3 use MediaWiki\Logger\LegacySpi
;
4 use MediaWiki\Logger\LoggerFactory
;
5 use MediaWiki\Logger\MonologSpi
;
6 use MediaWiki\Logger\LogCapturingSpi
;
7 use MediaWiki\MediaWikiServices
;
8 use Psr\Log\LoggerInterface
;
9 use Wikimedia\Rdbms\IDatabase
;
10 use Wikimedia\Rdbms\IMaintainableDatabase
;
11 use Wikimedia\Rdbms\Database
;
12 use Wikimedia\TestingAccessWrapper
;
17 abstract class MediaWikiTestCase
extends PHPUnit\Framework\TestCase
{
19 use MediaWikiCoversValidator
;
20 use PHPUnit4And6Compat
;
23 * The original service locator. This is overridden during setUp().
25 * @var MediaWikiServices|null
27 private static $originalServices;
30 * The local service locator, created during setUp().
31 * @var MediaWikiServices
33 private $localServices;
36 * $called tracks whether the setUp and tearDown method has been called.
37 * class extending MediaWikiTestCase usually override setUp and tearDown
38 * but forget to call the parent.
40 * The array format takes a method name as key and anything as a value.
41 * By asserting the key exist, we know the child class has called the
44 * This property must be private, we do not want child to override it,
45 * they should call the appropriate parent method instead.
67 protected $tablesUsed = []; // tables with data
69 private static $useTemporaryTables = true;
70 private static $reuseDB = false;
71 private static $dbSetup = false;
72 private static $oldTablePrefix = '';
75 * Original value of PHP's error_reporting setting.
79 private $phpErrorLevel;
82 * Holds the paths of temporary files/directories created through getNewTempFile,
83 * and getNewTempDirectory
87 private $tmpFiles = [];
90 * Holds original values of MediaWiki configuration settings
91 * to be restored in tearDown().
92 * See also setMwGlobals().
95 private $mwGlobals = [];
98 * Holds list of MediaWiki configuration settings to be unset in tearDown().
99 * See also setMwGlobals().
102 private $mwGlobalsToUnset = [];
105 * Holds original values of ini settings to be restored
107 * @see setIniSettings()
110 private $iniSettings = [];
113 * Holds original loggers which have been replaced by setLogger()
114 * @var LoggerInterface[]
116 private $loggers = [];
119 * The CLI arguments passed through from phpunit.php
122 private $cliArgs = [];
125 * Holds a list of services that were overridden with setService(). Used for printing an error
126 * if overrideMwServices() overrides a service that was previously set.
129 private $overriddenServices = [];
132 * Table name prefixes. Oracle likes it shorter.
134 const DB_PREFIX
= 'unittest_';
135 const ORA_DB_PREFIX
= 'ut_';
141 protected $supportedDBs = [
148 public function __construct( $name = null, array $data = [], $dataName = '' ) {
149 parent
::__construct( $name, $data, $dataName );
151 $this->backupGlobals
= false;
152 $this->backupStaticAttributes
= false;
155 public function __destruct() {
156 // Complain if self::setUp() was called, but not self::tearDown()
157 // $this->called['setUp'] will be checked by self::testMediaWikiTestCaseParentSetupCalled()
158 if ( isset( $this->called
['setUp'] ) && !isset( $this->called
['tearDown'] ) ) {
159 throw new MWException( static::class . "::tearDown() must call parent::tearDown()" );
163 public static function setUpBeforeClass() {
164 parent
::setUpBeforeClass();
166 // Get the original service locator
167 if ( !self
::$originalServices ) {
168 self
::$originalServices = MediaWikiServices
::getInstance();
173 * Convenience method for getting an immutable test user
177 * @param string|string[] $groups Groups the test user should be in.
180 public static function getTestUser( $groups = [] ) {
181 return TestUserRegistry
::getImmutableTestUser( $groups );
185 * Convenience method for getting a mutable test user
189 * @param string|string[] $groups Groups the test user should be added in.
192 public static function getMutableTestUser( $groups = [] ) {
193 return TestUserRegistry
::getMutableTestUser( __CLASS__
, $groups );
197 * Convenience method for getting an immutable admin test user
201 * @param string[] $groups Groups the test user should be added to.
204 public static function getTestSysop() {
205 return self
::getTestUser( [ 'sysop', 'bureaucrat' ] );
209 * Returns a WikiPage representing an existing page.
213 * @param Title|string|null $title
215 * @throws MWException If this test cases's needsDB() method doesn't return true.
216 * Test cases can use "@group Database" to enable database test support,
217 * or list the tables under testing in $this->tablesUsed, or override the
220 protected function getExistingTestPage( $title = null ) {
221 if ( !$this->needsDB() ) {
222 throw new MWException( 'When testing which pages, the test cases\'s needsDB()' .
223 ' method should return true. Use @group Database or $this->tablesUsed.' );
226 $title = ( $title === null ) ?
'UTPage' : $title;
227 $title = is_string( $title ) ? Title
::newFromText( $title ) : $title;
228 $page = WikiPage
::factory( $title );
230 if ( !$page->exists() ) {
231 $user = self
::getTestSysop()->getUser();
232 $page->doEditContent(
233 new WikitextContent( 'UTContent' ),
235 EDIT_NEW | EDIT_SUPPRESS_RC
,
245 * Returns a WikiPage representing a non-existing page.
249 * @param Title|string|null $title
251 * @throws MWException If this test cases's needsDB() method doesn't return true.
252 * Test cases can use "@group Database" to enable database test support,
253 * or list the tables under testing in $this->tablesUsed, or override the
256 protected function getNonexistingTestPage( $title = null ) {
257 if ( !$this->needsDB() ) {
258 throw new MWException( 'When testing which pages, the test cases\'s needsDB()' .
259 ' method should return true. Use @group Database or $this->tablesUsed.' );
262 $title = ( $title === null ) ?
'UTPage-' . rand( 0, 100000 ) : $title;
263 $title = is_string( $title ) ? Title
::newFromText( $title ) : $title;
264 $page = WikiPage
::factory( $title );
266 if ( $page->exists() ) {
267 $page->doDeleteArticle( 'Testing' );
274 * @deprecated since 1.32
276 public static function prepareServices( Config
$bootstrapConfig ) {
280 * Create a config suitable for testing, based on a base config, default overrides,
281 * and custom overrides.
283 * @param Config|null $baseConfig
284 * @param Config|null $customOverrides
288 private static function makeTestConfig(
289 Config
$baseConfig = null,
290 Config
$customOverrides = null
292 $defaultOverrides = new HashConfig();
294 if ( !$baseConfig ) {
295 $baseConfig = self
::$originalServices->getBootstrapConfig();
298 /* Some functions require some kind of caching, and will end up using the db,
299 * which we can't allow, as that would open a new connection for mysql.
300 * Replace with a HashBag. They would not be going to persist anyway.
302 $hashCache = [ 'class' => HashBagOStuff
::class, 'reportDupes' => false ];
304 CACHE_DB
=> $hashCache,
305 CACHE_ACCEL
=> $hashCache,
306 CACHE_MEMCACHED
=> $hashCache,
308 'apcu' => $hashCache,
309 'wincache' => $hashCache,
310 ] +
$baseConfig->get( 'ObjectCaches' );
312 $defaultOverrides->set( 'ObjectCaches', $objectCaches );
313 $defaultOverrides->set( 'MainCacheType', CACHE_NONE
);
314 $defaultOverrides->set( 'JobTypeConf', [ 'default' => [ 'class' => JobQueueMemory
::class ] ] );
316 // Use a fast hash algorithm to hash passwords.
317 $defaultOverrides->set( 'PasswordDefault', 'A' );
319 $testConfig = $customOverrides
320 ?
new MultiConfig( [ $customOverrides, $defaultOverrides, $baseConfig ] )
321 : new MultiConfig( [ $defaultOverrides, $baseConfig ] );
327 * @param ConfigFactory $oldFactory
328 * @param Config[] $configurations
332 private static function makeTestConfigFactoryInstantiator(
333 ConfigFactory
$oldFactory,
334 array $configurations
336 return function ( MediaWikiServices
$services ) use ( $oldFactory, $configurations ) {
337 $factory = new ConfigFactory();
339 // clone configurations from $oldFactory that are not overwritten by $configurations
340 $namesToClone = array_diff(
341 $oldFactory->getConfigNames(),
342 array_keys( $configurations )
345 foreach ( $namesToClone as $name ) {
346 $factory->register( $name, $oldFactory->makeConfig( $name ) );
349 foreach ( $configurations as $name => $config ) {
350 $factory->register( $name, $config );
358 * Resets some non-service singleton instances and other static caches. It's not necessary to
359 * reset services here.
361 public static function resetNonServiceCaches() {
362 global $wgRequest, $wgJobClasses;
364 User
::resetGetDefaultOptionsForTestsOnly();
365 foreach ( $wgJobClasses as $type => $class ) {
366 JobQueueGroup
::singleton()->get( $type )->delete();
368 JobQueueGroup
::destroySingletons();
370 ObjectCache
::clear();
371 FileBackendGroup
::destroySingleton();
372 DeferredUpdates
::clearPendingUpdates();
374 // TODO: move global state into MediaWikiServices
375 RequestContext
::resetMain();
376 if ( session_id() !== '' ) {
377 session_write_close();
381 $wgRequest = new FauxRequest();
382 MediaWiki\Session\SessionManager
::resetCache();
385 public function run( PHPUnit_Framework_TestResult
$result = null ) {
386 if ( $result instanceof MediaWikiTestResult
) {
387 $this->cliArgs
= $result->getMediaWikiCliArgs();
389 $this->overrideMwServices();
391 if ( $this->needsDB() && !$this->isTestInDatabaseGroup() ) {
393 get_class( $this ) . ' apparently needsDB but is not in the Database group'
397 $needsResetDB = false;
398 if ( !self
::$dbSetup ||
$this->needsDB() ) {
399 // set up a DB connection for this test to use
401 self
::$useTemporaryTables = !$this->getCliArg( 'use-normal-tables' );
402 self
::$reuseDB = $this->getCliArg( 'reuse-db' );
404 $lb = MediaWikiServices
::getInstance()->getDBLoadBalancer();
405 $this->db
= $lb->getConnection( DB_MASTER
);
407 $this->checkDbIsSupported();
409 if ( !self
::$dbSetup ) {
410 $this->setupAllTestDBs();
411 $this->addCoreDBData();
414 // TODO: the DB setup should be done in setUpBeforeClass(), so the test DB
415 // is available in subclass's setUpBeforeClass() and setUp() methods.
416 // This would also remove the need for the HACK that is oncePerClass().
417 if ( $this->oncePerClass() ) {
418 $this->setUpSchema( $this->db
);
419 $this->resetDB( $this->db
, $this->tablesUsed
);
420 $this->addDBDataOnce();
424 $needsResetDB = true;
427 parent
::run( $result );
429 // We don't mind if we override already-overridden services during cleanup
430 $this->overriddenServices
= [];
432 if ( $needsResetDB ) {
433 $this->resetDB( $this->db
, $this->tablesUsed
);
436 self
::restoreMwServices();
437 $this->localServices
= null;
443 private function oncePerClass() {
444 // Remember current test class in the database connection,
445 // so we know when we need to run addData.
447 $class = static::class;
449 $first = !isset( $this->db
->_hasDataForTestClass
)
450 ||
$this->db
->_hasDataForTestClass
!== $class;
452 $this->db
->_hasDataForTestClass
= $class;
461 public function usesTemporaryTables() {
462 return self
::$useTemporaryTables;
466 * Obtains a new temporary file name
468 * The obtained filename is enlisted to be removed upon tearDown
472 * @return string Absolute name of the temporary file
474 protected function getNewTempFile() {
477 // Avoid backslashes here as they result in inconsistent results
478 // between Windows and other OS, as well as between functions
479 // that try to normalise these in one or both directions.
480 // For example, tempnam rejects directory separators in the prefix which
481 // means it rejects any namespaced class on Windows.
482 // And then there is, wfMkdirParents which normalises paths always
483 // whereas most other PHP and MW functions do not.
484 'MW_PHPUnit_' . strtr( static::class, [ '\\' => '_' ] ) . '_'
486 $this->tmpFiles
[] = $fileName;
492 * obtains a new temporary directory
494 * The obtained directory is enlisted to be removed (recursively with all its contained
495 * files) upon tearDown.
499 * @return string Absolute name of the temporary directory
501 protected function getNewTempDirectory() {
502 // Starting of with a temporary *file*.
503 $fileName = $this->getNewTempFile();
505 // Converting the temporary file to a *directory*.
506 // The following is not atomic, but at least we now have a single place,
507 // where temporary directory creation is bundled and can be improved.
509 // If this fails for some reason, PHP will warn and fail the test.
510 mkdir( $fileName, 0777, /* recursive = */ true );
515 protected function setUp() {
517 $this->called
['setUp'] = true;
519 $this->phpErrorLevel
= intval( ini_get( 'error_reporting' ) );
521 $this->overriddenServices
= [];
523 // Cleaning up temporary files
524 foreach ( $this->tmpFiles
as $fileName ) {
525 if ( is_file( $fileName ) ||
( is_link( $fileName ) ) ) {
527 } elseif ( is_dir( $fileName ) ) {
528 wfRecursiveRemoveDir( $fileName );
532 if ( $this->needsDB() && $this->db
) {
533 // Clean up open transactions
534 while ( $this->db
->trxLevel() > 0 ) {
535 $this->db
->rollback( __METHOD__
, 'flush' );
537 // Check for unsafe queries
538 if ( $this->db
->getType() === 'mysql' ) {
539 $this->db
->query( "SET sql_mode = 'STRICT_ALL_TABLES'", __METHOD__
);
543 // Reset all caches between tests.
544 self
::resetNonServiceCaches();
546 // XXX: reset maintenance triggers
547 // Hook into period lag checks which often happen in long-running scripts
548 $lbFactory = $this->localServices
->getDBLoadBalancerFactory();
549 Maintenance
::setLBFactoryTriggers( $lbFactory, $this->localServices
->getMainConfig() );
551 ob_start( 'MediaWikiTestCase::wfResetOutputBuffersBarrier' );
554 protected function addTmpFiles( $files ) {
555 $this->tmpFiles
= array_merge( $this->tmpFiles
, (array)$files );
558 // @todo Make const when we no longer support HHVM (T192166)
559 private static $namespaceAffectingSettings = [
560 'wgAllowImageMoving',
561 'wgCanonicalNamespaceNames',
562 'wgCapitalLinkOverrides',
564 'wgContentNamespaces',
565 'wgExtensionMessagesFiles',
566 'wgExtensionNamespaces',
568 'wgExtraSignatureNamespaces',
569 'wgNamespaceContentModels',
570 'wgNamespaceProtection',
571 'wgNamespacesWithSubpages',
572 'wgNonincludableNamespaces',
573 'wgRestrictionLevels',
576 protected function tearDown() {
577 global $wgRequest, $wgSQLMode;
579 $status = ob_get_status();
580 if ( isset( $status['name'] ) &&
581 $status['name'] === 'MediaWikiTestCase::wfResetOutputBuffersBarrier'
586 $this->called
['tearDown'] = true;
587 // Cleaning up temporary files
588 foreach ( $this->tmpFiles
as $fileName ) {
589 if ( is_file( $fileName ) ||
( is_link( $fileName ) ) ) {
591 } elseif ( is_dir( $fileName ) ) {
592 wfRecursiveRemoveDir( $fileName );
596 if ( $this->needsDB() && $this->db
) {
597 // Clean up open transactions
598 while ( $this->db
->trxLevel() > 0 ) {
599 $this->db
->rollback( __METHOD__
, 'flush' );
601 if ( $this->db
->getType() === 'mysql' ) {
602 $this->db
->query( "SET sql_mode = " . $this->db
->addQuotes( $wgSQLMode ),
607 // Re-enable any disabled deprecation warnings
609 // Restore mw globals
610 foreach ( $this->mwGlobals
as $key => $value ) {
611 $GLOBALS[$key] = $value;
613 foreach ( $this->mwGlobalsToUnset
as $value ) {
614 unset( $GLOBALS[$value] );
616 foreach ( $this->iniSettings
as $name => $value ) {
617 ini_set( $name, $value );
620 array_intersect( self
::$namespaceAffectingSettings, array_keys( $this->mwGlobals
) ) ||
621 array_intersect( self
::$namespaceAffectingSettings, $this->mwGlobalsToUnset
)
623 $this->resetNamespaces();
625 $this->mwGlobals
= [];
626 $this->mwGlobalsToUnset
= [];
627 $this->restoreLoggers();
629 // TODO: move global state into MediaWikiServices
630 RequestContext
::resetMain();
631 if ( session_id() !== '' ) {
632 session_write_close();
635 $wgRequest = new FauxRequest();
636 MediaWiki\Session\SessionManager
::resetCache();
637 MediaWiki\Auth\AuthManager
::resetCache();
639 $phpErrorLevel = intval( ini_get( 'error_reporting' ) );
641 if ( $phpErrorLevel !== $this->phpErrorLevel
) {
642 ini_set( 'error_reporting', $this->phpErrorLevel
);
644 $oldHex = strtoupper( dechex( $this->phpErrorLevel
) );
645 $newHex = strtoupper( dechex( $phpErrorLevel ) );
646 $message = "PHP error_reporting setting was left dirty: "
647 . "was 0x$oldHex before test, 0x$newHex after test!";
649 $this->fail( $message );
656 * Make sure MediaWikiTestCase extending classes have called their
657 * parent setUp method
659 * With strict coverage activated in PHP_CodeCoverage, this test would be
660 * marked as risky without the following annotation (T152923).
663 final public function testMediaWikiTestCaseParentSetupCalled() {
664 $this->assertArrayHasKey( 'setUp', $this->called
,
665 static::class . '::setUp() must call parent::setUp()'
670 * Sets a service, maintaining a stashed version of the previous service to be
671 * restored in tearDown
675 * @param string $name
676 * @param object $object
678 protected function setService( $name, $object ) {
679 if ( !$this->localServices
) {
680 throw new Exception( __METHOD__
. ' must be called after MediaWikiTestCase::run()' );
683 if ( $this->localServices
!== MediaWikiServices
::getInstance() ) {
684 throw new Exception( __METHOD__
. ' will not work because the global MediaWikiServices '
685 . 'instance has been replaced by test code.' );
688 $this->overriddenServices
[] = $name;
690 $this->localServices
->disableService( $name );
691 $this->localServices
->redefineService(
693 function () use ( $object ) {
698 if ( $name === 'ContentLanguage' ) {
699 $this->doSetMwGlobals( [ 'wgContLang' => $object ] );
704 * Sets a global, maintaining a stashed version of the previous global to be
705 * restored in tearDown
707 * The key is added to the array of globals that will be reset afterwards
712 * protected function setUp() {
713 * $this->setMwGlobals( 'wgRestrictStuff', true );
716 * function testFoo() {}
718 * function testBar() {}
719 * $this->assertTrue( self::getX()->doStuff() );
721 * $this->setMwGlobals( 'wgRestrictStuff', false );
722 * $this->assertTrue( self::getX()->doStuff() );
725 * function testQuux() {}
728 * @param array|string $pairs Key to the global variable, or an array
729 * of key/value pairs.
730 * @param mixed|null $value Value to set the global to (ignored
731 * if an array is given as first argument).
733 * @note To allow changes to global variables to take effect on global service instances,
734 * call overrideMwServices().
738 protected function setMwGlobals( $pairs, $value = null ) {
739 if ( is_string( $pairs ) ) {
740 $pairs = [ $pairs => $value ];
743 if ( isset( $pairs['wgContLang'] ) ) {
744 throw new MWException(
745 'No setting $wgContLang, use setContentLang() or setService( \'ContentLanguage\' )'
749 $this->doSetMwGlobals( $pairs, $value );
753 * An internal method that allows setService() to set globals that tests are not supposed to
756 private function doSetMwGlobals( $pairs, $value = null ) {
757 $this->doStashMwGlobals( array_keys( $pairs ) );
759 foreach ( $pairs as $key => $value ) {
760 $GLOBALS[$key] = $value;
763 if ( array_intersect( self
::$namespaceAffectingSettings, array_keys( $pairs ) ) ) {
764 $this->resetNamespaces();
769 * Set an ini setting for the duration of the test
770 * @param string $name Name of the setting
771 * @param string $value Value to set
774 protected function setIniSetting( $name, $value ) {
775 $original = ini_get( $name );
776 $this->iniSettings
[$name] = $original;
777 ini_set( $name, $value );
781 * Must be called whenever namespaces are changed, e.g., $wgExtraNamespaces is altered.
782 * Otherwise old namespace data will lurk and cause bugs.
784 private function resetNamespaces() {
785 if ( !$this->localServices
) {
786 throw new Exception( __METHOD__
. ' must be called after MediaWikiTestCase::run()' );
789 if ( $this->localServices
!== MediaWikiServices
::getInstance() ) {
790 throw new Exception( __METHOD__
. ' will not work because the global MediaWikiServices '
791 . 'instance has been replaced by test code.' );
794 Language
::clearCaches();
798 * Check if we can back up a value by performing a shallow copy.
799 * Values which fail this test are copied recursively.
801 * @param mixed $value
802 * @return bool True if a shallow copy will do; false if a deep copy
805 private static function canShallowCopy( $value ) {
806 if ( is_scalar( $value ) ||
$value === null ) {
809 if ( is_array( $value ) ) {
810 foreach ( $value as $subValue ) {
811 if ( !is_scalar( $subValue ) && $subValue !== null ) {
820 private function doStashMwGlobals( $globalKeys ) {
821 if ( is_string( $globalKeys ) ) {
822 $globalKeys = [ $globalKeys ];
825 foreach ( $globalKeys as $globalKey ) {
826 // NOTE: make sure we only save the global once or a second call to
827 // setMwGlobals() on the same global would override the original
830 !array_key_exists( $globalKey, $this->mwGlobals
) &&
831 !array_key_exists( $globalKey, $this->mwGlobalsToUnset
)
833 if ( !array_key_exists( $globalKey, $GLOBALS ) ) {
834 $this->mwGlobalsToUnset
[$globalKey] = $globalKey;
837 // NOTE: we serialize then unserialize the value in case it is an object
838 // this stops any objects being passed by reference. We could use clone
839 // and if is_object but this does account for objects within objects!
840 if ( self
::canShallowCopy( $GLOBALS[$globalKey] ) ) {
841 $this->mwGlobals
[$globalKey] = $GLOBALS[$globalKey];
843 // Many MediaWiki types are safe to clone. These are the
844 // ones that are most commonly stashed.
845 $GLOBALS[$globalKey] instanceof Language ||
846 $GLOBALS[$globalKey] instanceof User ||
847 $GLOBALS[$globalKey] instanceof FauxRequest
849 $this->mwGlobals
[$globalKey] = clone $GLOBALS[$globalKey];
850 } elseif ( $this->containsClosure( $GLOBALS[$globalKey] ) ) {
851 // Serializing Closure only gives a warning on HHVM while
852 // it throws an Exception on Zend.
853 // Workaround for https://github.com/facebook/hhvm/issues/6206
854 $this->mwGlobals
[$globalKey] = $GLOBALS[$globalKey];
857 $this->mwGlobals
[$globalKey] = unserialize( serialize( $GLOBALS[$globalKey] ) );
858 } catch ( Exception
$e ) {
859 $this->mwGlobals
[$globalKey] = $GLOBALS[$globalKey];
868 * @param int $maxDepth
872 private function containsClosure( $var, $maxDepth = 15 ) {
873 if ( $var instanceof Closure
) {
876 if ( !is_array( $var ) ||
$maxDepth === 0 ) {
880 foreach ( $var as $value ) {
881 if ( $this->containsClosure( $value, $maxDepth - 1 ) ) {
889 * Merges the given values into a MW global array variable.
890 * Useful for setting some entries in a configuration array, instead of
891 * setting the entire array.
893 * @param string $name The name of the global, as in wgFooBar
894 * @param array $values The array containing the entries to set in that global
896 * @throws MWException If the designated global is not an array.
898 * @note To allow changes to global variables to take effect on global service instances,
899 * call overrideMwServices().
903 protected function mergeMwGlobalArrayValue( $name, $values ) {
904 if ( !isset( $GLOBALS[$name] ) ) {
907 if ( !is_array( $GLOBALS[$name] ) ) {
908 throw new MWException( "MW global $name is not an array." );
911 // NOTE: do not use array_merge, it screws up for numeric keys.
912 $merged = $GLOBALS[$name];
913 foreach ( $values as $k => $v ) {
918 $this->setMwGlobals( $name, $merged );
922 * Stashes the global instance of MediaWikiServices, and installs a new one,
923 * allowing test cases to override settings and services.
924 * The previous instance of MediaWikiServices will be restored on tearDown.
928 * @param Config|null $configOverrides Configuration overrides for the new MediaWikiServices
930 * @param callable[] $services An associative array of services to re-define. Keys are service
931 * names, values are callables.
933 * @return MediaWikiServices
934 * @throws MWException
936 protected function overrideMwServices(
937 Config
$configOverrides = null, array $services = []
939 if ( $this->overriddenServices
) {
940 throw new MWException(
941 'The following services were set and are now being unset by overrideMwServices: ' .
942 implode( ', ', $this->overriddenServices
)
945 $newInstance = self
::installMockMwServices( $configOverrides );
947 if ( $this->localServices
) {
948 $this->localServices
->destroy();
951 $this->localServices
= $newInstance;
953 foreach ( $services as $name => $callback ) {
954 $newInstance->redefineService( $name, $callback );
961 * Creates a new "mock" MediaWikiServices instance, and installs it.
962 * This effectively resets all cached states in services, with the exception of
963 * the ConfigFactory and the DBLoadBalancerFactory service, which are inherited from
964 * the original MediaWikiServices.
966 * @note The new original MediaWikiServices instance can later be restored by calling
967 * restoreMwServices(). That original is determined by the first call to this method, or
968 * by setUpBeforeClass, whichever is called first. The caller is responsible for managing
969 * and, when appropriate, destroying any other MediaWikiServices instances that may get
970 * replaced when calling this method.
972 * @param Config|null $configOverrides Configuration overrides for the new MediaWikiServices
975 * @return MediaWikiServices the new mock service locator.
977 public static function installMockMwServices( Config
$configOverrides = null ) {
978 // Make sure we have the original service locator
979 if ( !self
::$originalServices ) {
980 self
::$originalServices = MediaWikiServices
::getInstance();
983 if ( !$configOverrides ) {
984 $configOverrides = new HashConfig();
987 $oldConfigFactory = self
::$originalServices->getConfigFactory();
988 $oldLoadBalancerFactory = self
::$originalServices->getDBLoadBalancerFactory();
990 $testConfig = self
::makeTestConfig( null, $configOverrides );
991 $newServices = new MediaWikiServices( $testConfig );
993 // Load the default wiring from the specified files.
994 // NOTE: this logic mirrors the logic in MediaWikiServices::newInstance.
995 $wiringFiles = $testConfig->get( 'ServiceWiringFiles' );
996 $newServices->loadWiringFiles( $wiringFiles );
998 // Provide a traditional hook point to allow extensions to configure services.
999 Hooks
::run( 'MediaWikiServices', [ $newServices ] );
1001 // Use bootstrap config for all configuration.
1002 // This allows config overrides via global variables to take effect.
1003 $bootstrapConfig = $newServices->getBootstrapConfig();
1004 $newServices->resetServiceForTesting( 'ConfigFactory' );
1005 $newServices->redefineService(
1007 self
::makeTestConfigFactoryInstantiator(
1009 [ 'main' => $bootstrapConfig ]
1012 $newServices->resetServiceForTesting( 'DBLoadBalancerFactory' );
1013 $newServices->redefineService(
1014 'DBLoadBalancerFactory',
1015 function ( MediaWikiServices
$services ) use ( $oldLoadBalancerFactory ) {
1016 return $oldLoadBalancerFactory;
1020 MediaWikiServices
::forceGlobalInstance( $newServices );
1021 return $newServices;
1025 * Restores the original, non-mock MediaWikiServices instance.
1026 * The previously active MediaWikiServices instance is destroyed,
1027 * if it is different from the original that is to be restored.
1029 * @note this if for internal use by test framework code. It should never be
1030 * called from inside a test case, a data provider, or a setUp or tearDown method.
1032 * @return bool true if the original service locator was restored,
1033 * false if there was nothing too do.
1035 public static function restoreMwServices() {
1036 if ( !self
::$originalServices ) {
1040 $currentServices = MediaWikiServices
::getInstance();
1042 if ( self
::$originalServices === $currentServices ) {
1046 MediaWikiServices
::forceGlobalInstance( self
::$originalServices );
1047 $currentServices->destroy();
1054 * @param string|Language $lang
1056 public function setUserLang( $lang ) {
1057 RequestContext
::getMain()->setLanguage( $lang );
1058 $this->setMwGlobals( 'wgLang', RequestContext
::getMain()->getLanguage() );
1063 * @param string|Language $lang
1065 public function setContentLang( $lang ) {
1066 if ( $lang instanceof Language
) {
1067 $this->setMwGlobals( 'wgLanguageCode', $lang->getCode() );
1068 // Set to the exact object requested
1069 $this->setService( 'ContentLanguage', $lang );
1071 $this->setMwGlobals( 'wgLanguageCode', $lang );
1072 // Let the service handler make up the object. Avoid calling setService(), because if
1073 // we do, overrideMwServices() will complain if it's called later on.
1074 $services = MediaWikiServices
::getInstance();
1075 $services->resetServiceForTesting( 'ContentLanguage' );
1076 $this->doSetMwGlobals( [ 'wgContLang' => $services->getContentLanguage() ] );
1081 * Alters $wgGroupPermissions for the duration of the test. Can be called
1082 * with an array, like
1083 * [ '*' => [ 'read' => false ], 'user' => [ 'read' => false ] ]
1084 * or three values to set a single permission, like
1085 * $this->setGroupPermissions( '*', 'read', false );
1088 * @param array|string $newPerms Either an array of permissions to change,
1089 * in which case the next two parameters are ignored; or a single string
1090 * identifying a group, to use with the next two parameters.
1091 * @param string|null $newKey
1092 * @param mixed|null $newValue
1094 public function setGroupPermissions( $newPerms, $newKey = null, $newValue = null ) {
1095 global $wgGroupPermissions;
1097 if ( is_string( $newPerms ) ) {
1098 $newPerms = [ $newPerms => [ $newKey => $newValue ] ];
1101 $newPermissions = $wgGroupPermissions;
1102 foreach ( $newPerms as $group => $permissions ) {
1103 foreach ( $permissions as $key => $value ) {
1104 $newPermissions[$group][$key] = $value;
1108 $this->setMwGlobals( 'wgGroupPermissions', $newPermissions );
1112 * Sets the logger for a specified channel, for the duration of the test.
1114 * @param string $channel
1115 * @param LoggerInterface $logger
1117 protected function setLogger( $channel, LoggerInterface
$logger ) {
1118 // TODO: Once loggers are managed by MediaWikiServices, use
1119 // overrideMwServices() to set loggers.
1121 $provider = LoggerFactory
::getProvider();
1122 $wrappedProvider = TestingAccessWrapper
::newFromObject( $provider );
1123 $singletons = $wrappedProvider->singletons
;
1124 if ( $provider instanceof MonologSpi
) {
1125 if ( !isset( $this->loggers
[$channel] ) ) {
1126 $this->loggers
[$channel] = $singletons['loggers'][$channel] ??
null;
1128 $singletons['loggers'][$channel] = $logger;
1129 } elseif ( $provider instanceof LegacySpi ||
$provider instanceof LogCapturingSpi
) {
1130 if ( !isset( $this->loggers
[$channel] ) ) {
1131 $this->loggers
[$channel] = $singletons[$channel] ??
null;
1133 $singletons[$channel] = $logger;
1135 throw new LogicException( __METHOD__
. ': setting a logger for ' . get_class( $provider )
1136 . ' is not implemented' );
1138 $wrappedProvider->singletons
= $singletons;
1142 * Restores loggers replaced by setLogger().
1145 private function restoreLoggers() {
1146 $provider = LoggerFactory
::getProvider();
1147 $wrappedProvider = TestingAccessWrapper
::newFromObject( $provider );
1148 $singletons = $wrappedProvider->singletons
;
1149 foreach ( $this->loggers
as $channel => $logger ) {
1150 if ( $provider instanceof MonologSpi
) {
1151 if ( $logger === null ) {
1152 unset( $singletons['loggers'][$channel] );
1154 $singletons['loggers'][$channel] = $logger;
1156 } elseif ( $provider instanceof LegacySpi ||
$provider instanceof LogCapturingSpi
) {
1157 if ( $logger === null ) {
1158 unset( $singletons[$channel] );
1160 $singletons[$channel] = $logger;
1164 $wrappedProvider->singletons
= $singletons;
1165 $this->loggers
= [];
1172 public function dbPrefix() {
1173 return self
::getTestPrefixFor( $this->db
);
1177 * @param IDatabase $db
1181 public static function getTestPrefixFor( IDatabase
$db ) {
1182 return $db->getType() == 'oracle' ? self
::ORA_DB_PREFIX
: self
::DB_PREFIX
;
1189 public function needsDB() {
1190 // If the test says it uses database tables, it needs the database
1191 return $this->tablesUsed ||
$this->isTestInDatabaseGroup();
1198 protected function isTestInDatabaseGroup() {
1199 // If the test class says it belongs to the Database group, it needs the database.
1200 // NOTE: This ONLY checks for the group in the class level doc comment.
1201 $rc = new ReflectionClass( $this );
1202 return (bool)preg_match( '/@group +Database/im', $rc->getDocComment() );
1206 * Insert a new page.
1208 * Should be called from addDBData().
1210 * @since 1.25 ($namespace in 1.28)
1211 * @param string|Title $pageName Page name or title
1212 * @param string $text Page's content
1213 * @param int|null $namespace Namespace id (name cannot already contain namespace)
1214 * @param User|null $user If null, static::getTestSysop()->getUser() is used.
1215 * @return array Title object and page id
1216 * @throws MWException If this test cases's needsDB() method doesn't return true.
1217 * Test cases can use "@group Database" to enable database test support,
1218 * or list the tables under testing in $this->tablesUsed, or override the
1221 protected function insertPage(
1223 $text = 'Sample page for unit test.',
1227 if ( !$this->needsDB() ) {
1228 throw new MWException( 'When testing which pages, the test cases\'s needsDB()' .
1229 ' method should return true. Use @group Database or $this->tablesUsed.' );
1232 if ( is_string( $pageName ) ) {
1233 $title = Title
::newFromText( $pageName, $namespace );
1239 $user = static::getTestSysop()->getUser();
1241 $comment = __METHOD__
. ': Sample page for unit test.';
1243 $page = WikiPage
::factory( $title );
1244 $page->doEditContent( ContentHandler
::makeContent( $text, $title ), $comment, 0, false, $user );
1248 'id' => $page->getId(),
1253 * Stub. If a test suite needs to add additional data to the database, it should
1254 * implement this method and do so. This method is called once per test suite
1255 * (i.e. once per class).
1257 * Note data added by this method may be removed by resetDB() depending on
1258 * the contents of $tablesUsed.
1260 * To add additional data between test function runs, override prepareDB().
1267 public function addDBDataOnce() {
1271 * Stub. Subclasses may override this to prepare the database.
1272 * Called before every test run (test function or data set).
1274 * @see addDBDataOnce()
1279 public function addDBData() {
1285 protected function addCoreDBData() {
1286 if ( $this->db
->getType() == 'oracle' ) {
1287 # Insert 0 user to prevent FK violations
1289 if ( !$this->db
->selectField( 'user', '1', [ 'user_id' => 0 ] ) ) {
1290 $this->db
->insert( 'user', [
1292 'user_name' => 'Anonymous' ], __METHOD__
, [ 'IGNORE' ] );
1295 # Insert 0 page to prevent FK violations
1297 if ( !$this->db
->selectField( 'page', '1', [ 'page_id' => 0 ] ) ) {
1298 $this->db
->insert( 'page', [
1300 'page_namespace' => 0,
1301 'page_title' => ' ',
1302 'page_restrictions' => null,
1303 'page_is_redirect' => 0,
1306 'page_touched' => $this->db
->timestamp(),
1308 'page_len' => 0 ], __METHOD__
, [ 'IGNORE' ] );
1312 SiteStatsInit
::doPlaceholderInit();
1314 User
::resetIdByNameCache();
1317 $user = static::getTestSysop()->getUser();
1319 // Make 1 page with 1 revision
1320 $page = WikiPage
::factory( Title
::newFromText( 'UTPage' ) );
1321 if ( $page->getId() == 0 ) {
1322 $page->doEditContent(
1323 new WikitextContent( 'UTContent' ),
1325 EDIT_NEW | EDIT_SUPPRESS_RC
,
1329 // an edit always attempt to purge backlink links such as history
1330 // pages. That is unnecessary.
1331 JobQueueGroup
::singleton()->get( 'htmlCacheUpdate' )->delete();
1332 // WikiPages::doEditUpdates randomly adds RC purges
1333 JobQueueGroup
::singleton()->get( 'recentChangesUpdate' )->delete();
1335 // doEditContent() probably started the session via
1336 // User::loadFromSession(). Close it now.
1337 if ( session_id() !== '' ) {
1338 session_write_close();
1345 * Restores MediaWiki to using the table set (table prefix) it was using before
1346 * setupTestDB() was called. Useful if we need to perform database operations
1347 * after the test run has finished (such as saving logs or profiling info).
1349 * This is called by phpunit/bootstrap.php after the last test.
1353 public static function teardownTestDB() {
1354 global $wgJobClasses;
1356 if ( !self
::$dbSetup ) {
1360 Hooks
::run( 'UnitTestsBeforeDatabaseTeardown' );
1362 foreach ( $wgJobClasses as $type => $class ) {
1363 // Delete any jobs under the clone DB (or old prefix in other stores)
1364 JobQueueGroup
::singleton()->get( $type )->delete();
1367 // T219673: close any connections from code that failed to call reuseConnection()
1368 // or is still holding onto a DBConnRef instance (e.g. in a singleton).
1369 MediaWikiServices
::getInstance()->getDBLoadBalancerFactory()->closeAll();
1370 CloneDatabase
::changePrefix( self
::$oldTablePrefix );
1372 self
::$oldTablePrefix = false;
1373 self
::$dbSetup = false;
1377 * Setups a database with cloned tables using the given prefix.
1379 * If reuseDB is true and certain conditions apply, it will just change the prefix.
1380 * Otherwise, it will clone the tables and change the prefix.
1382 * @param IMaintainableDatabase $db Database to use
1383 * @param string|null $prefix Prefix to use for test tables. If not given, the prefix is determined
1384 * automatically for $db.
1385 * @return bool True if tables were cloned, false if only the prefix was changed
1387 protected static function setupDatabaseWithTestPrefix(
1388 IMaintainableDatabase
$db,
1391 if ( $prefix === null ) {
1392 $prefix = self
::getTestPrefixFor( $db );
1395 if ( ( $db->getType() == 'oracle' ||
!self
::$useTemporaryTables ) && self
::$reuseDB ) {
1396 $db->tablePrefix( $prefix );
1400 if ( !isset( $db->_originalTablePrefix
) ) {
1401 $oldPrefix = $db->tablePrefix();
1403 if ( $oldPrefix === $prefix ) {
1404 // table already has the correct prefix, but presumably no cloned tables
1405 $oldPrefix = self
::$oldTablePrefix;
1408 $db->tablePrefix( $oldPrefix );
1409 $tablesCloned = self
::listTables( $db );
1410 $dbClone = new CloneDatabase( $db, $tablesCloned, $prefix, $oldPrefix );
1411 $dbClone->useTemporaryTables( self
::$useTemporaryTables );
1413 $dbClone->cloneTableStructure();
1415 $db->tablePrefix( $prefix );
1416 $db->_originalTablePrefix
= $oldPrefix;
1423 * Set up all test DBs
1425 public function setupAllTestDBs() {
1428 self
::$oldTablePrefix = $wgDBprefix;
1430 $testPrefix = $this->dbPrefix();
1432 // switch to a temporary clone of the database
1433 self
::setupTestDB( $this->db
, $testPrefix );
1435 if ( self
::isUsingExternalStoreDB() ) {
1436 self
::setupExternalStoreTestDBs( $testPrefix );
1439 // NOTE: Change the prefix in the LBFactory and $wgDBprefix, to prevent
1440 // *any* database connections to operate on live data.
1441 CloneDatabase
::changePrefix( $testPrefix );
1445 * Creates an empty skeleton of the wiki database by cloning its structure
1446 * to equivalent tables using the given $prefix. Then sets MediaWiki to
1447 * use the new set of tables (aka schema) instead of the original set.
1449 * This is used to generate a dummy table set, typically consisting of temporary
1450 * tables, that will be used by tests instead of the original wiki database tables.
1454 * @note the original table prefix is stored in self::$oldTablePrefix. This is used
1455 * by teardownTestDB() to return the wiki to using the original table set.
1457 * @note this method only works when first called. Subsequent calls have no effect,
1458 * even if using different parameters.
1460 * @param IMaintainableDatabase $db The database connection
1461 * @param string $prefix The prefix to use for the new table set (aka schema).
1463 * @throws MWException If the database table prefix is already $prefix
1465 public static function setupTestDB( IMaintainableDatabase
$db, $prefix ) {
1466 if ( self
::$dbSetup ) {
1470 if ( $db->tablePrefix() === $prefix ) {
1471 throw new MWException(
1472 'Cannot run unit tests, the database prefix is already "' . $prefix . '"' );
1475 // TODO: the below should be re-written as soon as LBFactory, LoadBalancer,
1476 // and Database no longer use global state.
1478 self
::$dbSetup = true;
1480 if ( !self
::setupDatabaseWithTestPrefix( $db, $prefix ) ) {
1484 // Assuming this isn't needed for External Store database, and not sure if the procedure
1485 // would be available there.
1486 if ( $db->getType() == 'oracle' ) {
1487 $db->query( 'BEGIN FILL_WIKI_INFO; END;', __METHOD__
);
1490 Hooks
::run( 'UnitTestsAfterDatabaseSetup', [ $db, $prefix ] );
1494 * Clones the External Store database(s) for testing
1496 * @param string|null $testPrefix Prefix for test tables. Will be determined automatically
1499 protected static function setupExternalStoreTestDBs( $testPrefix = null ) {
1500 $connections = self
::getExternalStoreDatabaseConnections();
1501 foreach ( $connections as $dbw ) {
1502 self
::setupDatabaseWithTestPrefix( $dbw, $testPrefix );
1507 * Gets master database connections for all of the ExternalStoreDB
1508 * stores configured in $wgDefaultExternalStore.
1510 * @return Database[] Array of Database master connections
1512 protected static function getExternalStoreDatabaseConnections() {
1513 global $wgDefaultExternalStore;
1515 /** @var ExternalStoreDB $externalStoreDB */
1516 $externalStoreDB = ExternalStore
::getStoreObject( 'DB' );
1517 $defaultArray = (array)$wgDefaultExternalStore;
1519 foreach ( $defaultArray as $url ) {
1520 if ( strpos( $url, 'DB://' ) === 0 ) {
1521 list( $proto, $cluster ) = explode( '://', $url, 2 );
1522 // Avoid getMaster() because setupDatabaseWithTestPrefix()
1523 // requires Database instead of plain DBConnRef/IDatabase
1524 $dbws[] = $externalStoreDB->getMaster( $cluster );
1532 * Check whether ExternalStoreDB is being used
1534 * @return bool True if it's being used
1536 protected static function isUsingExternalStoreDB() {
1537 global $wgDefaultExternalStore;
1538 if ( !$wgDefaultExternalStore ) {
1542 $defaultArray = (array)$wgDefaultExternalStore;
1543 foreach ( $defaultArray as $url ) {
1544 if ( strpos( $url, 'DB://' ) === 0 ) {
1553 * @throws LogicException if the given database connection is not a set up to use
1556 * @since 1.31 this is no longer private.
1558 protected function ensureMockDatabaseConnection( IDatabase
$db ) {
1559 if ( $db->tablePrefix() !== $this->dbPrefix() ) {
1560 throw new LogicException(
1561 'Trying to delete mock tables, but table prefix does not indicate a mock database.'
1566 private static $schemaOverrideDefaults = [
1574 * Stub. If a test suite needs to test against a specific database schema, it should
1575 * override this method and return the appropriate information from it.
1577 * @param IMaintainableDatabase $db The DB connection to use for the mock schema.
1578 * May be used to check the current state of the schema, to determine what
1579 * overrides are needed.
1581 * @return array An associative array with the following fields:
1582 * - 'scripts': any SQL scripts to run. If empty or not present, schema overrides are skipped.
1583 * - 'create': A list of tables created (may or may not exist in the original schema).
1584 * - 'drop': A list of tables dropped (expected to be present in the original schema).
1585 * - 'alter': A list of tables altered (expected to be present in the original schema).
1587 protected function getSchemaOverrides( IMaintainableDatabase
$db ) {
1592 * Undoes the specified schema overrides..
1593 * Called once per test class, just before addDataOnce().
1595 * @param IMaintainableDatabase $db
1596 * @param array $oldOverrides
1598 private function undoSchemaOverrides( IMaintainableDatabase
$db, $oldOverrides ) {
1599 $this->ensureMockDatabaseConnection( $db );
1601 $oldOverrides = $oldOverrides + self
::$schemaOverrideDefaults;
1602 $originalTables = $this->listOriginalTables( $db );
1604 // Drop tables that need to be restored or removed.
1605 $tablesToDrop = array_merge( $oldOverrides['create'], $oldOverrides['alter'] );
1607 // Restore tables that have been dropped or created or altered,
1608 // if they exist in the original schema.
1609 $tablesToRestore = array_merge( $tablesToDrop, $oldOverrides['drop'] );
1610 $tablesToRestore = array_intersect( $originalTables, $tablesToRestore );
1612 if ( $tablesToDrop ) {
1613 $this->dropMockTables( $db, $tablesToDrop );
1616 if ( $tablesToRestore ) {
1617 $this->recloneMockTables( $db, $tablesToRestore );
1619 // Reset the restored tables, mainly for the side effect of
1620 // re-calling $this->addCoreDBData() if necessary.
1621 $this->resetDB( $db, $tablesToRestore );
1626 * Applies the schema overrides returned by getSchemaOverrides(),
1627 * after undoing any previously applied schema overrides.
1628 * Called once per test class, just before addDataOnce().
1630 private function setUpSchema( IMaintainableDatabase
$db ) {
1631 // Undo any active overrides.
1632 $oldOverrides = $db->_schemaOverrides ?? self
::$schemaOverrideDefaults;
1634 if ( $oldOverrides['alter'] ||
$oldOverrides['create'] ||
$oldOverrides['drop'] ) {
1635 $this->undoSchemaOverrides( $db, $oldOverrides );
1636 unset( $db->_schemaOverrides
);
1639 // Determine new overrides.
1640 $overrides = $this->getSchemaOverrides( $db ) + self
::$schemaOverrideDefaults;
1642 $extraKeys = array_diff(
1643 array_keys( $overrides ),
1644 array_keys( self
::$schemaOverrideDefaults )
1648 throw new InvalidArgumentException(
1649 'Schema override contains extra keys: ' . var_export( $extraKeys, true )
1653 if ( !$overrides['scripts'] ) {
1654 // no scripts to run
1658 if ( !$overrides['create'] && !$overrides['drop'] && !$overrides['alter'] ) {
1659 throw new InvalidArgumentException(
1660 'Schema override scripts given, but no tables are declared to be '
1661 . 'created, dropped or altered.'
1665 $this->ensureMockDatabaseConnection( $db );
1667 // Drop the tables that will be created by the schema scripts.
1668 $originalTables = $this->listOriginalTables( $db );
1669 $tablesToDrop = array_intersect( $originalTables, $overrides['create'] );
1671 if ( $tablesToDrop ) {
1672 $this->dropMockTables( $db, $tablesToDrop );
1675 // Run schema override scripts.
1676 foreach ( $overrides['scripts'] as $script ) {
1683 return $this->mungeSchemaUpdateQuery( $cmd );
1688 $db->_schemaOverrides
= $overrides;
1691 private function mungeSchemaUpdateQuery( $cmd ) {
1692 return self
::$useTemporaryTables
1693 ?
preg_replace( '/\bCREATE\s+TABLE\b/i', 'CREATE TEMPORARY TABLE', $cmd )
1698 * Drops the given mock tables.
1700 * @param IMaintainableDatabase $db
1701 * @param array $tables
1703 private function dropMockTables( IMaintainableDatabase
$db, array $tables ) {
1704 $this->ensureMockDatabaseConnection( $db );
1706 foreach ( $tables as $tbl ) {
1707 $tbl = $db->tableName( $tbl );
1708 $db->query( "DROP TABLE IF EXISTS $tbl", __METHOD__
);
1713 * Lists all tables in the live database schema, without a prefix.
1715 * @param IMaintainableDatabase $db
1718 private function listOriginalTables( IMaintainableDatabase
$db ) {
1719 if ( !isset( $db->_originalTablePrefix
) ) {
1720 throw new LogicException( 'No original table prefix know, cannot list tables!' );
1723 $originalTables = $db->listTables( $db->_originalTablePrefix
, __METHOD__
);
1725 $unittestPrefixRegex = '/^' . preg_quote( $this->dbPrefix(), '/' ) . '/';
1726 $originalPrefixRegex = '/^' . preg_quote( $db->_originalTablePrefix
, '/' ) . '/';
1728 $originalTables = array_filter(
1730 function ( $pt ) use ( $unittestPrefixRegex ) {
1731 return !preg_match( $unittestPrefixRegex, $pt );
1735 $originalTables = array_map(
1736 function ( $pt ) use ( $originalPrefixRegex ) {
1737 return preg_replace( $originalPrefixRegex, '', $pt );
1742 return array_unique( $originalTables );
1746 * Re-clones the given mock tables to restore them based on the live database schema.
1747 * The tables listed in $tables are expected to currently not exist, so dropMockTables()
1748 * should be called first.
1750 * @param IMaintainableDatabase $db
1751 * @param array $tables
1753 private function recloneMockTables( IMaintainableDatabase
$db, array $tables ) {
1754 $this->ensureMockDatabaseConnection( $db );
1756 if ( !isset( $db->_originalTablePrefix
) ) {
1757 throw new LogicException( 'No original table prefix know, cannot restore tables!' );
1760 $originalTables = $this->listOriginalTables( $db );
1761 $tables = array_intersect( $tables, $originalTables );
1763 $dbClone = new CloneDatabase( $db, $tables, $db->tablePrefix(), $db->_originalTablePrefix
);
1764 $dbClone->useTemporaryTables( self
::$useTemporaryTables );
1766 $dbClone->cloneTableStructure();
1770 * Empty all tables so they can be repopulated for tests
1772 * @param Database $db|null Database to reset
1773 * @param array $tablesUsed Tables to reset
1775 private function resetDB( $db, $tablesUsed ) {
1777 $userTables = [ 'user', 'user_groups', 'user_properties', 'actor' ];
1779 'page', 'revision', 'ip_changes', 'revision_comment_temp', 'comment', 'archive',
1780 'revision_actor_temp', 'slots', 'content', 'content_models', 'slot_roles',
1782 $coreDBDataTables = array_merge( $userTables, $pageTables );
1784 // If any of the user or page tables were marked as used, we should clear all of them.
1785 if ( array_intersect( $tablesUsed, $userTables ) ) {
1786 $tablesUsed = array_unique( array_merge( $tablesUsed, $userTables ) );
1787 TestUserRegistry
::clear();
1789 // Reset $wgUser, which is probably 127.0.0.1, as its loaded data is probably not valid
1790 // @todo Should we start setting $wgUser to something nondeterministic
1791 // to encourage tests to be updated to not depend on it?
1793 $wgUser->clearInstanceCache( $wgUser->mFrom
);
1795 if ( array_intersect( $tablesUsed, $pageTables ) ) {
1796 $tablesUsed = array_unique( array_merge( $tablesUsed, $pageTables ) );
1799 // Postgres, Oracle, and MSSQL all use mwuser/pagecontent
1800 // instead of user/text. But Postgres does not remap the
1801 // table name in tableExists(), so we mark the real table
1802 // names as being used.
1803 if ( $db->getType() === 'postgres' ) {
1804 if ( in_array( 'user', $tablesUsed ) ) {
1805 $tablesUsed[] = 'mwuser';
1807 if ( in_array( 'text', $tablesUsed ) ) {
1808 $tablesUsed[] = 'pagecontent';
1812 foreach ( $tablesUsed as $tbl ) {
1813 $this->truncateTable( $tbl, $db );
1816 if ( array_intersect( $tablesUsed, $coreDBDataTables ) ) {
1817 // Reset services that may contain information relating to the truncated tables
1818 $this->overrideMwServices();
1819 // Re-add core DB data that was deleted
1820 $this->addCoreDBData();
1826 * Empties the given table and resets any auto-increment counters.
1827 * Will also purge caches associated with some well known tables.
1828 * If the table is not know, this method just returns.
1830 * @param string $tableName
1831 * @param IDatabase|null $db
1833 protected function truncateTable( $tableName, IDatabase
$db = null ) {
1838 if ( !$db->tableExists( $tableName ) ) {
1842 $truncate = in_array( $db->getType(), [ 'oracle', 'mysql' ] );
1845 $db->query( 'TRUNCATE TABLE ' . $db->tableName( $tableName ), __METHOD__
);
1847 $db->delete( $tableName, '*', __METHOD__
);
1850 if ( $db instanceof DatabasePostgres ||
$db instanceof DatabaseSqlite
) {
1851 // Reset the table's sequence too.
1852 $db->resetSequenceForTable( $tableName, __METHOD__
);
1855 // re-initialize site_stats table
1856 if ( $tableName === 'site_stats' ) {
1857 SiteStatsInit
::doPlaceholderInit();
1861 private static function unprefixTable( &$tableName, $ind, $prefix ) {
1862 $tableName = substr( $tableName, strlen( $prefix ) );
1865 private static function isNotUnittest( $table ) {
1866 return strpos( $table, self
::DB_PREFIX
) !== 0;
1872 * @param IMaintainableDatabase $db
1876 public static function listTables( IMaintainableDatabase
$db ) {
1877 $prefix = $db->tablePrefix();
1878 $tables = $db->listTables( $prefix, __METHOD__
);
1880 if ( $db->getType() === 'mysql' ) {
1881 static $viewListCache = null;
1882 if ( $viewListCache === null ) {
1883 $viewListCache = $db->listViews( null, __METHOD__
);
1885 // T45571: cannot clone VIEWs under MySQL
1886 $tables = array_diff( $tables, $viewListCache );
1888 array_walk( $tables, [ __CLASS__
, 'unprefixTable' ], $prefix );
1890 // Don't duplicate test tables from the previous fataled run
1891 $tables = array_filter( $tables, [ __CLASS__
, 'isNotUnittest' ] );
1893 if ( $db->getType() == 'sqlite' ) {
1894 $tables = array_flip( $tables );
1895 // these are subtables of searchindex and don't need to be duped/dropped separately
1896 unset( $tables['searchindex_content'] );
1897 unset( $tables['searchindex_segdir'] );
1898 unset( $tables['searchindex_segments'] );
1899 $tables = array_flip( $tables );
1906 * Copy test data from one database connection to another.
1908 * This should only be used for small data sets.
1910 * @param IDatabase $source
1911 * @param IDatabase $target
1913 public function copyTestData( IDatabase
$source, IDatabase
$target ) {
1914 if ( $this->db
->getType() === 'sqlite' ) {
1915 // SQLite uses a non-temporary copy of the searchindex table for testing,
1916 // which gets deleted and re-created when setting up the secondary connection,
1917 // causing "Error 17" when trying to copy the data. See T191863#4130112.
1918 throw new RuntimeException(
1919 'Setting up a secondary database connection with test data is currently not'
1920 . 'with SQLite. You may want to use markTestSkippedIfDbType() to bypass this issue.'
1924 $tables = self
::listOriginalTables( $source );
1926 foreach ( $tables as $table ) {
1927 $res = $source->select( $table, '*', [], __METHOD__
);
1930 foreach ( $res as $row ) {
1931 $allRows[] = (array)$row;
1934 $target->insert( $table, $allRows, __METHOD__
, [ 'IGNORE' ] );
1939 * @throws MWException
1942 protected function checkDbIsSupported() {
1943 if ( !in_array( $this->db
->getType(), $this->supportedDBs
) ) {
1944 throw new MWException( $this->db
->getType() . " is not currently supported for unit testing." );
1950 * @param string $offset
1953 public function getCliArg( $offset ) {
1954 return $this->cliArgs
[$offset] ??
null;
1959 * @param string $offset
1960 * @param mixed $value
1962 public function setCliArg( $offset, $value ) {
1963 $this->cliArgs
[$offset] = $value;
1967 * Don't throw a warning if $function is deprecated and called later
1971 * @param string $function
1973 public function hideDeprecated( $function ) {
1974 Wikimedia\
suppressWarnings();
1975 wfDeprecated( $function );
1976 Wikimedia\restoreWarnings
();
1980 * Asserts that the given database query yields the rows given by $expectedRows.
1981 * The expected rows should be given as indexed (not associative) arrays, with
1982 * the values given in the order of the columns in the $fields parameter.
1983 * Note that the rows are sorted by the columns given in $fields.
1987 * @param string|array $table The table(s) to query
1988 * @param string|array $fields The columns to include in the result (and to sort by)
1989 * @param string|array $condition "where" condition(s)
1990 * @param array $expectedRows An array of arrays giving the expected rows.
1991 * @param array $options Options for the query
1992 * @param array $join_conds Join conditions for the query
1994 * @throws MWException If this test cases's needsDB() method doesn't return true.
1995 * Test cases can use "@group Database" to enable database test support,
1996 * or list the tables under testing in $this->tablesUsed, or override the
1999 protected function assertSelect(
2000 $table, $fields, $condition, array $expectedRows, array $options = [], array $join_conds = []
2002 if ( !$this->needsDB() ) {
2003 throw new MWException( 'When testing database state, the test cases\'s needDB()' .
2004 ' method should return true. Use @group Database or $this->tablesUsed.' );
2007 $db = wfGetDB( DB_REPLICA
);
2014 $options +
[ 'ORDER BY' => $fields ],
2017 $this->assertNotEmpty( $res, "query failed: " . $db->lastError() );
2021 foreach ( $expectedRows as $expected ) {
2022 $r = $res->fetchRow();
2023 self
::stripStringKeys( $r );
2026 $this->assertNotEmpty( $r, "row #$i missing" );
2028 $this->assertEquals( $expected, $r, "row #$i mismatches" );
2031 $r = $res->fetchRow();
2032 self
::stripStringKeys( $r );
2034 $this->assertFalse( $r, "found extra row (after #$i)" );
2038 * Utility method taking an array of elements and wrapping
2039 * each element in its own array. Useful for data providers
2040 * that only return a single argument.
2044 * @param array $elements
2048 protected function arrayWrap( array $elements ) {
2050 function ( $element ) {
2051 return [ $element ];
2058 * Assert that two arrays are equal. By default this means that both arrays need to hold
2059 * the same set of values. Using additional arguments, order and associated key can also
2060 * be set as relevant.
2064 * @param array $expected
2065 * @param array $actual
2066 * @param bool $ordered If the order of the values should match
2067 * @param bool $named If the keys should match
2069 protected function assertArrayEquals( array $expected, array $actual,
2070 $ordered = false, $named = false
2073 $this->objectAssociativeSort( $expected );
2074 $this->objectAssociativeSort( $actual );
2078 $expected = array_values( $expected );
2079 $actual = array_values( $actual );
2082 call_user_func_array(
2083 [ $this, 'assertEquals' ],
2084 array_merge( [ $expected, $actual ], array_slice( func_get_args(), 4 ) )
2089 * Put each HTML element on its own line and then equals() the results
2091 * Use for nicely formatting of PHPUnit diff output when comparing very
2096 * @param string $expected HTML on oneline
2097 * @param string $actual HTML on oneline
2098 * @param string $msg Optional message
2100 protected function assertHTMLEquals( $expected, $actual, $msg = '' ) {
2101 $expected = str_replace( '>', ">\n", $expected );
2102 $actual = str_replace( '>', ">\n", $actual );
2104 $this->assertEquals( $expected, $actual, $msg );
2108 * Does an associative sort that works for objects.
2112 * @param array &$array
2114 protected function objectAssociativeSort( array &$array ) {
2117 function ( $a, $b ) {
2118 return serialize( $a ) <=> serialize( $b );
2124 * Utility function for eliminating all string keys from an array.
2125 * Useful to turn a database result row as returned by fetchRow() into
2126 * a pure indexed array.
2130 * @param mixed &$r The array to remove string keys from.
2132 protected static function stripStringKeys( &$r ) {
2133 if ( !is_array( $r ) ) {
2137 foreach ( $r as $k => $v ) {
2138 if ( is_string( $k ) ) {
2145 * Asserts that the provided variable is of the specified
2146 * internal type or equals the $value argument. This is useful
2147 * for testing return types of functions that return a certain
2148 * type or *value* when not set or on error.
2152 * @param string $type
2153 * @param mixed $actual
2154 * @param mixed $value
2155 * @param string $message
2157 protected function assertTypeOrValue( $type, $actual, $value = false, $message = '' ) {
2158 if ( $actual === $value ) {
2159 $this->assertTrue( true, $message );
2161 $this->assertType( $type, $actual, $message );
2166 * Asserts the type of the provided value. This can be either
2167 * in internal type such as boolean or integer, or a class or
2168 * interface the value extends or implements.
2172 * @param string $type
2173 * @param mixed $actual
2174 * @param string $message
2176 protected function assertType( $type, $actual, $message = '' ) {
2177 if ( class_exists( $type ) ||
interface_exists( $type ) ) {
2178 $this->assertInstanceOf( $type, $actual, $message );
2180 $this->assertInternalType( $type, $actual, $message );
2185 * Returns true if the given namespace defaults to Wikitext
2186 * according to $wgNamespaceContentModels
2188 * @param int $ns The namespace ID to check
2193 protected function isWikitextNS( $ns ) {
2194 global $wgNamespaceContentModels;
2196 if ( isset( $wgNamespaceContentModels[$ns] ) ) {
2197 return $wgNamespaceContentModels[$ns] === CONTENT_MODEL_WIKITEXT
;
2204 * Returns the ID of a namespace that defaults to Wikitext.
2206 * @throws MWException If there is none.
2207 * @return int The ID of the wikitext Namespace
2210 protected function getDefaultWikitextNS() {
2211 global $wgNamespaceContentModels;
2213 static $wikitextNS = null; // this is not going to change
2214 if ( $wikitextNS !== null ) {
2218 // quickly short out on most common case:
2219 if ( !isset( $wgNamespaceContentModels[NS_MAIN
] ) ) {
2223 // NOTE: prefer content namespaces
2224 $nsInfo = MediaWikiServices
::getInstance()->getNamespaceInfo();
2225 $namespaces = array_unique( array_merge(
2226 $nsInfo->getContentNamespaces(),
2227 [ NS_MAIN
, NS_HELP
, NS_PROJECT
], // prefer these
2228 $nsInfo->getValidNamespaces()
2231 $namespaces = array_diff( $namespaces, [
2232 NS_FILE
, NS_CATEGORY
, NS_MEDIAWIKI
, NS_USER
// don't mess with magic namespaces
2235 $talk = array_filter( $namespaces, function ( $ns ) use ( $nsInfo ) {
2236 return $nsInfo->isTalk( $ns );
2239 // prefer non-talk pages
2240 $namespaces = array_diff( $namespaces, $talk );
2241 $namespaces = array_merge( $namespaces, $talk );
2243 // check default content model of each namespace
2244 foreach ( $namespaces as $ns ) {
2245 if ( !isset( $wgNamespaceContentModels[$ns] ) ||
2246 $wgNamespaceContentModels[$ns] === CONTENT_MODEL_WIKITEXT
2255 // @todo Inside a test, we could skip the test as incomplete.
2256 // But frequently, this is used in fixture setup.
2257 throw new MWException( "No namespace defaults to wikitext!" );
2261 * Check, if $wgDiff3 is set and ready to merge
2262 * Will mark the calling test as skipped, if not ready
2266 protected function markTestSkippedIfNoDiff3() {
2269 # This check may also protect against code injection in
2270 # case of broken installations.
2271 Wikimedia\
suppressWarnings();
2272 $haveDiff3 = $wgDiff3 && file_exists( $wgDiff3 );
2273 Wikimedia\restoreWarnings
();
2275 if ( !$haveDiff3 ) {
2276 $this->markTestSkipped( "Skip test, since diff3 is not configured" );
2281 * Check if $extName is a loaded PHP extension, will skip the
2282 * test whenever it is not loaded.
2285 * @param string $extName
2288 protected function checkPHPExtension( $extName ) {
2289 $loaded = extension_loaded( $extName );
2291 $this->markTestSkipped( "PHP extension '$extName' is not loaded, skipping." );
2298 * Skip the test if using the specified database type
2300 * @param string $type Database type
2303 protected function markTestSkippedIfDbType( $type ) {
2304 if ( $this->db
->getType() === $type ) {
2305 $this->markTestSkipped( "The $type database type isn't supported for this test" );
2310 * Used as a marker to prevent wfResetOutputBuffers from breaking PHPUnit.
2311 * @param string $buffer
2314 public static function wfResetOutputBuffersBarrier( $buffer ) {
2319 * Create a temporary hook handler which will be reset by tearDown.
2320 * This replaces other handlers for the same hook.
2321 * @param string $hookName Hook name
2322 * @param mixed $handler Value suitable for a hook handler
2325 protected function setTemporaryHook( $hookName, $handler ) {
2326 $this->mergeMwGlobalArrayValue( 'wgHooks', [ $hookName => [ $handler ] ] );
2330 * Check whether file contains given data.
2331 * @param string $fileName
2332 * @param string $actualData
2333 * @param bool $createIfMissing If true, and file does not exist, create it with given data
2334 * and skip the test.
2335 * @param string $msg
2338 protected function assertFileContains(
2341 $createIfMissing = false,
2344 if ( $createIfMissing ) {
2345 if ( !file_exists( $fileName ) ) {
2346 file_put_contents( $fileName, $actualData );
2347 $this->markTestSkipped( "Data file $fileName does not exist" );
2350 self
::assertFileExists( $fileName );
2352 self
::assertEquals( file_get_contents( $fileName ), $actualData, $msg );
2356 * Edits or creates a page/revision
2357 * @param string $pageName Page title
2358 * @param string $text Content of the page
2359 * @param string $summary Optional summary string for the revision
2360 * @param int $defaultNs Optional namespace id
2361 * @return Status Object as returned by WikiPage::doEditContent()
2362 * @throws MWException If this test cases's needsDB() method doesn't return true.
2363 * Test cases can use "@group Database" to enable database test support,
2364 * or list the tables under testing in $this->tablesUsed, or override the
2367 protected function editPage( $pageName, $text, $summary = '', $defaultNs = NS_MAIN
) {
2368 if ( !$this->needsDB() ) {
2369 throw new MWException( 'When testing which pages, the test cases\'s needsDB()' .
2370 ' method should return true. Use @group Database or $this->tablesUsed.' );
2373 $title = Title
::newFromText( $pageName, $defaultNs );
2374 $page = WikiPage
::factory( $title );
2376 return $page->doEditContent( ContentHandler
::makeContent( $text, $title ), $summary );
2380 * Revision-deletes a revision.
2382 * @param Revision|int $rev Revision to delete
2383 * @param array $value Keys are Revision::DELETED_* flags. Values are 1 to set the bit, 0 to
2384 * clear, -1 to leave alone. (All other values also clear the bit.)
2385 * @param string $comment Deletion comment
2387 protected function revisionDelete(
2388 $rev, array $value = [ Revision
::DELETED_TEXT
=> 1 ], $comment = ''
2390 if ( is_int( $rev ) ) {
2391 $rev = Revision
::newFromId( $rev );
2393 RevisionDeleter
::createList(
2394 'revision', RequestContext
::getMain(), $rev->getTitle(), [ $rev->getId() ]
2397 'comment' => $comment,
2402 * Returns a PHPUnit constraint that matches anything other than a fixed set of values. This can
2403 * be used to whitelist values, e.g.
2404 * $mock->expects( $this->never() )->method( $this->anythingBut( 'foo', 'bar' ) );
2405 * which will throw if any unexpected method is called.
2407 * @param mixed ...$values Values that are not matched
2409 protected function anythingBut( ...$values ) {
2410 return $this->logicalNot( $this->logicalOr(
2411 ...array_map( [ $this, 'matches' ], $values )