コード例 #1
0
    def test_set_log_line_attributes_with_base_attributes(self):
        request = AddEventsRequest(self.__body)
        request.set_client_time(1)
        request.add_log_and_thread("log2", "Log two", {})

        event_base = Event()
        event_base.add_attributes({
            "source": "stdout",
            "base": "base"
        },
                                  overwrite_existing=False)

        event_one = Event(base=event_base)
        event_one.set_message("eventOne")
        event_one.add_attributes({
            "source": "stdin",
            "event": "event"
        },
                                 overwrite_existing=True)

        self.assertTrue(request.add_event(event_one, timestamp=1))

        self.assertEquals(
            request.get_payload(),
            b"""{"token":"fakeToken", events: [{attrs:{"event":"event","source":"stdin",message:`s\x00\x00\x00\x08eventOne},ts:"1"}], """
            b"""logs: [{"attrs":{},"id":"log2"}], threads: [{"id":"log2","name":"Log two"}], client_time: 1 }""",
        )
        request.close()
コード例 #2
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    def test_same_sequence_id(self):
        expected_id = b"1234"
        expected_number = 1234
        expected_delta = 1
        request = AddEventsRequest(self.__body)
        request.set_client_time(1)
        self.assertTrue(
            request.add_event(
                Event().set_message("eventOne"),
                timestamp=1,
                sequence_id=expected_id,
                sequence_number=expected_number,
            ))
        self.assertTrue(
            request.add_event(
                Event().set_message("eventTwo"),
                timestamp=2,
                sequence_id=expected_id,
                sequence_number=expected_number + expected_delta,
            ))
        self.assertEquals(request.total_events, 2)

        json = test_util.parse_scalyr_request(request.get_payload())
        event = json["events"][1]

        self.assertFalse("si" in event)
        self.assertFalse("sn" in event)
        self.assertEquals(expected_delta, event["sd"])
        request.close()
コード例 #3
0
    def test_memento(self):
        first_id = "1234"
        second_id = "1235"
        first_number = 1234
        second_number = 1234

        event = Event()
        self.event_sequencer.add_sequence_fields(event, first_id, first_number)

        memento = self.event_sequencer.get_memento()

        event = Event()
        self.event_sequencer.add_sequence_fields(event, second_id,
                                                 second_number)
        self.assertIsNotNone(event.sequence_id)
        self.assertIsNotNone(event.sequence_number)
        self.assertIsNone(event.sequence_number_delta)

        self.event_sequencer.restore_from_memento(memento)

        event = Event()
        self.event_sequencer.add_sequence_fields(event, first_id,
                                                 first_number + 1)
        self.assertIsNone(event.sequence_id)
        self.assertIsNone(event.sequence_number)
        self.assertIsNotNone(event.sequence_number_delta)
コード例 #4
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    def test_send_request_timestamp_increases_monotonically(self):
        session = ScalyrClientSession(
            "https://dummserver.com",
            "DUMMY API KEY",
            SCALYR_VERSION,
            enforce_monotonic_timestamps=True,
        )

        session._ScalyrClientSession__connection = mock.Mock()
        session._ScalyrClientSession__receive_response = mock.Mock()
        scalyr_client._set_last_timestamp(0)

        add_events_request = session.add_events_request()

        ts = 2000
        expected = str(ts + 1)

        add_events_request.add_event(Event().set_message("eventOne"),
                                     timestamp=ts)
        add_events_request.add_event(Event().set_message("eventTwo"),
                                     timestamp=1)

        json = test_util.parse_scalyr_request(add_events_request.get_payload())
        event = json["events"][1]
        self.assertEquals(event["ts"], expected)
コード例 #5
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    def test_only_message(self):
        x = Event()
        x.set_message("my_message")

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals("{attrs:{message:`s\x00\x00\x00\nmy_message}}", output_buffer.getvalue())
コード例 #6
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    def test_multiple_calls_to_get_payload(self):
        request = AddEventsRequest(self.__body)
        request.set_client_time(1)

        self.assertTrue(request.add_event(Event().set_message("eventOne"), timestamp=1))
        self.assertTrue(request.add_event(Event().set_message("eventTwo"), timestamp=2))

        self.assertEquals(request.get_payload(), request.get_payload())
        request.close()
コード例 #7
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    def test_maximum_bytes_exceeded(self):
        request = AddEventsRequest(self.__body, max_size=112)
        request.set_client_time(1)

        self.assertTrue(request.add_event(Event().set_message('eventOne'), timestamp=1L))
        self.assertFalse(request.add_event(Event().set_message('eventTwo'), timestamp=2L))

        self.assertEquals(
            request.get_payload(),
            """{"token":"fakeToken", events: [{attrs:{message:`s\x00\x00\x00\x08eventOne},ts:"1"}], logs: [], threads: [], client_time: 1 }""")
        request.close()
コード例 #8
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    def test_no_monotonically_increasing_timestamp(self):
        request = AddEventsRequest(self.__body)

        ts = 2000

        self.assertTrue(
            request.add_event(Event().set_message("eventOne"), timestamp=ts))
        self.assertTrue(
            request.add_event(Event().set_message("eventTwo"), timestamp=1))

        json = test_util.parse_scalyr_request(request.get_payload())
        event = json["events"][1]
        self.assertEquals(event["ts"], "1")
コード例 #9
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    def test_fast_path_fields(self):
        x = Event(thread_id="foo", attrs={"parser": "bar"})
        x.set_message(b"my_message")
        x.set_sequence_number_delta(3)
        x.set_timestamp(42)

        output_buffer = BytesIO()
        x.serialize(output_buffer)

        self.assertEquals(
            b'{thread:"foo", log:"foo", attrs:{"parser":"bar",message:`s\x00\x00\x00\nmy_message},sd:3,ts:"42"}',
            output_buffer.getvalue(),
        )
コード例 #10
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    def test_same_sequence_id( self ):
        expected_id = '1234'
        expected_number = 1234
        expected_delta = 1

        event = Event()
        self.event_sequencer.add_sequence_fields( event, expected_id, expected_number )

        event = Event()
        self.event_sequencer.add_sequence_fields( event, expected_id, expected_number + expected_delta )

        self.assertIsNone( event.sequence_id  )
        self.assertIsNone( event.sequence_number)
        self.assertEqual( expected_delta, event.sequence_number_delta )
コード例 #11
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    def test_basic_case(self):
        request = AddEventsRequest(self.__body)
        request.set_client_time(1)

        self.assertEquals(request.total_events, 0)

        self.assertTrue(request.add_event(Event().set_message("eventOne"), timestamp=1L))
        self.assertTrue(request.add_event(Event().set_message("eventTwo"), timestamp=2L))

        self.assertEquals(
            request.get_payload(),
            """{"token":"fakeToken", events: [{attrs:{message:`s\x00\x00\x00\x08eventOne},ts:"1"},{attrs:{message:`s\x00\x00\x00\x08eventTwo},ts:"2"}]"""
            """, logs: [], threads: [], client_time: 1 }""")
        self.assertEquals(request.total_events, 2)
        request.close()
コード例 #12
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    def test_set_position(self):
        request = AddEventsRequest(self.__body)
        request.set_client_time(1)
        position = request.position()
        self.assertTrue(request.add_event(Event().set_message('eventOne'), timestamp=1L))
        self.assertTrue(request.add_event(Event().set_message('eventTwo'), timestamp=2L))

        request.set_position(position)
        self.assertTrue(request.add_event(Event().set_message('eventThree'), timestamp=3L))

        self.assertEquals(
            request.get_payload(),
            """{"token":"fakeToken", events: [{attrs:{message:`s\x00\x00\x00\neventThree},ts:"3"}], logs: [], threads: [], client_time: 1 }""")

        request.close()
コード例 #13
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    def test_fast_path_fields(self):
        x = Event(thread_id='foo', attrs={"parser": "bar"})
        x.set_message("my_message")
        x.set_sequence_number_delta(3)
        x.set_timestamp(42L)

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals(
            '{thread:"foo", attrs:{"parser":"bar",message:`s\x00\x00\x00\nmy_message},sd:3,ts:"42"}',
            output_buffer.getvalue())
コード例 #14
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 def test_same_sequence_id( self ):
     expected_id = '1234'
     expected_number = 1234
     expected_delta = 1
     request = AddEventsRequest(self.__body)
     request.set_client_time(1)
     self.assertTrue(request.add_event(Event().set_message('eventOne'), timestamp=1L, sequence_id=expected_id, sequence_number=expected_number))
コード例 #15
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    def test_send_request_body_is_logged_raw_uncompressed_long_body_is_truncated(
            self):
        # Verify that very large bodies are truncated to avoid increased memory usage issues under
        # Python 2.7
        session = ScalyrClientSession("https://dummserver.com",
                                      "DUMMY API KEY", SCALYR_VERSION)

        session._ScalyrClientSession__connection = mock.Mock()
        session._ScalyrClientSession__receive_response = mock.Mock()
        session._ScalyrClientSession__compress = mock.Mock(
            return_value="compressed")

        add_events_request = AddEventsRequest({"bar": "baz"})
        event1 = Event(thread_id="foo4", attrs={
            "parser": "bar2"
        }).set_message("a" * (MAX_REQUEST_BODY_SIZE_LOG_MSG_LIMIT + 1))

        add_events_request.add_event(event=event1, timestamp=1)

        session.send(add_events_request=add_events_request)

        # Should log raw (uncompressed) request body / payload
        expected_body = (
            r'Sending POST /addEvents with body "{"bar":"baz".*\.\.\. \[body truncated to %s chars\] \.\.\.'
            % (MAX_REQUEST_BODY_SIZE_LOG_MSG_LIMIT))
        self.assertLogFileContainsRegex(expected_body,
                                        file_path=self.agent_debug_log_path)
コード例 #16
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 def test_sequence_number_but_no_id(self):
     request = AddEventsRequest(self.__body)
     request.set_client_time(1)
     self.assertTrue(
         request.add_event(Event().set_message("eventOne"),
                           timestamp=1L,
                           sequence_number=1234))
コード例 #17
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    def test_sequence_number_but_no_id(self):
        event = Event()
        self.event_sequencer.add_sequence_fields(event, None, 1234)

        self.assertIsNone(event.sequence_id)
        self.assertIsNone(event.sequence_number)
        self.assertIsNone(event.sequence_number_delta)
コード例 #18
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 def test_different_sequence_id( self ):
     first_id = '1234'
     second_id = '1235'
     first_number = 1234
     second_number = 1234
     request = AddEventsRequest(self.__body)
     request.set_client_time(1)
     self.assertTrue(request.add_event(Event().set_message('eventOne'), timestamp=1L, sequence_id=first_id, sequence_number=first_number))
コード例 #19
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    def test_monotonically_increasing_timestamp(self):
        request = AddEventsRequest(self.__body,
                                   enforce_monotonic_timestamps=True)
        scalyr_client._set_last_timestamp(0)

        ts = 2000

        expected = str(ts + 1)

        self.assertTrue(
            request.add_event(Event().set_message("eventOne"), timestamp=ts))
        self.assertTrue(
            request.add_event(Event().set_message("eventTwo"), timestamp=1))

        json = test_util.parse_scalyr_request(request.get_payload())
        event = json["events"][1]
        self.assertEquals(event["ts"], expected)
コード例 #20
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    def test_set_client_time(self):
        request = AddEventsRequest(self.__body)
        request.set_client_time(100)

        self.assertTrue(request.add_event(Event().set_message('eventOne'), timestamp=1L))
        self.assertTrue(request.add_event(Event().set_message('eventTwo'), timestamp=2L))

        self.assertEquals(
            request.get_payload(),
            """{"token":"fakeToken", events: [{attrs:{message:`s\x00\x00\x00\x08eventOne},ts:"1"},{attrs:{message:`s\x00\x00\x00\x08eventTwo},ts:"2"}]"""
            """, logs: [], threads: [], client_time: 100 }""")

        request.set_client_time(2)
        self.assertEquals(
            request.get_payload(),
            """{"token":"fakeToken", events: [{attrs:{message:`s\x00\x00\x00\x08eventOne},ts:"1"},{attrs:{message:`s\x00\x00\x00\x08eventTwo},ts:"2"}]"""
            """, logs: [], threads: [], client_time: 2 }""")
        request.close()
コード例 #21
0
 def test_set_position_resets_sequence_compression( self ):
     first_id = '1234'
     second_id = '1235'
     first_number = 1234
     second_number = 4321
     expected_delta = 10
     request = AddEventsRequest(self.__body )
     request.set_client_time(1)
     self.assertTrue(request.add_event(Event().set_message('eventOne'), timestamp=1L, sequence_id=first_id, sequence_number=first_number))
コード例 #22
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 def test_exceeds_size_doesnt_effect_sequence( self ):
     first_id = '1234'
     second_id = '1235'
     first_number = 1234
     second_number = 4321
     expected_delta = 10
     request = AddEventsRequest(self.__body, max_size=180)
     request.set_client_time(1)
     self.assertTrue(request.add_event(Event().set_message('eventOne'), timestamp=1L, sequence_id=first_id, sequence_number=first_number))
コード例 #23
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    def test_add_log_and_thread(self):
        request = AddEventsRequest(self.__body)
        request.set_client_time(1)

        self.assertEquals(request.total_events, 0)

        self.assertTrue(request.add_event(Event().set_message("eventOne"), timestamp=1L))
        self.assertTrue(request.add_log_and_thread('t1', 'n1', {"l1": "L1"}))
        self.assertTrue(request.add_event(Event().set_message("eventTwo"), timestamp=2L))
        self.assertTrue(request.add_log_and_thread('t2', 'n2', {"l2": "L2"}))

        self.assertEquals(
            request.get_payload(),
            """{"token":"fakeToken", events: [{attrs:{message:`s\x00\x00\x00\x08eventOne},ts:"1"},{attrs:{message:`s\x00\x00\x00\x08eventTwo},ts:"2"}]"""
            """, logs: [{"attrs":{"l1":"L1"},"id":"t1"},{"attrs":{"l2":"L2"},"id":"t2"}], threads: [{"id":"t1","name":"n1"},{"id":"t2","name":"n2"}], client_time: 1 }""")

        self.assertEquals(request.total_events, 2)
        request.close()
コード例 #24
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    def test_reset(self):
        expected_id = "1234"
        expected_number = 1234
        expected_delta = 1

        event = Event()
        self.event_sequencer.add_sequence_fields(event, expected_id,
                                                 expected_number)

        self.event_sequencer.reset()
        event = Event()
        self.event_sequencer.add_sequence_fields(
            event, expected_id, expected_number + expected_delta)

        self.assertEqual(expected_id.encode("utf-8"), event.sequence_id)
        self.assertEqual(expected_number + expected_delta,
                         event.sequence_number)
        self.assertIsNone(event.sequence_number_delta)
コード例 #25
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    def test_set_position_with_log_and_thread(self):
        request = AddEventsRequest(self.__body)
        request.set_client_time(1)
        position = request.position()
        request.add_log_and_thread('log1', 'Hi there', {})
        self.assertTrue(request.add_event(Event().set_message('eventOne'), timestamp=1L))
        self.assertTrue(request.add_event(Event().set_message('eventTwo'), timestamp=2L))

        request.set_position(position)
        self.assertTrue(request.add_log_and_thread('log2', 'Log two', {}))
        self.assertTrue(request.add_event(Event().set_message('eventThree'), timestamp=3L))

        self.assertEquals(
            request.get_payload(),
            """{"token":"fakeToken", events: [{attrs:{message:`s\x00\x00\x00\neventThree},ts:"3"}], """
            """logs: [{"attrs":{},"id":"log2"}], threads: [{"id":"log2","name":"Log two"}], client_time: 1 }""")

        request.close()
コード例 #26
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    def test_different_sequence_id(self):
        first_id = "1234"
        second_id = "1235"
        first_number = 1234
        second_number = 1234

        event = Event()
        self.event_sequencer.add_sequence_fields(event, first_id, first_number)

        event = Event()
        self.event_sequencer.add_sequence_fields(event, first_id, first_number + 1)

        event = Event()
        self.event_sequencer.add_sequence_fields(event, second_id, second_number)

        self.assertEquals(second_id, event.sequence_id)
        self.assertEquals(second_number, event.sequence_number)
        self.assertIsNone(event.sequence_number_delta)
コード例 #27
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    def test_sequence_id_and_number(self):
        expected_id = "1234"
        expected_number = 1234
        event = Event()
        self.event_sequencer.add_sequence_fields(event, expected_id, expected_number)

        self.assertEquals(expected_id, event.sequence_id)
        self.assertEquals(expected_number, event.sequence_number)
        self.assertIsNone(event.sequence_number_delta)
コード例 #28
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    def test_exceeds_size_doesnt_effect_sequence(self):
        first_id = "1234"
        second_id = "1235"
        first_number = 1234
        second_number = 4321
        expected_delta = 10
        request = AddEventsRequest(self.__body, max_size=180)
        request.set_client_time(1)
        self.assertTrue(
            request.add_event(
                Event().set_message("eventOne"),
                timestamp=1,
                sequence_id=first_id,
                sequence_number=first_number,
            )
        )
        self.assertFalse(
            request.add_event(
                Event(
                    attrs={"name": "eventTwo", "long": "some really long text"}
                ).set_message("eventTwo"),
                timestamp=2,
                sequence_id=second_id,
                sequence_number=second_number,
            )
        )
        self.assertTrue(
            request.add_event(
                Event().set_message("eventThree"),
                timestamp=3,
                sequence_id=first_id,
                sequence_number=first_number + expected_delta,
            )
        )
        self.assertEquals(request.total_events, 2)

        json = test_util.parse_scalyr_request(request.get_payload())
        event = json["events"][1]

        self.assertFalse("si" in event)
        self.assertEquals(expected_delta, event["sd"])
        self.assertFalse("sn" in event)
        request.close()
コード例 #29
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    def test_set_position_resets_sequence_compression(self):
        first_id = "1234"
        second_id = "1235"
        first_number = 1234
        second_number = 4321
        expected_delta = 10
        request = AddEventsRequest(self.__body)
        request.set_client_time(1)
        self.assertTrue(
            request.add_event(
                Event().set_message("eventOne"),
                timestamp=1,
                sequence_id=first_id,
                sequence_number=first_number,
            )
        )
        position = request.position()
        self.assertTrue(
            request.add_event(
                Event().set_message("eventTwo"),
                timestamp=2,
                sequence_id=first_id,
                sequence_number=first_number + expected_delta,
            )
        )
        request.set_position(position)
        self.assertTrue(
            request.add_event(
                Event().set_message("eventThree"),
                timestamp=3,
                sequence_id=first_id,
                sequence_number=second_number,
            )
        )
        self.assertEquals(request.total_events, 2)

        json = test_util.parse_scalyr_request(request.get_payload())
        event = json["events"][1]

        self.assertEquals(second_number, event["sn"])
        self.assertFalse("sd" in event)
        request.close()
コード例 #30
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 def test_sequence_id_and_number(self):
     expected_id = "1234"
     expected_number = 1234
     request = AddEventsRequest(self.__body)
     request.set_client_time(1)
     self.assertTrue(
         request.add_event(
             Event().set_message("eventOne"),
             timestamp=1L,
             sequence_id=expected_id,
             sequence_number=expected_number,
         ))
コード例 #31
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    def test_different_sequence_id(self):
        first_id = "1234"
        second_id = "1235"
        first_number = 1234
        second_number = 1234
        request = AddEventsRequest(self.__body)
        request.set_client_time(1)
        self.assertTrue(
            request.add_event(
                Event().set_message("eventOne"),
                timestamp=1,
                sequence_id=first_id,
                sequence_number=first_number,
            )
        )
        self.assertTrue(
            request.add_event(
                Event().set_message("eventTwo"),
                timestamp=2,
                sequence_id=first_id,
                sequence_number=first_number + 1,
            )
        )
        self.assertTrue(
            request.add_event(
                Event().set_message("eventThree"),
                timestamp=3,
                sequence_id=second_id,
                sequence_number=second_number,
            )
        )
        self.assertEquals(request.total_events, 3)

        json = test_util.parse_scalyr_request(request.get_payload())
        event = json["events"][2]

        self.assertEquals(second_id, event["si"])
        self.assertEquals(second_number, event["sn"])
        self.assertFalse("sd" in event)
        request.close()
コード例 #32
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def generate_add_events_request(num_events,
                                line_length,
                                attributes_count,
                                base_body=None):
    # type: (int, int, int, Optional[dict]) -> AddEventsRequest
    """
    Generate AddEventsRequest object with the num_events number of events with the same payload
    payload (line length) size.
    """
    if not base_body:
        base_body = {
            "token": "api key",
            "session": "sessionbar",
            "threads": []
        }

    add_events_request = AddEventsRequest(base_body=base_body)

    for _ in range(0, num_events):
        line = generate_random_line(length=line_length)
        attributes = generate_random_dict(keys_count=attributes_count)

        event = Event(thread_id=100)
        event.set_message(line)
        event.add_attributes(attributes)

        add_events_request.add_event(event)

    return add_events_request
コード例 #33
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    def test_all_fields(self):
        x = Event(thread_id="foo", attrs={"parser": "bar"})
        x.set_message("my_message")
        x.set_sampling_rate(0.5)
        x.set_sequence_id(1)
        x.set_sequence_number(2)
        x.set_sequence_number_delta(3)
        x.set_timestamp(42L)

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals(
            '{thread:"foo", attrs:{"parser":"bar",message:`s\x00\x00\x00\nmy_message,sample_rate:0.5},ts:"42",si:"1",sn:2,sd:3}',
            output_buffer.getvalue(),
        )
        self.assertEquals(
            json_lib.JsonObject(
                thread="foo",
                ts="42",
                si="1",
                sn=2,
                sd=3,
                attrs=json_lib.JsonObject(parser="bar", message="my_message", sample_rate=0.5),
            ),
            json_lib.parse(output_buffer.getvalue()),
        )
コード例 #34
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    def test_no_attrs(self):
        x = Event(thread_id="biz")
        x.set_message("my_message")
        x.set_sampling_rate(0.5)
        x.set_sequence_id(1)
        x.set_sequence_number(2)
        x.set_sequence_number_delta(3)
        x.set_timestamp(42L)

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals(
            '{thread:"biz", attrs:{message:`s\x00\x00\x00\nmy_message,sample_rate:0.5},ts:"42",si:"1",sn:2,sd:3}',
            output_buffer.getvalue(),
        )
コード例 #35
0
    def test_individual_fields(self):
        # snd
        x = Event(thread_id="foo", attrs={"parser": "bar"})
        x.set_message("my_message")
        x.set_sequence_number_delta(3)

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals(
            '{thread:"foo", attrs:{"parser":"bar",message:`s\x00\x00\x00\nmy_message},sd:3}', output_buffer.getvalue()
        )

        # timestamp
        x = Event(thread_id="foo", attrs={"parser": "bar"})
        x.set_message("my_message")
        x.set_timestamp(42)

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals(
            '{thread:"foo", attrs:{"parser":"bar",message:`s\x00\x00\x00\nmy_message},ts:"42"}',
            output_buffer.getvalue(),
        )

        # sampling_rate
        x = Event(thread_id="foo", attrs={"parser": "bar"})
        x.set_message("my_message")
        x.set_sampling_rate(0.5)

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals(
            '{thread:"foo", attrs:{"parser":"bar",message:`s\x00\x00\x00\nmy_message,sample_rate:0.5}}',
            output_buffer.getvalue(),
        )

        # sid
        x = Event(thread_id="foo", attrs={"parser": "bar"})
        x.set_message("my_message")
        x.set_sequence_id("hi")

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals(
            '{thread:"foo", attrs:{"parser":"bar",message:`s\x00\x00\x00\nmy_message},si:"hi"}',
            output_buffer.getvalue(),
        )

        # seq num
        x = Event(thread_id="foo", attrs={"parser": "bar"})
        x.set_message("my_message")
        x.set_sequence_number(5)

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals(
            '{thread:"foo", attrs:{"parser":"bar",message:`s\x00\x00\x00\nmy_message},sn:5}', output_buffer.getvalue()
        )
コード例 #36
0
    def test_create_from_template(self):
        x = Event(thread_id="foo", attrs={"parser": "bar"})
        x = Event(base=x)
        x.set_message("my_message")
        x.set_sampling_rate(0.5)
        x.set_sequence_id(1)
        x.set_sequence_number(2)
        x.set_sequence_number_delta(3)
        x.set_timestamp(42L)

        output_buffer = StringIO()
        x.serialize(output_buffer)

        self.assertEquals(
            '{thread:"foo", attrs:{"parser":"bar",message:`s\x00\x00\x00\nmy_message,sample_rate:0.5},ts:"42",si:"1",sn:2,sd:3}',
            output_buffer.getvalue(),
        )