Current File : /www/varak.net/wiki.varak.net/tests/phpunit/MediaWikiTestCase.php
<?php
use MediaWiki\Logger\LegacySpi;
use MediaWiki\Logger\LoggerFactory;
use MediaWiki\Logger\MonologSpi;
use MediaWiki\MediaWikiServices;
use Psr\Log\LoggerInterface;
use Wikimedia\Rdbms\IDatabase;
use Wikimedia\Rdbms\IMaintainableDatabase;
use Wikimedia\Rdbms\Database;
use Wikimedia\TestingAccessWrapper;
/**
* @since 1.18
*/
abstract class MediaWikiTestCase extends PHPUnit\Framework\TestCase {
use MediaWikiCoversValidator;
use PHPUnit4And6Compat;
/**
* The original service locator. This is overridden during setUp().
*
* @var MediaWikiServices|null
*/
private static $originalServices;
/**
* The local service locator, created during setUp().
* @var MediaWikiServices
*/
private $localServices;
/**
* $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 list of MediaWiki configuration settings to be unset in tearDown().
* See also setMwGlobals().
* @var array
*/
private $mwGlobalsToUnset = [];
/**
* Holds original values of ini settings to be restored
* in tearDown().
* @see setIniSettings()
* @var array
*/
private $iniSettings = [];
/**
* Holds original loggers which have been replaced by setLogger()
* @var LoggerInterface[]
*/
private $loggers = [];
/**
* The CLI arguments passed through from phpunit.php
* @var array
*/
private $cliArgs = [];
/**
* Holds a list of services that were overridden with setService(). Used for printing an error
* if overrideMwServices() overrides a service that was previously set.
* @var string[]
*/
private $overriddenServices = [];
/**
* 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( $this->called['tearDown'] ) ) {
throw new MWException( static::class . "::tearDown() must call parent::tearDown()" );
}
}
public static function setUpBeforeClass() {
parent::setUpBeforeClass();
// Get the original service locator
if ( !self::$originalServices ) {
self::$originalServices = MediaWikiServices::getInstance();
}
}
/**
* Convenience method for getting an immutable test user
*
* @since 1.28
*
* @param string|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|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' ] );
}
/**
* Returns a WikiPage representing an existing page.
*
* @since 1.32
*
* @param Title|string|null $title
* @return WikiPage
* @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 getExistingTestPage( $title = null ) {
if ( !$this->needsDB() ) {
throw new MWException( 'When testing which pages, the test cases\'s needsDB()' .
' method should return true. Use @group Database or $this->tablesUsed.' );
}
$title = ( $title === null ) ? 'UTPage' : $title;
$title = is_string( $title ) ? Title::newFromText( $title ) : $title;
$page = WikiPage::factory( $title );
if ( !$page->exists() ) {
$user = self::getTestSysop()->getUser();
$page->doEditContent(
new WikitextContent( 'UTContent' ),
'UTPageSummary',
EDIT_NEW | EDIT_SUPPRESS_RC,
false,
$user
);
}
return $page;
}
/**
* Returns a WikiPage representing a non-existing page.
*
* @since 1.32
*
* @param Title|string|null $title
* @return WikiPage
* @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 getNonexistingTestPage( $title = null ) {
if ( !$this->needsDB() ) {
throw new MWException( 'When testing which pages, the test cases\'s needsDB()' .
' method should return true. Use @group Database or $this->tablesUsed.' );
}
$title = ( $title === null ) ? 'UTPage-' . rand( 0, 100000 ) : $title;
$title = is_string( $title ) ? Title::newFromText( $title ) : $title;
$page = WikiPage::factory( $title );
if ( $page->exists() ) {
$page->doDeleteArticle( 'Testing' );
}
return $page;
}
/**
* @deprecated since 1.32
*/
public static function prepareServices( Config $bootstrapConfig ) {
}
/**
* 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 ) {
$baseConfig = self::$originalServices->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::class, 'reportDupes' => false ];
$objectCaches = [
CACHE_DB => $hashCache,
CACHE_ACCEL => $hashCache,
CACHE_MEMCACHED => $hashCache,
'apc' => $hashCache,
'apcu' => $hashCache,
'wincache' => $hashCache,
] + $baseConfig->get( 'ObjectCaches' );
$defaultOverrides->set( 'ObjectCaches', $objectCaches );
$defaultOverrides->set( 'MainCacheType', CACHE_NONE );
$defaultOverrides->set( 'JobTypeConf', [ 'default' => [ 'class' => JobQueueMemory::class ] ] );
// 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 $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 non-service singleton instances and other static caches. It's not necessary to
* reset services here.
*/
public static function resetNonServiceCaches() {
global $wgRequest, $wgJobClasses;
foreach ( $wgJobClasses as $type => $class ) {
JobQueueGroup::singleton()->get( $type )->delete();
}
JobQueueGroup::destroySingletons();
ObjectCache::clear();
FileBackendGroup::destroySingleton();
DeferredUpdates::clearPendingUpdates();
// 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 ) {
if ( $result instanceof MediaWikiTestResult ) {
$this->cliArgs = $result->getMediaWikiCliArgs();
}
$this->overrideMwServices();
if ( $this->needsDB() && !$this->isTestInDatabaseGroup() ) {
throw new Exception(
get_class( $this ) . ' apparently needsDB but is not in the Database group'
);
}
$needsResetDB = false;
if ( !self::$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();
}
// 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->setUpSchema( $this->db );
$this->resetDB( $this->db, $this->tablesUsed );
$this->addDBDataOnce();
}
$this->addDBData();
$needsResetDB = true;
}
parent::run( $result );
// We don't mind if we override already-overridden services during cleanup
$this->overriddenServices = [];
if ( $needsResetDB ) {
$this->resetDB( $this->db, $this->tablesUsed );
}
self::restoreMwServices();
$this->localServices = null;
}
/**
* @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_' . static::class . '_' );
$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' ) );
$this->overriddenServices = [];
// 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'", __METHOD__ );
}
}
// Reset all caches between tests.
self::resetNonServiceCaches();
// XXX: reset maintenance triggers
// Hook into period lag checks which often happen in long-running scripts
$lbFactory = $this->localServices->getDBLoadBalancerFactory();
Maintenance::setLBFactoryTriggers( $lbFactory, $this->localServices->getMainConfig() );
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 ),
__METHOD__ );
}
}
// Re-enable any disabled deprecation warnings
MWDebug::clearLog();
// Restore mw globals
foreach ( $this->mwGlobals as $key => $value ) {
$GLOBALS[$key] = $value;
}
foreach ( $this->mwGlobalsToUnset as $value ) {
unset( $GLOBALS[$value] );
}
foreach ( $this->iniSettings as $name => $value ) {
ini_set( $name, $value );
}
if (
array_key_exists( 'wgExtraNamespaces', $this->mwGlobals ) ||
in_array( 'wgExtraNamespaces', $this->mwGlobalsToUnset )
) {
$this->resetNamespaces();
}
$this->mwGlobals = [];
$this->mwGlobalsToUnset = [];
$this->restoreLoggers();
// 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
*
* With strict coverage activated in PHP_CodeCoverage, this test would be
* marked as risky without the following annotation (T152923).
* @coversNothing
*/
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, $object ) {
if ( !$this->localServices ) {
throw new Exception( __METHOD__ . ' must be called after MediaWikiTestCase::run()' );
}
if ( $this->localServices !== MediaWikiServices::getInstance() ) {
throw new Exception( __METHOD__ . ' will not work because the global MediaWikiServices '
. 'instance has been replaced by test code.' );
}
$this->overriddenServices[] = $name;
$this->localServices->disableService( $name );
$this->localServices->redefineService(
$name,
function () use ( $object ) {
return $object;
}
);
if ( $name === 'ContentLanguage' ) {
$this->doSetMwGlobals( [ 'wgContLang' => $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().
*
* @par 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() {}
* @endcode
*
* @param array|string $pairs Key to the global variable, or an array
* of key/value pairs.
* @param mixed|null $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 ];
}
if ( isset( $pairs['wgContLang'] ) ) {
throw new MWException(
'No setting $wgContLang, use setContentLang() or setService( \'ContentLanguage\' )'
);
}
$this->doSetMwGlobals( $pairs, $value );
}
/**
* An internal method that allows setService() to set globals that tests are not supposed to
* touch.
*/
private function doSetMwGlobals( $pairs, $value = null ) {
$this->doStashMwGlobals( array_keys( $pairs ) );
foreach ( $pairs as $key => $value ) {
$GLOBALS[$key] = $value;
}
if ( array_key_exists( 'wgExtraNamespaces', $pairs ) ) {
$this->resetNamespaces();
}
}
/**
* Set an ini setting for the duration of the test
* @param string $name Name of the setting
* @param string $value Value to set
* @since 1.32
*/
protected function setIniSetting( $name, $value ) {
$original = ini_get( $name );
$this->iniSettings[$name] = $original;
ini_set( $name, $value );
}
/**
* Must be called whenever namespaces are changed, e.g., $wgExtraNamespaces is altered.
* Otherwise old namespace data will lurk and cause bugs.
*/
private function resetNamespaces() {
if ( !$this->localServices ) {
throw new Exception( __METHOD__ . ' must be called after MediaWikiTestCase::run()' );
}
if ( $this->localServices !== MediaWikiServices::getInstance() ) {
throw new Exception( __METHOD__ . ' will not work because the global MediaWikiServices '
. 'instance has been replaced by test code.' );
}
MWNamespace::clearCaches();
Language::clearCaches();
// We can't have the TitleFormatter holding on to an old Language object either
// @todo We shouldn't need to reset all the aliases here.
$this->localServices->resetServiceForTesting( 'TitleFormatter' );
$this->localServices->resetServiceForTesting( 'TitleParser' );
$this->localServices->resetServiceForTesting( '_MediaWikiTitleCodec' );
}
/**
* 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.
*
* @note To allow changes to global variables to take effect on global service instances,
* call overrideMwServices().
*
* @since 1.23
* @deprecated since 1.32, use setMwGlobals() and don't alter globals directly
*/
protected function stashMwGlobals( $globalKeys ) {
wfDeprecated( __METHOD__, '1.32' );
$this->doStashMwGlobals( $globalKeys );
}
private function doStashMwGlobals( $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 ) &&
!array_key_exists( $globalKey, $this->mwGlobalsToUnset )
) {
if ( !array_key_exists( $globalKey, $GLOBALS ) ) {
$this->mwGlobalsToUnset[$globalKey] = $globalKey;
continue;
}
// 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];
} elseif ( $this->containsClosure( $GLOBALS[$globalKey] ) ) {
// Serializing Closure only gives a warning on HHVM while
// it throws an Exception on Zend.
// Workaround for https://github.com/facebook/hhvm/issues/6206
$this->mwGlobals[$globalKey] = $GLOBALS[$globalKey];
} else {
try {
$this->mwGlobals[$globalKey] = unserialize( serialize( $GLOBALS[$globalKey] ) );
} catch ( Exception $e ) {
$this->mwGlobals[$globalKey] = $GLOBALS[$globalKey];
}
}
}
}
}
/**
* @param mixed $var
* @param int $maxDepth
*
* @return bool
*/
private function containsClosure( $var, $maxDepth = 15 ) {
if ( $var instanceof Closure ) {
return true;
}
if ( !is_array( $var ) || $maxDepth === 0 ) {
return false;
}
foreach ( $var as $value ) {
if ( $this->containsClosure( $value, $maxDepth - 1 ) ) {
return true;
}
}
return false;
}
/**
* 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|null $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 ( $this->overriddenServices ) {
throw new MWException(
'The following services were set and are now being unset by overrideMwServices: ' .
implode( ', ', $this->overriddenServices )
);
}
$newInstance = self::installMockMwServices( $configOverrides );
if ( $this->localServices ) {
$this->localServices->destroy();
}
$this->localServices = $newInstance;
foreach ( $services as $name => $callback ) {
$newInstance->redefineService( $name, $callback );
}
return $newInstance;
}
/**
* Creates a new "mock" MediaWikiServices instance, and installs it.
* This effectively resets all cached states in services, with the exception of
* the ConfigFactory and the DBLoadBalancerFactory service, which are inherited from
* the original MediaWikiServices.
*
* @note The new original MediaWikiServices instance can later be restored by calling
* restoreMwServices(). That original is determined by the first call to this method, or
* by setUpBeforeClass, whichever is called first. The caller is responsible for managing
* and, when appropriate, destroying any other MediaWikiServices instances that may get
* replaced when calling this method.
*
* @param Config|null $configOverrides Configuration overrides for the new MediaWikiServices
* instance.
*
* @return MediaWikiServices the new mock service locator.
*/
public static function installMockMwServices( Config $configOverrides = null ) {
// Make sure we have the original service locator
if ( !self::$originalServices ) {
self::$originalServices = MediaWikiServices::getInstance();
}
if ( !$configOverrides ) {
$configOverrides = new HashConfig();
}
$oldConfigFactory = self::$originalServices->getConfigFactory();
$oldLoadBalancerFactory = self::$originalServices->getDBLoadBalancerFactory();
$testConfig = self::makeTestConfig( null, $configOverrides );
$newServices = new MediaWikiServices( $testConfig );
// Load the default wiring from the specified files.
// NOTE: this logic mirrors the logic in MediaWikiServices::newInstance.
$wiringFiles = $testConfig->get( 'ServiceWiringFiles' );
$newServices->loadWiringFiles( $wiringFiles );
// Provide a traditional hook point to allow extensions to configure services.
Hooks::run( '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 ]
)
);
$newServices->resetServiceForTesting( 'DBLoadBalancerFactory' );
$newServices->redefineService(
'DBLoadBalancerFactory',
function ( MediaWikiServices $services ) use ( $oldLoadBalancerFactory ) {
return $oldLoadBalancerFactory;
}
);
MediaWikiServices::forceGlobalInstance( $newServices );
return $newServices;
}
/**
* Restores the original, non-mock MediaWikiServices instance.
* The previously active MediaWikiServices instance is destroyed,
* if it is different from the original that is to be restored.
*
* @note this if for internal use by test framework code. It should never be
* called from inside a test case, a data provider, or a setUp or tearDown method.
*
* @return bool true if the original service locator was restored,
* false if there was nothing too do.
*/
public static function restoreMwServices() {
if ( !self::$originalServices ) {
return false;
}
$currentServices = MediaWikiServices::getInstance();
if ( self::$originalServices === $currentServices ) {
return false;
}
MediaWikiServices::forceGlobalInstance( self::$originalServices );
$currentServices->destroy();
return true;
}
/**
* @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 ) {
$this->setMwGlobals( 'wgLanguageCode', $lang->getCode() );
// Set to the exact object requested
$this->setService( 'ContentLanguage', $lang );
} else {
$this->setMwGlobals( 'wgLanguageCode', $lang );
// Let the service handler make up the object. Avoid calling setService(), because if
// we do, overrideMwServices() will complain if it's called later on.
$services = MediaWikiServices::getInstance();
$services->resetServiceForTesting( 'ContentLanguage' );
$this->doSetMwGlobals( [ 'wgContLang' => $services->getContentLanguage() ] );
}
}
/**
* Alters $wgGroupPermissions for the duration of the test. Can be called
* with an array, like
* [ '*' => [ 'read' => false ], 'user' => [ 'read' => false ] ]
* or three values to set a single permission, like
* $this->setGroupPermissions( '*', 'read', false );
*
* @since 1.31
* @param array|string $newPerms Either an array of permissions to change,
* in which case the next two parameters are ignored; or a single string
* identifying a group, to use with the next two parameters.
* @param string|null $newKey
* @param mixed|null $newValue
*/
public function setGroupPermissions( $newPerms, $newKey = null, $newValue = null ) {
global $wgGroupPermissions;
if ( is_string( $newPerms ) ) {
$newPerms = [ $newPerms => [ $newKey => $newValue ] ];
}
$newPermissions = $wgGroupPermissions;
foreach ( $newPerms as $group => $permissions ) {
foreach ( $permissions as $key => $value ) {
$newPermissions[$group][$key] = $value;
}
}
$this->setMwGlobals( 'wgGroupPermissions', $newPermissions );
}
/**
* 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] = $singletons['loggers'][$channel] ?? null;
}
$singletons['loggers'][$channel] = $logger;
} elseif ( $provider instanceof LegacySpi ) {
if ( !isset( $this->loggers[$channel] ) ) {
$this->loggers[$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 self::getTestPrefixFor( $this->db );
}
/**
* @param IDatabase $db
* @return string
* @since 1.32
*/
public static function getTestPrefixFor( IDatabase $db ) {
return $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
return $this->tablesUsed || $this->isTestInDatabaseGroup();
}
/**
* @return bool
* @since 1.32
*/
protected function isTestInDatabaseGroup() {
// If the test class says it belongs to the Database group, it needs the database.
// NOTE: This ONLY checks for the group in the class level doc comment.
$rc = new ReflectionClass( $this );
return (bool)preg_match( '/@group +Database/im', $rc->getDocComment() );
}
/**
* Insert a new page.
*
* Should be called from addDBData().
*
* @since 1.25 ($namespace in 1.28)
* @param string|Title $pageName Page name or title
* @param string $text Page's content
* @param int|null $namespace Namespace id (name cannot already contain namespace)
* @param User|null $user If null, static::getTestSysop()->getUser() is used.
* @return array Title object and page id
* @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 insertPage(
$pageName,
$text = 'Sample page for unit test.',
$namespace = null,
User $user = null
) {
if ( !$this->needsDB() ) {
throw new MWException( 'When testing which pages, the test cases\'s needsDB()' .
' method should return true. Use @group Database or $this->tablesUsed.' );
}
if ( is_string( $pageName ) ) {
$title = Title::newFromText( $pageName, $namespace );
} else {
$title = $pageName;
}
if ( !$user ) {
$user = static::getTestSysop()->getUser();
}
$comment = __METHOD__ . ': Sample page for unit test.';
$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() {
}
/**
* @since 1.32
*/
protected 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' ] );
}
}
SiteStatsInit::doPlaceholderInit();
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 | EDIT_SUPPRESS_RC,
false,
$user
);
// an edit always attempt to purge backlink links such as history
// pages. That is unnecessary.
JobQueueGroup::singleton()->get( 'htmlCacheUpdate' )->delete();
// WikiPages::doEditUpdates randomly adds RC purges
JobQueueGroup::singleton()->get( 'recentChangesUpdate' )->delete();
// 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).
*
* This is called by phpunit/bootstrap.php after the last test.
*
* @since 1.21
*/
public static function teardownTestDB() {
global $wgJobClasses;
if ( !self::$dbSetup ) {
return;
}
Hooks::run( 'UnitTestsBeforeDatabaseTeardown' );
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 cloned tables using 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.
*
* @param IMaintainableDatabase $db Database to use
* @param string|null $prefix Prefix to use for test tables. If not given, the prefix is determined
* automatically for $db.
* @return bool True if tables were cloned, false if only the prefix was changed
*/
protected static function setupDatabaseWithTestPrefix(
IMaintainableDatabase $db,
$prefix = null
) {
if ( $prefix === null ) {
$prefix = self::getTestPrefixFor( $db );
}
if ( ( $db->getType() == 'oracle' || !self::$useTemporaryTables ) && self::$reuseDB ) {
$db->tablePrefix( $prefix );
return false;
}
if ( !isset( $db->_originalTablePrefix ) ) {
$oldPrefix = $db->tablePrefix();
if ( $oldPrefix === $prefix ) {
// table already has the correct prefix, but presumably no cloned tables
$oldPrefix = self::$oldTablePrefix;
}
$db->tablePrefix( $oldPrefix );
$tablesCloned = self::listTables( $db );
$dbClone = new CloneDatabase( $db, $tablesCloned, $prefix, $oldPrefix );
$dbClone->useTemporaryTables( self::$useTemporaryTables );
$dbClone->cloneTableStructure();
$db->tablePrefix( $prefix );
$db->_originalTablePrefix = $oldPrefix;
}
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 );
}
// NOTE: Change the prefix in the LBFactory and $wgDBprefix, to prevent
// *any* database connections to operate on live data.
CloneDatabase::changePrefix( $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;', __METHOD__ );
}
Hooks::run( 'UnitTestsAfterDatabaseSetup', [ $db, $prefix ] );
}
/**
* Clones the External Store database(s) for testing
*
* @param string|null $testPrefix Prefix for test tables. Will be determined automatically
* if not given.
*/
protected static function setupExternalStoreTestDBs( $testPrefix = null ) {
$connections = self::getExternalStoreDatabaseConnections();
foreach ( $connections as $dbw ) {
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
$dbws[] = $externalStoreDB->getMaster( $cluster );
}
}
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;
}
/**
* @throws LogicException if the given database connection is not a set up to use
* mock tables.
*
* @since 1.31 this is no longer private.
*/
protected function ensureMockDatabaseConnection( IDatabase $db ) {
if ( $db->tablePrefix() !== $this->dbPrefix() ) {
throw new LogicException(
'Trying to delete mock tables, but table prefix does not indicate a mock database.'
);
}
}
private static $schemaOverrideDefaults = [
'scripts' => [],
'create' => [],
'drop' => [],
'alter' => [],
];
/**
* Stub. If a test suite needs to test against a specific database schema, it should
* override this method and return the appropriate information from it.
*
* @param IMaintainableDatabase $db The DB connection to use for the mock schema.
* May be used to check the current state of the schema, to determine what
* overrides are needed.
*
* @return array An associative array with the following fields:
* - 'scripts': any SQL scripts to run. If empty or not present, schema overrides are skipped.
* - 'create': A list of tables created (may or may not exist in the original schema).
* - 'drop': A list of tables dropped (expected to be present in the original schema).
* - 'alter': A list of tables altered (expected to be present in the original schema).
*/
protected function getSchemaOverrides( IMaintainableDatabase $db ) {
return [];
}
/**
* Undoes the specified schema overrides..
* Called once per test class, just before addDataOnce().
*
* @param IMaintainableDatabase $db
* @param array $oldOverrides
*/
private function undoSchemaOverrides( IMaintainableDatabase $db, $oldOverrides ) {
$this->ensureMockDatabaseConnection( $db );
$oldOverrides = $oldOverrides + self::$schemaOverrideDefaults;
$originalTables = $this->listOriginalTables( $db, 'unprefixed' );
// Drop tables that need to be restored or removed.
$tablesToDrop = array_merge( $oldOverrides['create'], $oldOverrides['alter'] );
// Restore tables that have been dropped or created or altered,
// if they exist in the original schema.
$tablesToRestore = array_merge( $tablesToDrop, $oldOverrides['drop'] );
$tablesToRestore = array_intersect( $originalTables, $tablesToRestore );
if ( $tablesToDrop ) {
$this->dropMockTables( $db, $tablesToDrop );
}
if ( $tablesToRestore ) {
$this->recloneMockTables( $db, $tablesToRestore );
}
}
/**
* Applies the schema overrides returned by getSchemaOverrides(),
* after undoing any previously applied schema overrides.
* Called once per test class, just before addDataOnce().
*/
private function setUpSchema( IMaintainableDatabase $db ) {
// Undo any active overrides.
$oldOverrides = $db->_schemaOverrides ?? self::$schemaOverrideDefaults;
if ( $oldOverrides['alter'] || $oldOverrides['create'] || $oldOverrides['drop'] ) {
$this->undoSchemaOverrides( $db, $oldOverrides );
}
// Determine new overrides.
$overrides = $this->getSchemaOverrides( $db ) + self::$schemaOverrideDefaults;
$extraKeys = array_diff(
array_keys( $overrides ),
array_keys( self::$schemaOverrideDefaults )
);
if ( $extraKeys ) {
throw new InvalidArgumentException(
'Schema override contains extra keys: ' . var_export( $extraKeys, true )
);
}
if ( !$overrides['scripts'] ) {
// no scripts to run
return;
}
if ( !$overrides['create'] && !$overrides['drop'] && !$overrides['alter'] ) {
throw new InvalidArgumentException(
'Schema override scripts given, but no tables are declared to be '
. 'created, dropped or altered.'
);
}
$this->ensureMockDatabaseConnection( $db );
// Drop the tables that will be created by the schema scripts.
$originalTables = $this->listOriginalTables( $db, 'unprefixed' );
$tablesToDrop = array_intersect( $originalTables, $overrides['create'] );
if ( $tablesToDrop ) {
$this->dropMockTables( $db, $tablesToDrop );
}
// Run schema override scripts.
foreach ( $overrides['scripts'] as $script ) {
$db->sourceFile(
$script,
null,
null,
__METHOD__,
function ( $cmd ) {
return $this->mungeSchemaUpdateQuery( $cmd );
}
);
}
$db->_schemaOverrides = $overrides;
}
private function mungeSchemaUpdateQuery( $cmd ) {
return self::$useTemporaryTables
? preg_replace( '/\bCREATE\s+TABLE\b/i', 'CREATE TEMPORARY TABLE', $cmd )
: $cmd;
}
/**
* Drops the given mock tables.
*
* @param IMaintainableDatabase $db
* @param array $tables
*/
private function dropMockTables( IMaintainableDatabase $db, array $tables ) {
$this->ensureMockDatabaseConnection( $db );
foreach ( $tables as $tbl ) {
$tbl = $db->tableName( $tbl );
$db->query( "DROP TABLE IF EXISTS $tbl", __METHOD__ );
}
}
/**
* Lists all tables in the live database schema.
*
* @param IMaintainableDatabase $db
* @param string $prefix Either 'prefixed' or 'unprefixed'
* @return array
*/
private function listOriginalTables( IMaintainableDatabase $db, $prefix = 'prefixed' ) {
if ( !isset( $db->_originalTablePrefix ) ) {
throw new LogicException( 'No original table prefix know, cannot list tables!' );
}
$originalTables = $db->listTables( $db->_originalTablePrefix, __METHOD__ );
if ( $prefix === 'unprefixed' ) {
$originalPrefixRegex = '/^' . preg_quote( $db->_originalTablePrefix, '/' ) . '/';
$originalTables = array_map(
function ( $pt ) use ( $originalPrefixRegex ) {
return preg_replace( $originalPrefixRegex, '', $pt );
},
$originalTables
);
}
return $originalTables;
}
/**
* Re-clones the given mock tables to restore them based on the live database schema.
* The tables listed in $tables are expected to currently not exist, so dropMockTables()
* should be called first.
*
* @param IMaintainableDatabase $db
* @param array $tables
*/
private function recloneMockTables( IMaintainableDatabase $db, array $tables ) {
$this->ensureMockDatabaseConnection( $db );
if ( !isset( $db->_originalTablePrefix ) ) {
throw new LogicException( 'No original table prefix know, cannot restore tables!' );
}
$originalTables = $this->listOriginalTables( $db, 'unprefixed' );
$tables = array_intersect( $tables, $originalTables );
$dbClone = new CloneDatabase( $db, $tables, $db->tablePrefix(), $db->_originalTablePrefix );
$dbClone->useTemporaryTables( self::$useTemporaryTables );
$dbClone->cloneTableStructure();
}
/**
* 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', 'actor' ];
$pageTables = [
'page', 'revision', 'ip_changes', 'revision_comment_temp', 'comment', 'archive',
'revision_actor_temp', 'slots', 'content', 'content_models', 'slot_roles',
];
$coreDBDataTables = array_merge( $userTables, $pageTables );
// If any of the user or page 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();
}
if ( array_intersect( $tablesUsed, $pageTables ) ) {
$tablesUsed = array_unique( array_merge( $tablesUsed, $pageTables ) );
}
// Postgres, Oracle, and MSSQL all use mwuser/pagecontent
// instead of user/text. But Postgres does not remap the
// table name in tableExists(), so we mark the real table
// names as being used.
if ( $db->getType() === 'postgres' ) {
if ( in_array( 'user', $tablesUsed ) ) {
$tablesUsed[] = 'mwuser';
}
if ( in_array( 'text', $tablesUsed ) ) {
$tablesUsed[] = 'pagecontent';
}
}
foreach ( $tablesUsed as $tbl ) {
$this->truncateTable( $tbl, $db );
}
if ( array_intersect( $tablesUsed, $coreDBDataTables ) ) {
// Reset services that may contain information relating to the truncated tables
$this->overrideMwServices();
// Re-add core DB data that was deleted
$this->addCoreDBData();
}
}
}
/**
* Empties the given table and resets any auto-increment counters.
* Will also purge caches associated with some well known tables.
* If the table is not know, this method just returns.
*
* @param string $tableName
* @param IDatabase|null $db
*/
protected function truncateTable( $tableName, IDatabase $db = null ) {
if ( !$db ) {
$db = $this->db;
}
if ( !$db->tableExists( $tableName ) ) {
return;
}
$truncate = in_array( $db->getType(), [ 'oracle', 'mysql' ] );
if ( $truncate ) {
$db->query( 'TRUNCATE TABLE ' . $db->tableName( $tableName ), __METHOD__ );
} else {
$db->delete( $tableName, '*', __METHOD__ );
}
if ( $db instanceof DatabasePostgres || $db instanceof DatabaseSqlite ) {
// Reset the table's sequence too.
$db->resetSequenceForTable( $tableName, __METHOD__ );
}
// re-initialize site_stats table
if ( $tableName === 'site_stats' ) {
SiteStatsInit::doPlaceholderInit();
}
}
private static function unprefixTable( &$tableName, $ind, $prefix ) {
$tableName = substr( $tableName, strlen( $prefix ) );
}
private static function isNotUnittest( $table ) {
return strpos( $table, self::DB_PREFIX ) !== 0;
}
/**
* @since 1.18
*
* @param IMaintainableDatabase $db
*
* @return array
*/
public static function listTables( IMaintainableDatabase $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;
}
/**
* Copy test data from one database connection to another.
*
* This should only be used for small data sets.
*
* @param IDatabase $source
* @param IDatabase $target
*/
public function copyTestData( IDatabase $source, IDatabase $target ) {
$tables = self::listOriginalTables( $source, 'unprefixed' );
foreach ( $tables as $table ) {
$res = $source->select( $table, '*', [], __METHOD__ );
$allRows = [];
foreach ( $res as $row ) {
$allRows[] = (array)$row;
}
$target->insert( $table, $allRows, __METHOD__, [ 'IGNORE' ] );
}
}
/**
* @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 ) {
return $this->cliArgs[$offset] ?? null;
}
/**
* @since 1.18
* @param string $offset
* @param mixed $value
*/
public function setCliArg( $offset, $value ) {
$this->cliArgs[$offset] = $value;
}
/**
* Don't throw a warning if $function is deprecated and called later
*
* @since 1.19
*
* @param string $function
*/
public function hideDeprecated( $function ) {
Wikimedia\suppressWarnings();
wfDeprecated( $function );
Wikimedia\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.
* @param array $options Options for the query
* @param array $join_conds Join conditions for the query
*
* @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, array $options = [], array $join_conds = []
) {
if ( !$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_REPLICA );
$res = $db->select(
$table,
$fields,
$condition,
wfGetCaller(),
$options + [ 'ORDER BY' => $fields ],
$join_conds
);
$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( $b );
}
);
}
/**
* Utility function for eliminating all string keys from an array.
* Useful to turn a database result row as returned by fetchRow() into
* a pure indexed array.
*
* @since 1.20
*
* @param mixed &$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.
Wikimedia\suppressWarnings();
$haveDiff3 = $wgDiff3 && file_exists( $wgDiff3 );
Wikimedia\restoreWarnings();
if ( !$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;
}
/**
* Skip the test if using the specified database type
*
* @param string $type Database type
* @since 1.32
*/
protected function markTestSkippedIfDbType( $type ) {
if ( $this->db->getType() === $type ) {
$this->markTestSkipped( "The $type database type isn't supported for this test" );
}
}
/**
* Used as a marker to prevent wfResetOutputBuffers from breaking PHPUnit.
* @param string $buffer
* @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 ] ] );
}
/**
* Check whether file contains given data.
* @param string $fileName
* @param string $actualData
* @param bool $createIfMissing If true, and file does not exist, create it with given data
* and skip the test.
* @param string $msg
* @since 1.30
*/
protected function assertFileContains(
$fileName,
$actualData,
$createIfMissing = false,
$msg = ''
) {
if ( $createIfMissing ) {
if ( !file_exists( $fileName ) ) {
file_put_contents( $fileName, $actualData );
$this->markTestSkipped( 'Data file $fileName does not exist' );
}
} else {
self::assertFileExists( $fileName );
}
self::assertEquals( file_get_contents( $fileName ), $actualData, $msg );
}
/**
* Edits or creates a page/revision
* @param string $pageName Page title
* @param string $text Content of the page
* @param string $summary Optional summary string for the revision
* @param int $defaultNs Optional namespace id
* @return array Array as returned by WikiPage::doEditContent()
* @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 editPage( $pageName, $text, $summary = '', $defaultNs = NS_MAIN ) {
if ( !$this->needsDB() ) {
throw new MWException( 'When testing which pages, the test cases\'s needsDB()' .
' method should return true. Use @group Database or $this->tablesUsed.' );
}
$title = Title::newFromText( $pageName, $defaultNs );
$page = WikiPage::factory( $title );
return $page->doEditContent( ContentHandler::makeContent( $text, $title ), $summary );
}
/**
* Revision-deletes a revision.
*
* @param Revision|int $rev Revision to delete
* @param array $value Keys are Revision::DELETED_* flags. Values are 1 to set the bit, 0 to
* clear, -1 to leave alone. (All other values also clear the bit.)
* @param string $comment Deletion comment
*/
protected function revisionDelete(
$rev, array $value = [ Revision::DELETED_TEXT => 1 ], $comment = ''
) {
if ( is_int( $rev ) ) {
$rev = Revision::newFromId( $rev );
}
RevisionDeleter::createList(
'revision', RequestContext::getMain(), $rev->getTitle(), [ $rev->getId() ]
)->setVisibility( [
'value' => $value,
'comment' => $comment,
] );
}
}
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