department = new NullDepartment(); $obj->responsible = 1; $obj->deputy = 1; DepartmentMapper::create($obj); $objR = DepartmentMapper::get($obj->getId()); self::assertEquals($obj->department->getId(), $objR->department->getId()); self::assertEquals($obj->responsible, $objR->responsible); self::assertEquals($obj->deputy, $objR->deputy); } }