public function testShouldAnimate() { $this->model->addFrame('image01.jpg'); $this->model->addFrame('image02.jpg'); $resource = $this->getMockBuilder('Imanee\\ImageResource\\ImagickResource')->setMethods(['animate'])->getMock(); $resource->expects($this->once())->method('animate'); $this->model->setResource($resource); $this->model->animate(); }