* @covers \Wikimedia\Rdbms\LoadBalancer
*/
class LoadBalancerTest extends MediaWikiTestCase {
- public function testWithoutReplica() {
+ private function makeServerConfig() {
global $wgDBserver, $wgDBname, $wgDBuser, $wgDBpassword, $wgDBtype, $wgSQLiteDataDir;
- $servers = [
- [
- 'host' => $wgDBserver,
- 'dbname' => $wgDBname,
- 'tablePrefix' => $this->dbPrefix(),
- 'user' => $wgDBuser,
- 'password' => $wgDBpassword,
- 'type' => $wgDBtype,
- 'dbDirectory' => $wgSQLiteDataDir,
- 'load' => 0,
- 'flags' => DBO_TRX // REPEATABLE-READ for consistency
- ],
+ return [
+ 'host' => $wgDBserver,
+ 'dbname' => $wgDBname,
+ 'tablePrefix' => $this->dbPrefix(),
+ 'user' => $wgDBuser,
+ 'password' => $wgDBpassword,
+ 'type' => $wgDBtype,
+ 'dbDirectory' => $wgSQLiteDataDir,
+ 'load' => 0,
+ 'flags' => DBO_TRX // REPEATABLE-READ for consistency
];
+ }
+
+ public function testWithoutReplica() {
+ global $wgDBname;
+ $called = false;
$lb = new LoadBalancer( [
- 'servers' => $servers,
- 'localDomain' => new DatabaseDomain( $wgDBname, null, $this->dbPrefix() )
+ 'servers' => [ $this->makeServerConfig() ],
+ 'queryLogger' => MediaWiki\Logger\LoggerFactory::getInstance( 'DBQuery' ),
+ 'localDomain' => new DatabaseDomain( $wgDBname, null, $this->dbPrefix() ),
+ 'chronologyCallback' => function () use ( &$called ) {
+ $called = true;
+ }
] );
$ld = DatabaseDomain::newFromId( $lb->getLocalDomainID() );
$this->assertEquals( $wgDBname, $ld->getDatabase(), 'local domain DB set' );
$this->assertEquals( $this->dbPrefix(), $ld->getTablePrefix(), 'local domain prefix set' );
+ $this->assertFalse( $called );
$dbw = $lb->getConnection( DB_MASTER );
+ $this->assertTrue( $called );
$this->assertTrue( $dbw->getLBInfo( 'master' ), 'master shows as master' );
$this->assertTrue( $dbw->getFlag( $dbw::DBO_TRX ), "DBO_TRX set on master" );
$this->assertWriteAllowed( $dbw );
$this->assertTrue( $dbr->getLBInfo( 'master' ), 'DB_REPLICA also gets the master' );
$this->assertTrue( $dbr->getFlag( $dbw::DBO_TRX ), "DBO_TRX set on replica" );
- $dbwAuto = $lb->getConnection( DB_MASTER, [], false, $lb::CONN_TRX_AUTO );
- $this->assertFalse( $dbwAuto->getFlag( $dbw::DBO_TRX ), "No DBO_TRX with CONN_TRX_AUTO" );
- $this->assertTrue( $dbw->getFlag( $dbw::DBO_TRX ), "DBO_TRX still set on master" );
- $this->assertNotEquals( $dbw, $dbwAuto, "CONN_TRX_AUTO uses separate connection" );
+ if ( !$lb->getServerAttributes( $lb->getWriterIndex() )[$dbw::ATTR_DB_LEVEL_LOCKING] ) {
+ $dbwAuto = $lb->getConnection( DB_MASTER, [], false, $lb::CONN_TRX_AUTOCOMMIT );
+ $this->assertFalse(
+ $dbwAuto->getFlag( $dbw::DBO_TRX ), "No DBO_TRX with CONN_TRX_AUTOCOMMIT" );
+ $this->assertTrue( $dbw->getFlag( $dbw::DBO_TRX ), "DBO_TRX still set on master" );
+ $this->assertNotEquals(
+ $dbw, $dbwAuto, "CONN_TRX_AUTOCOMMIT uses separate connection" );
- $dbrAuto = $lb->getConnection( DB_REPLICA, [], false, $lb::CONN_TRX_AUTO );
- $this->assertFalse( $dbrAuto->getFlag( $dbw::DBO_TRX ), "No DBO_TRX with CONN_TRX_AUTO" );
- $this->assertTrue( $dbr->getFlag( $dbw::DBO_TRX ), "DBO_TRX still set on replica" );
- $this->assertNotEquals( $dbr, $dbrAuto, "CONN_TRX_AUTO uses separate connection" );
+ $dbrAuto = $lb->getConnection( DB_REPLICA, [], false, $lb::CONN_TRX_AUTOCOMMIT );
+ $this->assertFalse(
+ $dbrAuto->getFlag( $dbw::DBO_TRX ), "No DBO_TRX with CONN_TRX_AUTOCOMMIT" );
+ $this->assertTrue( $dbr->getFlag( $dbw::DBO_TRX ), "DBO_TRX still set on replica" );
+ $this->assertNotEquals(
+ $dbr, $dbrAuto, "CONN_TRX_AUTOCOMMIT uses separate connection" );
- $dbwAuto2 = $lb->getConnection( DB_MASTER, [], false, $lb::CONN_TRX_AUTO );
- $this->assertEquals( $dbwAuto2, $dbwAuto, "CONN_TRX_AUTO reuses connections" );
+ $dbwAuto2 = $lb->getConnection( DB_MASTER, [], false, $lb::CONN_TRX_AUTOCOMMIT );
+ $this->assertEquals( $dbwAuto2, $dbwAuto, "CONN_TRX_AUTOCOMMIT reuses connections" );
+ }
$lb->closeAll();
}
$lb = new LoadBalancer( [
'servers' => $servers,
'localDomain' => new DatabaseDomain( $wgDBname, null, $this->dbPrefix() ),
+ 'queryLogger' => MediaWiki\Logger\LoggerFactory::getInstance( 'DBQuery' ),
'loadMonitorClass' => LoadMonitorNull::class
] );
$this->assertTrue( $dbr->getFlag( $dbw::DBO_TRX ), "DBO_TRX set on replica" );
$this->assertWriteForbidden( $dbr );
- $dbwAuto = $lb->getConnection( DB_MASTER, [], false, $lb::CONN_TRX_AUTO );
- $this->assertFalse( $dbwAuto->getFlag( $dbw::DBO_TRX ), "No DBO_TRX with CONN_TRX_AUTO" );
- $this->assertTrue( $dbw->getFlag( $dbw::DBO_TRX ), "DBO_TRX still set on master" );
- $this->assertNotEquals( $dbw, $dbwAuto, "CONN_TRX_AUTO uses separate connection" );
+ if ( !$lb->getServerAttributes( $lb->getWriterIndex() )[$dbw::ATTR_DB_LEVEL_LOCKING] ) {
+ $dbwAuto = $lb->getConnection( DB_MASTER, [], false, $lb::CONN_TRX_AUTOCOMMIT );
+ $this->assertFalse(
+ $dbwAuto->getFlag( $dbw::DBO_TRX ), "No DBO_TRX with CONN_TRX_AUTOCOMMIT" );
+ $this->assertTrue( $dbw->getFlag( $dbw::DBO_TRX ), "DBO_TRX still set on master" );
+ $this->assertNotEquals(
+ $dbw, $dbwAuto, "CONN_TRX_AUTOCOMMIT uses separate connection" );
- $dbrAuto = $lb->getConnection( DB_REPLICA, [], false, $lb::CONN_TRX_AUTO );
- $this->assertFalse( $dbrAuto->getFlag( $dbw::DBO_TRX ), "No DBO_TRX with CONN_TRX_AUTO" );
- $this->assertTrue( $dbr->getFlag( $dbw::DBO_TRX ), "DBO_TRX still set on replica" );
- $this->assertNotEquals( $dbr, $dbrAuto, "CONN_TRX_AUTO uses separate connection" );
+ $dbrAuto = $lb->getConnection( DB_REPLICA, [], false, $lb::CONN_TRX_AUTOCOMMIT );
+ $this->assertFalse(
+ $dbrAuto->getFlag( $dbw::DBO_TRX ), "No DBO_TRX with CONN_TRX_AUTOCOMMIT" );
+ $this->assertTrue( $dbr->getFlag( $dbw::DBO_TRX ), "DBO_TRX still set on replica" );
+ $this->assertNotEquals(
+ $dbr, $dbrAuto, "CONN_TRX_AUTOCOMMIT uses separate connection" );
- $dbwAuto2 = $lb->getConnection( DB_MASTER, [], false, $lb::CONN_TRX_AUTO );
- $this->assertEquals( $dbwAuto2, $dbwAuto, "CONN_TRX_AUTO reuses connections" );
+ $dbwAuto2 = $lb->getConnection( DB_MASTER, [], false, $lb::CONN_TRX_AUTOCOMMIT );
+ $this->assertEquals( $dbwAuto2, $dbwAuto, "CONN_TRX_AUTOCOMMIT reuses connections" );
+ }
$lb->closeAll();
}
// re-throw original error, to preserve stack trace
throw $ex;
}
- } finally {
- $db->rollback( __METHOD__, 'flush' );
}
}
$table = $db->tableName( 'some_table' );
try {
$db->dropTable( 'some_table' ); // clear for sanity
+
+ // Trigger DBO_TRX to create a transaction so the flush below will
+ // roll everything here back in sqlite. But don't actually do the
+ // code below inside an atomic section becaue MySQL and Oracle
+ // auto-commit transactions for DDL statements like CREATE TABLE.
+ $db->startAtomic( __METHOD__ );
+ $db->endAtomic( __METHOD__ );
+
// Use only basic SQL and trivial types for these queries for compatibility
$this->assertNotSame(
false,
$db->query( "DELETE FROM $table WHERE id=57634126", __METHOD__ ),
"delete query"
);
- $this->assertNotSame(
- false,
- $db->query( "DROP TABLE $table", __METHOD__ ),
- "table dropped"
- );
} finally {
+ // Drop the table to clean up, ignoring any error.
+ $db->query( "DROP TABLE $table", __METHOD__, true );
+ // Rollback the DBO_TRX transaction for sqlite's benefit.
$db->rollback( __METHOD__, 'flush' );
}
}
$this->assertFalse( $lb->getServerAttributes( 1 )[Database::ATTR_DB_LEVEL_LOCKING] );
}
+
+ /**
+ * @covers LoadBalancer::openConnection()
+ * @covers LoadBalancer::getAnyOpenConnection()
+ */
+ function testOpenConnection() {
+ global $wgDBname;
+
+ $lb = new LoadBalancer( [
+ 'servers' => [ $this->makeServerConfig() ],
+ 'localDomain' => new DatabaseDomain( $wgDBname, null, $this->dbPrefix() )
+ ] );
+
+ $i = $lb->getWriterIndex();
+ $this->assertEquals( null, $lb->getAnyOpenConnection( $i ) );
+ $conn1 = $lb->getConnection( $i );
+ $this->assertNotEquals( null, $conn1 );
+ $this->assertEquals( $conn1, $lb->getAnyOpenConnection( $i ) );
+ $conn2 = $lb->getConnection( $i, [], false, $lb::CONN_TRX_AUTOCOMMIT );
+ $this->assertNotEquals( null, $conn2 );
+ if ( $lb->getServerAttributes( $i )[Database::ATTR_DB_LEVEL_LOCKING] ) {
+ $this->assertEquals( null,
+ $lb->getAnyOpenConnection( $i, $lb::CONN_TRX_AUTOCOMMIT ) );
+ $this->assertEquals( $conn1,
+ $lb->getConnection(
+ $i, [], false, $lb::CONN_TRX_AUTOCOMMIT ), $lb::CONN_TRX_AUTOCOMMIT );
+ } else {
+ $this->assertEquals( $conn2,
+ $lb->getAnyOpenConnection( $i, $lb::CONN_TRX_AUTOCOMMIT ) );
+ $this->assertEquals( $conn2,
+ $lb->getConnection( $i, [], false, $lb::CONN_TRX_AUTOCOMMIT ) );
+ }
+
+ $lb->closeAll();
+ }
}
dépôts / lhc / web / wiklou.git / blobdiff