test_middleware.py 文件源码

def test_nosplash():
    mw = _get_mw()
    cookie_mw = _get_cookie_mw()
    req = scrapy.Request("http://example.com")
    old_meta = copy.deepcopy(req.meta)

    assert cookie_mw.process_request(req, None) is None
    assert mw.process_request(req, None) is None
    assert old_meta == req.meta

    # response is not changed
    response = Response("http://example.com", request=req)
    response2 = mw.process_response(req, response, None)
    response3 = cookie_mw.process_response(req, response, None)
    assert response2 is response
    assert response3 is response
    assert response3.url == "http://example.com"