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