| Current File : /home/jvzmxxx/wiki1/tests/phpunit/MediaWikiTestCase.php |
<?php
use MediaWiki\Logger\LegacySpi;
use MediaWiki\Logger\LoggerFactory;
use MediaWiki\Logger\MonologSpi;
use MediaWiki\MediaWikiServices;
use Psr\Log\LoggerInterface;
/**
* @since 1.18
*/
abstract class MediaWikiTestCase extends PHPUnit_Framework_TestCase {
/**
* The service locator created by prepareServices(). This service locator will
* be restored after each test. Tests that pollute the global service locator
* instance should use overrideMwServices() to isolate the test.
*
* @var MediaWikiServices|null
*/
private static $serviceLocator = null;
/**
* $called tracks whether the setUp and tearDown method has been called.
* class extending MediaWikiTestCase usually override setUp and tearDown
* but forget to call the parent.
*
* The array format takes a method name as key and anything as a value.
* By asserting the key exist, we know the child class has called the
* parent.
*
* This property must be private, we do not want child to override it,
* they should call the appropriate parent method instead.
*/
private $called = [];
/**
* @var TestUser[]
* @since 1.20
*/
public static $users;
/**
* Primary database
*
* @var Database
* @since 1.18
*/
protected $db;
/**
* @var array
* @since 1.19
*/
protected $tablesUsed = []; // tables with data
private static $useTemporaryTables = true;
private static $reuseDB = false;
private static $dbSetup = false;
private static $oldTablePrefix = '';
/**
* Original value of PHP's error_reporting setting.
*
* @var int
*/
private $phpErrorLevel;
/**
* Holds the paths of temporary files/directories created through getNewTempFile,
* and getNewTempDirectory
*
* @var array
*/
private $tmpFiles = [];
/**
* Holds original values of MediaWiki configuration settings
* to be restored in tearDown().
* See also setMwGlobals().
* @var array
*/
private $mwGlobals = [];
/**
* Holds original loggers which have been replaced by setLogger()
* @var LoggerInterface[]
*/
private $loggers = [];
/**
* Table name prefixes. Oracle likes it shorter.
*/
const DB_PREFIX = 'unittest_';
const ORA_DB_PREFIX = 'ut_';
/**
* @var array
* @since 1.18
*/
protected $supportedDBs = [
'mysql',
'sqlite',
'postgres',
'oracle'
];
public function __construct( $name = null, array $data = [], $dataName = '' ) {
parent::__construct( $name, $data, $dataName );
$this->backupGlobals = false;
$this->backupStaticAttributes = false;
}
public function __destruct() {
// Complain if self::setUp() was called, but not self::tearDown()
// $this->called['setUp'] will be checked by self::testMediaWikiTestCaseParentSetupCalled()
if ( isset( $this->called['setUp'] ) && !isset( $this->called['tearDown'] ) ) {
throw new MWException( static::class . "::tearDown() must call parent::tearDown()" );
}
}
public static function setUpBeforeClass() {
parent::setUpBeforeClass();
// Get the service locator, and reset services if it's not done already
self::$serviceLocator = self::prepareServices( new GlobalVarConfig() );
}
/**
* Convenience method for getting an immutable test user
*
* @since 1.28
*
* @param string[] $groups Groups the test user should be in.
* @return TestUser
*/
public static function getTestUser( $groups = [] ) {
return TestUserRegistry::getImmutableTestUser( $groups );
}
/**
* Convenience method for getting a mutable test user
*
* @since 1.28
*
* @param string[] $groups Groups the test user should be added in.
* @return TestUser
*/
public static function getMutableTestUser( $groups = [] ) {
return TestUserRegistry::getMutableTestUser( __CLASS__, $groups );
}
/**
* Convenience method for getting an immutable admin test user
*
* @since 1.28
*
* @param string[] $groups Groups the test user should be added to.
* @return TestUser
*/
public static function getTestSysop() {
return self::getTestUser( [ 'sysop', 'bureaucrat' ] );
}
/**
* Prepare service configuration for unit testing.
*
* This calls MediaWikiServices::resetGlobalInstance() to allow some critical services
* to be overridden for testing.
*
* prepareServices() only needs to be called once, but should be called as early as possible,
* before any class has a chance to grab a reference to any of the global services
* instances that get discarded by prepareServices(). Only the first call has any effect,
* later calls are ignored.
*
* @note This is called by PHPUnitMaintClass::finalSetup.
*
* @see MediaWikiServices::resetGlobalInstance()
*
* @param Config $bootstrapConfig The bootstrap config to use with the new
* MediaWikiServices. Only used for the first call to this method.
* @return MediaWikiServices
*/
public static function prepareServices( Config $bootstrapConfig ) {
static $services = null;
if ( !$services ) {
$services = self::resetGlobalServices( $bootstrapConfig );
}
return $services;
}
/**
* Reset global services, and install testing environment.
* This is the testing equivalent of MediaWikiServices::resetGlobalInstance().
* This should only be used to set up the testing environment, not when
* running unit tests. Use MediaWikiTestCase::overrideMwServices() for that.
*
* @see MediaWikiServices::resetGlobalInstance()
* @see prepareServices()
* @see MediaWikiTestCase::overrideMwServices()
*
* @param Config|null $bootstrapConfig The bootstrap config to use with the new
* MediaWikiServices.
*/
protected static function resetGlobalServices( Config $bootstrapConfig = null ) {
$oldServices = MediaWikiServices::getInstance();
$oldConfigFactory = $oldServices->getConfigFactory();
$testConfig = self::makeTestConfig( $bootstrapConfig );
MediaWikiServices::resetGlobalInstance( $testConfig );
$serviceLocator = MediaWikiServices::getInstance();
self::installTestServices(
$oldConfigFactory,
$serviceLocator
);
return $serviceLocator;
}
/**
* Create a config suitable for testing, based on a base config, default overrides,
* and custom overrides.
*
* @param Config|null $baseConfig
* @param Config|null $customOverrides
*
* @return Config
*/
private static function makeTestConfig(
Config $baseConfig = null,
Config $customOverrides = null
) {
$defaultOverrides = new HashConfig();
if ( !$baseConfig ) {
$baseConfig = MediaWikiServices::getInstance()->getBootstrapConfig();
}
/* Some functions require some kind of caching, and will end up using the db,
* which we can't allow, as that would open a new connection for mysql.
* Replace with a HashBag. They would not be going to persist anyway.
*/
$hashCache = [ 'class' => 'HashBagOStuff', 'reportDupes' => false ];
$objectCaches = [
CACHE_DB => $hashCache,
CACHE_ACCEL => $hashCache,
CACHE_MEMCACHED => $hashCache,
'apc' => $hashCache,
'xcache' => $hashCache,
'wincache' => $hashCache,
] + $baseConfig->get( 'ObjectCaches' );
$defaultOverrides->set( 'ObjectCaches', $objectCaches );
$defaultOverrides->set( 'MainCacheType', CACHE_NONE );
$defaultOverrides->set( 'JobTypeConf', [ 'default' => [ 'class' => 'JobQueueMemory' ] ] );
// Use a fast hash algorithm to hash passwords.
$defaultOverrides->set( 'PasswordDefault', 'A' );
$testConfig = $customOverrides
? new MultiConfig( [ $customOverrides, $defaultOverrides, $baseConfig ] )
: new MultiConfig( [ $defaultOverrides, $baseConfig ] );
return $testConfig;
}
/**
* @param ConfigFactory $oldConfigFactory
* @param MediaWikiServices $newServices
*
* @throws MWException
*/
private static function installTestServices(
ConfigFactory $oldConfigFactory,
MediaWikiServices $newServices
) {
// Use bootstrap config for all configuration.
// This allows config overrides via global variables to take effect.
$bootstrapConfig = $newServices->getBootstrapConfig();
$newServices->resetServiceForTesting( 'ConfigFactory' );
$newServices->redefineService(
'ConfigFactory',
self::makeTestConfigFactoryInstantiator(
$oldConfigFactory,
[ 'main' => $bootstrapConfig ]
)
);
}
/**
* @param ConfigFactory $oldFactory
* @param Config[] $configurations
*
* @return Closure
*/
private static function makeTestConfigFactoryInstantiator(
ConfigFactory $oldFactory,
array $configurations
) {
return function( MediaWikiServices $services ) use ( $oldFactory, $configurations ) {
$factory = new ConfigFactory();
// clone configurations from $oldFactory that are not overwritten by $configurations
$namesToClone = array_diff(
$oldFactory->getConfigNames(),
array_keys( $configurations )
);
foreach ( $namesToClone as $name ) {
$factory->register( $name, $oldFactory->makeConfig( $name ) );
}
foreach ( $configurations as $name => $config ) {
$factory->register( $name, $config );
}
return $factory;
};
}
/**
* Resets some well known services that typically have state that may interfere with unit tests.
* This is a lightweight alternative to resetGlobalServices().
*
* @note There is no guarantee that no references remain to stale service instances destroyed
* by a call to doLightweightServiceReset().
*
* @throws MWException if called outside of PHPUnit tests.
*
* @see resetGlobalServices()
*/
private function doLightweightServiceReset() {
global $wgRequest;
JobQueueGroup::destroySingletons();
ObjectCache::clear();
$services = MediaWikiServices::getInstance();
$services->resetServiceForTesting( 'MainObjectStash' );
$services->resetServiceForTesting( 'LocalServerObjectCache' );
$services->getMainWANObjectCache()->clearProcessCache();
FileBackendGroup::destroySingleton();
// TODO: move global state into MediaWikiServices
RequestContext::resetMain();
if ( session_id() !== '' ) {
session_write_close();
session_id( '' );
}
$wgRequest = new FauxRequest();
MediaWiki\Session\SessionManager::resetCache();
}
public function run( PHPUnit_Framework_TestResult $result = null ) {
// Reset all caches between tests.
$this->doLightweightServiceReset();
$needsResetDB = false;
if ( !self::$dbSetup || $this->needsDB() ) {
// set up a DB connection for this test to use
self::$useTemporaryTables = !$this->getCliArg( 'use-normal-tables' );
self::$reuseDB = $this->getCliArg( 'reuse-db' );
$this->db = wfGetDB( DB_MASTER );
$this->checkDbIsSupported();
if ( !self::$dbSetup ) {
$this->setupAllTestDBs();
$this->addCoreDBData();
if ( ( $this->db->getType() == 'oracle' || !self::$useTemporaryTables ) && self::$reuseDB ) {
$this->resetDB( $this->db, $this->tablesUsed );
}
}
// TODO: the DB setup should be done in setUpBeforeClass(), so the test DB
// is available in subclass's setUpBeforeClass() and setUp() methods.
// This would also remove the need for the HACK that is oncePerClass().
if ( $this->oncePerClass() ) {
$this->addDBDataOnce();
}
$this->addDBData();
$needsResetDB = true;
}
parent::run( $result );
if ( $needsResetDB ) {
$this->resetDB( $this->db, $this->tablesUsed );
}
}
/**
* @return bool
*/
private function oncePerClass() {
// Remember current test class in the database connection,
// so we know when we need to run addData.
$class = static::class;
$first = !isset( $this->db->_hasDataForTestClass )
|| $this->db->_hasDataForTestClass !== $class;
$this->db->_hasDataForTestClass = $class;
return $first;
}
/**
* @since 1.21
*
* @return bool
*/
public function usesTemporaryTables() {
return self::$useTemporaryTables;
}
/**
* Obtains a new temporary file name
*
* The obtained filename is enlisted to be removed upon tearDown
*
* @since 1.20
*
* @return string Absolute name of the temporary file
*/
protected function getNewTempFile() {
$fileName = tempnam( wfTempDir(), 'MW_PHPUnit_' . get_class( $this ) . '_' );
$this->tmpFiles[] = $fileName;
return $fileName;
}
/**
* obtains a new temporary directory
*
* The obtained directory is enlisted to be removed (recursively with all its contained
* files) upon tearDown.
*
* @since 1.20
*
* @return string Absolute name of the temporary directory
*/
protected function getNewTempDirectory() {
// Starting of with a temporary /file/.
$fileName = $this->getNewTempFile();
// Converting the temporary /file/ to a /directory/
// The following is not atomic, but at least we now have a single place,
// where temporary directory creation is bundled and can be improved
unlink( $fileName );
$this->assertTrue( wfMkdirParents( $fileName ) );
return $fileName;
}
protected function setUp() {
parent::setUp();
$this->called['setUp'] = true;
$this->phpErrorLevel = intval( ini_get( 'error_reporting' ) );
// Cleaning up temporary files
foreach ( $this->tmpFiles as $fileName ) {
if ( is_file( $fileName ) || ( is_link( $fileName ) ) ) {
unlink( $fileName );
} elseif ( is_dir( $fileName ) ) {
wfRecursiveRemoveDir( $fileName );
}
}
if ( $this->needsDB() && $this->db ) {
// Clean up open transactions
while ( $this->db->trxLevel() > 0 ) {
$this->db->rollback( __METHOD__, 'flush' );
}
// Check for unsafe queries
if ( $this->db->getType() === 'mysql' ) {
$this->db->query( "SET sql_mode = 'STRICT_ALL_TABLES'" );
}
}
DeferredUpdates::clearPendingUpdates();
ObjectCache::getMainWANInstance()->clearProcessCache();
// XXX: reset maintenance triggers
// Hook into period lag checks which often happen in long-running scripts
$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
Maintenance::setLBFactoryTriggers( $lbFactory );
ob_start( 'MediaWikiTestCase::wfResetOutputBuffersBarrier' );
}
protected function addTmpFiles( $files ) {
$this->tmpFiles = array_merge( $this->tmpFiles, (array)$files );
}
protected function tearDown() {
global $wgRequest, $wgSQLMode;
$status = ob_get_status();
if ( isset( $status['name'] ) &&
$status['name'] === 'MediaWikiTestCase::wfResetOutputBuffersBarrier'
) {
ob_end_flush();
}
$this->called['tearDown'] = true;
// Cleaning up temporary files
foreach ( $this->tmpFiles as $fileName ) {
if ( is_file( $fileName ) || ( is_link( $fileName ) ) ) {
unlink( $fileName );
} elseif ( is_dir( $fileName ) ) {
wfRecursiveRemoveDir( $fileName );
}
}
if ( $this->needsDB() && $this->db ) {
// Clean up open transactions
while ( $this->db->trxLevel() > 0 ) {
$this->db->rollback( __METHOD__, 'flush' );
}
if ( $this->db->getType() === 'mysql' ) {
$this->db->query( "SET sql_mode = " . $this->db->addQuotes( $wgSQLMode ) );
}
}
// Restore mw globals
foreach ( $this->mwGlobals as $key => $value ) {
$GLOBALS[$key] = $value;
}
$this->mwGlobals = [];
$this->restoreLoggers();
if ( self::$serviceLocator && MediaWikiServices::getInstance() !== self::$serviceLocator ) {
MediaWikiServices::forceGlobalInstance( self::$serviceLocator );
}
// TODO: move global state into MediaWikiServices
RequestContext::resetMain();
if ( session_id() !== '' ) {
session_write_close();
session_id( '' );
}
$wgRequest = new FauxRequest();
MediaWiki\Session\SessionManager::resetCache();
MediaWiki\Auth\AuthManager::resetCache();
$phpErrorLevel = intval( ini_get( 'error_reporting' ) );
if ( $phpErrorLevel !== $this->phpErrorLevel ) {
ini_set( 'error_reporting', $this->phpErrorLevel );
$oldHex = strtoupper( dechex( $this->phpErrorLevel ) );
$newHex = strtoupper( dechex( $phpErrorLevel ) );
$message = "PHP error_reporting setting was left dirty: "
. "was 0x$oldHex before test, 0x$newHex after test!";
$this->fail( $message );
}
parent::tearDown();
}
/**
* Make sure MediaWikiTestCase extending classes have called their
* parent setUp method
*/
final public function testMediaWikiTestCaseParentSetupCalled() {
$this->assertArrayHasKey( 'setUp', $this->called,
static::class . '::setUp() must call parent::setUp()'
);
}
/**
* Sets a service, maintaining a stashed version of the previous service to be
* restored in tearDown
*
* @since 1.27
*
* @param string $name
* @param object $object
*/
protected function setService( $name, $object ) {
// If we did not yet override the service locator, so so now.
if ( MediaWikiServices::getInstance() === self::$serviceLocator ) {
$this->overrideMwServices();
}
MediaWikiServices::getInstance()->disableService( $name );
MediaWikiServices::getInstance()->redefineService(
$name,
function () use ( $object ) {
return $object;
}
);
}
/**
* Sets a global, maintaining a stashed version of the previous global to be
* restored in tearDown
*
* The key is added to the array of globals that will be reset afterwards
* in the tearDown().
*
* @example
* <code>
* protected function setUp() {
* $this->setMwGlobals( 'wgRestrictStuff', true );
* }
*
* function testFoo() {}
*
* function testBar() {}
* $this->assertTrue( self::getX()->doStuff() );
*
* $this->setMwGlobals( 'wgRestrictStuff', false );
* $this->assertTrue( self::getX()->doStuff() );
* }
*
* function testQuux() {}
* </code>
*
* @param array|string $pairs Key to the global variable, or an array
* of key/value pairs.
* @param mixed $value Value to set the global to (ignored
* if an array is given as first argument).
*
* @note To allow changes to global variables to take effect on global service instances,
* call overrideMwServices().
*
* @since 1.21
*/
protected function setMwGlobals( $pairs, $value = null ) {
if ( is_string( $pairs ) ) {
$pairs = [ $pairs => $value ];
}
$this->stashMwGlobals( array_keys( $pairs ) );
foreach ( $pairs as $key => $value ) {
$GLOBALS[$key] = $value;
}
}
/**
* Check if we can back up a value by performing a shallow copy.
* Values which fail this test are copied recursively.
*
* @param mixed $value
* @return bool True if a shallow copy will do; false if a deep copy
* is required.
*/
private static function canShallowCopy( $value ) {
if ( is_scalar( $value ) || $value === null ) {
return true;
}
if ( is_array( $value ) ) {
foreach ( $value as $subValue ) {
if ( !is_scalar( $subValue ) && $subValue !== null ) {
return false;
}
}
return true;
}
return false;
}
/**
* Stashes the global, will be restored in tearDown()
*
* Individual test functions may override globals through the setMwGlobals() function
* or directly. When directly overriding globals their keys should first be passed to this
* method in setUp to avoid breaking global state for other tests
*
* That way all other tests are executed with the same settings (instead of using the
* unreliable local settings for most tests and fix it only for some tests).
*
* @param array|string $globalKeys Key to the global variable, or an array of keys.
*
* @throws Exception When trying to stash an unset global
*
* @note To allow changes to global variables to take effect on global service instances,
* call overrideMwServices().
*
* @since 1.23
*/
protected function stashMwGlobals( $globalKeys ) {
if ( is_string( $globalKeys ) ) {
$globalKeys = [ $globalKeys ];
}
foreach ( $globalKeys as $globalKey ) {
// NOTE: make sure we only save the global once or a second call to
// setMwGlobals() on the same global would override the original
// value.
if ( !array_key_exists( $globalKey, $this->mwGlobals ) ) {
if ( !array_key_exists( $globalKey, $GLOBALS ) ) {
throw new Exception( "Global with key {$globalKey} doesn't exist and cant be stashed" );
}
// NOTE: we serialize then unserialize the value in case it is an object
// this stops any objects being passed by reference. We could use clone
// and if is_object but this does account for objects within objects!
if ( self::canShallowCopy( $GLOBALS[$globalKey] ) ) {
$this->mwGlobals[$globalKey] = $GLOBALS[$globalKey];
} elseif (
// Many MediaWiki types are safe to clone. These are the
// ones that are most commonly stashed.
$GLOBALS[$globalKey] instanceof Language ||
$GLOBALS[$globalKey] instanceof User ||
$GLOBALS[$globalKey] instanceof FauxRequest
) {
$this->mwGlobals[$globalKey] = clone $GLOBALS[$globalKey];
} else {
try {
$this->mwGlobals[$globalKey] = unserialize( serialize( $GLOBALS[$globalKey] ) );
} catch ( Exception $e ) {
$this->mwGlobals[$globalKey] = $GLOBALS[$globalKey];
}
}
}
}
}
/**
* Merges the given values into a MW global array variable.
* Useful for setting some entries in a configuration array, instead of
* setting the entire array.
*
* @param string $name The name of the global, as in wgFooBar
* @param array $values The array containing the entries to set in that global
*
* @throws MWException If the designated global is not an array.
*
* @note To allow changes to global variables to take effect on global service instances,
* call overrideMwServices().
*
* @since 1.21
*/
protected function mergeMwGlobalArrayValue( $name, $values ) {
if ( !isset( $GLOBALS[$name] ) ) {
$merged = $values;
} else {
if ( !is_array( $GLOBALS[$name] ) ) {
throw new MWException( "MW global $name is not an array." );
}
// NOTE: do not use array_merge, it screws up for numeric keys.
$merged = $GLOBALS[$name];
foreach ( $values as $k => $v ) {
$merged[$k] = $v;
}
}
$this->setMwGlobals( $name, $merged );
}
/**
* Stashes the global instance of MediaWikiServices, and installs a new one,
* allowing test cases to override settings and services.
* The previous instance of MediaWikiServices will be restored on tearDown.
*
* @since 1.27
*
* @param Config $configOverrides Configuration overrides for the new MediaWikiServices instance.
* @param callable[] $services An associative array of services to re-define. Keys are service
* names, values are callables.
*
* @return MediaWikiServices
* @throws MWException
*/
protected function overrideMwServices( Config $configOverrides = null, array $services = [] ) {
if ( !$configOverrides ) {
$configOverrides = new HashConfig();
}
$oldInstance = MediaWikiServices::getInstance();
$oldConfigFactory = $oldInstance->getConfigFactory();
$testConfig = self::makeTestConfig( null, $configOverrides );
$newInstance = new MediaWikiServices( $testConfig );
// Load the default wiring from the specified files.
// NOTE: this logic mirrors the logic in MediaWikiServices::newInstance.
$wiringFiles = $testConfig->get( 'ServiceWiringFiles' );
$newInstance->loadWiringFiles( $wiringFiles );
// Provide a traditional hook point to allow extensions to configure services.
Hooks::run( 'MediaWikiServices', [ $newInstance ] );
foreach ( $services as $name => $callback ) {
$newInstance->redefineService( $name, $callback );
}
self::installTestServices(
$oldConfigFactory,
$newInstance
);
MediaWikiServices::forceGlobalInstance( $newInstance );
return $newInstance;
}
/**
* @since 1.27
* @param string|Language $lang
*/
public function setUserLang( $lang ) {
RequestContext::getMain()->setLanguage( $lang );
$this->setMwGlobals( 'wgLang', RequestContext::getMain()->getLanguage() );
}
/**
* @since 1.27
* @param string|Language $lang
*/
public function setContentLang( $lang ) {
if ( $lang instanceof Language ) {
$langCode = $lang->getCode();
$langObj = $lang;
} else {
$langCode = $lang;
$langObj = Language::factory( $langCode );
}
$this->setMwGlobals( [
'wgLanguageCode' => $langCode,
'wgContLang' => $langObj,
] );
}
/**
* Sets the logger for a specified channel, for the duration of the test.
* @since 1.27
* @param string $channel
* @param LoggerInterface $logger
*/
protected function setLogger( $channel, LoggerInterface $logger ) {
// TODO: Once loggers are managed by MediaWikiServices, use
// overrideMwServices() to set loggers.
$provider = LoggerFactory::getProvider();
$wrappedProvider = TestingAccessWrapper::newFromObject( $provider );
$singletons = $wrappedProvider->singletons;
if ( $provider instanceof MonologSpi ) {
if ( !isset( $this->loggers[$channel] ) ) {
$this->loggers[$channel] = isset( $singletons['loggers'][$channel] )
? $singletons['loggers'][$channel] : null;
}
$singletons['loggers'][$channel] = $logger;
} elseif ( $provider instanceof LegacySpi ) {
if ( !isset( $this->loggers[$channel] ) ) {
$this->loggers[$channel] = isset( $singletons[$channel] ) ? $singletons[$channel] : null;
}
$singletons[$channel] = $logger;
} else {
throw new LogicException( __METHOD__ . ': setting a logger for ' . get_class( $provider )
. ' is not implemented' );
}
$wrappedProvider->singletons = $singletons;
}
/**
* Restores loggers replaced by setLogger().
* @since 1.27
*/
private function restoreLoggers() {
$provider = LoggerFactory::getProvider();
$wrappedProvider = TestingAccessWrapper::newFromObject( $provider );
$singletons = $wrappedProvider->singletons;
foreach ( $this->loggers as $channel => $logger ) {
if ( $provider instanceof MonologSpi ) {
if ( $logger === null ) {
unset( $singletons['loggers'][$channel] );
} else {
$singletons['loggers'][$channel] = $logger;
}
} elseif ( $provider instanceof LegacySpi ) {
if ( $logger === null ) {
unset( $singletons[$channel] );
} else {
$singletons[$channel] = $logger;
}
}
}
$wrappedProvider->singletons = $singletons;
$this->loggers = [];
}
/**
* @return string
* @since 1.18
*/
public function dbPrefix() {
return $this->db->getType() == 'oracle' ? self::ORA_DB_PREFIX : self::DB_PREFIX;
}
/**
* @return bool
* @since 1.18
*/
public function needsDB() {
# if the test says it uses database tables, it needs the database
if ( $this->tablesUsed ) {
return true;
}
# if the test says it belongs to the Database group, it needs the database
$rc = new ReflectionClass( $this );
if ( preg_match( '/@group +Database/im', $rc->getDocComment() ) ) {
return true;
}
return false;
}
/**
* Insert a new page.
*
* Should be called from addDBData().
*
* @since 1.25 ($namespace in 1.28)
* @param string|title $pageName Page name or title
* @param string $text Page's content
* @param int $namespace Namespace id (name cannot already contain namespace)
* @return array Title object and page id
*/
protected function insertPage(
$pageName,
$text = 'Sample page for unit test.',
$namespace = null
) {
if ( is_string( $pageName ) ) {
$title = Title::newFromText( $pageName, $namespace );
} else {
$title = $pageName;
}
$user = static::getTestSysop()->getUser();
$comment = __METHOD__ . ': Sample page for unit test.';
// Avoid memory leak...?
// LinkCache::singleton()->clear();
// Maybe. But doing this absolutely breaks $title->isRedirect() when called during unit tests....
$page = WikiPage::factory( $title );
$page->doEditContent( ContentHandler::makeContent( $text, $title ), $comment, 0, false, $user );
return [
'title' => $title,
'id' => $page->getId(),
];
}
/**
* Stub. If a test suite needs to add additional data to the database, it should
* implement this method and do so. This method is called once per test suite
* (i.e. once per class).
*
* Note data added by this method may be removed by resetDB() depending on
* the contents of $tablesUsed.
*
* To add additional data between test function runs, override prepareDB().
*
* @see addDBData()
* @see resetDB()
*
* @since 1.27
*/
public function addDBDataOnce() {
}
/**
* Stub. Subclasses may override this to prepare the database.
* Called before every test run (test function or data set).
*
* @see addDBDataOnce()
* @see resetDB()
*
* @since 1.18
*/
public function addDBData() {
}
private function addCoreDBData() {
if ( $this->db->getType() == 'oracle' ) {
# Insert 0 user to prevent FK violations
# Anonymous user
if ( !$this->db->selectField( 'user', '1', [ 'user_id' => 0 ] ) ) {
$this->db->insert( 'user', [
'user_id' => 0,
'user_name' => 'Anonymous' ], __METHOD__, [ 'IGNORE' ] );
}
# Insert 0 page to prevent FK violations
# Blank page
if ( !$this->db->selectField( 'page', '1', [ 'page_id' => 0 ] ) ) {
$this->db->insert( 'page', [
'page_id' => 0,
'page_namespace' => 0,
'page_title' => ' ',
'page_restrictions' => null,
'page_is_redirect' => 0,
'page_is_new' => 0,
'page_random' => 0,
'page_touched' => $this->db->timestamp(),
'page_latest' => 0,
'page_len' => 0 ], __METHOD__, [ 'IGNORE' ] );
}
}
User::resetIdByNameCache();
// Make sysop user
$user = static::getTestSysop()->getUser();
// Make 1 page with 1 revision
$page = WikiPage::factory( Title::newFromText( 'UTPage' ) );
if ( $page->getId() == 0 ) {
$page->doEditContent(
new WikitextContent( 'UTContent' ),
'UTPageSummary',
EDIT_NEW,
false,
$user
);
// doEditContent() probably started the session via
// User::loadFromSession(). Close it now.
if ( session_id() !== '' ) {
session_write_close();
session_id( '' );
}
}
}
/**
* Restores MediaWiki to using the table set (table prefix) it was using before
* setupTestDB() was called. Useful if we need to perform database operations
* after the test run has finished (such as saving logs or profiling info).
*
* @since 1.21
*/
public static function teardownTestDB() {
global $wgJobClasses;
if ( !self::$dbSetup ) {
return;
}
foreach ( $wgJobClasses as $type => $class ) {
// Delete any jobs under the clone DB (or old prefix in other stores)
JobQueueGroup::singleton()->get( $type )->delete();
}
CloneDatabase::changePrefix( self::$oldTablePrefix );
self::$oldTablePrefix = false;
self::$dbSetup = false;
}
/**
* Setups a database with the given prefix.
*
* If reuseDB is true and certain conditions apply, it will just change the prefix.
* Otherwise, it will clone the tables and change the prefix.
*
* Clones all tables in the given database (whatever database that connection has
* open), to versions with the test prefix.
*
* @param Database $db Database to use
* @param string $prefix Prefix to use for test tables
* @return bool True if tables were cloned, false if only the prefix was changed
*/
protected static function setupDatabaseWithTestPrefix( Database $db, $prefix ) {
$tablesCloned = self::listTables( $db );
$dbClone = new CloneDatabase( $db, $tablesCloned, $prefix );
$dbClone->useTemporaryTables( self::$useTemporaryTables );
if ( ( $db->getType() == 'oracle' || !self::$useTemporaryTables ) && self::$reuseDB ) {
CloneDatabase::changePrefix( $prefix );
return false;
} else {
$dbClone->cloneTableStructure();
return true;
}
}
/**
* Set up all test DBs
*/
public function setupAllTestDBs() {
global $wgDBprefix;
self::$oldTablePrefix = $wgDBprefix;
$testPrefix = $this->dbPrefix();
// switch to a temporary clone of the database
self::setupTestDB( $this->db, $testPrefix );
if ( self::isUsingExternalStoreDB() ) {
self::setupExternalStoreTestDBs( $testPrefix );
}
}
/**
* Creates an empty skeleton of the wiki database by cloning its structure
* to equivalent tables using the given $prefix. Then sets MediaWiki to
* use the new set of tables (aka schema) instead of the original set.
*
* This is used to generate a dummy table set, typically consisting of temporary
* tables, that will be used by tests instead of the original wiki database tables.
*
* @since 1.21
*
* @note the original table prefix is stored in self::$oldTablePrefix. This is used
* by teardownTestDB() to return the wiki to using the original table set.
*
* @note this method only works when first called. Subsequent calls have no effect,
* even if using different parameters.
*
* @param Database $db The database connection
* @param string $prefix The prefix to use for the new table set (aka schema).
*
* @throws MWException If the database table prefix is already $prefix
*/
public static function setupTestDB( Database $db, $prefix ) {
if ( self::$dbSetup ) {
return;
}
if ( $db->tablePrefix() === $prefix ) {
throw new MWException(
'Cannot run unit tests, the database prefix is already "' . $prefix . '"' );
}
// TODO: the below should be re-written as soon as LBFactory, LoadBalancer,
// and Database no longer use global state.
self::$dbSetup = true;
if ( !self::setupDatabaseWithTestPrefix( $db, $prefix ) ) {
return;
}
// Assuming this isn't needed for External Store database, and not sure if the procedure
// would be available there.
if ( $db->getType() == 'oracle' ) {
$db->query( 'BEGIN FILL_WIKI_INFO; END;' );
}
}
/**
* Clones the External Store database(s) for testing
*
* @param string $testPrefix Prefix for test tables
*/
protected static function setupExternalStoreTestDBs( $testPrefix ) {
$connections = self::getExternalStoreDatabaseConnections();
foreach ( $connections as $dbw ) {
// Hack: cloneTableStructure sets $wgDBprefix to the unit test
// prefix,. Even though listTables now uses tablePrefix, that
// itself is populated from $wgDBprefix by default.
// We have to set it back, or we won't find the original 'blobs'
// table to copy.
$dbw->tablePrefix( self::$oldTablePrefix );
self::setupDatabaseWithTestPrefix( $dbw, $testPrefix );
}
}
/**
* Gets master database connections for all of the ExternalStoreDB
* stores configured in $wgDefaultExternalStore.
*
* @return Database[] Array of Database master connections
*/
protected static function getExternalStoreDatabaseConnections() {
global $wgDefaultExternalStore;
/** @var ExternalStoreDB $externalStoreDB */
$externalStoreDB = ExternalStore::getStoreObject( 'DB' );
$defaultArray = (array) $wgDefaultExternalStore;
$dbws = [];
foreach ( $defaultArray as $url ) {
if ( strpos( $url, 'DB://' ) === 0 ) {
list( $proto, $cluster ) = explode( '://', $url, 2 );
// Avoid getMaster() because setupDatabaseWithTestPrefix()
// requires Database instead of plain DBConnRef/IDatabase
$lb = $externalStoreDB->getLoadBalancer( $cluster );
$dbw = $lb->getConnection( DB_MASTER );
$dbws[] = $dbw;
}
}
return $dbws;
}
/**
* Check whether ExternalStoreDB is being used
*
* @return bool True if it's being used
*/
protected static function isUsingExternalStoreDB() {
global $wgDefaultExternalStore;
if ( !$wgDefaultExternalStore ) {
return false;
}
$defaultArray = (array) $wgDefaultExternalStore;
foreach ( $defaultArray as $url ) {
if ( strpos( $url, 'DB://' ) === 0 ) {
return true;
}
}
return false;
}
/**
* Empty all tables so they can be repopulated for tests
*
* @param Database $db|null Database to reset
* @param array $tablesUsed Tables to reset
*/
private function resetDB( $db, $tablesUsed ) {
if ( $db ) {
$userTables = [ 'user', 'user_groups', 'user_properties' ];
$coreDBDataTables = array_merge( $userTables, [ 'page', 'revision' ] );
// If any of the user tables were marked as used, we should clear all of them.
if ( array_intersect( $tablesUsed, $userTables ) ) {
$tablesUsed = array_unique( array_merge( $tablesUsed, $userTables ) );
TestUserRegistry::clear();
}
$truncate = in_array( $db->getType(), [ 'oracle', 'mysql' ] );
foreach ( $tablesUsed as $tbl ) {
// TODO: reset interwiki table to its original content.
if ( $tbl == 'interwiki' ) {
continue;
}
if ( $truncate ) {
$db->query( 'TRUNCATE TABLE ' . $db->tableName( $tbl ), __METHOD__ );
} else {
$db->delete( $tbl, '*', __METHOD__ );
}
if ( $tbl === 'page' ) {
// Forget about the pages since they don't
// exist in the DB.
LinkCache::singleton()->clear();
}
}
if ( array_intersect( $tablesUsed, $coreDBDataTables ) ) {
// Re-add core DB data that was deleted
$this->addCoreDBData();
}
}
}
/**
* @since 1.18
*
* @param string $func
* @param array $args
*
* @return mixed
* @throws MWException
*/
public function __call( $func, $args ) {
static $compatibility = [
'assertEmpty' => 'assertEmpty2', // assertEmpty was added in phpunit 3.7.32
];
if ( isset( $compatibility[$func] ) ) {
return call_user_func_array( [ $this, $compatibility[$func] ], $args );
} else {
throw new MWException( "Called non-existent $func method on "
. get_class( $this ) );
}
}
/**
* Used as a compatibility method for phpunit < 3.7.32
* @param string $value
* @param string $msg
*/
private function assertEmpty2( $value, $msg ) {
$this->assertTrue( $value == '', $msg );
}
private static function unprefixTable( &$tableName, $ind, $prefix ) {
$tableName = substr( $tableName, strlen( $prefix ) );
}
private static function isNotUnittest( $table ) {
return strpos( $table, 'unittest_' ) !== 0;
}
/**
* @since 1.18
*
* @param Database $db
*
* @return array
*/
public static function listTables( Database $db ) {
$prefix = $db->tablePrefix();
$tables = $db->listTables( $prefix, __METHOD__ );
if ( $db->getType() === 'mysql' ) {
static $viewListCache = null;
if ( $viewListCache === null ) {
$viewListCache = $db->listViews( null, __METHOD__ );
}
// T45571: cannot clone VIEWs under MySQL
$tables = array_diff( $tables, $viewListCache );
}
array_walk( $tables, [ __CLASS__, 'unprefixTable' ], $prefix );
// Don't duplicate test tables from the previous fataled run
$tables = array_filter( $tables, [ __CLASS__, 'isNotUnittest' ] );
if ( $db->getType() == 'sqlite' ) {
$tables = array_flip( $tables );
// these are subtables of searchindex and don't need to be duped/dropped separately
unset( $tables['searchindex_content'] );
unset( $tables['searchindex_segdir'] );
unset( $tables['searchindex_segments'] );
$tables = array_flip( $tables );
}
return $tables;
}
/**
* @throws MWException
* @since 1.18
*/
protected function checkDbIsSupported() {
if ( !in_array( $this->db->getType(), $this->supportedDBs ) ) {
throw new MWException( $this->db->getType() . " is not currently supported for unit testing." );
}
}
/**
* @since 1.18
* @param string $offset
* @return mixed
*/
public function getCliArg( $offset ) {
if ( isset( PHPUnitMaintClass::$additionalOptions[$offset] ) ) {
return PHPUnitMaintClass::$additionalOptions[$offset];
}
}
/**
* @since 1.18
* @param string $offset
* @param mixed $value
*/
public function setCliArg( $offset, $value ) {
PHPUnitMaintClass::$additionalOptions[$offset] = $value;
}
/**
* Don't throw a warning if $function is deprecated and called later
*
* @since 1.19
*
* @param string $function
*/
public function hideDeprecated( $function ) {
MediaWiki\suppressWarnings();
wfDeprecated( $function );
MediaWiki\restoreWarnings();
}
/**
* Asserts that the given database query yields the rows given by $expectedRows.
* The expected rows should be given as indexed (not associative) arrays, with
* the values given in the order of the columns in the $fields parameter.
* Note that the rows are sorted by the columns given in $fields.
*
* @since 1.20
*
* @param string|array $table The table(s) to query
* @param string|array $fields The columns to include in the result (and to sort by)
* @param string|array $condition "where" condition(s)
* @param array $expectedRows An array of arrays giving the expected rows.
*
* @throws MWException If this test cases's needsDB() method doesn't return true.
* Test cases can use "@group Database" to enable database test support,
* or list the tables under testing in $this->tablesUsed, or override the
* needsDB() method.
*/
protected function assertSelect( $table, $fields, $condition, array $expectedRows ) {
if ( !$this->needsDB() ) {
throw new MWException( 'When testing database state, the test cases\'s needDB()' .
' method should return true. Use @group Database or $this->tablesUsed.' );
}
$db = wfGetDB( DB_SLAVE );
$res = $db->select( $table, $fields, $condition, wfGetCaller(), [ 'ORDER BY' => $fields ] );
$this->assertNotEmpty( $res, "query failed: " . $db->lastError() );
$i = 0;
foreach ( $expectedRows as $expected ) {
$r = $res->fetchRow();
self::stripStringKeys( $r );
$i += 1;
$this->assertNotEmpty( $r, "row #$i missing" );
$this->assertEquals( $expected, $r, "row #$i mismatches" );
}
$r = $res->fetchRow();
self::stripStringKeys( $r );
$this->assertFalse( $r, "found extra row (after #$i)" );
}
/**
* Utility method taking an array of elements and wrapping
* each element in its own array. Useful for data providers
* that only return a single argument.
*
* @since 1.20
*
* @param array $elements
*
* @return array
*/
protected function arrayWrap( array $elements ) {
return array_map(
function ( $element ) {
return [ $element ];
},
$elements
);
}
/**
* Assert that two arrays are equal. By default this means that both arrays need to hold
* the same set of values. Using additional arguments, order and associated key can also
* be set as relevant.
*
* @since 1.20
*
* @param array $expected
* @param array $actual
* @param bool $ordered If the order of the values should match
* @param bool $named If the keys should match
*/
protected function assertArrayEquals( array $expected, array $actual,
$ordered = false, $named = false
) {
if ( !$ordered ) {
$this->objectAssociativeSort( $expected );
$this->objectAssociativeSort( $actual );
}
if ( !$named ) {
$expected = array_values( $expected );
$actual = array_values( $actual );
}
call_user_func_array(
[ $this, 'assertEquals' ],
array_merge( [ $expected, $actual ], array_slice( func_get_args(), 4 ) )
);
}
/**
* Put each HTML element on its own line and then equals() the results
*
* Use for nicely formatting of PHPUnit diff output when comparing very
* simple HTML
*
* @since 1.20
*
* @param string $expected HTML on oneline
* @param string $actual HTML on oneline
* @param string $msg Optional message
*/
protected function assertHTMLEquals( $expected, $actual, $msg = '' ) {
$expected = str_replace( '>', ">\n", $expected );
$actual = str_replace( '>', ">\n", $actual );
$this->assertEquals( $expected, $actual, $msg );
}
/**
* Does an associative sort that works for objects.
*
* @since 1.20
*
* @param array $array
*/
protected function objectAssociativeSort( array &$array ) {
uasort(
$array,
function ( $a, $b ) {
return serialize( $a ) > serialize( $b ) ? 1 : -1;
}
);
}
/**
* Utility function for eliminating all string keys from an array.
* Useful to turn a database result row as returned by fetchRow() into
* a pure indexed array.
*
* @since 1.20
*
* @param mixed $r The array to remove string keys from.
*/
protected static function stripStringKeys( &$r ) {
if ( !is_array( $r ) ) {
return;
}
foreach ( $r as $k => $v ) {
if ( is_string( $k ) ) {
unset( $r[$k] );
}
}
}
/**
* Asserts that the provided variable is of the specified
* internal type or equals the $value argument. This is useful
* for testing return types of functions that return a certain
* type or *value* when not set or on error.
*
* @since 1.20
*
* @param string $type
* @param mixed $actual
* @param mixed $value
* @param string $message
*/
protected function assertTypeOrValue( $type, $actual, $value = false, $message = '' ) {
if ( $actual === $value ) {
$this->assertTrue( true, $message );
} else {
$this->assertType( $type, $actual, $message );
}
}
/**
* Asserts the type of the provided value. This can be either
* in internal type such as boolean or integer, or a class or
* interface the value extends or implements.
*
* @since 1.20
*
* @param string $type
* @param mixed $actual
* @param string $message
*/
protected function assertType( $type, $actual, $message = '' ) {
if ( class_exists( $type ) || interface_exists( $type ) ) {
$this->assertInstanceOf( $type, $actual, $message );
} else {
$this->assertInternalType( $type, $actual, $message );
}
}
/**
* Returns true if the given namespace defaults to Wikitext
* according to $wgNamespaceContentModels
*
* @param int $ns The namespace ID to check
*
* @return bool
* @since 1.21
*/
protected function isWikitextNS( $ns ) {
global $wgNamespaceContentModels;
if ( isset( $wgNamespaceContentModels[$ns] ) ) {
return $wgNamespaceContentModels[$ns] === CONTENT_MODEL_WIKITEXT;
}
return true;
}
/**
* Returns the ID of a namespace that defaults to Wikitext.
*
* @throws MWException If there is none.
* @return int The ID of the wikitext Namespace
* @since 1.21
*/
protected function getDefaultWikitextNS() {
global $wgNamespaceContentModels;
static $wikitextNS = null; // this is not going to change
if ( $wikitextNS !== null ) {
return $wikitextNS;
}
// quickly short out on most common case:
if ( !isset( $wgNamespaceContentModels[NS_MAIN] ) ) {
return NS_MAIN;
}
// NOTE: prefer content namespaces
$namespaces = array_unique( array_merge(
MWNamespace::getContentNamespaces(),
[ NS_MAIN, NS_HELP, NS_PROJECT ], // prefer these
MWNamespace::getValidNamespaces()
) );
$namespaces = array_diff( $namespaces, [
NS_FILE, NS_CATEGORY, NS_MEDIAWIKI, NS_USER // don't mess with magic namespaces
] );
$talk = array_filter( $namespaces, function ( $ns ) {
return MWNamespace::isTalk( $ns );
} );
// prefer non-talk pages
$namespaces = array_diff( $namespaces, $talk );
$namespaces = array_merge( $namespaces, $talk );
// check default content model of each namespace
foreach ( $namespaces as $ns ) {
if ( !isset( $wgNamespaceContentModels[$ns] ) ||
$wgNamespaceContentModels[$ns] === CONTENT_MODEL_WIKITEXT
) {
$wikitextNS = $ns;
return $wikitextNS;
}
}
// give up
// @todo Inside a test, we could skip the test as incomplete.
// But frequently, this is used in fixture setup.
throw new MWException( "No namespace defaults to wikitext!" );
}
/**
* Check, if $wgDiff3 is set and ready to merge
* Will mark the calling test as skipped, if not ready
*
* @since 1.21
*/
protected function markTestSkippedIfNoDiff3() {
global $wgDiff3;
# This check may also protect against code injection in
# case of broken installations.
MediaWiki\suppressWarnings();
$haveDiff3 = $wgDiff3 && file_exists( $wgDiff3 );
MediaWiki\restoreWarnings();
if ( !$haveDiff3 ) {
$this->markTestSkipped( "Skip test, since diff3 is not configured" );
}
}
/**
* Check if $extName is a loaded PHP extension, will skip the
* test whenever it is not loaded.
*
* @since 1.21
* @param string $extName
* @return bool
*/
protected function checkPHPExtension( $extName ) {
$loaded = extension_loaded( $extName );
if ( !$loaded ) {
$this->markTestSkipped( "PHP extension '$extName' is not loaded, skipping." );
}
return $loaded;
}
/**
* Asserts that the given string is a valid HTML snippet.
* Wraps the given string in the required top level tags and
* then calls assertValidHtmlDocument().
* The snippet is expected to be HTML 5.
*
* @since 1.23
*
* @note Will mark the test as skipped if the "tidy" module is not installed.
* @note This ignores $wgUseTidy, so we can check for valid HTML even (and especially)
* when automatic tidying is disabled.
*
* @param string $html An HTML snippet (treated as the contents of the body tag).
*/
protected function assertValidHtmlSnippet( $html ) {
$html = '<!DOCTYPE html><html><head><title>test</title></head><body>' . $html . '</body></html>';
$this->assertValidHtmlDocument( $html );
}
/**
* Asserts that the given string is valid HTML document.
*
* @since 1.23
*
* @note Will mark the test as skipped if the "tidy" module is not installed.
* @note This ignores $wgUseTidy, so we can check for valid HTML even (and especially)
* when automatic tidying is disabled.
*
* @param string $html A complete HTML document
*/
protected function assertValidHtmlDocument( $html ) {
// Note: we only validate if the tidy PHP extension is available.
// In case wgTidyInternal is false, MWTidy would fall back to the command line version
// of tidy. In that case however, we can not reliably detect whether a failing validation
// is due to malformed HTML, or caused by tidy not being installed as a command line tool.
// That would cause all HTML assertions to fail on a system that has no tidy installed.
if ( !$GLOBALS['wgTidyInternal'] || !MWTidy::isEnabled() ) {
$this->markTestSkipped( 'Tidy extension not installed' );
}
$errorBuffer = '';
MWTidy::checkErrors( $html, $errorBuffer );
$allErrors = preg_split( '/[\r\n]+/', $errorBuffer );
// Filter Tidy warnings which aren't useful for us.
// Tidy eg. often cries about parameters missing which have actually
// been deprecated since HTML4, thus we should not care about them.
$errors = preg_grep(
'/^(.*Warning: (trimming empty|.* lacks ".*?" attribute).*|\s*)$/m',
$allErrors, PREG_GREP_INVERT
);
$this->assertEmpty( $errors, implode( "\n", $errors ) );
}
/**
* @param array $matcher
* @param string $actual
* @param bool $isHtml
*
* @return bool
*/
private static function tagMatch( $matcher, $actual, $isHtml = true ) {
$dom = PHPUnit_Util_XML::load( $actual, $isHtml );
$tags = PHPUnit_Util_XML::findNodes( $dom, $matcher, $isHtml );
return count( $tags ) > 0 && $tags[0] instanceof DOMNode;
}
/**
* Note: we are overriding this method to remove the deprecated error
* @see https://phabricator.wikimedia.org/T71505
* @see https://github.com/sebastianbergmann/phpunit/issues/1292
* @deprecated
*
* @param array $matcher
* @param string $actual
* @param string $message
* @param bool $isHtml
*/
public static function assertTag( $matcher, $actual, $message = '', $isHtml = true ) {
// trigger_error(__METHOD__ . ' is deprecated', E_USER_DEPRECATED);
self::assertTrue( self::tagMatch( $matcher, $actual, $isHtml ), $message );
}
/**
* @see MediaWikiTestCase::assertTag
* @deprecated
*
* @param array $matcher
* @param string $actual
* @param string $message
* @param bool $isHtml
*/
public static function assertNotTag( $matcher, $actual, $message = '', $isHtml = true ) {
// trigger_error(__METHOD__ . ' is deprecated', E_USER_DEPRECATED);
self::assertFalse( self::tagMatch( $matcher, $actual, $isHtml ), $message );
}
/**
* Used as a marker to prevent wfResetOutputBuffers from breaking PHPUnit.
* @return string
*/
public static function wfResetOutputBuffersBarrier( $buffer ) {
return $buffer;
}
/**
* Create a temporary hook handler which will be reset by tearDown.
* This replaces other handlers for the same hook.
* @param string $hookName Hook name
* @param mixed $handler Value suitable for a hook handler
* @since 1.28
*/
protected function setTemporaryHook( $hookName, $handler ) {
$this->mergeMwGlobalArrayValue( 'wgHooks', [ $hookName => [ $handler ] ] );
}
}