test_fetch.py 文件源码

def test_fetch_to_files_with_non_existing_directory(self):
        """
        The deferred list returned by L{fetch_to_files} results in a failure
        if the destination directory doesn't exist.
        """
        url_results = {"http://im/right": b"right"}
        directory = "i/dont/exist/"
        curl = CurlManyStub(url_results)

        result = fetch_to_files(url_results.keys(), directory, curl=curl)

        def check_error(failure):
            error = str(failure.value.subFailure.value)
            self.assertEqual(error,
                             ("[Errno 2] No such file or directory: "
                              "'i/dont/exist/right'"))
            self.assertFalse(os.path.exists(os.path.join(directory, "right")))

        result.addErrback(check_error)
        return result