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<?php
namespace Wikimedia\Tests\Rdbms;
use MediaWikiUnitTestCase;
use Wikimedia\Rdbms\ConnectionManager;
use Wikimedia\Rdbms\IDatabase;
use Wikimedia\Rdbms\ILoadBalancer;
use Wikimedia\Rdbms\LoadBalancer;
/**
* @covers \Wikimedia\Rdbms\ConnectionManager
*
* @author Daniel Kinzler
*/
class ConnectionManagerTest extends MediaWikiUnitTestCase {
public function testGetReadConnection_nullGroups() {
$database = $this->createMock( IDatabase::class );
$lb = $this->createMock( LoadBalancer::class );
$lb->expects( $this->once() )
->method( 'getConnection' )
->with( DB_REPLICA, [ 'group1' ], 'someDbName' )
->willReturn( $database );
$manager = new ConnectionManager( $lb, 'someDbName', [ 'group1' ] );
$actual = $manager->getReadConnection();
$this->assertSame( $database, $actual );
}
public function testGetReadConnection_withGroupsAndFlags() {
$database = $this->createMock( IDatabase::class );
$lb = $this->createMock( LoadBalancer::class );
$lb->expects( $this->once() )
->method( 'getConnection' )
->with( DB_REPLICA, [ 'group2' ], 'someDbName', ILoadBalancer::CONN_SILENCE_ERRORS )
->willReturn( $database );
$manager = new ConnectionManager( $lb, 'someDbName', [ 'group1' ] );
$actual = $manager->getReadConnection( [ 'group2' ], ILoadBalancer::CONN_SILENCE_ERRORS );
$this->assertSame( $database, $actual );
}
public function testGetWriteConnection() {
$database = $this->createMock( IDatabase::class );
$lb = $this->createMock( LoadBalancer::class );
$lb->expects( $this->once() )
->method( 'getConnection' )
->with( DB_PRIMARY, [ 'group1' ], 'someDbName' )
->willReturn( $database );
$manager = new ConnectionManager( $lb, 'someDbName', [ 'group1' ] );
$actual = $manager->getWriteConnection();
$this->assertSame( $database, $actual );
}
public function testGetWriteConnection_withFlags() {
$database = $this->createMock( IDatabase::class );
$lb = $this->createMock( LoadBalancer::class );
$lb->expects( $this->once() )
->method( 'getConnection' )
->with( DB_PRIMARY, [ 'group1' ], 'someDbName', ILoadBalancer::CONN_TRX_AUTOCOMMIT )
->willReturn( $database );
$manager = new ConnectionManager( $lb, 'someDbName', [ 'group1' ] );
$actual = $manager->getWriteConnection( ILoadBalancer::CONN_TRX_AUTOCOMMIT );
$this->assertSame( $database, $actual );
}
}
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