Method test_add_text_file_warns

Lib/test/test_mailbox.py:172–179

(self)

            self._non_latin_bin_msg.split(b'\n'))

    def test_add_text_file_warns(self):
        with tempfile.TemporaryFile('w+', encoding='utf-8') as f:
            f.write(_sample_message)
            f.seek(0)
            with self.assertWarns(DeprecationWarning):
                key = self._box.add(f)
        self.assertEqual(self._box.get_bytes(key).split(b'\n'),
            _bytes_sample_message.split(b'\n'))

    def test_add_StringIO_warns(self):
        with self.assertWarns(DeprecationWarning):