3 use MediaWiki\Logger\LegacySpi
;
4 use MediaWiki\Logger\LoggerFactory
;
5 use MediaWiki\Logger\MonologSpi
;
6 use MediaWiki\MediaWikiServices
;
7 use Psr\Log\LoggerInterface
;
8 use Wikimedia\Rdbms\IDatabase
;
9 use Wikimedia\Rdbms\IMaintainableDatabase
;
10 use Wikimedia\Rdbms\Database
;
11 use Wikimedia\Rdbms\LBFactory
;
12 use Wikimedia\TestingAccessWrapper
;
17 abstract class MediaWikiTestCase
extends PHPUnit\Framework\TestCase
{
19 use MediaWikiCoversValidator
;
20 use PHPUnit4And6Compat
;
23 * The service locator created by prepareServices(). This service locator will
24 * be restored after each test. Tests that pollute the global service locator
25 * instance should use overrideMwServices() to isolate the test.
27 * @var MediaWikiServices|null
29 private static $serviceLocator = null;
32 * $called tracks whether the setUp and tearDown method has been called.
33 * class extending MediaWikiTestCase usually override setUp and tearDown
34 * but forget to call the parent.
36 * The array format takes a method name as key and anything as a value.
37 * By asserting the key exist, we know the child class has called the
40 * This property must be private, we do not want child to override it,
41 * they should call the appropriate parent method instead.
63 protected $tablesUsed = []; // tables with data
65 private static $useTemporaryTables = true;
66 private static $reuseDB = false;
67 private static $dbSetup = false;
68 private static $oldTablePrefix = '';
71 * Original value of PHP's error_reporting setting.
75 private $phpErrorLevel;
78 * Holds the paths of temporary files/directories created through getNewTempFile,
79 * and getNewTempDirectory
83 private $tmpFiles = [];
86 * Holds original values of MediaWiki configuration settings
87 * to be restored in tearDown().
88 * See also setMwGlobals().
91 private $mwGlobals = [];
94 * Holds list of MediaWiki configuration settings to be unset in tearDown().
95 * See also setMwGlobals().
98 private $mwGlobalsToUnset = [];
101 * Holds original loggers which have been replaced by setLogger()
102 * @var LoggerInterface[]
104 private $loggers = [];
107 * Table name prefixes. Oracle likes it shorter.
109 const DB_PREFIX
= 'unittest_';
110 const ORA_DB_PREFIX
= 'ut_';
116 protected $supportedDBs = [
123 public function __construct( $name = null, array $data = [], $dataName = '' ) {
124 parent
::__construct( $name, $data, $dataName );
126 $this->backupGlobals
= false;
127 $this->backupStaticAttributes
= false;
130 public function __destruct() {
131 // Complain if self::setUp() was called, but not self::tearDown()
132 // $this->called['setUp'] will be checked by self::testMediaWikiTestCaseParentSetupCalled()
133 if ( isset( $this->called
['setUp'] ) && !isset( $this->called
['tearDown'] ) ) {
134 throw new MWException( static::class . "::tearDown() must call parent::tearDown()" );
138 public static function setUpBeforeClass() {
139 parent
::setUpBeforeClass();
141 // Get the service locator, and reset services if it's not done already
142 self
::$serviceLocator = self
::prepareServices( new GlobalVarConfig() );
146 * Convenience method for getting an immutable test user
150 * @param string[] $groups Groups the test user should be in.
153 public static function getTestUser( $groups = [] ) {
154 return TestUserRegistry
::getImmutableTestUser( $groups );
158 * Convenience method for getting a mutable test user
162 * @param string[] $groups Groups the test user should be added in.
165 public static function getMutableTestUser( $groups = [] ) {
166 return TestUserRegistry
::getMutableTestUser( __CLASS__
, $groups );
170 * Convenience method for getting an immutable admin test user
174 * @param string[] $groups Groups the test user should be added to.
177 public static function getTestSysop() {
178 return self
::getTestUser( [ 'sysop', 'bureaucrat' ] );
182 * Prepare service configuration for unit testing.
184 * This calls MediaWikiServices::resetGlobalInstance() to allow some critical services
185 * to be overridden for testing.
187 * prepareServices() only needs to be called once, but should be called as early as possible,
188 * before any class has a chance to grab a reference to any of the global services
189 * instances that get discarded by prepareServices(). Only the first call has any effect,
190 * later calls are ignored.
192 * @note This is called by PHPUnitMaintClass::finalSetup.
194 * @see MediaWikiServices::resetGlobalInstance()
196 * @param Config $bootstrapConfig The bootstrap config to use with the new
197 * MediaWikiServices. Only used for the first call to this method.
198 * @return MediaWikiServices
200 public static function prepareServices( Config
$bootstrapConfig ) {
201 static $services = null;
204 $services = self
::resetGlobalServices( $bootstrapConfig );
210 * Reset global services, and install testing environment.
211 * This is the testing equivalent of MediaWikiServices::resetGlobalInstance().
212 * This should only be used to set up the testing environment, not when
213 * running unit tests. Use MediaWikiTestCase::overrideMwServices() for that.
215 * @see MediaWikiServices::resetGlobalInstance()
216 * @see prepareServices()
217 * @see MediaWikiTestCase::overrideMwServices()
219 * @param Config|null $bootstrapConfig The bootstrap config to use with the new
221 * @return MediaWikiServices
223 protected static function resetGlobalServices( Config
$bootstrapConfig = null ) {
224 $oldServices = MediaWikiServices
::getInstance();
225 $oldConfigFactory = $oldServices->getConfigFactory();
226 $oldLoadBalancerFactory = $oldServices->getDBLoadBalancerFactory();
228 $testConfig = self
::makeTestConfig( $bootstrapConfig );
230 MediaWikiServices
::resetGlobalInstance( $testConfig );
232 $serviceLocator = MediaWikiServices
::getInstance();
233 self
::installTestServices(
235 $oldLoadBalancerFactory,
238 return $serviceLocator;
242 * Create a config suitable for testing, based on a base config, default overrides,
243 * and custom overrides.
245 * @param Config|null $baseConfig
246 * @param Config|null $customOverrides
250 private static function makeTestConfig(
251 Config
$baseConfig = null,
252 Config
$customOverrides = null
254 $defaultOverrides = new HashConfig();
256 if ( !$baseConfig ) {
257 $baseConfig = MediaWikiServices
::getInstance()->getBootstrapConfig();
260 /* Some functions require some kind of caching, and will end up using the db,
261 * which we can't allow, as that would open a new connection for mysql.
262 * Replace with a HashBag. They would not be going to persist anyway.
264 $hashCache = [ 'class' => HashBagOStuff
::class, 'reportDupes' => false ];
266 CACHE_DB
=> $hashCache,
267 CACHE_ACCEL
=> $hashCache,
268 CACHE_MEMCACHED
=> $hashCache,
270 'apcu' => $hashCache,
271 'wincache' => $hashCache,
272 ] +
$baseConfig->get( 'ObjectCaches' );
274 $defaultOverrides->set( 'ObjectCaches', $objectCaches );
275 $defaultOverrides->set( 'MainCacheType', CACHE_NONE
);
276 $defaultOverrides->set( 'JobTypeConf', [ 'default' => [ 'class' => JobQueueMemory
::class ] ] );
278 // Use a fast hash algorithm to hash passwords.
279 $defaultOverrides->set( 'PasswordDefault', 'A' );
281 $testConfig = $customOverrides
282 ?
new MultiConfig( [ $customOverrides, $defaultOverrides, $baseConfig ] )
283 : new MultiConfig( [ $defaultOverrides, $baseConfig ] );
289 * @param ConfigFactory $oldConfigFactory
290 * @param LBFactory $oldLoadBalancerFactory
291 * @param MediaWikiServices $newServices
293 * @throws MWException
295 private static function installTestServices(
296 ConfigFactory
$oldConfigFactory,
297 LBFactory
$oldLoadBalancerFactory,
298 MediaWikiServices
$newServices
300 // Use bootstrap config for all configuration.
301 // This allows config overrides via global variables to take effect.
302 $bootstrapConfig = $newServices->getBootstrapConfig();
303 $newServices->resetServiceForTesting( 'ConfigFactory' );
304 $newServices->redefineService(
306 self
::makeTestConfigFactoryInstantiator(
308 [ 'main' => $bootstrapConfig ]
311 $newServices->resetServiceForTesting( 'DBLoadBalancerFactory' );
312 $newServices->redefineService(
313 'DBLoadBalancerFactory',
314 function ( MediaWikiServices
$services ) use ( $oldLoadBalancerFactory ) {
315 return $oldLoadBalancerFactory;
321 * @param ConfigFactory $oldFactory
322 * @param Config[] $configurations
326 private static function makeTestConfigFactoryInstantiator(
327 ConfigFactory
$oldFactory,
328 array $configurations
330 return function ( MediaWikiServices
$services ) use ( $oldFactory, $configurations ) {
331 $factory = new ConfigFactory();
333 // clone configurations from $oldFactory that are not overwritten by $configurations
334 $namesToClone = array_diff(
335 $oldFactory->getConfigNames(),
336 array_keys( $configurations )
339 foreach ( $namesToClone as $name ) {
340 $factory->register( $name, $oldFactory->makeConfig( $name ) );
343 foreach ( $configurations as $name => $config ) {
344 $factory->register( $name, $config );
352 * Resets some well known services that typically have state that may interfere with unit tests.
353 * This is a lightweight alternative to resetGlobalServices().
355 * @note There is no guarantee that no references remain to stale service instances destroyed
356 * by a call to doLightweightServiceReset().
358 * @throws MWException if called outside of PHPUnit tests.
360 * @see resetGlobalServices()
362 private function doLightweightServiceReset() {
363 global $wgRequest, $wgJobClasses;
365 foreach ( $wgJobClasses as $type => $class ) {
366 JobQueueGroup
::singleton()->get( $type )->delete();
368 JobQueueGroup
::destroySingletons();
370 ObjectCache
::clear();
371 $services = MediaWikiServices
::getInstance();
372 $services->resetServiceForTesting( 'MainObjectStash' );
373 $services->resetServiceForTesting( 'LocalServerObjectCache' );
374 $services->getMainWANObjectCache()->clearProcessCache();
375 FileBackendGroup
::destroySingleton();
376 DeferredUpdates
::clearPendingUpdates();
378 // TODO: move global state into MediaWikiServices
379 RequestContext
::resetMain();
380 if ( session_id() !== '' ) {
381 session_write_close();
385 $wgRequest = new FauxRequest();
386 MediaWiki\Session\SessionManager
::resetCache();
389 public function run( PHPUnit_Framework_TestResult
$result = null ) {
390 $needsResetDB = false;
392 if ( !self
::$dbSetup ||
$this->needsDB() ) {
393 // set up a DB connection for this test to use
395 self
::$useTemporaryTables = !$this->getCliArg( 'use-normal-tables' );
396 self
::$reuseDB = $this->getCliArg( 'reuse-db' );
398 $this->db
= wfGetDB( DB_MASTER
);
400 $this->checkDbIsSupported();
402 if ( !self
::$dbSetup ) {
403 $this->setupAllTestDBs();
404 $this->addCoreDBData();
407 // TODO: the DB setup should be done in setUpBeforeClass(), so the test DB
408 // is available in subclass's setUpBeforeClass() and setUp() methods.
409 // This would also remove the need for the HACK that is oncePerClass().
410 if ( $this->oncePerClass() ) {
411 $this->setUpSchema( $this->db
);
412 $this->resetDB( $this->db
, $this->tablesUsed
);
413 $this->addDBDataOnce();
417 $needsResetDB = true;
420 parent
::run( $result );
422 if ( $needsResetDB ) {
423 $this->resetDB( $this->db
, $this->tablesUsed
);
430 private function oncePerClass() {
431 // Remember current test class in the database connection,
432 // so we know when we need to run addData.
434 $class = static::class;
436 $first = !isset( $this->db
->_hasDataForTestClass
)
437 ||
$this->db
->_hasDataForTestClass
!== $class;
439 $this->db
->_hasDataForTestClass
= $class;
448 public function usesTemporaryTables() {
449 return self
::$useTemporaryTables;
453 * Obtains a new temporary file name
455 * The obtained filename is enlisted to be removed upon tearDown
459 * @return string Absolute name of the temporary file
461 protected function getNewTempFile() {
462 $fileName = tempnam( wfTempDir(), 'MW_PHPUnit_' . static::class . '_' );
463 $this->tmpFiles
[] = $fileName;
469 * obtains a new temporary directory
471 * The obtained directory is enlisted to be removed (recursively with all its contained
472 * files) upon tearDown.
476 * @return string Absolute name of the temporary directory
478 protected function getNewTempDirectory() {
479 // Starting of with a temporary /file/.
480 $fileName = $this->getNewTempFile();
482 // Converting the temporary /file/ to a /directory/
483 // The following is not atomic, but at least we now have a single place,
484 // where temporary directory creation is bundled and can be improved
486 $this->assertTrue( wfMkdirParents( $fileName ) );
491 protected function setUp() {
493 $this->called
['setUp'] = true;
495 $this->phpErrorLevel
= intval( ini_get( 'error_reporting' ) );
497 // Cleaning up temporary files
498 foreach ( $this->tmpFiles
as $fileName ) {
499 if ( is_file( $fileName ) ||
( is_link( $fileName ) ) ) {
501 } elseif ( is_dir( $fileName ) ) {
502 wfRecursiveRemoveDir( $fileName );
506 if ( $this->needsDB() && $this->db
) {
507 // Clean up open transactions
508 while ( $this->db
->trxLevel() > 0 ) {
509 $this->db
->rollback( __METHOD__
, 'flush' );
511 // Check for unsafe queries
512 if ( $this->db
->getType() === 'mysql' ) {
513 $this->db
->query( "SET sql_mode = 'STRICT_ALL_TABLES'" );
517 // Reset all caches between tests.
518 $this->doLightweightServiceReset();
520 // XXX: reset maintenance triggers
521 // Hook into period lag checks which often happen in long-running scripts
522 $services = MediaWikiServices
::getInstance();
523 $lbFactory = $services->getDBLoadBalancerFactory();
524 Maintenance
::setLBFactoryTriggers( $lbFactory, $services->getMainConfig() );
526 ob_start( 'MediaWikiTestCase::wfResetOutputBuffersBarrier' );
529 protected function addTmpFiles( $files ) {
530 $this->tmpFiles
= array_merge( $this->tmpFiles
, (array)$files );
533 protected function tearDown() {
534 global $wgRequest, $wgSQLMode;
536 $status = ob_get_status();
537 if ( isset( $status['name'] ) &&
538 $status['name'] === 'MediaWikiTestCase::wfResetOutputBuffersBarrier'
543 $this->called
['tearDown'] = true;
544 // Cleaning up temporary files
545 foreach ( $this->tmpFiles
as $fileName ) {
546 if ( is_file( $fileName ) ||
( is_link( $fileName ) ) ) {
548 } elseif ( is_dir( $fileName ) ) {
549 wfRecursiveRemoveDir( $fileName );
553 if ( $this->needsDB() && $this->db
) {
554 // Clean up open transactions
555 while ( $this->db
->trxLevel() > 0 ) {
556 $this->db
->rollback( __METHOD__
, 'flush' );
558 if ( $this->db
->getType() === 'mysql' ) {
559 $this->db
->query( "SET sql_mode = " . $this->db
->addQuotes( $wgSQLMode ) );
563 // Restore mw globals
564 foreach ( $this->mwGlobals
as $key => $value ) {
565 $GLOBALS[$key] = $value;
567 foreach ( $this->mwGlobalsToUnset
as $value ) {
568 unset( $GLOBALS[$value] );
570 $this->mwGlobals
= [];
571 $this->mwGlobalsToUnset
= [];
572 $this->restoreLoggers();
574 if ( self
::$serviceLocator && MediaWikiServices
::getInstance() !== self
::$serviceLocator ) {
575 MediaWikiServices
::forceGlobalInstance( self
::$serviceLocator );
578 // TODO: move global state into MediaWikiServices
579 RequestContext
::resetMain();
580 if ( session_id() !== '' ) {
581 session_write_close();
584 $wgRequest = new FauxRequest();
585 MediaWiki\Session\SessionManager
::resetCache();
586 MediaWiki\Auth\AuthManager
::resetCache();
588 $phpErrorLevel = intval( ini_get( 'error_reporting' ) );
590 if ( $phpErrorLevel !== $this->phpErrorLevel
) {
591 ini_set( 'error_reporting', $this->phpErrorLevel
);
593 $oldHex = strtoupper( dechex( $this->phpErrorLevel
) );
594 $newHex = strtoupper( dechex( $phpErrorLevel ) );
595 $message = "PHP error_reporting setting was left dirty: "
596 . "was 0x$oldHex before test, 0x$newHex after test!";
598 $this->fail( $message );
605 * Make sure MediaWikiTestCase extending classes have called their
606 * parent setUp method
608 * With strict coverage activated in PHP_CodeCoverage, this test would be
609 * marked as risky without the following annotation (T152923).
612 final public function testMediaWikiTestCaseParentSetupCalled() {
613 $this->assertArrayHasKey( 'setUp', $this->called
,
614 static::class . '::setUp() must call parent::setUp()'
619 * Sets a service, maintaining a stashed version of the previous service to be
620 * restored in tearDown
624 * @param string $name
625 * @param object $object
627 protected function setService( $name, $object ) {
628 // If we did not yet override the service locator, so so now.
629 if ( MediaWikiServices
::getInstance() === self
::$serviceLocator ) {
630 $this->overrideMwServices();
633 MediaWikiServices
::getInstance()->disableService( $name );
634 MediaWikiServices
::getInstance()->redefineService(
636 function () use ( $object ) {
643 * Sets a global, maintaining a stashed version of the previous global to be
644 * restored in tearDown
646 * The key is added to the array of globals that will be reset afterwards
651 * protected function setUp() {
652 * $this->setMwGlobals( 'wgRestrictStuff', true );
655 * function testFoo() {}
657 * function testBar() {}
658 * $this->assertTrue( self::getX()->doStuff() );
660 * $this->setMwGlobals( 'wgRestrictStuff', false );
661 * $this->assertTrue( self::getX()->doStuff() );
664 * function testQuux() {}
667 * @param array|string $pairs Key to the global variable, or an array
668 * of key/value pairs.
669 * @param mixed $value Value to set the global to (ignored
670 * if an array is given as first argument).
672 * @note To allow changes to global variables to take effect on global service instances,
673 * call overrideMwServices().
677 protected function setMwGlobals( $pairs, $value = null ) {
678 if ( is_string( $pairs ) ) {
679 $pairs = [ $pairs => $value ];
682 $this->stashMwGlobals( array_keys( $pairs ) );
684 foreach ( $pairs as $key => $value ) {
685 $GLOBALS[$key] = $value;
690 * Check if we can back up a value by performing a shallow copy.
691 * Values which fail this test are copied recursively.
693 * @param mixed $value
694 * @return bool True if a shallow copy will do; false if a deep copy
697 private static function canShallowCopy( $value ) {
698 if ( is_scalar( $value ) ||
$value === null ) {
701 if ( is_array( $value ) ) {
702 foreach ( $value as $subValue ) {
703 if ( !is_scalar( $subValue ) && $subValue !== null ) {
713 * Stashes the global, will be restored in tearDown()
715 * Individual test functions may override globals through the setMwGlobals() function
716 * or directly. When directly overriding globals their keys should first be passed to this
717 * method in setUp to avoid breaking global state for other tests
719 * That way all other tests are executed with the same settings (instead of using the
720 * unreliable local settings for most tests and fix it only for some tests).
722 * @param array|string $globalKeys Key to the global variable, or an array of keys.
724 * @note To allow changes to global variables to take effect on global service instances,
725 * call overrideMwServices().
729 protected function stashMwGlobals( $globalKeys ) {
730 if ( is_string( $globalKeys ) ) {
731 $globalKeys = [ $globalKeys ];
734 foreach ( $globalKeys as $globalKey ) {
735 // NOTE: make sure we only save the global once or a second call to
736 // setMwGlobals() on the same global would override the original
739 !array_key_exists( $globalKey, $this->mwGlobals
) &&
740 !array_key_exists( $globalKey, $this->mwGlobalsToUnset
)
742 if ( !array_key_exists( $globalKey, $GLOBALS ) ) {
743 $this->mwGlobalsToUnset
[$globalKey] = $globalKey;
746 // NOTE: we serialize then unserialize the value in case it is an object
747 // this stops any objects being passed by reference. We could use clone
748 // and if is_object but this does account for objects within objects!
749 if ( self
::canShallowCopy( $GLOBALS[$globalKey] ) ) {
750 $this->mwGlobals
[$globalKey] = $GLOBALS[$globalKey];
752 // Many MediaWiki types are safe to clone. These are the
753 // ones that are most commonly stashed.
754 $GLOBALS[$globalKey] instanceof Language ||
755 $GLOBALS[$globalKey] instanceof User ||
756 $GLOBALS[$globalKey] instanceof FauxRequest
758 $this->mwGlobals
[$globalKey] = clone $GLOBALS[$globalKey];
759 } elseif ( $this->containsClosure( $GLOBALS[$globalKey] ) ) {
760 // Serializing Closure only gives a warning on HHVM while
761 // it throws an Exception on Zend.
762 // Workaround for https://github.com/facebook/hhvm/issues/6206
763 $this->mwGlobals
[$globalKey] = $GLOBALS[$globalKey];
766 $this->mwGlobals
[$globalKey] = unserialize( serialize( $GLOBALS[$globalKey] ) );
767 } catch ( Exception
$e ) {
768 $this->mwGlobals
[$globalKey] = $GLOBALS[$globalKey];
777 * @param int $maxDepth
781 private function containsClosure( $var, $maxDepth = 15 ) {
782 if ( $var instanceof Closure
) {
785 if ( !is_array( $var ) ||
$maxDepth === 0 ) {
789 foreach ( $var as $value ) {
790 if ( $this->containsClosure( $value, $maxDepth - 1 ) ) {
798 * Merges the given values into a MW global array variable.
799 * Useful for setting some entries in a configuration array, instead of
800 * setting the entire array.
802 * @param string $name The name of the global, as in wgFooBar
803 * @param array $values The array containing the entries to set in that global
805 * @throws MWException If the designated global is not an array.
807 * @note To allow changes to global variables to take effect on global service instances,
808 * call overrideMwServices().
812 protected function mergeMwGlobalArrayValue( $name, $values ) {
813 if ( !isset( $GLOBALS[$name] ) ) {
816 if ( !is_array( $GLOBALS[$name] ) ) {
817 throw new MWException( "MW global $name is not an array." );
820 // NOTE: do not use array_merge, it screws up for numeric keys.
821 $merged = $GLOBALS[$name];
822 foreach ( $values as $k => $v ) {
827 $this->setMwGlobals( $name, $merged );
831 * Stashes the global instance of MediaWikiServices, and installs a new one,
832 * allowing test cases to override settings and services.
833 * The previous instance of MediaWikiServices will be restored on tearDown.
837 * @param Config $configOverrides Configuration overrides for the new MediaWikiServices instance.
838 * @param callable[] $services An associative array of services to re-define. Keys are service
839 * names, values are callables.
841 * @return MediaWikiServices
842 * @throws MWException
844 protected function overrideMwServices( Config
$configOverrides = null, array $services = [] ) {
845 if ( !$configOverrides ) {
846 $configOverrides = new HashConfig();
849 $oldInstance = MediaWikiServices
::getInstance();
850 $oldConfigFactory = $oldInstance->getConfigFactory();
851 $oldLoadBalancerFactory = $oldInstance->getDBLoadBalancerFactory();
853 $testConfig = self
::makeTestConfig( null, $configOverrides );
854 $newInstance = new MediaWikiServices( $testConfig );
856 // Load the default wiring from the specified files.
857 // NOTE: this logic mirrors the logic in MediaWikiServices::newInstance.
858 $wiringFiles = $testConfig->get( 'ServiceWiringFiles' );
859 $newInstance->loadWiringFiles( $wiringFiles );
861 // Provide a traditional hook point to allow extensions to configure services.
862 Hooks
::run( 'MediaWikiServices', [ $newInstance ] );
864 foreach ( $services as $name => $callback ) {
865 $newInstance->redefineService( $name, $callback );
868 self
::installTestServices(
870 $oldLoadBalancerFactory,
873 MediaWikiServices
::forceGlobalInstance( $newInstance );
880 * @param string|Language $lang
882 public function setUserLang( $lang ) {
883 RequestContext
::getMain()->setLanguage( $lang );
884 $this->setMwGlobals( 'wgLang', RequestContext
::getMain()->getLanguage() );
889 * @param string|Language $lang
891 public function setContentLang( $lang ) {
892 if ( $lang instanceof Language
) {
893 $langCode = $lang->getCode();
897 $langObj = Language
::factory( $langCode );
899 $this->setMwGlobals( [
900 'wgLanguageCode' => $langCode,
901 'wgContLang' => $langObj,
906 * Alters $wgGroupPermissions for the duration of the test. Can be called
907 * with an array, like
908 * [ '*' => [ 'read' => false ], 'user' => [ 'read' => false ] ]
909 * or three values to set a single permission, like
910 * $this->setGroupPermissions( '*', 'read', false );
913 * @param array|string $newPerms Either an array of permissions to change,
914 * in which case the next two parameters are ignored; or a single string
915 * identifying a group, to use with the next two parameters.
916 * @param string|null $newKey
917 * @param mixed $newValue
919 public function setGroupPermissions( $newPerms, $newKey = null, $newValue = null ) {
920 global $wgGroupPermissions;
922 $this->stashMwGlobals( 'wgGroupPermissions' );
924 if ( is_string( $newPerms ) ) {
925 $newPerms = [ $newPerms => [ $newKey => $newValue ] ];
928 foreach ( $newPerms as $group => $permissions ) {
929 foreach ( $permissions as $key => $value ) {
930 $wgGroupPermissions[$group][$key] = $value;
936 * Sets the logger for a specified channel, for the duration of the test.
938 * @param string $channel
939 * @param LoggerInterface $logger
941 protected function setLogger( $channel, LoggerInterface
$logger ) {
942 // TODO: Once loggers are managed by MediaWikiServices, use
943 // overrideMwServices() to set loggers.
945 $provider = LoggerFactory
::getProvider();
946 $wrappedProvider = TestingAccessWrapper
::newFromObject( $provider );
947 $singletons = $wrappedProvider->singletons
;
948 if ( $provider instanceof MonologSpi
) {
949 if ( !isset( $this->loggers
[$channel] ) ) {
950 $this->loggers
[$channel] = isset( $singletons['loggers'][$channel] )
951 ?
$singletons['loggers'][$channel] : null;
953 $singletons['loggers'][$channel] = $logger;
954 } elseif ( $provider instanceof LegacySpi
) {
955 if ( !isset( $this->loggers
[$channel] ) ) {
956 $this->loggers
[$channel] = isset( $singletons[$channel] ) ?
$singletons[$channel] : null;
958 $singletons[$channel] = $logger;
960 throw new LogicException( __METHOD__
. ': setting a logger for ' . get_class( $provider )
961 . ' is not implemented' );
963 $wrappedProvider->singletons
= $singletons;
967 * Restores loggers replaced by setLogger().
970 private function restoreLoggers() {
971 $provider = LoggerFactory
::getProvider();
972 $wrappedProvider = TestingAccessWrapper
::newFromObject( $provider );
973 $singletons = $wrappedProvider->singletons
;
974 foreach ( $this->loggers
as $channel => $logger ) {
975 if ( $provider instanceof MonologSpi
) {
976 if ( $logger === null ) {
977 unset( $singletons['loggers'][$channel] );
979 $singletons['loggers'][$channel] = $logger;
981 } elseif ( $provider instanceof LegacySpi
) {
982 if ( $logger === null ) {
983 unset( $singletons[$channel] );
985 $singletons[$channel] = $logger;
989 $wrappedProvider->singletons
= $singletons;
997 public function dbPrefix() {
998 return $this->db
->getType() == 'oracle' ? self
::ORA_DB_PREFIX
: self
::DB_PREFIX
;
1005 public function needsDB() {
1006 // If the test says it uses database tables, it needs the database
1007 if ( $this->tablesUsed
) {
1011 // If the test class says it belongs to the Database group, it needs the database.
1012 // NOTE: This ONLY checks for the group in the class level doc comment.
1013 $rc = new ReflectionClass( $this );
1014 if ( preg_match( '/@group +Database/im', $rc->getDocComment() ) ) {
1022 * Insert a new page.
1024 * Should be called from addDBData().
1026 * @since 1.25 ($namespace in 1.28)
1027 * @param string|title $pageName Page name or title
1028 * @param string $text Page's content
1029 * @param int $namespace Namespace id (name cannot already contain namespace)
1030 * @return array Title object and page id
1032 protected function insertPage(
1034 $text = 'Sample page for unit test.',
1037 if ( is_string( $pageName ) ) {
1038 $title = Title
::newFromText( $pageName, $namespace );
1043 $user = static::getTestSysop()->getUser();
1044 $comment = __METHOD__
. ': Sample page for unit test.';
1046 $page = WikiPage
::factory( $title );
1047 $page->doEditContent( ContentHandler
::makeContent( $text, $title ), $comment, 0, false, $user );
1051 'id' => $page->getId(),
1056 * Stub. If a test suite needs to add additional data to the database, it should
1057 * implement this method and do so. This method is called once per test suite
1058 * (i.e. once per class).
1060 * Note data added by this method may be removed by resetDB() depending on
1061 * the contents of $tablesUsed.
1063 * To add additional data between test function runs, override prepareDB().
1070 public function addDBDataOnce() {
1074 * Stub. Subclasses may override this to prepare the database.
1075 * Called before every test run (test function or data set).
1077 * @see addDBDataOnce()
1082 public function addDBData() {
1085 private function addCoreDBData() {
1086 if ( $this->db
->getType() == 'oracle' ) {
1087 # Insert 0 user to prevent FK violations
1089 if ( !$this->db
->selectField( 'user', '1', [ 'user_id' => 0 ] ) ) {
1090 $this->db
->insert( 'user', [
1092 'user_name' => 'Anonymous' ], __METHOD__
, [ 'IGNORE' ] );
1095 # Insert 0 page to prevent FK violations
1097 if ( !$this->db
->selectField( 'page', '1', [ 'page_id' => 0 ] ) ) {
1098 $this->db
->insert( 'page', [
1100 'page_namespace' => 0,
1101 'page_title' => ' ',
1102 'page_restrictions' => null,
1103 'page_is_redirect' => 0,
1106 'page_touched' => $this->db
->timestamp(),
1108 'page_len' => 0 ], __METHOD__
, [ 'IGNORE' ] );
1112 SiteStatsInit
::doPlaceholderInit();
1114 User
::resetIdByNameCache();
1117 $user = static::getTestSysop()->getUser();
1119 // Make 1 page with 1 revision
1120 $page = WikiPage
::factory( Title
::newFromText( 'UTPage' ) );
1121 if ( $page->getId() == 0 ) {
1122 $page->doEditContent(
1123 new WikitextContent( 'UTContent' ),
1125 EDIT_NEW | EDIT_SUPPRESS_RC
,
1129 // an edit always attempt to purge backlink links such as history
1130 // pages. That is unneccessary.
1131 JobQueueGroup
::singleton()->get( 'htmlCacheUpdate' )->delete();
1132 // WikiPages::doEditUpdates randomly adds RC purges
1133 JobQueueGroup
::singleton()->get( 'recentChangesUpdate' )->delete();
1135 // doEditContent() probably started the session via
1136 // User::loadFromSession(). Close it now.
1137 if ( session_id() !== '' ) {
1138 session_write_close();
1145 * Restores MediaWiki to using the table set (table prefix) it was using before
1146 * setupTestDB() was called. Useful if we need to perform database operations
1147 * after the test run has finished (such as saving logs or profiling info).
1149 * This is called by phpunit/bootstrap.php after the last test.
1153 public static function teardownTestDB() {
1154 global $wgJobClasses;
1156 if ( !self
::$dbSetup ) {
1160 Hooks
::run( 'UnitTestsBeforeDatabaseTeardown' );
1162 foreach ( $wgJobClasses as $type => $class ) {
1163 // Delete any jobs under the clone DB (or old prefix in other stores)
1164 JobQueueGroup
::singleton()->get( $type )->delete();
1167 CloneDatabase
::changePrefix( self
::$oldTablePrefix );
1169 self
::$oldTablePrefix = false;
1170 self
::$dbSetup = false;
1174 * Setups a database with the given prefix.
1176 * If reuseDB is true and certain conditions apply, it will just change the prefix.
1177 * Otherwise, it will clone the tables and change the prefix.
1179 * Clones all tables in the given database (whatever database that connection has
1180 * open), to versions with the test prefix.
1182 * @param IMaintainableDatabase $db Database to use
1183 * @param string $prefix Prefix to use for test tables
1184 * @return bool True if tables were cloned, false if only the prefix was changed
1186 protected static function setupDatabaseWithTestPrefix( IMaintainableDatabase
$db, $prefix ) {
1187 $tablesCloned = self
::listTables( $db );
1188 $dbClone = new CloneDatabase( $db, $tablesCloned, $prefix );
1189 $dbClone->useTemporaryTables( self
::$useTemporaryTables );
1191 $db->_originalTablePrefix
= $db->tablePrefix();
1193 if ( ( $db->getType() == 'oracle' ||
!self
::$useTemporaryTables ) && self
::$reuseDB ) {
1194 CloneDatabase
::changePrefix( $prefix );
1198 $dbClone->cloneTableStructure();
1204 * Set up all test DBs
1206 public function setupAllTestDBs() {
1209 self
::$oldTablePrefix = $wgDBprefix;
1211 $testPrefix = $this->dbPrefix();
1213 // switch to a temporary clone of the database
1214 self
::setupTestDB( $this->db
, $testPrefix );
1216 if ( self
::isUsingExternalStoreDB() ) {
1217 self
::setupExternalStoreTestDBs( $testPrefix );
1222 * Creates an empty skeleton of the wiki database by cloning its structure
1223 * to equivalent tables using the given $prefix. Then sets MediaWiki to
1224 * use the new set of tables (aka schema) instead of the original set.
1226 * This is used to generate a dummy table set, typically consisting of temporary
1227 * tables, that will be used by tests instead of the original wiki database tables.
1231 * @note the original table prefix is stored in self::$oldTablePrefix. This is used
1232 * by teardownTestDB() to return the wiki to using the original table set.
1234 * @note this method only works when first called. Subsequent calls have no effect,
1235 * even if using different parameters.
1237 * @param Database $db The database connection
1238 * @param string $prefix The prefix to use for the new table set (aka schema).
1240 * @throws MWException If the database table prefix is already $prefix
1242 public static function setupTestDB( Database
$db, $prefix ) {
1243 if ( self
::$dbSetup ) {
1247 if ( $db->tablePrefix() === $prefix ) {
1248 throw new MWException(
1249 'Cannot run unit tests, the database prefix is already "' . $prefix . '"' );
1252 // TODO: the below should be re-written as soon as LBFactory, LoadBalancer,
1253 // and Database no longer use global state.
1255 self
::$dbSetup = true;
1257 if ( !self
::setupDatabaseWithTestPrefix( $db, $prefix ) ) {
1261 // Assuming this isn't needed for External Store database, and not sure if the procedure
1262 // would be available there.
1263 if ( $db->getType() == 'oracle' ) {
1264 $db->query( 'BEGIN FILL_WIKI_INFO; END;' );
1267 Hooks
::run( 'UnitTestsAfterDatabaseSetup', [ $db, $prefix ] );
1271 * Clones the External Store database(s) for testing
1273 * @param string $testPrefix Prefix for test tables
1275 protected static function setupExternalStoreTestDBs( $testPrefix ) {
1276 $connections = self
::getExternalStoreDatabaseConnections();
1277 foreach ( $connections as $dbw ) {
1278 // Hack: cloneTableStructure sets $wgDBprefix to the unit test
1279 // prefix,. Even though listTables now uses tablePrefix, that
1280 // itself is populated from $wgDBprefix by default.
1282 // We have to set it back, or we won't find the original 'blobs'
1285 $dbw->tablePrefix( self
::$oldTablePrefix );
1286 self
::setupDatabaseWithTestPrefix( $dbw, $testPrefix );
1291 * Gets master database connections for all of the ExternalStoreDB
1292 * stores configured in $wgDefaultExternalStore.
1294 * @return Database[] Array of Database master connections
1296 protected static function getExternalStoreDatabaseConnections() {
1297 global $wgDefaultExternalStore;
1299 /** @var ExternalStoreDB $externalStoreDB */
1300 $externalStoreDB = ExternalStore
::getStoreObject( 'DB' );
1301 $defaultArray = (array)$wgDefaultExternalStore;
1303 foreach ( $defaultArray as $url ) {
1304 if ( strpos( $url, 'DB://' ) === 0 ) {
1305 list( $proto, $cluster ) = explode( '://', $url, 2 );
1306 // Avoid getMaster() because setupDatabaseWithTestPrefix()
1307 // requires Database instead of plain DBConnRef/IDatabase
1308 $dbws[] = $externalStoreDB->getMaster( $cluster );
1316 * Check whether ExternalStoreDB is being used
1318 * @return bool True if it's being used
1320 protected static function isUsingExternalStoreDB() {
1321 global $wgDefaultExternalStore;
1322 if ( !$wgDefaultExternalStore ) {
1326 $defaultArray = (array)$wgDefaultExternalStore;
1327 foreach ( $defaultArray as $url ) {
1328 if ( strpos( $url, 'DB://' ) === 0 ) {
1337 * @throws LogicException if the given database connection is not a set up to use
1340 private function ensureMockDatabaseConnection( IDatabase
$db ) {
1341 if ( $db->tablePrefix() !== $this->dbPrefix() ) {
1342 throw new LogicException(
1343 'Trying to delete mock tables, but table prefix does not indicate a mock database.'
1348 private static $schemaOverrideDefaults = [
1356 * Stub. If a test suite needs to test against a specific database schema, it should
1357 * override this method and return the appropriate information from it.
1359 * @param IMaintainableDatabase $db The DB connection to use for the mock schema.
1360 * May be used to check the current state of the schema, to determine what
1361 * overrides are needed.
1363 * @return array An associative array with the following fields:
1364 * - 'scripts': any SQL scripts to run. If empty or not present, schema overrides are skipped.
1365 * - 'create': A list of tables created (may or may not exist in the original schema).
1366 * - 'drop': A list of tables dropped (expected to be present in the original schema).
1367 * - 'alter': A list of tables altered (expected to be present in the original schema).
1369 protected function getSchemaOverrides( IMaintainableDatabase
$db ) {
1374 * Undoes the dpecified schema overrides..
1375 * Called once per test class, just before addDataOnce().
1377 * @param IMaintainableDatabase $db
1378 * @param array $oldOverrides
1380 private function undoSchemaOverrides( IMaintainableDatabase
$db, $oldOverrides ) {
1381 $this->ensureMockDatabaseConnection( $db );
1383 $oldOverrides = $oldOverrides + self
::$schemaOverrideDefaults;
1384 $originalTables = $this->listOriginalTables( $db );
1386 // Drop tables that need to be restored or removed.
1387 $tablesToDrop = array_merge( $oldOverrides['create'], $oldOverrides['alter'] );
1389 // Restore tables that have been dropped or created or altered,
1390 // if they exist in the original schema.
1391 $tablesToRestore = array_merge( $tablesToDrop, $oldOverrides['drop'] );
1392 $tablesToRestore = array_intersect( $originalTables, $tablesToRestore );
1394 if ( $tablesToDrop ) {
1395 $this->dropMockTables( $db, $tablesToDrop );
1398 if ( $tablesToRestore ) {
1399 $this->recloneMockTables( $db, $tablesToRestore );
1404 * Applies the schema overrides returned by getSchemaOverrides(),
1405 * after undoing any previously applied schema overrides.
1406 * Called once per test class, just before addDataOnce().
1408 private function setUpSchema( IMaintainableDatabase
$db ) {
1409 // Undo any active overrides.
1410 $oldOverrides = isset( $db->_schemaOverrides
) ?
$db->_schemaOverrides
1411 : self
::$schemaOverrideDefaults;
1413 if ( $oldOverrides['alter'] ||
$oldOverrides['create'] ||
$oldOverrides['drop'] ) {
1414 $this->undoSchemaOverrides( $db, $oldOverrides );
1417 // Determine new overrides.
1418 $overrides = $this->getSchemaOverrides( $db ) + self
::$schemaOverrideDefaults;
1420 $extraKeys = array_diff(
1421 array_keys( $overrides ),
1422 array_keys( self
::$schemaOverrideDefaults )
1426 throw new InvalidArgumentException(
1427 'Schema override contains extra keys: ' . var_export( $extraKeys, true )
1431 if ( !$overrides['scripts'] ) {
1432 // no scripts to run
1436 if ( !$overrides['create'] && !$overrides['drop'] && !$overrides['alter'] ) {
1437 throw new InvalidArgumentException(
1438 'Schema override scripts given, but no tables are declared to be '
1439 . 'created, dropped or altered.'
1443 $this->ensureMockDatabaseConnection( $db );
1445 // Drop the tables that will be created by the schema scripts.
1446 $originalTables = $this->listOriginalTables( $db );
1447 $tablesToDrop = array_intersect( $originalTables, $overrides['create'] );
1449 if ( $tablesToDrop ) {
1450 $this->dropMockTables( $db, $tablesToDrop );
1453 // Run schema override scripts.
1454 foreach ( $overrides['scripts'] as $script ) {
1461 return $this->mungeSchemaUpdateQuery( $cmd );
1466 $db->_schemaOverrides
= $overrides;
1469 private function mungeSchemaUpdateQuery( $cmd ) {
1470 return self
::$useTemporaryTables
1471 ?
preg_replace( '/\bCREATE\s+TABLE\b/i', 'CREATE TEMPORARY TABLE', $cmd )
1476 * Drops the given mock tables.
1478 * @param IMaintainableDatabase $db
1479 * @param array $tables
1481 private function dropMockTables( IMaintainableDatabase
$db, array $tables ) {
1482 $this->ensureMockDatabaseConnection( $db );
1484 foreach ( $tables as $tbl ) {
1485 $tbl = $db->tableName( $tbl );
1486 $db->query( "DROP TABLE IF EXISTS $tbl", __METHOD__
);
1488 if ( $tbl === 'page' ) {
1489 // Forget about the pages since they don't
1491 LinkCache
::singleton()->clear();
1497 * Lists all tables in the live database schema.
1499 * @param IMaintainableDatabase $db
1502 private function listOriginalTables( IMaintainableDatabase
$db ) {
1503 if ( !isset( $db->_originalTablePrefix
) ) {
1504 throw new LogicException( 'No original table prefix know, cannot list tables!' );
1507 $originalTables = $db->listTables( $db->_originalTablePrefix
, __METHOD__
);
1508 return $originalTables;
1512 * Re-clones the given mock tables to restore them based on the live database schema.
1513 * The tables listed in $tables are expected to currently not exist, so dropMockTables()
1514 * should be called first.
1516 * @param IMaintainableDatabase $db
1517 * @param array $tables
1519 private function recloneMockTables( IMaintainableDatabase
$db, array $tables ) {
1520 $this->ensureMockDatabaseConnection( $db );
1522 if ( !isset( $db->_originalTablePrefix
) ) {
1523 throw new LogicException( 'No original table prefix know, cannot restore tables!' );
1526 $originalTables = $this->listOriginalTables( $db );
1527 $tables = array_intersect( $tables, $originalTables );
1529 $dbClone = new CloneDatabase( $db, $tables, $db->tablePrefix(), $db->_originalTablePrefix
);
1530 $dbClone->useTemporaryTables( self
::$useTemporaryTables );
1532 $dbClone->cloneTableStructure();
1536 * Empty all tables so they can be repopulated for tests
1538 * @param Database $db|null Database to reset
1539 * @param array $tablesUsed Tables to reset
1541 private function resetDB( $db, $tablesUsed ) {
1543 $userTables = [ 'user', 'user_groups', 'user_properties', 'actor' ];
1544 $pageTables = [ 'page', 'revision', 'ip_changes', 'revision_comment_temp',
1545 'revision_actor_temp', 'comment' ];
1546 $coreDBDataTables = array_merge( $userTables, $pageTables );
1548 // If any of the user or page tables were marked as used, we should clear all of them.
1549 if ( array_intersect( $tablesUsed, $userTables ) ) {
1550 $tablesUsed = array_unique( array_merge( $tablesUsed, $userTables ) );
1551 TestUserRegistry
::clear();
1553 if ( array_intersect( $tablesUsed, $pageTables ) ) {
1554 $tablesUsed = array_unique( array_merge( $tablesUsed, $pageTables ) );
1557 $truncate = in_array( $db->getType(), [ 'oracle', 'mysql' ] );
1558 foreach ( $tablesUsed as $tbl ) {
1559 // TODO: reset interwiki table to its original content.
1560 if ( $tbl == 'interwiki' ) {
1564 if ( !$db->tableExists( $tbl ) ) {
1569 $db->query( 'TRUNCATE TABLE ' . $db->tableName( $tbl ), __METHOD__
);
1571 $db->delete( $tbl, '*', __METHOD__
);
1574 if ( in_array( $db->getType(), [ 'postgres', 'sqlite' ], true ) ) {
1575 // Reset the table's sequence too.
1576 $db->resetSequenceForTable( $tbl, __METHOD__
);
1579 if ( $tbl === 'page' ) {
1580 // Forget about the pages since they don't
1582 LinkCache
::singleton()->clear();
1586 if ( array_intersect( $tablesUsed, $coreDBDataTables ) ) {
1587 // Re-add core DB data that was deleted
1588 $this->addCoreDBData();
1593 private static function unprefixTable( &$tableName, $ind, $prefix ) {
1594 $tableName = substr( $tableName, strlen( $prefix ) );
1597 private static function isNotUnittest( $table ) {
1598 return strpos( $table, self
::DB_PREFIX
) !== 0;
1604 * @param IMaintainableDatabase $db
1608 public static function listTables( IMaintainableDatabase
$db ) {
1609 $prefix = $db->tablePrefix();
1610 $tables = $db->listTables( $prefix, __METHOD__
);
1612 if ( $db->getType() === 'mysql' ) {
1613 static $viewListCache = null;
1614 if ( $viewListCache === null ) {
1615 $viewListCache = $db->listViews( null, __METHOD__
);
1617 // T45571: cannot clone VIEWs under MySQL
1618 $tables = array_diff( $tables, $viewListCache );
1620 array_walk( $tables, [ __CLASS__
, 'unprefixTable' ], $prefix );
1622 // Don't duplicate test tables from the previous fataled run
1623 $tables = array_filter( $tables, [ __CLASS__
, 'isNotUnittest' ] );
1625 if ( $db->getType() == 'sqlite' ) {
1626 $tables = array_flip( $tables );
1627 // these are subtables of searchindex and don't need to be duped/dropped separately
1628 unset( $tables['searchindex_content'] );
1629 unset( $tables['searchindex_segdir'] );
1630 unset( $tables['searchindex_segments'] );
1631 $tables = array_flip( $tables );
1638 * @throws MWException
1641 protected function checkDbIsSupported() {
1642 if ( !in_array( $this->db
->getType(), $this->supportedDBs
) ) {
1643 throw new MWException( $this->db
->getType() . " is not currently supported for unit testing." );
1649 * @param string $offset
1652 public function getCliArg( $offset ) {
1653 if ( isset( PHPUnitMaintClass
::$additionalOptions[$offset] ) ) {
1654 return PHPUnitMaintClass
::$additionalOptions[$offset];
1662 * @param string $offset
1663 * @param mixed $value
1665 public function setCliArg( $offset, $value ) {
1666 PHPUnitMaintClass
::$additionalOptions[$offset] = $value;
1670 * Don't throw a warning if $function is deprecated and called later
1674 * @param string $function
1676 public function hideDeprecated( $function ) {
1677 Wikimedia\
suppressWarnings();
1678 wfDeprecated( $function );
1679 Wikimedia\restoreWarnings
();
1683 * Asserts that the given database query yields the rows given by $expectedRows.
1684 * The expected rows should be given as indexed (not associative) arrays, with
1685 * the values given in the order of the columns in the $fields parameter.
1686 * Note that the rows are sorted by the columns given in $fields.
1690 * @param string|array $table The table(s) to query
1691 * @param string|array $fields The columns to include in the result (and to sort by)
1692 * @param string|array $condition "where" condition(s)
1693 * @param array $expectedRows An array of arrays giving the expected rows.
1694 * @param array $options Options for the query
1695 * @param array $join_conds Join conditions for the query
1697 * @throws MWException If this test cases's needsDB() method doesn't return true.
1698 * Test cases can use "@group Database" to enable database test support,
1699 * or list the tables under testing in $this->tablesUsed, or override the
1702 protected function assertSelect(
1703 $table, $fields, $condition, array $expectedRows, array $options = [], array $join_conds = []
1705 if ( !$this->needsDB() ) {
1706 throw new MWException( 'When testing database state, the test cases\'s needDB()' .
1707 ' method should return true. Use @group Database or $this->tablesUsed.' );
1710 $db = wfGetDB( DB_REPLICA
);
1717 $options +
[ 'ORDER BY' => $fields ],
1720 $this->assertNotEmpty( $res, "query failed: " . $db->lastError() );
1724 foreach ( $expectedRows as $expected ) {
1725 $r = $res->fetchRow();
1726 self
::stripStringKeys( $r );
1729 $this->assertNotEmpty( $r, "row #$i missing" );
1731 $this->assertEquals( $expected, $r, "row #$i mismatches" );
1734 $r = $res->fetchRow();
1735 self
::stripStringKeys( $r );
1737 $this->assertFalse( $r, "found extra row (after #$i)" );
1741 * Utility method taking an array of elements and wrapping
1742 * each element in its own array. Useful for data providers
1743 * that only return a single argument.
1747 * @param array $elements
1751 protected function arrayWrap( array $elements ) {
1753 function ( $element ) {
1754 return [ $element ];
1761 * Assert that two arrays are equal. By default this means that both arrays need to hold
1762 * the same set of values. Using additional arguments, order and associated key can also
1763 * be set as relevant.
1767 * @param array $expected
1768 * @param array $actual
1769 * @param bool $ordered If the order of the values should match
1770 * @param bool $named If the keys should match
1772 protected function assertArrayEquals( array $expected, array $actual,
1773 $ordered = false, $named = false
1776 $this->objectAssociativeSort( $expected );
1777 $this->objectAssociativeSort( $actual );
1781 $expected = array_values( $expected );
1782 $actual = array_values( $actual );
1785 call_user_func_array(
1786 [ $this, 'assertEquals' ],
1787 array_merge( [ $expected, $actual ], array_slice( func_get_args(), 4 ) )
1792 * Put each HTML element on its own line and then equals() the results
1794 * Use for nicely formatting of PHPUnit diff output when comparing very
1799 * @param string $expected HTML on oneline
1800 * @param string $actual HTML on oneline
1801 * @param string $msg Optional message
1803 protected function assertHTMLEquals( $expected, $actual, $msg = '' ) {
1804 $expected = str_replace( '>', ">\n", $expected );
1805 $actual = str_replace( '>', ">\n", $actual );
1807 $this->assertEquals( $expected, $actual, $msg );
1811 * Does an associative sort that works for objects.
1815 * @param array &$array
1817 protected function objectAssociativeSort( array &$array ) {
1820 function ( $a, $b ) {
1821 return serialize( $a ) > serialize( $b ) ?
1 : -1;
1827 * Utility function for eliminating all string keys from an array.
1828 * Useful to turn a database result row as returned by fetchRow() into
1829 * a pure indexed array.
1833 * @param mixed &$r The array to remove string keys from.
1835 protected static function stripStringKeys( &$r ) {
1836 if ( !is_array( $r ) ) {
1840 foreach ( $r as $k => $v ) {
1841 if ( is_string( $k ) ) {
1848 * Asserts that the provided variable is of the specified
1849 * internal type or equals the $value argument. This is useful
1850 * for testing return types of functions that return a certain
1851 * type or *value* when not set or on error.
1855 * @param string $type
1856 * @param mixed $actual
1857 * @param mixed $value
1858 * @param string $message
1860 protected function assertTypeOrValue( $type, $actual, $value = false, $message = '' ) {
1861 if ( $actual === $value ) {
1862 $this->assertTrue( true, $message );
1864 $this->assertType( $type, $actual, $message );
1869 * Asserts the type of the provided value. This can be either
1870 * in internal type such as boolean or integer, or a class or
1871 * interface the value extends or implements.
1875 * @param string $type
1876 * @param mixed $actual
1877 * @param string $message
1879 protected function assertType( $type, $actual, $message = '' ) {
1880 if ( class_exists( $type ) ||
interface_exists( $type ) ) {
1881 $this->assertInstanceOf( $type, $actual, $message );
1883 $this->assertInternalType( $type, $actual, $message );
1888 * Returns true if the given namespace defaults to Wikitext
1889 * according to $wgNamespaceContentModels
1891 * @param int $ns The namespace ID to check
1896 protected function isWikitextNS( $ns ) {
1897 global $wgNamespaceContentModels;
1899 if ( isset( $wgNamespaceContentModels[$ns] ) ) {
1900 return $wgNamespaceContentModels[$ns] === CONTENT_MODEL_WIKITEXT
;
1907 * Returns the ID of a namespace that defaults to Wikitext.
1909 * @throws MWException If there is none.
1910 * @return int The ID of the wikitext Namespace
1913 protected function getDefaultWikitextNS() {
1914 global $wgNamespaceContentModels;
1916 static $wikitextNS = null; // this is not going to change
1917 if ( $wikitextNS !== null ) {
1921 // quickly short out on most common case:
1922 if ( !isset( $wgNamespaceContentModels[NS_MAIN
] ) ) {
1926 // NOTE: prefer content namespaces
1927 $namespaces = array_unique( array_merge(
1928 MWNamespace
::getContentNamespaces(),
1929 [ NS_MAIN
, NS_HELP
, NS_PROJECT
], // prefer these
1930 MWNamespace
::getValidNamespaces()
1933 $namespaces = array_diff( $namespaces, [
1934 NS_FILE
, NS_CATEGORY
, NS_MEDIAWIKI
, NS_USER
// don't mess with magic namespaces
1937 $talk = array_filter( $namespaces, function ( $ns ) {
1938 return MWNamespace
::isTalk( $ns );
1941 // prefer non-talk pages
1942 $namespaces = array_diff( $namespaces, $talk );
1943 $namespaces = array_merge( $namespaces, $talk );
1945 // check default content model of each namespace
1946 foreach ( $namespaces as $ns ) {
1947 if ( !isset( $wgNamespaceContentModels[$ns] ) ||
1948 $wgNamespaceContentModels[$ns] === CONTENT_MODEL_WIKITEXT
1957 // @todo Inside a test, we could skip the test as incomplete.
1958 // But frequently, this is used in fixture setup.
1959 throw new MWException( "No namespace defaults to wikitext!" );
1963 * Check, if $wgDiff3 is set and ready to merge
1964 * Will mark the calling test as skipped, if not ready
1968 protected function markTestSkippedIfNoDiff3() {
1971 # This check may also protect against code injection in
1972 # case of broken installations.
1973 Wikimedia\
suppressWarnings();
1974 $haveDiff3 = $wgDiff3 && file_exists( $wgDiff3 );
1975 Wikimedia\restoreWarnings
();
1977 if ( !$haveDiff3 ) {
1978 $this->markTestSkipped( "Skip test, since diff3 is not configured" );
1983 * Check if $extName is a loaded PHP extension, will skip the
1984 * test whenever it is not loaded.
1987 * @param string $extName
1990 protected function checkPHPExtension( $extName ) {
1991 $loaded = extension_loaded( $extName );
1993 $this->markTestSkipped( "PHP extension '$extName' is not loaded, skipping." );
2000 * Used as a marker to prevent wfResetOutputBuffers from breaking PHPUnit.
2001 * @param string $buffer
2004 public static function wfResetOutputBuffersBarrier( $buffer ) {
2009 * Create a temporary hook handler which will be reset by tearDown.
2010 * This replaces other handlers for the same hook.
2011 * @param string $hookName Hook name
2012 * @param mixed $handler Value suitable for a hook handler
2015 protected function setTemporaryHook( $hookName, $handler ) {
2016 $this->mergeMwGlobalArrayValue( 'wgHooks', [ $hookName => [ $handler ] ] );
2020 * Check whether file contains given data.
2021 * @param string $fileName
2022 * @param string $actualData
2023 * @param bool $createIfMissing If true, and file does not exist, create it with given data
2024 * and skip the test.
2025 * @param string $msg
2028 protected function assertFileContains(
2031 $createIfMissing = true,
2034 if ( $createIfMissing ) {
2035 if ( !file_exists( $fileName ) ) {
2036 file_put_contents( $fileName, $actualData );
2037 $this->markTestSkipped( 'Data file $fileName does not exist' );
2040 self
::assertFileExists( $fileName );
2042 self
::assertEquals( file_get_contents( $fileName ), $actualData, $msg );