/**
* @covers Veles\DataBase\Adapters\PdoAdapter::rollback
*/
public function testRollback()
{
$expected = 100;
$resource = $this->getMockBuilder('\\PDO')->disableOriginalConstructor()->setMethods(['rollBack'])->getMock();
$resource->expects($this->once())->method('rollBack')->willReturn($expected);
$conn = $this->getMockBuilder('\\Veles\\DataBase\\Connections\\PdoConnection')->setConstructorArgs(['master'])->setMethods(['getResource'])->getMock();
$conn->expects($this->once())->method('getResource')->willReturn($resource);
$pool = $this->getMockBuilder('\\Veles\\DataBase\\ConnectionPools\\ConnectionPool')->setMethods(['getConnection'])->getMock();
$pool->expects($this->once())->method('getConnection')->willReturn($conn);
$this->object->setPool($pool);
$actual = $this->object->rollback();
$msg = 'PdoAdapter::rollBack() returns wrong result!';
$this->assertSame($expected, $actual, $msg);
}
