrationTest.php
index c938750..b761d29 100644 (file)
@@ -27,6 +27,53 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                return new ActorMigration( $stage );
        }
 
+       /**
+        * @dataProvider provideConstructor
+        * @param int $stage
+        * @param string|null $exceptionMsg
+        */
+       public function testConstructor( $stage, $exceptionMsg ) {
+               try {
+                       $m = new ActorMigration( $stage );
+                       if ( $exceptionMsg !== null ) {
+                               $this->fail( 'Expected exception not thrown' );
+                       }
+                       $this->assertInstanceOf( ActorMigration::class, $m );
+               } catch ( InvalidArgumentException $ex ) {
+                       $this->assertSame( $exceptionMsg, $ex->getMessage() );
+               }
+       }
+
+       public static function provideConstructor() {
+               return [
+                       [ 0, '$stage must include a write mode' ],
+                       [ SCHEMA_COMPAT_READ_OLD, '$stage must include a write mode' ],
+                       [ SCHEMA_COMPAT_READ_NEW, '$stage must include a write mode' ],
+                       [ SCHEMA_COMPAT_READ_BOTH, '$stage must include a write mode' ],
+
+                       [ SCHEMA_COMPAT_WRITE_OLD, '$stage must include a read mode' ],
+                       [ SCHEMA_COMPAT_WRITE_OLD | SCHEMA_COMPAT_READ_OLD, null ],
+                       [
+                               SCHEMA_COMPAT_WRITE_OLD | SCHEMA_COMPAT_READ_NEW,
+                               'Cannot read the new schema without also writing it'
+                       ],
+                       [ SCHEMA_COMPAT_WRITE_OLD | SCHEMA_COMPAT_READ_BOTH, 'Cannot read both schemas' ],
+
+                       [ SCHEMA_COMPAT_WRITE_NEW, '$stage must include a read mode' ],
+                       [
+                               SCHEMA_COMPAT_WRITE_NEW | SCHEMA_COMPAT_READ_OLD,
+                               'Cannot read the old schema without also writing it'
+                       ],
+                       [ SCHEMA_COMPAT_WRITE_NEW | SCHEMA_COMPAT_READ_NEW, null ],
+                       [ SCHEMA_COMPAT_WRITE_NEW | SCHEMA_COMPAT_READ_BOTH, 'Cannot read both schemas' ],
+
+                       [ SCHEMA_COMPAT_WRITE_BOTH, '$stage must include a read mode' ],
+                       [ SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, null ],
+                       [ SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, null ],
+                       [ SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_BOTH, 'Cannot read both schemas' ],
+               ];
+       }
+
        /**
         * @dataProvider provideGetJoin
         * @param int $stage
@@ -42,7 +89,7 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
        public static function provideGetJoin() {
                return [
                        'Simple table, old' => [
-                               MIGRATION_OLD, 'rc_user', [
+                               SCHEMA_COMPAT_OLD, 'rc_user', [
                                        'tables' => [],
                                        'fields' => [
                                                'rc_user' => 'rc_user',
@@ -52,34 +99,32 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                                        'joins' => [],
                                ],
                        ],
-                       'Simple table, write-both' => [
-                               MIGRATION_WRITE_BOTH, 'rc_user', [
-                                       'tables' => [ 'actor_rc_user' => 'actor' ],
+                       'Simple table, read-old' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, 'rc_user', [
+                                       'tables' => [],
                                        'fields' => [
-                                               'rc_user' => 'COALESCE( actor_rc_user.actor_user, rc_user )',
-                                               'rc_user_text' => 'COALESCE( actor_rc_user.actor_name, rc_user_text )',
-                                               'rc_actor' => 'rc_actor',
-                                       ],
-                                       'joins' => [
-                                               'actor_rc_user' => [ 'LEFT JOIN', 'actor_rc_user.actor_id = rc_actor' ],
+                                               'rc_user' => 'rc_user',
+                                               'rc_user_text' => 'rc_user_text',
+                                               'rc_actor' => 'NULL',
                                        ],
+                                       'joins' => [],
                                ],
                        ],
-                       'Simple table, write-new' => [
-                               MIGRATION_WRITE_NEW, 'rc_user', [
+                       'Simple table, read-new' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, 'rc_user', [
                                        'tables' => [ 'actor_rc_user' => 'actor' ],
                                        'fields' => [
-                                               'rc_user' => 'COALESCE( actor_rc_user.actor_user, rc_user )',
-                                               'rc_user_text' => 'COALESCE( actor_rc_user.actor_name, rc_user_text )',
+                                               'rc_user' => 'actor_rc_user.actor_user',
+                                               'rc_user_text' => 'actor_rc_user.actor_name',
                                                'rc_actor' => 'rc_actor',
                                        ],
                                        'joins' => [
-                                               'actor_rc_user' => [ 'LEFT JOIN', 'actor_rc_user.actor_id = rc_actor' ],
+                                               'actor_rc_user' => [ 'JOIN', 'actor_rc_user.actor_id = rc_actor' ],
                                        ],
                                ],
                        ],
                        'Simple table, new' => [
-                               MIGRATION_NEW, 'rc_user', [
+                               SCHEMA_COMPAT_NEW, 'rc_user', [
                                        'tables' => [ 'actor_rc_user' => 'actor' ],
                                        'fields' => [
                                                'rc_user' => 'actor_rc_user.actor_user',
@@ -93,7 +138,7 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                        ],
 
                        'ipblocks, old' => [
-                               MIGRATION_OLD, 'ipb_by', [
+                               SCHEMA_COMPAT_OLD, 'ipb_by', [
                                        'tables' => [],
                                        'fields' => [
                                                'ipb_by' => 'ipb_by',
@@ -103,34 +148,32 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                                        'joins' => [],
                                ],
                        ],
-                       'ipblocks, write-both' => [
-                               MIGRATION_WRITE_BOTH, 'ipb_by', [
-                                       'tables' => [ 'actor_ipb_by' => 'actor' ],
+                       'ipblocks, read-old' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, 'ipb_by', [
+                                       'tables' => [],
                                        'fields' => [
-                                               'ipb_by' => 'COALESCE( actor_ipb_by.actor_user, ipb_by )',
-                                               'ipb_by_text' => 'COALESCE( actor_ipb_by.actor_name, ipb_by_text )',
-                                               'ipb_by_actor' => 'ipb_by_actor',
-                                       ],
-                                       'joins' => [
-                                               'actor_ipb_by' => [ 'LEFT JOIN', 'actor_ipb_by.actor_id = ipb_by_actor' ],
+                                               'ipb_by' => 'ipb_by',
+                                               'ipb_by_text' => 'ipb_by_text',
+                                               'ipb_by_actor' => 'NULL',
                                        ],
+                                       'joins' => [],
                                ],
                        ],
-                       'ipblocks, write-new' => [
-                               MIGRATION_WRITE_NEW, 'ipb_by', [
+                       'ipblocks, read-new' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, 'ipb_by', [
                                        'tables' => [ 'actor_ipb_by' => 'actor' ],
                                        'fields' => [
-                                               'ipb_by' => 'COALESCE( actor_ipb_by.actor_user, ipb_by )',
-                                               'ipb_by_text' => 'COALESCE( actor_ipb_by.actor_name, ipb_by_text )',
+                                               'ipb_by' => 'actor_ipb_by.actor_user',
+                                               'ipb_by_text' => 'actor_ipb_by.actor_name',
                                                'ipb_by_actor' => 'ipb_by_actor',
                                        ],
                                        'joins' => [
-                                               'actor_ipb_by' => [ 'LEFT JOIN', 'actor_ipb_by.actor_id = ipb_by_actor' ],
+                                               'actor_ipb_by' => [ 'JOIN', 'actor_ipb_by.actor_id = ipb_by_actor' ],
                                        ],
                                ],
                        ],
                        'ipblocks, new' => [
-                               MIGRATION_NEW, 'ipb_by', [
+                               SCHEMA_COMPAT_NEW, 'ipb_by', [
                                        'tables' => [ 'actor_ipb_by' => 'actor' ],
                                        'fields' => [
                                                'ipb_by' => 'actor_ipb_by.actor_user',
@@ -144,7 +187,7 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                        ],
 
                        'Revision, old' => [
-                               MIGRATION_OLD, 'rev_user', [
+                               SCHEMA_COMPAT_OLD, 'rev_user', [
                                        'tables' => [],
                                        'fields' => [
                                                'rev_user' => 'rev_user',
@@ -154,42 +197,36 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                                        'joins' => [],
                                ],
                        ],
-                       'Revision, write-both' => [
-                               MIGRATION_WRITE_BOTH, 'rev_user', [
-                                       'tables' => [
-                                               'temp_rev_user' => 'revision_actor_temp',
-                                               'actor_rev_user' => 'actor',
-                                       ],
+                       'Revision, read-old' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, 'rev_user', [
+                                       'tables' => [],
                                        'fields' => [
-                                               'rev_user' => 'COALESCE( actor_rev_user.actor_user, rev_user )',
-                                               'rev_user_text' => 'COALESCE( actor_rev_user.actor_name, rev_user_text )',
-                                               'rev_actor' => 'temp_rev_user.revactor_actor',
-                                       ],
-                                       'joins' => [
-                                               'temp_rev_user' => [ 'LEFT JOIN', 'temp_rev_user.revactor_rev = rev_id' ],
-                                               'actor_rev_user' => [ 'LEFT JOIN', 'actor_rev_user.actor_id = temp_rev_user.revactor_actor' ],
+                                               'rev_user' => 'rev_user',
+                                               'rev_user_text' => 'rev_user_text',
+                                               'rev_actor' => 'NULL',
                                        ],
+                                       'joins' => [],
                                ],
                        ],
-                       'Revision, write-new' => [
-                               MIGRATION_WRITE_NEW, 'rev_user', [
+                       'Revision, read-new' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, 'rev_user', [
                                        'tables' => [
                                                'temp_rev_user' => 'revision_actor_temp',
                                                'actor_rev_user' => 'actor',
                                        ],
                                        'fields' => [
-                                               'rev_user' => 'COALESCE( actor_rev_user.actor_user, rev_user )',
-                                               'rev_user_text' => 'COALESCE( actor_rev_user.actor_name, rev_user_text )',
+                                               'rev_user' => 'actor_rev_user.actor_user',
+                                               'rev_user_text' => 'actor_rev_user.actor_name',
                                                'rev_actor' => 'temp_rev_user.revactor_actor',
                                        ],
                                        'joins' => [
-                                               'temp_rev_user' => [ 'LEFT JOIN', 'temp_rev_user.revactor_rev = rev_id' ],
-                                               'actor_rev_user' => [ 'LEFT JOIN', 'actor_rev_user.actor_id = temp_rev_user.revactor_actor' ],
+                                               'temp_rev_user' => [ 'JOIN', 'temp_rev_user.revactor_rev = rev_id' ],
+                                               'actor_rev_user' => [ 'JOIN', 'actor_rev_user.actor_id = temp_rev_user.revactor_actor' ],
                                        ],
                                ],
                        ],
                        'Revision, new' => [
-                               MIGRATION_NEW, 'rev_user', [
+                               SCHEMA_COMPAT_NEW, 'rev_user', [
                                        'tables' => [
                                                'temp_rev_user' => 'revision_actor_temp',
                                                'actor_rev_user' => 'actor',
@@ -248,34 +285,28 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
 
                return [
                        'Simple table, old' => [
-                               MIGRATION_OLD, 'rc_user', $genericUser, true, [
+                               SCHEMA_COMPAT_OLD, 'rc_user', $genericUser, true, [
                                        'tables' => [],
                                        'orconds' => [ 'userid' => "rc_user = '1'" ],
                                        'joins' => [],
                                ],
                        ],
-                       'Simple table, write-both' => [
-                               MIGRATION_WRITE_BOTH, 'rc_user', $genericUser, true, [
+                       'Simple table, read-old' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, 'rc_user', $genericUser, true, [
                                        'tables' => [],
-                                       'orconds' => [
-                                               'actor' => "rc_actor = '11'",
-                                               'userid' => "rc_actor = '0' AND rc_user = '1'"
-                                       ],
+                                       'orconds' => [ 'userid' => "rc_user = '1'" ],
                                        'joins' => [],
                                ],
                        ],
-                       'Simple table, write-new' => [
-                               MIGRATION_WRITE_NEW, 'rc_user', $genericUser, true, [
+                       'Simple table, read-new' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, 'rc_user', $genericUser, true, [
                                        'tables' => [],
-                                       'orconds' => [
-                                               'actor' => "rc_actor = '11'",
-                                               'userid' => "rc_actor = '0' AND rc_user = '1'"
-                                       ],
+                                       'orconds' => [ 'actor' => "rc_actor = '11'" ],
                                        'joins' => [],
                                ],
                        ],
                        'Simple table, new' => [
-                               MIGRATION_NEW, 'rc_user', $genericUser, true, [
+                               SCHEMA_COMPAT_NEW, 'rc_user', $genericUser, true, [
                                        'tables' => [],
                                        'orconds' => [ 'actor' => "rc_actor = '11'" ],
                                        'joins' => [],
@@ -283,34 +314,28 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                        ],
 
                        'ipblocks, old' => [
-                               MIGRATION_OLD, 'ipb_by', $genericUser, true, [
+                               SCHEMA_COMPAT_OLD, 'ipb_by', $genericUser, true, [
                                        'tables' => [],
                                        'orconds' => [ 'userid' => "ipb_by = '1'" ],
                                        'joins' => [],
                                ],
                        ],
-                       'ipblocks, write-both' => [
-                               MIGRATION_WRITE_BOTH, 'ipb_by', $genericUser, true, [
+                       'ipblocks, read-old' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, 'ipb_by', $genericUser, true, [
                                        'tables' => [],
-                                       'orconds' => [
-                                               'actor' => "ipb_by_actor = '11'",
-                                               'userid' => "ipb_by_actor = '0' AND ipb_by = '1'"
-                                       ],
+                                       'orconds' => [ 'userid' => "ipb_by = '1'" ],
                                        'joins' => [],
                                ],
                        ],
-                       'ipblocks, write-new' => [
-                               MIGRATION_WRITE_NEW, 'ipb_by', $genericUser, true, [
+                       'ipblocks, read-new' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, 'ipb_by', $genericUser, true, [
                                        'tables' => [],
-                                       'orconds' => [
-                                               'actor' => "ipb_by_actor = '11'",
-                                               'userid' => "ipb_by_actor = '0' AND ipb_by = '1'"
-                                       ],
+                                       'orconds' => [ 'actor' => "ipb_by_actor = '11'" ],
                                        'joins' => [],
                                ],
                        ],
                        'ipblocks, new' => [
-                               MIGRATION_NEW, 'ipb_by', $genericUser, true, [
+                               SCHEMA_COMPAT_NEW, 'ipb_by', $genericUser, true, [
                                        'tables' => [],
                                        'orconds' => [ 'actor' => "ipb_by_actor = '11'" ],
                                        'joins' => [],
@@ -318,44 +343,32 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                        ],
 
                        'Revision, old' => [
-                               MIGRATION_OLD, 'rev_user', $genericUser, true, [
+                               SCHEMA_COMPAT_OLD, 'rev_user', $genericUser, true, [
                                        'tables' => [],
                                        'orconds' => [ 'userid' => "rev_user = '1'" ],
                                        'joins' => [],
                                ],
                        ],
-                       'Revision, write-both' => [
-                               MIGRATION_WRITE_BOTH, 'rev_user', $genericUser, true, [
-                                       'tables' => [
-                                               'temp_rev_user' => 'revision_actor_temp',
-                                       ],
-                                       'orconds' => [
-                                               'actor' =>
-                                                       "(temp_rev_user.revactor_actor IS NOT NULL) AND temp_rev_user.revactor_actor = '11'",
-                                               'userid' => "temp_rev_user.revactor_actor IS NULL AND rev_user = '1'"
-                                       ],
-                                       'joins' => [
-                                               'temp_rev_user' => [ 'LEFT JOIN', 'temp_rev_user.revactor_rev = rev_id' ],
-                                       ],
+                       'Revision, read-old' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, 'rev_user', $genericUser, true, [
+                                       'tables' => [],
+                                       'orconds' => [ 'userid' => "rev_user = '1'" ],
+                                       'joins' => [],
                                ],
                        ],
-                       'Revision, write-new' => [
-                               MIGRATION_WRITE_NEW, 'rev_user', $genericUser, true, [
+                       'Revision, read-new' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, 'rev_user', $genericUser, true, [
                                        'tables' => [
                                                'temp_rev_user' => 'revision_actor_temp',
                                        ],
-                                       'orconds' => [
-                                               'actor' =>
-                                                       "(temp_rev_user.revactor_actor IS NOT NULL) AND temp_rev_user.revactor_actor = '11'",
-                                               'userid' => "temp_rev_user.revactor_actor IS NULL AND rev_user = '1'"
-                                       ],
+                                       'orconds' => [ 'actor' => "temp_rev_user.revactor_actor = '11'" ],
                                        'joins' => [
-                                               'temp_rev_user' => [ 'LEFT JOIN', 'temp_rev_user.revactor_rev = rev_id' ],
+                                               'temp_rev_user' => [ 'JOIN', 'temp_rev_user.revactor_rev = rev_id' ],
                                        ],
                                ],
                        ],
                        'Revision, new' => [
-                               MIGRATION_NEW, 'rev_user', $genericUser, true, [
+                               SCHEMA_COMPAT_NEW, 'rev_user', $genericUser, true, [
                                        'tables' => [
                                                'temp_rev_user' => 'revision_actor_temp',
                                        ],
@@ -367,7 +380,7 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                        ],
 
                        'Multiple users, old' => [
-                               MIGRATION_OLD, 'rc_user', $complicatedUsers, true, [
+                               SCHEMA_COMPAT_OLD, 'rc_user', $complicatedUsers, true, [
                                        'tables' => [],
                                        'orconds' => [
                                                'userid' => "rc_user IN ('1','2','3') ",
@@ -376,30 +389,25 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                                        'joins' => [],
                                ],
                        ],
-                       'Multiple users, write-both' => [
-                               MIGRATION_WRITE_BOTH, 'rc_user', $complicatedUsers, true, [
+                       'Multiple users, read-old' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, 'rc_user', $complicatedUsers, true, [
                                        'tables' => [],
                                        'orconds' => [
-                                               'actor' => "rc_actor IN ('11','12','34') ",
-                                               'userid' => "rc_actor = '0' AND rc_user IN ('1','2','3') ",
-                                               'username' => "rc_actor = '0' AND rc_user_text IN ('192.168.12.34','192.168.12.35') "
+                                               'userid' => "rc_user IN ('1','2','3') ",
+                                               'username' => "rc_user_text IN ('192.168.12.34','192.168.12.35') "
                                        ],
                                        'joins' => [],
                                ],
                        ],
-                       'Multiple users, write-new' => [
-                               MIGRATION_WRITE_NEW, 'rc_user', $complicatedUsers, true, [
+                       'Multiple users, read-new' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, 'rc_user', $complicatedUsers, true, [
                                        'tables' => [],
-                                       'orconds' => [
-                                               'actor' => "rc_actor IN ('11','12','34') ",
-                                               'userid' => "rc_actor = '0' AND rc_user IN ('1','2','3') ",
-                                               'username' => "rc_actor = '0' AND rc_user_text IN ('192.168.12.34','192.168.12.35') "
-                                       ],
+                                       'orconds' => [ 'actor' => "rc_actor IN ('11','12','34') " ],
                                        'joins' => [],
                                ],
                        ],
                        'Multiple users, new' => [
-                               MIGRATION_NEW, 'rc_user', $complicatedUsers, true, [
+                               SCHEMA_COMPAT_NEW, 'rc_user', $complicatedUsers, true, [
                                        'tables' => [],
                                        'orconds' => [ 'actor' => "rc_actor IN ('11','12','34') " ],
                                        'joins' => [],
@@ -407,7 +415,7 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                        ],
 
                        'Multiple users, no use ID, old' => [
-                               MIGRATION_OLD, 'rc_user', $complicatedUsers, false, [
+                               SCHEMA_COMPAT_OLD, 'rc_user', $complicatedUsers, false, [
                                        'tables' => [],
                                        'orconds' => [
                                                'username' => "rc_user_text IN ('User1','User2','User3','192.168.12.34','192.168.12.35') "
@@ -415,30 +423,24 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                                        'joins' => [],
                                ],
                        ],
-                       'Multiple users, write-both' => [
-                               MIGRATION_WRITE_BOTH, 'rc_user', $complicatedUsers, false, [
+                       'Multiple users, read-old' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, 'rc_user', $complicatedUsers, false, [
                                        'tables' => [],
                                        'orconds' => [
-                                               'actor' => "rc_actor IN ('11','12','34') ",
-                                               'username' => "rc_actor = '0' AND "
-                                               . "rc_user_text IN ('User1','User2','User3','192.168.12.34','192.168.12.35') "
+                                               'username' => "rc_user_text IN ('User1','User2','User3','192.168.12.34','192.168.12.35') "
                                        ],
                                        'joins' => [],
                                ],
                        ],
-                       'Multiple users, write-new' => [
-                               MIGRATION_WRITE_NEW, 'rc_user', $complicatedUsers, false, [
+                       'Multiple users, read-new' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, 'rc_user', $complicatedUsers, false, [
                                        'tables' => [],
-                                       'orconds' => [
-                                               'actor' => "rc_actor IN ('11','12','34') ",
-                                               'username' => "rc_actor = '0' AND "
-                                               . "rc_user_text IN ('User1','User2','User3','192.168.12.34','192.168.12.35') "
-                                       ],
+                                       'orconds' => [ 'actor' => "rc_actor IN ('11','12','34') " ],
                                        'joins' => [],
                                ],
                        ],
                        'Multiple users, new' => [
-                               MIGRATION_NEW, 'rc_user', $complicatedUsers, false, [
+                               SCHEMA_COMPAT_NEW, 'rc_user', $complicatedUsers, false, [
                                        'tables' => [],
                                        'orconds' => [ 'actor' => "rc_actor IN ('11','12','34') " ],
                                        'joins' => [],
@@ -470,12 +472,34 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                        $user->method( 'getActorId' )->willReturn( $this->db->insertId() );
                }
 
+               $stageNames = [
+                       SCHEMA_COMPAT_OLD => 'old',
+                       SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD => 'write-both-read-old',
+                       SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW => 'write-both-read-new',
+                       SCHEMA_COMPAT_NEW => 'new',
+               ];
+
                $stages = [
-                       MIGRATION_OLD => [ MIGRATION_OLD, MIGRATION_WRITE_BOTH, MIGRATION_WRITE_NEW ],
-                       MIGRATION_WRITE_BOTH => [ MIGRATION_OLD, MIGRATION_WRITE_BOTH, MIGRATION_WRITE_NEW,
-                               MIGRATION_NEW ],
-                       MIGRATION_WRITE_NEW => [ MIGRATION_WRITE_BOTH, MIGRATION_WRITE_NEW, MIGRATION_NEW ],
-                       MIGRATION_NEW => [ MIGRATION_WRITE_BOTH, MIGRATION_WRITE_NEW, MIGRATION_NEW ],
+                       SCHEMA_COMPAT_OLD => [
+                               SCHEMA_COMPAT_OLD,
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD,
+                       ],
+                       SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD => [
+                               SCHEMA_COMPAT_OLD,
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD,
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW,
+                               SCHEMA_COMPAT_NEW
+                       ],
+                       SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW => [
+                               SCHEMA_COMPAT_OLD,
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD,
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW,
+                               SCHEMA_COMPAT_NEW
+                       ],
+                       SCHEMA_COMPAT_NEW => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW,
+                               SCHEMA_COMPAT_NEW
+                       ],
                ];
 
                $nameKey = $key . '_text';
@@ -483,7 +507,7 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
 
                foreach ( $stages as $writeStage => $possibleReadStages ) {
                        if ( $key === 'ipb_by' ) {
-                               $extraFields['ipb_address'] = __CLASS__ . "#$writeStage";
+                               $extraFields['ipb_address'] = __CLASS__ . "#{$stageNames[$writeStage]}";
                        }
 
                        $w = $this->makeMigration( $writeStage );
@@ -495,17 +519,21 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                                $fields = $w->getInsertValues( $this->db, $key, $user );
                        }
 
-                       if ( $writeStage <= MIGRATION_WRITE_BOTH ) {
-                               $this->assertSame( $user->getId(), $fields[$key], "old field, stage=$writeStage" );
-                               $this->assertSame( $user->getName(), $fields[$nameKey], "old field, stage=$writeStage" );
+                       if ( $writeStage & SCHEMA_COMPAT_WRITE_OLD ) {
+                               $this->assertSame( $user->getId(), $fields[$key],
+                                       "old field, stage={$stageNames[$writeStage]}" );
+                               $this->assertSame( $user->getName(), $fields[$nameKey],
+                                       "old field, stage={$stageNames[$writeStage]}" );
                        } else {
-                               $this->assertArrayNotHasKey( $key, $fields, "old field, stage=$writeStage" );
-                               $this->assertArrayNotHasKey( $nameKey, $fields, "old field, stage=$writeStage" );
+                               $this->assertArrayNotHasKey( $key, $fields, "old field, stage={$stageNames[$writeStage]}" );
+                               $this->assertArrayNotHasKey( $nameKey, $fields, "old field, stage={$stageNames[$writeStage]}" );
                        }
-                       if ( $writeStage >= MIGRATION_WRITE_BOTH && !$usesTemp ) {
-                               $this->assertSame( $user->getActorId(), $fields[$actorKey], "new field, stage=$writeStage" );
+                       if ( ( $writeStage & SCHEMA_COMPAT_WRITE_NEW ) && !$usesTemp ) {
+                               $this->assertSame( $user->getActorId(), $fields[$actorKey],
+                                       "new field, stage={$stageNames[$writeStage]}" );
                        } else {
-                               $this->assertArrayNotHasKey( $actorKey, $fields, "new field, stage=$writeStage" );
+                               $this->assertArrayNotHasKey( $actorKey, $fields,
+                                       "new field, stage={$stageNames[$writeStage]}" );
                        }
 
                        $this->db->insert( $table, $extraFields + $fields, __METHOD__ );
@@ -527,12 +555,14 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                                        $queryInfo['joins']
                                );
 
-                               $this->assertSame( $user->getId(), (int)$row->$key, "w=$writeStage, r=$readStage, id" );
-                               $this->assertSame( $user->getName(), $row->$nameKey, "w=$writeStage, r=$readStage, name" );
+                               $this->assertSame( $user->getId(), (int)$row->$key,
+                                       "w={$stageNames[$writeStage]}, r={$stageNames[$readStage]}, id" );
+                               $this->assertSame( $user->getName(), $row->$nameKey,
+                                       "w={$stageNames[$writeStage]}, r={$stageNames[$readStage]}, name" );
                                $this->assertSame(
-                                       $readStage === MIGRATION_OLD || $writeStage === MIGRATION_OLD ? 0 : $user->getActorId(),
+                                       ( $readStage & SCHEMA_COMPAT_READ_OLD ) ? 0 : $user->getActorId(),
                                        (int)$row->$actorKey,
-                                       "w=$writeStage, r=$readStage, actor"
+                                       "w={$stageNames[$writeStage]}, r={$stageNames[$readStage]}, actor"
                                );
                        }
                }
@@ -572,10 +602,10 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
 
        public static function provideStages() {
                return [
-                       'MIGRATION_OLD' => [ MIGRATION_OLD ],
-                       'MIGRATION_WRITE_BOTH' => [ MIGRATION_WRITE_BOTH ],
-                       'MIGRATION_WRITE_NEW' => [ MIGRATION_WRITE_NEW ],
-                       'MIGRATION_NEW' => [ MIGRATION_NEW ],
+                       'old' => [ SCHEMA_COMPAT_OLD ],
+                       'read-old' => [ SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD ],
+                       'read-new' => [ SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW ],
+                       'new' => [ SCHEMA_COMPAT_NEW ],
                ];
        }
 
@@ -630,6 +660,12 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
        }
 
        public function testInsertUserIdentity() {
+               $this->setMwGlobals( [
+                       // for User::getActorId()
+                       'wgActorTableSchemaMigrationStage' => SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD
+               ] );
+               $this->overrideMwServices();
+
                $user = $this->getTestUser()->getUser();
                $userIdentity = $this->getMock( UserIdentity::class );
                $userIdentity->method( 'getId' )->willReturn( $user->getId() );
@@ -638,7 +674,7 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
 
                list( $cFields, $cCallback ) = MediaWikiServices::getInstance()->getCommentStore()
                        ->insertWithTempTable( $this->db, 'rev_comment', '' );
-               $m = $this->makeMigration( MIGRATION_WRITE_BOTH );
+               $m = $this->makeMigration( SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW );
                list( $fields, $callback ) =
                        $m->getInsertValuesWithTempTable( $this->db, 'rev_user', $userIdentity );
                $extraFields = [
@@ -652,22 +688,22 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
                $callback( $id, $extraFields );
                $cCallback( $id );
 
-               $qi = Revision::getQueryInfo();
+               $qi = $m->getJoin( 'rev_user' );
                $row = $this->db->selectRow(
-                       $qi['tables'], $qi['fields'], [ 'rev_id' => $id ], __METHOD__, [], $qi['joins']
+                       [ 'revision' ] + $qi['tables'], $qi['fields'], [ 'rev_id' => $id ], __METHOD__, [], $qi['joins']
                );
                $this->assertSame( $user->getId(), (int)$row->rev_user );
                $this->assertSame( $user->getName(), $row->rev_user_text );
                $this->assertSame( $user->getActorId(), (int)$row->rev_actor );
 
-               $m = $this->makeMigration( MIGRATION_WRITE_BOTH );
+               $m = $this->makeMigration( SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW );
                $fields = $m->getInsertValues( $this->db, 'dummy_user', $userIdentity );
                $this->assertSame( $user->getId(), $fields['dummy_user'] );
                $this->assertSame( $user->getName(), $fields['dummy_user_text'] );
                $this->assertSame( $user->getActorId(), $fields['dummy_actor'] );
        }
 
-       public function testConstructor() {
+       public function testNewMigration() {
                $m = ActorMigration::newMigration();
                $this->assertInstanceOf( ActorMigration::class, $m );
                $this->assertSame( $m, ActorMigration::newMigration() );
@@ -687,10 +723,12 @@ class ActorMigrationTest extends MediaWikiLangTestCase {
 
        public static function provideIsAnon() {
                return [
-                       'MIGRATION_OLD' => [ MIGRATION_OLD, 'foo = 0', 'foo != 0' ],
-                       'MIGRATION_WRITE_BOTH' => [ MIGRATION_WRITE_BOTH, 'foo = 0', 'foo != 0' ],
-                       'MIGRATION_WRITE_NEW' => [ MIGRATION_WRITE_NEW, 'foo = 0', 'foo != 0' ],
-                       'MIGRATION_NEW' => [ MIGRATION_NEW, 'foo IS NULL', 'foo IS NOT NULL' ],
+                       'old' => [ SCHEMA_COMPAT_OLD, 'foo = 0', 'foo != 0' ],
+                       'read-old' => [ SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD, 'foo = 0', 'foo != 0' ],
+                       'read-new' => [
+                               SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW, 'foo IS NULL', 'foo IS NOT NULL'
+                       ],
+                       'new' => [ SCHEMA_COMPAT_NEW, 'foo IS NULL', 'foo IS NOT NULL' ],
                ];
        }