Python compat._b函数代码示例

 def skip_quoted_bracket(self, keyword):
     # This tests it is accepted, but cannot test it is used today, because
     # of not having a way to expose it in Python so far.
     self.protocol.lineReceived(_b("%s mcdonalds farm [\n" % keyword))
     self.protocol.lineReceived(_b(" ]\n"))
     self.protocol.lineReceived(_b("]\n"))
     self.assertSkip(_b("]\n"))

 def test_calls_list_tests(self):
     ui, cmd = self.get_test_ui_and_cmd(args=('--', 'bar', 'quux'))
     cmd.repository_factory = memory.RepositoryFactory()
     if v2_avail:
         buffer = BytesIO()
         stream = subunit.StreamResultToBytes(buffer)
         stream.status(test_id='returned', test_status='exists')
         stream.status(test_id='values', test_status='exists')
         subunit_bytes = buffer.getvalue()
     else:
         subunit_bytes = _b('returned\n\nvalues\n')
     ui.proc_outputs = [subunit_bytes]
     self.setup_repo(cmd, ui)
     self.set_config(
         '[DEFAULT]\ntest_command=foo $LISTOPT $IDOPTION\n'
         'test_id_option=--load-list $IDFILE\n'
         'test_list_option=--list\n')
     self.assertEqual(0, cmd.execute())
     expected_cmd = 'foo --list  bar quux'
     self.assertEqual([
         ('values', [('running', expected_cmd)]),
         ('popen', (expected_cmd,),
          {'shell': True, 'stdout': PIPE, 'stdin': PIPE}),
         ('communicate',),
         ('stream', _b('returned\nvalues\n')),
         ], ui.outputs)

 def xfail_quoted_bracket(self, keyword, as_success):
     # This tests it is accepted, but cannot test it is used today, because
     # of not having a way to expose it in Python so far.
     self.protocol.lineReceived(_b("%s mcdonalds farm [\n" % keyword))
     self.protocol.lineReceived(_b(" ]\n"))
     self.protocol.lineReceived(_b("]\n"))
     self.check_success_or_xfail(as_success, "]\n")

 def test_success_empty_message(self):
     self.protocol.lineReceived(_b("success mcdonalds farm [\n"))
     self.protocol.lineReceived(_b("]\n"))
     details = {}
     details['message'] = Content(ContentType("text", "plain"),
         lambda:[_b("")])
     self.assertSuccess(details)

 def test_failure_empty_message(self):
     self.protocol.lineReceived(_b("failure mcdonalds farm [\n"))
     self.protocol.lineReceived(_b("]\n"))
     details = {}
     details['traceback'] = Content(ContentType("text", "x-traceback",
         {'charset': 'utf8'}), lambda:[_b("")])
     self.assertFailure(details)

    def _addOutcome(self, outcome, test, error=None, details=None, error_permitted=True):
        """Report a failure in test test.

        Only one of error and details should be provided: conceptually there
        are two separate methods:
            addOutcome(self, test, error)
            addOutcome(self, test, details)

        :param outcome: A string describing the outcome - used as the
            event name in the subunit stream.
        :param error: Standard unittest positional argument form - an
            exc_info tuple.
        :param details: New Testing-in-python drafted API; a dict from string
            to subunit.Content objects.
        :param error_permitted: If True then one and only one of error or
            details must be supplied. If False then error must not be supplied
            and details is still optional.  """
        self._stream.write(_b("%s: " % outcome) + self._test_id(test))
        if error_permitted:
            if error is None and details is None:
                raise ValueError
        else:
            if error is not None:
                raise ValueError
        if error is not None:
            self._stream.write(self._start_simple)
            tb_content = TracebackContent(error, test)
            for bytes in tb_content.iter_bytes():
                self._stream.write(bytes)
        elif details is not None:
            self._write_details(details)
        else:
            self._stream.write(_b("\n"))
        if details is not None or error is not None:
            self._stream.write(self._end_simple)

    def __init__(self, output, strict=True):
        """Create a decoder decoding to output.

        :param output: A file-like object. Bytes written to the Decoder are
            decoded to strip off the chunking and written to the output.
            Up to a full write worth of data or a single control line may be
            buffered (whichever is larger). The close method should be called
            when no more data is available, to detect short streams; the
            write method will return none-None when the end of a stream is
            detected. The output object must accept bytes objects.

        :param strict: If True (the default), the decoder will not knowingly
            accept input that is not conformant to the HTTP specification.
            (This does not imply that it will catch every nonconformance.)
            If False, it will accept incorrect input that is still
            unambiguous.
        """
        self.output = output
        self.buffered_bytes = []
        self.state = self._read_length
        self.body_length = 0
        self.strict = strict
        self._match_chars = _b("0123456789abcdefABCDEF\r\n")
        self._slash_n = _b('\n')
        self._slash_r = _b('\r')
        self._slash_rn = _b('\r\n')
        self._slash_nr = _b('\n\r')

 def test_long_bytes(self):
     one_line_b = self._long_b.replace(_b("\n"), _b(" "))
     mismatch = _BinaryMismatch(one_line_b, "!~", self._long_b)
     self.assertEqual(mismatch.describe(),
         "%s:\nreference = %s\nactual    = %s\n" % ("!~",
             text_repr(one_line_b),
             text_repr(self._long_b, multiline=True)))

 def test_time_accepted_stdlib(self):
     self.result = Python26TestResult()
     self.stream = BytesIO()
     self.protocol = subunit.TestProtocolServer(self.result,
         stream=self.stream)
     self.protocol.lineReceived(_b("time: 2001-12-12 12:59:59Z\n"))
     self.assertEqual(_b(""), self.stream.getvalue())

    def __init__(self, client, stream=None, forward_stream=None):
        """Create a TestProtocolServer instance.

        :param client: An object meeting the unittest.TestResult protocol.
        :param stream: The stream that lines received which are not part of the
            subunit protocol should be written to. This allows custom handling
            of mixed protocols. By default, sys.stdout will be used for
            convenience. It should accept bytes to its write() method.
        :param forward_stream: A stream to forward subunit lines to. This
            allows a filter to forward the entire stream while still parsing
            and acting on it. By default forward_stream is set to
            DiscardStream() and no forwarding happens.
        """
        self.client = ExtendedToOriginalDecorator(client)
        if stream is None:
            stream = sys.stdout
            if sys.version_info > (3, 0):
                stream = stream.buffer
        self._stream = stream
        self._forward_stream = forward_stream or DiscardStream()
        # state objects we can switch too
        self._in_test = _InTest(self)
        self._outside_test = _OutSideTest(self)
        self._reading_error_details = _ReadingErrorDetails(self)
        self._reading_failure_details = _ReadingFailureDetails(self)
        self._reading_skip_details = _ReadingSkipDetails(self)
        self._reading_success_details = _ReadingSuccessDetails(self)
        self._reading_xfail_details = _ReadingExpectedFailureDetails(self)
        self._reading_uxsuccess_details = _ReadingUnexpectedSuccessDetails(self)
        # start with outside test.
        self._state = self._outside_test
        # Avoid casts on every call
        self._plusminus = _b('+-')
        self._push_sym = _b('push')
        self._pop_sym = _b('pop')

 def test_from_file(self):
     fd, path = tempfile.mkstemp()
     self.addCleanup(os.remove, path)
     os.write(fd, _b("some data"))
     os.close(fd)
     content = content_from_file(path, UTF8_TEXT, chunk_size=2)
     self.assertThat(list(content.iter_bytes()), Equals([_b("so"), _b("me"), _b(" d"), _b("at"), _b("a")]))

 def failure_quoted_bracket(self, keyword):
     self.protocol.lineReceived(_b("%s mcdonalds farm [\n" % keyword))
     self.protocol.lineReceived(_b(" ]\n"))
     self.protocol.lineReceived(_b("]\n"))
     details = {}
     details['traceback'] = Content(ContentType("text", "x-traceback",
         {'charset': 'utf8'}), lambda:[_b("]\n")])
     self.assertFailure(details)

 def tags(self, new_tags, gone_tags):
     """Inform the client about tags added/removed from the stream."""
     if not new_tags and not gone_tags:
         return
     tags = set([tag.encode('utf8') for tag in new_tags])
     tags.update([_b("-") + tag.encode('utf8') for tag in gone_tags])
     tag_line = _b("tags: ") + _b(" ").join(tags) + _b("\n")
     self._stream.write(tag_line)

 def test_decode_newline_nonstrict(self):
     """Tolerate chunk markers with no CR character."""
     # From <http://pad.lv/505078>
     self.decoder = subunit.chunked.Decoder(self.output, strict=False)
     self.assertEqual(None, self.decoder.write(_b('a\n')))
     self.assertEqual(None, self.decoder.write(_b('abcdeabcde')))
     self.assertEqual(_b(''), self.decoder.write(_b('0\n')))
     self.assertEqual(_b('abcdeabcde'), self.output.getvalue())

 def addSkip(self, test, reason=None, details=None):
     """Report a skipped test."""
     if reason is None:
         self._addOutcome("skip", test, error=None, details=details)
     else:
         self._stream.write(_b("skip: %s [\n" % test.id()))
         self._stream.write(_b("%s\n" % reason))
         self._stream.write(self._end_simple)