public function testShowAllGirlsArchievedInJsonFormat() { // Test setup $expectedResponse = new JsonResponse([], 200); $girlServiceMock = $this->getMock('App\\Services\\GirlServiceInterface'); $girlServiceMock->expects($this->once())->method('getAll')->will($this->returnValue(array())); $controller = new ApiController($girlServiceMock); // Test execution $response = $controller->allGirls(); // Test assertion $this->assertEquals($expectedResponse, $response); }