public function testValidateWithValidContext()
 {
     $pool = new Pool('defaultContext');
     $pool->addContext('test');
     $gallery = $this->getMock('Sonata\\MediaBundle\\Model\\GalleryInterface');
     $gallery->expects($this->once())->method('getDefaultFormat')->will($this->returnValue('format1'));
     $gallery->expects($this->once())->method('getContext')->will($this->returnValue('test'));
     $context = $this->getMock('Symfony\\Component\\Validator\\ExecutionContext', array(), array(), '', false);
     $context->expects($this->once())->method('addViolation');
     $validator = new FormatValidator($pool);
     $validator->initialize($context);
     $validator->validate($gallery, new ValidMediaFormat());
 }