Python pop Examples

Example #1

    def test_disable_compression(self, *args):
        c = self.make_connection()
        c._callbacks = {0: c._handle_options_response}
        c.defunct = Mock()
        # disable compression
        c.compression = False

        locally_supported_compressions.pop('lz4', None)
        locally_supported_compressions.pop('snappy', None)
        locally_supported_compressions['lz4'] = ('lz4compress',
                                                 'lz4decompress')
        locally_supported_compressions['snappy'] = ('snappycompress',
                                                    'snappydecompress')

        # read in a SupportedMessage response
        header = self.make_header_prefix(SupportedMessage)

        # the server only supports snappy
        options_buf = BytesIO()
        write_stringmultimap(options_buf, {
            'CQL_VERSION': ['3.0.3'],
            'COMPRESSION': ['snappy', 'lz4']
        })
        options = options_buf.getvalue()

        message = self.make_msg(header, options)
        c.process_msg(message, len(message) - 8)

        self.assertEqual(c.decompressor, None)

Example #2

File: test_connection.py Project: rainslytherin/python-driver

    def test_prefer_lz4_compression(self, *args):
        c = self.make_connection()
        c._requests = {
            0: (c._handle_options_response, ProtocolHandler.decode_message)
        }
        c.defunct = Mock()
        c.cql_version = "3.0.3"

        locally_supported_compressions.pop('lz4', None)
        locally_supported_compressions.pop('snappy', None)
        locally_supported_compressions['lz4'] = ('lz4compress',
                                                 'lz4decompress')
        locally_supported_compressions['snappy'] = ('snappycompress',
                                                    'snappydecompress')

        # read in a SupportedMessage response
        options_buf = BytesIO()
        write_stringmultimap(options_buf, {
            'CQL_VERSION': ['3.0.3'],
            'COMPRESSION': ['snappy', 'lz4']
        })
        options = options_buf.getvalue()

        c.process_msg(
            _Frame(version=4,
                   flags=0,
                   stream=0,
                   opcode=SupportedMessage.opcode,
                   body_offset=9,
                   end_pos=9 + len(options)), options)

        self.assertEqual(c.decompressor,
                         locally_supported_compressions['lz4'][1])

Example #3

    def test_requested_compression_not_available(self, *args):
        c = self.make_connection()
        c._callbacks = {0: c._handle_options_response}
        c.defunct = Mock()
        # request lz4 compression
        c.compression = "lz4"

        locally_supported_compressions.pop('lz4', None)
        locally_supported_compressions.pop('snappy', None)
        locally_supported_compressions['lz4'] = ('lz4compress',
                                                 'lz4decompress')
        locally_supported_compressions['snappy'] = ('snappycompress',
                                                    'snappydecompress')

        # read in a SupportedMessage response
        header = self.make_header_prefix(SupportedMessage)

        # the server only supports snappy
        options_buf = BytesIO()
        write_stringmultimap(options_buf, {
            'CQL_VERSION': ['3.0.3'],
            'COMPRESSION': ['snappy']
        })
        options = options_buf.getvalue()

        message = self.make_msg(header, options)
        c.process_msg(message, len(message) - 8)

        # make sure it errored correctly
        c.defunct.assert_called_once_with(ANY)
        args, kwargs = c.defunct.call_args
        self.assertIsInstance(args[0], ProtocolError)

Example #4

File: test_connection.py Project: jeffjirsa/python-driver

    def test_requested_compression_not_available(self, *args):
        c = self.make_connection()
        c._callbacks = {0: c._handle_options_response}
        c.defunct = Mock()
        # request lz4 compression
        c.compression = "lz4"

        locally_supported_compressions.pop('lz4', None)
        locally_supported_compressions.pop('snappy', None)
        locally_supported_compressions['lz4'] = ('lz4compress', 'lz4decompress')
        locally_supported_compressions['snappy'] = ('snappycompress', 'snappydecompress')

        # read in a SupportedMessage response
        header = self.make_header_prefix(SupportedMessage)

        # the server only supports snappy
        options_buf = BytesIO()
        write_stringmultimap(options_buf, {
            'CQL_VERSION': ['3.0.3'],
            'COMPRESSION': ['snappy']
        })
        options = options_buf.getvalue()

        message = self.make_msg(header, options)
        c.process_msg(message, len(message) - 8)

        # make sure it errored correctly
        c.defunct.assert_called_once_with(ANY)
        args, kwargs = c.defunct.call_args
        self.assertIsInstance(args[0], ProtocolError)

Example #5

File: test_connection.py Project: jeffjirsa/python-driver

    def test_disable_compression(self, *args):
        c = self.make_connection()
        c._callbacks = {0: c._handle_options_response}
        c.defunct = Mock()
        # disable compression
        c.compression = False

        locally_supported_compressions.pop('lz4', None)
        locally_supported_compressions.pop('snappy', None)
        locally_supported_compressions['lz4'] = ('lz4compress', 'lz4decompress')
        locally_supported_compressions['snappy'] = ('snappycompress', 'snappydecompress')

        # read in a SupportedMessage response
        header = self.make_header_prefix(SupportedMessage)

        # the server only supports snappy
        options_buf = BytesIO()
        write_stringmultimap(options_buf, {
            'CQL_VERSION': ['3.0.3'],
            'COMPRESSION': ['snappy', 'lz4']
        })
        options = options_buf.getvalue()

        message = self.make_msg(header, options)
        c.process_msg(message, len(message) - 8)

        self.assertEqual(c.decompressor, None)

Example #6

File: test_connection.py Project: Adirio/python-driver

    def test_use_requested_compression(self, *args):
        c = self.make_connection()
        c._requests = {0: (c._handle_options_response, ProtocolHandler.decode_message)}
        c.defunct = Mock()
        # request snappy compression
        c.compression = "snappy"

        locally_supported_compressions.pop('lz4', None)
        locally_supported_compressions.pop('snappy', None)
        locally_supported_compressions['lz4'] = ('lz4compress', 'lz4decompress')
        locally_supported_compressions['snappy'] = ('snappycompress', 'snappydecompress')

        # read in a SupportedMessage response
        header = self.make_header_prefix(SupportedMessage)

        # the server only supports snappy
        options_buf = BytesIO()
        write_stringmultimap(options_buf, {
            'CQL_VERSION': ['3.0.3'],
            'COMPRESSION': ['snappy', 'lz4']
        })
        options = options_buf.getvalue()

        c.process_msg(_Frame(version=4, flags=0, stream=0, opcode=SupportedMessage.opcode, body_offset=9, end_pos=9 + len(options)), options)

        self.assertEqual(c.decompressor, locally_supported_compressions['snappy'][1])

Example #7

File: test_connection.py Project: Adirio/python-driver

    def test_requested_compression_not_available(self, *args):
        c = self.make_connection()
        c._requests = {0: (c._handle_options_response, ProtocolHandler.decode_message)}
        c.defunct = Mock()
        # request lz4 compression
        c.compression = "lz4"

        locally_supported_compressions.pop('lz4', None)
        locally_supported_compressions.pop('snappy', None)
        locally_supported_compressions['lz4'] = ('lz4compress', 'lz4decompress')
        locally_supported_compressions['snappy'] = ('snappycompress', 'snappydecompress')

        # read in a SupportedMessage response
        header = self.make_header_prefix(SupportedMessage)

        # the server only supports snappy
        options_buf = BytesIO()
        write_stringmultimap(options_buf, {
            'CQL_VERSION': ['3.0.3'],
            'COMPRESSION': ['snappy']
        })
        options = options_buf.getvalue()

        c.process_msg(_Frame(version=4, flags=0, stream=0, opcode=SupportedMessage.opcode, body_offset=9, end_pos=9 + len(options)), options)

        # make sure it errored correctly
        c.defunct.assert_called_once_with(ANY)
        args, kwargs = c.defunct.call_args
        self.assertIsInstance(args[0], ProtocolError)

Example #8

File: test_connection.py Project: trackuity/python-driver

    def test_requested_compression_not_available(self, *args):
        c = self.make_connection()
        c._requests = {0: (c._handle_options_response, ProtocolHandler.decode_message, [])}
        c.defunct = Mock()
        # request lz4 compression
        c.compression = "lz4"

        locally_supported_compressions.pop('lz4', None)
        locally_supported_compressions.pop('snappy', None)
        locally_supported_compressions['lz4'] = ('lz4compress', 'lz4decompress')
        locally_supported_compressions['snappy'] = ('snappycompress', 'snappydecompress')

        # the server only supports snappy
        options_buf = BytesIO()
        write_stringmultimap(options_buf, {
            'CQL_VERSION': ['3.0.3'],
            'COMPRESSION': ['snappy']
        })
        options = options_buf.getvalue()

        c.process_msg(_Frame(version=4, flags=0, stream=0, opcode=SupportedMessage.opcode, body_offset=9, end_pos=9 + len(options)), options)

        # make sure it errored correctly
        c.defunct.assert_called_once_with(ANY)
        args, kwargs = c.defunct.call_args
        self.assertIsInstance(args[0], ProtocolError)

Example #9

File: test_connection.py Project: pgaref/python-driver

    def test_prefer_lz4_compression(self, *args):
        c = self.make_connection()
        c._id_queue.get_nowait()
        c._callbacks = {0: c._handle_options_response}
        c.defunct = Mock()
        c.cql_version = "3.0.3"

        locally_supported_compressions.pop('lz4', None)
        locally_supported_compressions.pop('snappy', None)
        locally_supported_compressions['lz4'] = ('lz4compress', 'lz4decompress')
        locally_supported_compressions['snappy'] = ('snappycompress', 'snappydecompress')

        # read in a SupportedMessage response
        header = self.make_header_prefix(SupportedMessage)

        options_buf = StringIO()
        write_stringmultimap(options_buf, {
            'CQL_VERSION': ['3.0.3'],
            'COMPRESSION': ['snappy', 'lz4']
        })
        options = options_buf.getvalue()

        message = self.make_msg(header, options)
        c.process_msg(message, len(message) - 8)

        self.assertEqual(c.decompressor, locally_supported_compressions['lz4'][1])

Example #10

File: test_connection.py Project: HoogWater/python-driver

    def test_use_requested_compression(self, *args):
        c = self.make_connection()
        c._callbacks = {0: c._handle_options_response}
        c.defunct = Mock()
        # request snappy compression
        c.compression = "snappy"

        locally_supported_compressions.pop("lz4", None)
        locally_supported_compressions.pop("snappy", None)
        locally_supported_compressions["lz4"] = ("lz4compress", "lz4decompress")
        locally_supported_compressions["snappy"] = ("snappycompress", "snappydecompress")

        # read in a SupportedMessage response
        header = self.make_header_prefix(SupportedMessage)

        # the server only supports snappy
        options_buf = BytesIO()
        write_stringmultimap(options_buf, {"CQL_VERSION": ["3.0.3"], "COMPRESSION": ["snappy", "lz4"]})
        options = options_buf.getvalue()

        c.process_msg(
            _Frame(
                version=4, flags=0, stream=0, opcode=SupportedMessage.opcode, body_offset=9, end_pos=9 + len(options)
            ),
            options,
        )

        self.assertEqual(c.decompressor, locally_supported_compressions["snappy"][1])