public function testOverwriteTransformers()
 {
     $serializerMock = $this->getMockBuilder('SoboLAN\\RestNegotiator\\Serializer\\RestSerializerInterface')->disableOriginalConstructor()->getMock();
     $serializerMock->expects($this->once())->method('replaceTransformers')->with($this->isType(\PHPUnit_Framework_Constraint_IsType::TYPE_ARRAY));
     $transformersNames = array('sobolan.restnegotiator.transformer.list');
     $serializerFactory = new RestSerializerFactory();
     $serializerFactory->setContainer($this->container);
     $serializerFactory->overwriteTransformers($serializerMock, $transformersNames);
 }
 private function restoreDefaultTransformers()
 {
     /**
      * If a subrequest is made or if the {@link getResponse} method is called,
      * then the transformers overwritten above can not be present within the Serializer.
      *
      * This is because there may be a different version value in the "Accept" header,
      * a version which does not overwrite all the transformers which were overwritten above.
      * It would lead to inconsistent / incorrect outputs.
      *
      * In order to solve this, the default transformers are restored to the Serializer.
      * This way, when a subrequest or a call to  {@link getResponse} is made, those executions
      * will have the freedom to overwrite their own transformers.
      */
     $this->serializerFactory->overwriteTransformers($this->serializer, $this->defaultTransformersNames);
 }