ImboUnitTest\Http\Response\ResponseFormatterTest::testForcesContentNegotiationOnErrorModelsWhenResourceIsAnImage PHP Method

    public function testForcesContentNegotiationOnErrorModelsWhenResourceIsAnImage($routeName)
    {
        $route = new Route();
        $route->setName($routeName);
        $requestHeaders = $this->getMock('Symfony\\Component\\HttpFoundation\\HeaderBag');
        $requestHeaders->expects($this->once())->method('get')->with('Accept', '*/*')->will($this->returnValue('*/*'));
        $this->request->headers = $requestHeaders;
        $this->request->expects($this->once())->method('getExtension')->will($this->returnValue('jpg'));
        $this->request->expects($this->once())->method('getRoute')->will($this->returnValue($route));
        $this->response->expects($this->once())->method('setVary')->with('Accept');
        $this->response->expects($this->once())->method('getModel')->will($this->returnValue($this->getMock('Imbo\\Model\\Error')));
        $this->contentNegotiation->expects($this->any())->method('isAcceptable')->will($this->returnValue(1));
        $this->responseFormatter->negotiate($this->event);
        $this->assertSame('json', $this->responseFormatter->getFormatter());
    }