tests/phpunit/includes/db/DatabaseSqliteTest.php

   1 <?php
   2
   3 class DatabaseSqliteMock extends DatabaseSqlite {
   4         private $lastQuery;
   5
   6         public static function newInstance( array $p = array() ) {
   7                 $p['dbFilePath'] = ':memory:';
   8                 $p['schema'] = false;
   9
  10                 return DatabaseBase::factory( 'SqliteMock', $p );
  11         }
  12
  13         function query( $sql, $fname = '', $tempIgnore = false ) {
  14                 $this->lastQuery = $sql;
  15
  16                 return true;
  17         }
  18
  19         /**
  20          * Override parent visibility to public
  21          */
  22         public function replaceVars( $s ) {
  23                 return parent::replaceVars( $s );
  24         }
  25 }
  26
  27 /**
  28  * @group sqlite
  29  * @group Database
  30  * @group medium
  31  */
  32 class DatabaseSqliteTest extends MediaWikiTestCase {
  33         /** @var DatabaseSqliteMock */
  34         protected $db;
  35
  36         protected function setUp() {
  37                 parent::setUp();
  38
  39                 if ( !Sqlite::isPresent() ) {
  40                         $this->markTestSkipped( 'No SQLite support detected' );
  41                 }
  42                 $this->db = DatabaseSqliteMock::newInstance();
  43                 if ( version_compare( $this->db->getServerVersion(), '3.6.0', '<' ) ) {
  44                         $this->markTestSkipped( "SQLite at least 3.6 required, {$this->db->getServerVersion()} found" );
  45                 }
  46         }
  47
  48         private function replaceVars( $sql ) {
  49                 // normalize spacing to hide implementation details
  50                 return preg_replace( '/\s+/', ' ', $this->db->replaceVars( $sql ) );
  51         }
  52
  53         private function assertResultIs( $expected, $res ) {
  54                 $this->assertNotNull( $res );
  55                 $i = 0;
  56                 foreach ( $res as $row ) {
  57                         foreach ( $expected[$i] as $key => $value ) {
  58                                 $this->assertTrue( isset( $row->$key ) );
  59                                 $this->assertEquals( $value, $row->$key );
  60                         }
  61                         $i++;
  62                 }
  63                 $this->assertEquals( count( $expected ), $i, 'Unexpected number of rows' );
  64         }
  65
  66         public static function provideAddQuotes() {
  67                 return array(
  68                         array( // #0: empty
  69                                 '', "''"
  70                         ),
  71                         array( // #1: simple
  72                                 'foo bar', "'foo bar'"
  73                         ),
  74                         array( // #2: including quote
  75                                 'foo\'bar', "'foo''bar'"
  76                         ),
  77                         // #3: including \0 (must be represented as hex, per https://bugs.php.net/bug.php?id=63419)
  78                         array(
  79                                 "x\0y",
  80                                 "x'780079'",
  81                         ),
  82                         array( // #4: blob object (must be represented as hex)
  83                                 new Blob( "hello" ),
  84                                 "x'68656c6c6f'",
  85                         ),
  86                 );
  87         }
  88
  89         /**
  90          * @dataProvider provideAddQuotes()
  91          * @covers DatabaseSqlite::addQuotes
  92          */
  93         public function testAddQuotes( $value, $expected ) {
  94                 // check quoting
  95                 $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
  96                 $this->assertEquals( $expected, $db->addQuotes( $value ), 'string not quoted as expected' );
  97
  98                 // ok, quoting works as expected, now try a round trip.
  99                 $re = $db->query( 'select ' . $db->addQuotes( $value ) );
 100
 101                 $this->assertTrue( $re !== false, 'query failed' );
 102
 103                 if ( $row = $re->fetchRow() ) {
 104                         if ( $value instanceof Blob ) {
 105                                 $value = $value->fetch();
 106                         }
 107
 108                         $this->assertEquals( $value, $row[0], 'string mangled by the database' );
 109                 } else {
 110                         $this->fail( 'query returned no result' );
 111                 }
 112         }
 113
 114         /**
 115          * @covers DatabaseSqlite::replaceVars
 116          */
 117         public function testReplaceVars() {
 118                 $this->assertEquals( 'foo', $this->replaceVars( 'foo' ), "Don't break anything accidentally" );
 119
 120                 $this->assertEquals(
 121                         "CREATE TABLE /**/foo (foo_key INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, "
 122                                 . "foo_bar TEXT, foo_name TEXT NOT NULL DEFAULT '', foo_int INTEGER, foo_int2 INTEGER );",
 123                         $this->replaceVars(
 124                                 "CREATE TABLE /**/foo (foo_key int unsigned NOT NULL PRIMARY KEY AUTO_INCREMENT, "
 125                                 . "foo_bar char(13), foo_name varchar(255) binary NOT NULL DEFAULT '', "
 126                                 . "foo_int tinyint ( 8 ), foo_int2 int(16) ) ENGINE=MyISAM;"
 127                         )
 128                 );
 129
 130                 $this->assertEquals(
 131                         "CREATE TABLE foo ( foo1 REAL, foo2 REAL, foo3 REAL );",
 132                         $this->replaceVars(
 133                                 "CREATE TABLE foo ( foo1 FLOAT, foo2 DOUBLE( 1,10), foo3 DOUBLE PRECISION );"
 134                         )
 135                 );
 136
 137                 $this->assertEquals( "CREATE TABLE foo ( foo_binary1 BLOB, foo_binary2 BLOB );",
 138                         $this->replaceVars( "CREATE TABLE foo ( foo_binary1 binary(16), foo_binary2 varbinary(32) );" )
 139                 );
 140
 141                 $this->assertEquals( "CREATE TABLE text ( text_foo TEXT );",
 142                         $this->replaceVars( "CREATE TABLE text ( text_foo tinytext );" ),
 143                         'Table name changed'
 144                 );
 145
 146                 $this->assertEquals( "CREATE TABLE foo ( foobar INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL );",
 147                         $this->replaceVars( "CREATE TABLE foo ( foobar INT PRIMARY KEY NOT NULL AUTO_INCREMENT );" )
 148                 );
 149                 $this->assertEquals( "CREATE TABLE foo ( foobar INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL );",
 150                         $this->replaceVars( "CREATE TABLE foo ( foobar INT PRIMARY KEY AUTO_INCREMENT NOT NULL );" )
 151                 );
 152
 153                 $this->assertEquals( "CREATE TABLE enums( enum1 TEXT, myenum TEXT)",
 154                         $this->replaceVars( "CREATE TABLE enums( enum1 ENUM('A', 'B'), myenum ENUM ('X', 'Y'))" )
 155                 );
 156
 157                 $this->assertEquals( "ALTER TABLE foo ADD COLUMN foo_bar INTEGER DEFAULT 42",
 158                         $this->replaceVars( "ALTER TABLE foo\nADD COLUMN foo_bar int(10) unsigned DEFAULT 42" )
 159                 );
 160
 161                 $this->assertEquals( "DROP INDEX foo",
 162                         $this->replaceVars( "DROP INDEX /*i*/foo ON /*_*/bar" )
 163                 );
 164
 165                 $this->assertEquals( "DROP INDEX foo -- dropping index",
 166                         $this->replaceVars( "DROP INDEX /*i*/foo ON /*_*/bar -- dropping index" )
 167                 );
 168                 $this->assertEquals( "INSERT OR IGNORE INTO foo VALUES ('bar')",
 169                         $this->replaceVars( "INSERT OR IGNORE INTO foo VALUES ('bar')" )
 170                 );
 171         }
 172
 173         /**
 174          * @covers DatabaseSqlite::tableName
 175          */
 176         public function testTableName() {
 177                 // @todo Moar!
 178                 $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
 179                 $this->assertEquals( 'foo', $db->tableName( 'foo' ) );
 180                 $this->assertEquals( 'sqlite_master', $db->tableName( 'sqlite_master' ) );
 181                 $db->tablePrefix( 'foo' );
 182                 $this->assertEquals( 'sqlite_master', $db->tableName( 'sqlite_master' ) );
 183                 $this->assertEquals( 'foobar', $db->tableName( 'bar' ) );
 184         }
 185
 186         /**
 187          * @covers DatabaseSqlite::duplicateTableStructure
 188          */
 189         public function testDuplicateTableStructure() {
 190                 $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
 191                 $db->query( 'CREATE TABLE foo(foo, barfoo)' );
 192
 193                 $db->duplicateTableStructure( 'foo', 'bar' );
 194                 $this->assertEquals( 'CREATE TABLE "bar"(foo, barfoo)',
 195                         $db->selectField( 'sqlite_master', 'sql', array( 'name' => 'bar' ) ),
 196                         'Normal table duplication'
 197                 );
 198
 199                 $db->duplicateTableStructure( 'foo', 'baz', true );
 200                 $this->assertEquals( 'CREATE TABLE "baz"(foo, barfoo)',
 201                         $db->selectField( 'sqlite_temp_master', 'sql', array( 'name' => 'baz' ) ),
 202                         'Creation of temporary duplicate'
 203                 );
 204                 $this->assertEquals( 0,
 205                         $db->selectField( 'sqlite_master', 'COUNT(*)', array( 'name' => 'baz' ) ),
 206                         'Create a temporary duplicate only'
 207                 );
 208         }
 209
 210         /**
 211          * @covers DatabaseSqlite::duplicateTableStructure
 212          */
 213         public function testDuplicateTableStructureVirtual() {
 214                 $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
 215                 if ( $db->getFulltextSearchModule() != 'FTS3' ) {
 216                         $this->markTestSkipped( 'FTS3 not supported, cannot create virtual tables' );
 217                 }
 218                 $db->query( 'CREATE VIRTUAL TABLE "foo" USING FTS3(foobar)' );
 219
 220                 $db->duplicateTableStructure( 'foo', 'bar' );
 221                 $this->assertEquals( 'CREATE VIRTUAL TABLE "bar" USING FTS3(foobar)',
 222                         $db->selectField( 'sqlite_master', 'sql', array( 'name' => 'bar' ) ),
 223                         'Duplication of virtual tables'
 224                 );
 225
 226                 $db->duplicateTableStructure( 'foo', 'baz', true );
 227                 $this->assertEquals( 'CREATE VIRTUAL TABLE "baz" USING FTS3(foobar)',
 228                         $db->selectField( 'sqlite_master', 'sql', array( 'name' => 'baz' ) ),
 229                         "Can't create temporary virtual tables, should fall back to non-temporary duplication"
 230                 );
 231         }
 232
 233         /**
 234          * @covers DatabaseSqlite::deleteJoin
 235          */
 236         public function testDeleteJoin() {
 237                 $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
 238                 $db->query( 'CREATE TABLE a (a_1)', __METHOD__ );
 239                 $db->query( 'CREATE TABLE b (b_1, b_2)', __METHOD__ );
 240                 $db->insert( 'a', array(
 241                                 array( 'a_1' => 1 ),
 242                                 array( 'a_1' => 2 ),
 243                                 array( 'a_1' => 3 ),
 244                         ),
 245                         __METHOD__
 246                 );
 247                 $db->insert( 'b', array(
 248                                 array( 'b_1' => 2, 'b_2' => 'a' ),
 249                                 array( 'b_1' => 3, 'b_2' => 'b' ),
 250                         ),
 251                         __METHOD__
 252                 );
 253                 $db->deleteJoin( 'a', 'b', 'a_1', 'b_1', array( 'b_2' => 'a' ), __METHOD__ );
 254                 $res = $db->query( "SELECT * FROM a", __METHOD__ );
 255                 $this->assertResultIs( array(
 256                                 array( 'a_1' => 1 ),
 257                                 array( 'a_1' => 3 ),
 258                         ),
 259                         $res
 260                 );
 261         }
 262
 263         public function testEntireSchema() {
 264                 global $IP;
 265
 266                 $result = Sqlite::checkSqlSyntax( "$IP/maintenance/tables.sql" );
 267                 if ( $result !== true ) {
 268                         $this->fail( $result );
 269                 }
 270                 $this->assertTrue( true ); // avoid test being marked as incomplete due to lack of assertions
 271         }
 272
 273         /**
 274          * Runs upgrades of older databases and compares results with current schema
 275          * @todo Currently only checks list of tables
 276          */
 277         public function testUpgrades() {
 278                 global $IP, $wgVersion, $wgProfiler;
 279
 280                 // Versions tested
 281                 $versions = array(
 282                         //'1.13', disabled for now, was totally screwed up
 283                         // SQLite wasn't included in 1.14
 284                         '1.15',
 285                         '1.16',
 286                         '1.17',
 287                         '1.18',
 288                 );
 289
 290                 // Mismatches for these columns we can safely ignore
 291                 $ignoredColumns = array(
 292                         'user_newtalk.user_last_timestamp', // r84185
 293                 );
 294
 295                 $currentDB = DatabaseSqlite::newStandaloneInstance( ':memory:' );
 296                 $currentDB->sourceFile( "$IP/maintenance/tables.sql" );
 297
 298                 $profileToDb = false;
 299                 if ( isset( $wgProfiler['output'] ) ) {
 300                         $out = $wgProfiler['output'];
 301                         if ( $out === 'db' ) {
 302                                 $profileToDb = true;
 303                         } elseif ( is_array( $out ) && in_array( 'db', $out ) ) {
 304                                 $profileToDb = true;
 305                         }
 306                 }
 307
 308                 if ( $profileToDb ) {
 309                         $currentDB->sourceFile( "$IP/maintenance/sqlite/archives/patch-profiling.sql" );
 310                 }
 311                 $currentTables = $this->getTables( $currentDB );
 312                 sort( $currentTables );
 313
 314                 foreach ( $versions as $version ) {
 315                         $versions = "upgrading from $version to $wgVersion";
 316                         $db = $this->prepareDB( $version );
 317                         $tables = $this->getTables( $db );
 318                         $this->assertEquals( $currentTables, $tables, "Different tables $versions" );
 319                         foreach ( $tables as $table ) {
 320                                 $currentCols = $this->getColumns( $currentDB, $table );
 321                                 $cols = $this->getColumns( $db, $table );
 322                                 $this->assertEquals(
 323                                         array_keys( $currentCols ),
 324                                         array_keys( $cols ),
 325                                         "Mismatching columns for table \"$table\" $versions"
 326                                 );
 327                                 foreach ( $currentCols as $name => $column ) {
 328                                         $fullName = "$table.$name";
 329                                         $this->assertEquals(
 330                                                 (bool)$column->pk,
 331                                                 (bool)$cols[$name]->pk,
 332                                                 "PRIMARY KEY status does not match for column $fullName $versions"
 333                                         );
 334                                         if ( !in_array( $fullName, $ignoredColumns ) ) {
 335                                                 $this->assertEquals(
 336                                                         (bool)$column->notnull,
 337                                                         (bool)$cols[$name]->notnull,
 338                                                         "NOT NULL status does not match for column $fullName $versions"
 339                                                 );
 340                                                 $this->assertEquals(
 341                                                         $column->dflt_value,
 342                                                         $cols[$name]->dflt_value,
 343                                                         "Default values does not match for column $fullName $versions"
 344                                                 );
 345                                         }
 346                                 }
 347                                 $currentIndexes = $this->getIndexes( $currentDB, $table );
 348                                 $indexes = $this->getIndexes( $db, $table );
 349                                 $this->assertEquals(
 350                                         array_keys( $currentIndexes ),
 351                                         array_keys( $indexes ),
 352                                         "mismatching indexes for table \"$table\" $versions"
 353                                 );
 354                         }
 355                         $db->close();
 356                 }
 357         }
 358
 359         /**
 360          * @covers DatabaseSqlite::insertId
 361          */
 362         public function testInsertIdType() {
 363                 $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
 364
 365                 $databaseCreation = $db->query( 'CREATE TABLE a ( a_1 )', __METHOD__ );
 366                 $this->assertInstanceOf( 'ResultWrapper', $databaseCreation, "Database creation" );
 367
 368                 $insertion = $db->insert( 'a', array( 'a_1' => 10 ), __METHOD__ );
 369                 $this->assertTrue( $insertion, "Insertion worked" );
 370
 371                 $this->assertInternalType( 'integer', $db->insertId(), "Actual typecheck" );
 372                 $this->assertTrue( $db->close(), "closing database" );
 373         }
 374
 375         private function prepareDB( $version ) {
 376                 static $maint = null;
 377                 if ( $maint === null ) {
 378                         $maint = new FakeMaintenance();
 379                         $maint->loadParamsAndArgs( null, array( 'quiet' => 1 ) );
 380                 }
 381
 382                 global $IP;
 383                 $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
 384                 $db->sourceFile( "$IP/tests/phpunit/data/db/sqlite/tables-$version.sql" );
 385                 $updater = DatabaseUpdater::newForDB( $db, false, $maint );
 386                 $updater->doUpdates( array( 'core' ) );
 387
 388                 return $db;
 389         }
 390
 391         private function getTables( $db ) {
 392                 $list = array_flip( $db->listTables() );
 393                 $excluded = array(
 394                         'external_user', // removed from core in 1.22
 395                         'math', // moved out of core in 1.18
 396                         'trackbacks', // removed from core in 1.19
 397                         'searchindex',
 398                         'searchindex_content',
 399                         'searchindex_segments',
 400                         'searchindex_segdir',
 401                         // FTS4 ready!!1
 402                         'searchindex_docsize',
 403                         'searchindex_stat',
 404                 );
 405                 foreach ( $excluded as $t ) {
 406                         unset( $list[$t] );
 407                 }
 408                 $list = array_flip( $list );
 409                 sort( $list );
 410
 411                 return $list;
 412         }
 413
 414         private function getColumns( $db, $table ) {
 415                 $cols = array();
 416                 $res = $db->query( "PRAGMA table_info($table)" );
 417                 $this->assertNotNull( $res );
 418                 foreach ( $res as $col ) {
 419                         $cols[$col->name] = $col;
 420                 }
 421                 ksort( $cols );
 422
 423                 return $cols;
 424         }
 425
 426         private function getIndexes( $db, $table ) {
 427                 $indexes = array();
 428                 $res = $db->query( "PRAGMA index_list($table)" );
 429                 $this->assertNotNull( $res );
 430                 foreach ( $res as $index ) {
 431                         $res2 = $db->query( "PRAGMA index_info({$index->name})" );
 432                         $this->assertNotNull( $res2 );
 433                         $index->columns = array();
 434                         foreach ( $res2 as $col ) {
 435                                 $index->columns[] = $col;
 436                         }
 437                         $indexes[$index->name] = $index;
 438                 }
 439                 ksort( $indexes );
 440
 441                 return $indexes;
 442         }
 443
 444         public function testCaseInsensitiveLike() {
 445                 // TODO: Test this for all databases
 446                 $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
 447                 $res = $db->query( 'SELECT "a" LIKE "A" AS a' );
 448                 $row = $res->fetchRow();
 449                 $this->assertFalse( (bool)$row['a'] );
 450         }
 451
 452         /**
 453          * @covers DatabaseSqlite::numFields
 454          */
 455         public function testNumFields() {
 456                 $db = DatabaseSqlite::newStandaloneInstance( ':memory:' );
 457
 458                 $databaseCreation = $db->query( 'CREATE TABLE a ( a_1 )', __METHOD__ );
 459                 $this->assertInstanceOf( 'ResultWrapper', $databaseCreation, "Failed to create table a" );
 460                 $res = $db->select( 'a', '*' );
 461                 $this->assertEquals( 0, $db->numFields( $res ), "expects to get 0 fields for an empty table" );
 462                 $insertion = $db->insert( 'a', array( 'a_1' => 10 ), __METHOD__ );
 463                 $this->assertTrue( $insertion, "Insertion failed" );
 464                 $res = $db->select( 'a', '*' );
 465                 $this->assertEquals( 1, $db->numFields( $res ), "wrong number of fields" );
 466
 467                 $this->assertTrue( $db->close(), "closing database" );
 468         }
 469 }