test_webclient.py 文件源码

def test_downloadPageDeprecated(self):
        """
        L{client.downloadPage} is deprecated.
        """
        port = reactor.listenTCP(
            0, server.Site(Data(b'', 'text/plain')), interface="127.0.0.1")
        portno = port.getHost().port
        self.addCleanup(port.stopListening)
        url = networkString("http://127.0.0.1:%d" % (portno,))

        path = FilePath(self.mktemp())
        d = client.downloadPage(url, path.path)

        warningInfo = self.flushWarnings([self.test_downloadPageDeprecated])
        self.assertEqual(len(warningInfo), 1)
        self.assertEqual(warningInfo[0]['category'], DeprecationWarning)
        self.assertEqual(
            warningInfo[0]['message'],
            "twisted.web.client.downloadPage was deprecated in "
            "Twisted 16.7.0; please use https://pypi.org/project/treq/ or twisted.web.client.Agent instead")

        return d.addErrback(lambda _: None)