René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[future-0.18.0] test urllib2 failed with Python3.8","articleBody":"Hi all.\r\n\r\nI know that Python-3.8.0-rc1 is not supported yet but i wish to point out following error anyway:\r\n\r\n```\r\n____________________________ HandlerTests.test_ftp _____________________________\r\nself = \u003ctest_future.test_urllib2.HandlerTests testMethod=test_ftp\u003e\r\n    def test_ftp(self):\r\n        class MockFTPWrapper(object):\r\n            def __init__(self, data): self.data = data\r\n            def retrfile(self, filename, filetype):\r\n                self.filename, self.filetype = filename, filetype\r\n                return io.StringIO(self.data), len(self.data)\r\n            def close(self): pass\r\n    \r\n        class NullFTPHandler(urllib_request.FTPHandler):\r\n            def __init__(self, data): self.data = data\r\n            def connect_ftp(self, user, passwd, host, port, dirs,\r\n                            timeout=socket._GLOBAL_DEFAULT_TIMEOUT):\r\n                self.user, self.passwd = user, passwd\r\n                self.host, self.port = host, port\r\n                self.dirs = dirs\r\n                self.ftpwrapper = MockFTPWrapper(self.data)\r\n                return self.ftpwrapper\r\n    \r\n        import ftplib\r\n        data = \"rheum rhaponicum\"\r\n        h = NullFTPHandler(data)\r\n        h.parent = MockOpener()\r\n    \r\n        for url, host, port, user, passwd, type_, dirs, filename, mimetype in [\r\n            (\"ftp://localhost/foo/bar/baz.html\",\r\n             \"localhost\", ftplib.FTP_PORT, \"\", \"\", \"I\",\r\n             [\"foo\", \"bar\"], \"baz.html\", \"text/html\"),\r\n            (\"ftp://parrot@localhost/foo/bar/baz.html\",\r\n             \"localhost\", ftplib.FTP_PORT, \"parrot\", \"\", \"I\",\r\n             [\"foo\", \"bar\"], \"baz.html\", \"text/html\"),\r\n            (\"ftp://%25parrot@localhost/foo/bar/baz.html\",\r\n             \"localhost\", ftplib.FTP_PORT, \"%parrot\", \"\", \"I\",\r\n             [\"foo\", \"bar\"], \"baz.html\", \"text/html\"),\r\n            (\"ftp://%2542parrot@localhost/foo/bar/baz.html\",\r\n             \"localhost\", ftplib.FTP_PORT, \"%42parrot\", \"\", \"I\",\r\n             [\"foo\", \"bar\"], \"baz.html\", \"text/html\"),\r\n            (\"ftp://localhost:80/foo/bar/\",\r\n             \"localhost\", 80, \"\", \"\", \"D\",\r\n             [\"foo\", \"bar\"], \"\", None),\r\n            (\"ftp://localhost/baz.gif;type=a\",\r\n             \"localhost\", ftplib.FTP_PORT, \"\", \"\", \"A\",\r\n             [], \"baz.gif\", None),  # XXX really this should guess image/gif\r\n            ]:\r\n            req = Request(url)\r\n            req.timeout = None\r\n            r = h.ftp_open(req)\r\n            # ftp authentication not yet implemented by FTPHandler\r\n            self.assertEqual(h.user, user)\r\n            self.assertEqual(h.passwd, passwd)\r\n            self.assertEqual(h.host, socket.gethostbyname(host))\r\n            self.assertEqual(h.port, port)\r\n            self.assertEqual(h.dirs, dirs)\r\n            self.assertEqual(h.ftpwrapper.filename, filename)\r\n            self.assertEqual(h.ftpwrapper.filetype, type_)\r\n            headers = r.info()\r\n\u003e           self.assertEqual(headers.get(\"Content-type\"), mimetype)\r\nE           AssertionError: 'image/gif' != None\r\ntests/test_future/test_urllib2.py:726: AssertionError\r\n__________________________________ test_main ___________________________________\r\nverbose = None\r\n    def test_main(verbose=None):\r\n        # support.run_doctest(test_urllib2, verbose)\r\n        # support.run_doctest(urllib_request, verbose)\r\n        tests = (TrivialTests,\r\n                 OpenerDirectorTests,\r\n                 HandlerTests,\r\n                 MiscTests,\r\n                 RequestTests,\r\n                 RequestHdrsTests)\r\n\u003e       support.run_unittest(*tests)\r\ntests/test_future/test_urllib2.py:1562: \r\n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ \r\nbuild/lib/future/backports/test/support.py:1665: in run_unittest\r\n    _run_suite(suite)\r\n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ \r\nsuite = \u003cunittest.suite.TestSuite tests=[None, None, None, None, None, None]\u003e\r\n    def _run_suite(suite):\r\n        \"\"\"Run tests from a unittest.TestSuite-derived class.\"\"\"\r\n        if verbose:\r\n            runner = unittest.TextTestRunner(sys.stdout, verbosity=2,\r\n                                             failfast=failfast)\r\n        else:\r\n            runner = BasicTestRunner()\r\n    \r\n        result = runner.run(suite)\r\n        if not result.wasSuccessful():\r\n            if len(result.errors) == 1 and not result.failures:\r\n                err = result.errors[0][1]\r\n            elif len(result.failures) == 1 and not result.errors:\r\n                err = result.failures[0][1]\r\n            else:\r\n                err = \"multiple errors occurred\"\r\n                if not verbose: err += \"; run in verbose mode for details\"\r\n\u003e           raise TestFailed(err)\r\nE           future.backports.test.support.TestFailed: Traceback (most recent call last):\r\nE             File \"/builddir/build/BUILD/python-future-23989c4d61a5e3b2308b107efc1402bc727e8fe6/python3/tests/test_future/test_urllib2.py\", line 726, in test_ftp\r\nE               self.assertEqual(headers.get(\"Content-type\"), mimetype)\r\nE           AssertionError: 'image/gif' != None\r\nbuild/lib/future/backports/test/support.py:1640: TestFailed\r\n----------------------------- Captured stdout call -----------------------------\r\n```","author":{"url":"https://github.com/sagitter","@type":"Person","name":"sagitter"},"datePublished":"2019-10-12T13:27:24.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/508/python-future/issues/508"}