def test_do_handshake_with_capitalized_value(self):
        request_def = _create_good_request_def()
        request_def.headers['upgrade'] = 'WEBSOCKET'

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(_EXPECTED_RESPONSE, request.connection.written_data())

        request_def = _create_good_request_def()
        request_def.headers['Connection'] = 'UPGRADE'

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(_EXPECTED_RESPONSE, request.connection.written_data())
    def test_do_handshake_with_protocol_no_protocol_selection(self):
        request_def = _create_good_request_def()
        request_def.headers['Sec-WebSocket-Protocol'] = 'chat, superchat'

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        # ws_protocol is not set. HandshakeException must be raised.
        self.assertRaises(HandshakeException, handshaker.do_handshake)
    def test_do_handshake_with_protocol_no_protocol_selection(self):
        request_def = _create_good_request_def()
        request_def.headers['Sec-WebSocket-Protocol'] = 'chat, superchat'

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        # ws_protocol is not set. HandshakeException must be raised.
        self.assertRaises(HandshakeException, handshaker.do_handshake)
    def test_do_handshake_with_multiple_connection_values(self):
        request_def = _create_good_request_def()
        request_def.headers['Connection'] = 'Upgrade, keep-alive, , '

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(_EXPECTED_RESPONSE, request.connection.written_data())
    def test_do_handshake_with_quoted_extensions(self):
        request_def = _create_good_request_def()
        request_def.headers['Sec-WebSocket-Extensions'] = (
            'permessage-compress; method=deflate, , '
            'unknown; e   =    "mc^2"; ma="\r\n      \\\rf  "; pv=nrt')

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        self.assertRaises(HandshakeException, handshaker.do_handshake)
    def test_do_handshake_with_capitalized_value(self):
        request_def = _create_good_request_def()
        request_def.headers['upgrade'] = 'WEBSOCKET'

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(
            _EXPECTED_RESPONSE, request.connection.written_data())

        request_def = _create_good_request_def()
        request_def.headers['Connection'] = 'UPGRADE'

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(
            _EXPECTED_RESPONSE, request.connection.written_data())
    def test_do_handshake_with_quoted_extensions(self):
        request_def = _create_good_request_def()
        request_def.headers['Sec-WebSocket-Extensions'] = (
            'deflate-stream, , '
            'unknown; e   =    "mc^2"; ma="\r\n      \\\rf  "; pv=nrt')

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        self.assertRaises(HandshakeException, handshaker.do_handshake)
    def test_do_handshake_with_multiple_connection_values(self):
        request_def = _create_good_request_def()
        request_def.headers['Connection'] = 'Upgrade, keep-alive, , '

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(
            _EXPECTED_RESPONSE, request.connection.written_data())
    def test_do_handshake_with_optional_headers(self):
        request_def = _create_good_request_def()
        request_def.headers['EmptyValue'] = ''
        request_def.headers['AKey'] = 'AValue'

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual('AValue', request.headers_in['AKey'])
        self.assertEqual('', request.headers_in['EmptyValue'])
    def test_do_handshake_with_optional_headers(self):
        request_def = _create_good_request_def()
        request_def.headers['EmptyValue'] = ''
        request_def.headers['AKey'] = 'AValue'

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(
            'AValue', request.headers_in['AKey'])
        self.assertEqual(
            '', request.headers_in['EmptyValue'])
    def test_do_handshake_with_extensions(self):
        request_def = _create_good_request_def()
        request_def.headers['Sec-WebSocket-Extensions'] = (
            'deflate-stream, unknown')

        EXPECTED_RESPONSE = (
            'HTTP/1.1 101 Switching Protocols\r\n'
            'Upgrade: websocket\r\n'
            'Connection: Upgrade\r\n'
            'Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=\r\n'
            'Sec-WebSocket-Extensions: deflate-stream\r\n\r\n')

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(EXPECTED_RESPONSE, request.connection.written_data())
        self.assertEqual(1, len(request.ws_extensions))
        extension = request.ws_extensions[0]
        self.assertEqual('deflate-stream', extension.name())
        self.assertEqual(0, len(extension.get_parameter_names()))
    def test_do_handshake_with_extensions(self):
        request_def = _create_good_request_def()
        request_def.headers['Sec-WebSocket-Extensions'] = (
            'deflate-stream, unknown')

        EXPECTED_RESPONSE = (
            'HTTP/1.1 101 Switching Protocols\r\n'
            'Upgrade: websocket\r\n'
            'Connection: Upgrade\r\n'
            'Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=\r\n'
            'Sec-WebSocket-Extensions: deflate-stream\r\n\r\n')

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(EXPECTED_RESPONSE, request.connection.written_data())
        self.assertEqual(1, len(request.ws_extensions))
        extension = request.ws_extensions[0]
        self.assertEqual('deflate-stream', extension.name())
        self.assertEqual(0, len(extension.get_parameter_names()))
    def test_do_handshake_with_extensions(self):
        request_def = _create_good_request_def()
        request_def.headers['Sec-WebSocket-Extensions'] = (
            'permessage-compress; method=deflate, unknown')

        EXPECTED_RESPONSE = (
            'HTTP/1.1 101 Switching Protocols\r\n'
            'Upgrade: websocket\r\n'
            'Connection: Upgrade\r\n'
            'Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=\r\n'
            'Sec-WebSocket-Extensions: permessage-compress; method=deflate\r\n'
            '\r\n')

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(EXPECTED_RESPONSE, request.connection.written_data())
        self.assertEqual(1, len(request.ws_extensions))
        extension = request.ws_extensions[0]
        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
                         extension.name())
        self.assertEqual(['method'], extension.get_parameter_names())
        self.assertEqual('deflate', extension.get_parameter_value('method'))
    def test_do_handshake_with_extensions(self):
        request_def = _create_good_request_def()
        request_def.headers['Sec-WebSocket-Extensions'] = (
            'permessage-compress; method=deflate, unknown')

        EXPECTED_RESPONSE = (
            'HTTP/1.1 101 Switching Protocols\r\n'
            'Upgrade: websocket\r\n'
            'Connection: Upgrade\r\n'
            'Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=\r\n'
            'Sec-WebSocket-Extensions: permessage-compress; method=deflate\r\n'
            '\r\n')

        request = _create_request(request_def)
        handshaker = _create_handshaker(request)
        handshaker.do_handshake()
        self.assertEqual(EXPECTED_RESPONSE, request.connection.written_data())
        self.assertEqual(1, len(request.ws_extensions))
        extension = request.ws_extensions[0]
        self.assertEqual(common.PERMESSAGE_COMPRESSION_EXTENSION,
                         extension.name())
        self.assertEqual(['method'], extension.get_parameter_names())
        self.assertEqual('deflate', extension.get_parameter_value('method'))