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abstract class MediaWikiTestCase extends PHPUnit_Framework_TestCase {
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public $runDisabled = false;
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protected $oldTablePrefix;
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protected $useTemporaryTables = true;
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protected $reuseDB = false;
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protected $tablesUsed = array(); // tables with data
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private static $dbSetup = false;
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* Table name prefixes. Oracle likes it shorter.
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const DB_PREFIX = 'unittest_';
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const ORA_DB_PREFIX = 'ut_';
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protected $supportedDBs = array(
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function __construct( $name = null, array $data = array(), $dataName = '' ) {
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parent::__construct( $name, $data, $dataName );
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$this->backupGlobals = false;
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$this->backupStaticAttributes = false;
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function run( PHPUnit_Framework_TestResult $result = NULL ) {
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/* Some functions require some kind of caching, and will end up using the db,
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* which we can't allow, as that would open a new connection for mysql.
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* Replace with a HashBag. They would not be going to persist anyway.
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ObjectCache::$instances[CACHE_DB] = new HashBagOStuff;
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if( $this->needsDB() ) {
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$this->useTemporaryTables = !$this->getCliArg( 'use-normal-tables' );
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$this->reuseDB = $this->getCliArg('reuse-db');
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$this->db = wfGetDB( DB_MASTER );
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$this->checkDbIsSupported();
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$this->oldTablePrefix = $wgDBprefix;
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if( !self::$dbSetup ) {
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self::$dbSetup = true;
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$this->addCoreDBData();
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parent::run( $result );
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parent::run( $result );
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return $this->db->getType() == 'oracle' ? self::ORA_DB_PREFIX : self::DB_PREFIX;
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$rc = new ReflectionClass( $this );
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return strpos( $rc->getDocComment(), '@group Database' ) !== false;
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* Stub. If a test needs to add additional data to the database, it should
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* implement this method and do so
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function addDBData() {}
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private function addCoreDBData() {
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# disabled for performance
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#$this->tablesUsed[] = 'page';
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#$this->tablesUsed[] = 'revision';
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if ( $this->db->getType() == 'oracle' ) {
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# Insert 0 user to prevent FK violations
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$this->db->insert( 'user', array(
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'user_name' => 'Anonymous' ), __METHOD__, array( 'IGNORE' ) );
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# Insert 0 page to prevent FK violations
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$this->db->insert( 'page', array(
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'page_namespace' => 0,
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'page_restrictions' => NULL,
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'page_is_redirect' => 0,
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'page_touched' => $this->db->timestamp(),
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'page_len' => 0 ), __METHOD__, array( 'IGNORE' ) );
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User::resetIdByNameCache();
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$user = User::newFromName( 'UTSysop' );
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if ( $user->idForName() == 0 ) {
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$user->addToDatabase();
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$user->setPassword( 'UTSysopPassword' );
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$user->addGroup( 'sysop' );
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$user->addGroup( 'bureaucrat' );
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$user->saveSettings();
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//Make 1 page with 1 revision
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$page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
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if ( !$page->getId() == 0 ) {
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$page->doEdit( 'UTContent',
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User::newFromName( 'UTSysop' ) );
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private function initDB() {
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if ( $wgDBprefix === $this->dbPrefix() ) {
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throw new MWException( 'Cannot run unit tests, the database prefix is already "unittest_"' );
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$tablesCloned = $this->listTables();
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$dbClone = new CloneDatabase( $this->db, $tablesCloned, $this->dbPrefix() );
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$dbClone->useTemporaryTables( $this->useTemporaryTables );
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if ( ( $this->db->getType() == 'oracle' || !$this->useTemporaryTables ) && $this->reuseDB ) {
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CloneDatabase::changePrefix( $this->dbPrefix() );
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$dbClone->cloneTableStructure();
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if ( $this->db->getType() == 'oracle' ) {
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$this->db->query( 'BEGIN FILL_WIKI_INFO; END;' );
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* Empty all tables so they can be repopulated for tests
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private function resetDB() {
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if ( $this->db->getType() == 'oracle' ) {
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if ( $this->useTemporaryTables ) {
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wfGetLB()->closeAll();
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$this->db = wfGetDB( DB_MASTER );
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foreach( $this->tablesUsed as $tbl ) {
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if( $tbl == 'interwiki') continue;
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$this->db->query( 'TRUNCATE TABLE '.$this->db->tableName($tbl), __METHOD__ );
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foreach( $this->tablesUsed as $tbl ) {
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if( $tbl == 'interwiki' || $tbl == 'user' ) continue;
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$this->db->delete( $tbl, '*', __METHOD__ );
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function __call( $func, $args ) {
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static $compatibility = array(
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'assertInternalType' => 'assertType',
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'assertNotInternalType' => 'assertNotType',
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'assertInstanceOf' => 'assertType',
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'assertEmpty' => 'assertEmpty2',
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if ( method_exists( $this->suite, $func ) ) {
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return call_user_func_array( array( $this->suite, $func ), $args);
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} elseif ( isset( $compatibility[$func] ) ) {
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return call_user_func_array( array( $this, $compatibility[$func] ), $args);
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throw new MWException( "Called non-existant $func method on "
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. get_class( $this ) );
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private function assertEmpty2( $value, $msg ) {
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return $this->assertTrue( $value == '', $msg );
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static private function unprefixTable( $tableName ) {
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return substr( $tableName, strlen( $wgDBprefix ) );
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static private function isNotUnittest( $table ) {
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return strpos( $table, 'unittest_' ) !== 0;
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protected function listTables() {
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$tables = $this->db->listTables( $wgDBprefix, __METHOD__ );
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$tables = array_map( array( __CLASS__, 'unprefixTable' ), $tables );
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// Don't duplicate test tables from the previous fataled run
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$tables = array_filter( $tables, array( __CLASS__, 'isNotUnittest' ) );
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if ( $this->db->getType() == 'sqlite' ) {
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$tables = array_flip( $tables );
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// these are subtables of searchindex and don't need to be duped/dropped separately
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unset( $tables['searchindex_content'] );
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unset( $tables['searchindex_segdir'] );
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unset( $tables['searchindex_segments'] );
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$tables = array_flip( $tables );
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protected function checkDbIsSupported() {
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if( !in_array( $this->db->getType(), $this->supportedDBs ) ) {
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throw new MWException( $this->db->getType() . " is not currently supported for unit testing." );
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public function getCliArg( $offset ) {
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if( isset( MediaWikiPHPUnitCommand::$additionalOptions[$offset] ) ) {
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return MediaWikiPHPUnitCommand::$additionalOptions[$offset];
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public function setCliArg( $offset, $value ) {
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MediaWikiPHPUnitCommand::$additionalOptions[$offset] = $value;
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public static function disableInterwikis( $prefix, &$data ) {
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* Don't throw a warning if $function is deprecated and called later
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* @param $function String
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function hideDeprecated( $function ) {
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wfSuppressWarnings();
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wfDeprecated( $function );