Ejemplo n.º 1
0
 def testCanDeserialize(self):
     self._ValidSequence(self.request_track)
     self.request_track.duplicates_count = 142
     self.request_track.inconsistent_initiators_count = 123
     json_dict = self.request_track.ToJsonDict()
     request_track = RequestTrack.FromJsonDict(json_dict)
     self.assertEquals(self.request_track, request_track)
Ejemplo n.º 2
0
 def setUp(self):
     self.request_track = RequestTrack(None)
Ejemplo n.º 3
0
def create_request_track(raw_network_events):
    request_track = RequestTrack(None)
    for event in raw_network_events:
        if event['method'] in RequestTrack._METHOD_TO_HANDLER:  # pylint: disable=protected-access
            request_track.Handle(event['method'], event)
    return request_track.ToJsonDict()
Ejemplo n.º 4
0
class RequestTrackTestCase(unittest.TestCase):
    _REQUEST_WILL_BE_SENT = {
        'method': 'Network.requestWillBeSent',
        'params': {
            'documentURL': 'http://example.com/',
            'frameId': '32493.1',
            'initiator': {
                'type': 'other'
            },
            'loaderId': '32493.3',
            'request': {
                'headers': {
                    'Accept': 'text/html',
                    'Upgrade-Insecure-Requests': '1',
                    'User-Agent': 'Mozilla/5.0'
                },
                'initialPriority': 'VeryHigh',
                'method': 'GET',
                'mixedContentType': 'none',
                'url': 'http://example.com/'
            },
            'requestId': '32493.1',
            'timestamp': 5571441.535053,
            'type': 'Document',
            'wallTime': 1452691674.08878
        }
    }
    _REDIRECT = {
        'method': 'Network.requestWillBeSent',
        'params': {
            'documentURL': 'http://www.example.com/',
            'frameId': '32493.1',
            'initiator': {
                'type': 'other'
            },
            'loaderId': '32493.3',
            'redirectResponse': {
                'connectionId': 18,
                'connectionReused': False,
                'encodedDataLength': 198,
                'fromDiskCache': False,
                'fromServiceWorker': False,
                'headers': {},
                'headersText': 'HTTP/1.1 301 Moved Permanently\r\n',
                'mimeType': 'text/html',
                'protocol': 'http/1.1',
                'remoteIPAddress': '216.146.46.10',
                'remotePort': 80,
                'requestHeaders': {
                    'Accept': 'text/html',
                    'User-Agent': 'Mozilla/5.0'
                },
                'securityState': 'neutral',
                'status': 301,
                'statusText': 'Moved Permanently',
                'timing': {
                    'connectEnd': 137.435999698937,
                    'connectStart': 51.1459996923804,
                    'dnsEnd': 51.1459996923804,
                    'dnsStart': 0,
                    'proxyEnd': -1,
                    'proxyStart': -1,
                    'receiveHeadersEnd': 228.187000378966,
                    'requestTime': 5571441.55002,
                    'sendEnd': 138.841999694705,
                    'sendStart': 138.031999580562,
                    'sslEnd': -1,
                    'sslStart': -1,
                    'workerReady': -1,
                    'workerStart': -1
                },
                'url': 'http://example.com/'
            },
            'request': {
                'headers': {
                    'Accept': 'text/html',
                    'User-Agent': 'Mozilla/5.0'
                },
                'initialPriority': 'VeryLow',
                'method': 'GET',
                'mixedContentType': 'none',
                'url': 'http://www.example.com/'
            },
            'requestId': '32493.1',
            'timestamp': 5571441.795948,
            'type': 'Document',
            'wallTime': 1452691674.34968
        }
    }
    _RESPONSE_RECEIVED = {
        'method': 'Network.responseReceived',
        'params': {
            'frameId': '32493.1',
            'loaderId': '32493.3',
            'requestId': '32493.1',
            'response': {
                'connectionId': 26,
                'connectionReused': False,
                'encodedDataLength': -1,
                'fromDiskCache': False,
                'fromServiceWorker': False,
                'headers': {
                    'Age': '67',
                    'Cache-Control': 'max-age=0,must-revalidate',
                },
                'headersText': 'HTTP/1.1 200 OK\r\n',
                'mimeType': 'text/html',
                'protocol': 'http/1.1',
                'requestHeaders': {
                    'Accept': 'text/html',
                    'Host': 'www.example.com',
                    'User-Agent': 'Mozilla/5.0'
                },
                'status': 200,
                'timing': {
                    'connectEnd': 37.9800004884601,
                    'connectStart': 26.8250005319715,
                    'dnsEnd': 26.8250005319715,
                    'dnsStart': 0,
                    'proxyEnd': -1,
                    'proxyStart': -1,
                    'receiveHeadersEnd': 54.9750002101064,
                    'requestTime': 5571441.798671,
                    'sendEnd': 38.3980004116893,
                    'sendStart': 38.1810003891587,
                    'sslEnd': -1,
                    'sslStart': -1,
                    'workerReady': -1,
                    'workerStart': -1
                },
                'url': 'http://www.example.com/'
            },
            'timestamp': 5571441.865639,
            'type': 'Document'
        }
    }
    _DATA_RECEIVED_1 = {
        "method": "Network.dataReceived",
        "params": {
            "dataLength": 1803,
            "encodedDataLength": 1326,
            "requestId": "32493.1",
            "timestamp": 5571441.867347
        }
    }
    _DATA_RECEIVED_2 = {
        "method": "Network.dataReceived",
        "params": {
            "dataLength": 32768,
            "encodedDataLength": 32768,
            "requestId": "32493.1",
            "timestamp": 5571441.893121
        }
    }
    _SERVED_FROM_CACHE = {
        "method": "Network.requestServedFromCache",
        "params": {
            "requestId": "32493.1"
        }
    }
    _LOADING_FINISHED = {
        'method': 'Network.loadingFinished',
        'params': {
            'encodedDataLength': 101829,
            'requestId': '32493.1',
            'timestamp': 5571441.891189
        }
    }
    _LOADING_FAILED = {
        'method': 'Network.loadingFailed',
        'params': {
            'canceled': False,
            'blockedReason': None,
            'encodedDataLength': 101829,
            'errorText': 'net::ERR_TOO_MANY_REDIRECTS',
            'requestId': '32493.1',
            'timestamp': 5571441.891189,
            'type': 'Document'
        }
    }

    def setUp(self):
        self.request_track = RequestTrack(None)

    def testParseRequestWillBeSent(self):
        msg = RequestTrackTestCase._REQUEST_WILL_BE_SENT
        request_id = msg['params']['requestId']
        self.request_track.Handle('Network.requestWillBeSent', msg)
        self.assertTrue(request_id in self.request_track._requests_in_flight)
        (_, status) = self.request_track._requests_in_flight[request_id]
        self.assertEquals(RequestTrack._STATUS_SENT, status)

    def testRejectsUnknownMethod(self):
        with self.assertRaises(AssertionError):
            self.request_track.Handle(
                'unknown', RequestTrackTestCase._REQUEST_WILL_BE_SENT)

    def testHandleRedirect(self):
        self.request_track.Handle('Network.requestWillBeSent',
                                  RequestTrackTestCase._REQUEST_WILL_BE_SENT)
        self.request_track.Handle('Network.requestWillBeSent',
                                  RequestTrackTestCase._REDIRECT)
        self.assertEquals(1, len(self.request_track._requests_in_flight))
        self.assertEquals(1, len(self.request_track.GetEvents()))
        redirect_request = self.request_track.GetEvents()[0]
        self.assertTrue(
            redirect_request.request_id.endswith(
                RequestTrack._REDIRECT_SUFFIX + '.1'))
        request = self.request_track._requests_in_flight.values()[0][0]
        self.assertEquals('redirect', request.initiator['type'])
        self.assertEquals(redirect_request.request_id,
                          request.initiator[Request.INITIATING_REQUEST])
        self.assertEquals(0, self.request_track.inconsistent_initiators_count)

    def testMultipleRedirects(self):
        self.request_track.Handle('Network.requestWillBeSent',
                                  RequestTrackTestCase._REQUEST_WILL_BE_SENT)
        self.request_track.Handle('Network.requestWillBeSent',
                                  RequestTrackTestCase._REDIRECT)
        self.request_track.Handle('Network.requestWillBeSent',
                                  RequestTrackTestCase._REDIRECT)
        self.assertEquals(1, len(self.request_track._requests_in_flight))
        self.assertEquals(2, len(self.request_track.GetEvents()))
        first_redirect_request = self.request_track.GetEvents()[0]
        self.assertTrue(
            first_redirect_request.request_id.endswith(
                RequestTrack._REDIRECT_SUFFIX + '.1'))
        second_redirect_request = self.request_track.GetEvents()[1]
        self.assertTrue(
            second_redirect_request.request_id.endswith(
                RequestTrack._REDIRECT_SUFFIX + '.2'))
        self.assertEquals('redirect',
                          second_redirect_request.initiator['type'])
        self.assertEquals(
            first_redirect_request.request_id,
            second_redirect_request.initiator[Request.INITIATING_REQUEST])
        request = self.request_track._requests_in_flight.values()[0][0]
        self.assertEquals('redirect', request.initiator['type'])
        self.assertEquals(second_redirect_request.request_id,
                          request.initiator[Request.INITIATING_REQUEST])
        self.assertEquals(0, self.request_track.inconsistent_initiators_count)

    def testInconsistentInitiators(self):
        self.request_track.Handle('Network.requestWillBeSent',
                                  RequestTrackTestCase._REQUEST_WILL_BE_SENT)
        request = copy.deepcopy(RequestTrackTestCase._REDIRECT)
        request['params']['initiator']['type'] = 'script'
        self.request_track.Handle('Network.requestWillBeSent', request)
        self.assertEquals(1, self.request_track.inconsistent_initiators_count)

    def testRejectDuplicates(self):
        msg = RequestTrackTestCase._REQUEST_WILL_BE_SENT
        self.request_track.Handle('Network.requestWillBeSent', msg)
        with self.assertRaises(AssertionError):
            self.request_track.Handle('Network.requestWillBeSent', msg)

    def testIgnoreCompletedDuplicates(self):
        self.request_track.Handle('Network.requestWillBeSent',
                                  RequestTrackTestCase._REQUEST_WILL_BE_SENT)
        self.request_track.Handle('Network.responseReceived',
                                  RequestTrackTestCase._RESPONSE_RECEIVED)
        self.request_track.Handle('Network.loadingFinished',
                                  RequestTrackTestCase._LOADING_FINISHED)
        # Should not raise an AssertionError.
        self.request_track.Handle('Network.requestWillBeSent',
                                  RequestTrackTestCase._REQUEST_WILL_BE_SENT)

    def testSequenceOfGeneratedResponse(self):
        self.request_track.Handle('Network.requestServedFromCache',
                                  RequestTrackTestCase._SERVED_FROM_CACHE)
        self.request_track.Handle('Network.loadingFinished',
                                  RequestTrackTestCase._LOADING_FINISHED)
        self.assertEquals(0, len(self.request_track.GetEvents()))

    def testInvalidSequence(self):
        msg1 = RequestTrackTestCase._REQUEST_WILL_BE_SENT
        msg2 = RequestTrackTestCase._LOADING_FINISHED
        self.request_track.Handle('Network.requestWillBeSent', msg1)
        with self.assertRaises(AssertionError):
            self.request_track.Handle('Network.loadingFinished', msg2)

    def testValidSequence(self):
        self._ValidSequence(self.request_track)
        self.assertEquals(1, len(self.request_track.GetEvents()))
        self.assertEquals(0, len(self.request_track._requests_in_flight))
        r = self.request_track.GetEvents()[0]
        self.assertEquals('32493.1', r.request_id)
        self.assertEquals('32493.1', r.frame_id)
        self.assertEquals('32493.3', r.loader_id)
        self.assertEquals('http://example.com/', r.document_url)
        self.assertEquals('http://example.com/', r.url)
        self.assertEquals('http/1.1', r.protocol)
        self.assertEquals('GET', r.method)
        response = RequestTrackTestCase._RESPONSE_RECEIVED['params'][
            'response']
        self.assertEquals(response['requestHeaders'], r.request_headers)
        self.assertEquals(response['headers'], r.response_headers)
        self.assertEquals('VeryHigh', r.initial_priority)
        request_will_be_sent = (
            RequestTrackTestCase._REQUEST_WILL_BE_SENT['params'])
        self.assertEquals(request_will_be_sent['timestamp'], r.timestamp)
        self.assertEquals(request_will_be_sent['wallTime'], r.wall_time)
        self.assertEquals(request_will_be_sent['initiator'], r.initiator)
        self.assertEquals(request_will_be_sent['type'], r.resource_type)
        self.assertEquals(False, r.served_from_cache)
        self.assertEquals(False, r.from_disk_cache)
        self.assertEquals(False, r.from_service_worker)
        timing = Timing.FromDevToolsDict(response['timing'])
        loading_finished = RequestTrackTestCase._LOADING_FINISHED['params']
        loading_finished_offset = r._TimestampOffsetFromStartMs(
            loading_finished['timestamp'])
        timing.loading_finished = loading_finished_offset
        self.assertEquals(timing, r.timing)
        self.assertEquals(200, r.status)
        self.assertEquals(loading_finished['encodedDataLength'],
                          r.encoded_data_length)
        self.assertEquals(False, r.failed)

    def testDataReceived(self):
        self._ValidSequence(self.request_track)
        self.assertEquals(1, len(self.request_track.GetEvents()))
        r = self.request_track.GetEvents()[0]
        self.assertEquals(2, len(r.data_chunks))
        self.assertEquals(
            RequestTrackTestCase._DATA_RECEIVED_1['params']
            ['encodedDataLength'], r.data_chunks[0][1])
        self.assertEquals(
            RequestTrackTestCase._DATA_RECEIVED_2['params']
            ['encodedDataLength'], r.data_chunks[1][1])

    def testDuplicatedResponseReceived(self):
        msg1 = RequestTrackTestCase._REQUEST_WILL_BE_SENT
        msg2 = copy.deepcopy(RequestTrackTestCase._RESPONSE_RECEIVED)
        msg2_other_timestamp = copy.deepcopy(msg2)
        msg2_other_timestamp['params']['timestamp'] += 12
        msg2_different = copy.deepcopy(msg2)
        msg2_different['params']['response']['encodedDataLength'] += 1
        self.request_track.Handle('Network.requestWillBeSent', msg1)
        self.request_track.Handle('Network.responseReceived', msg2)
        # Should not raise an AssertionError.
        self.request_track.Handle('Network.responseReceived', msg2)
        self.assertEquals(1, self.request_track.duplicates_count)
        with self.assertRaises(AssertionError):
            self.request_track.Handle('Network.responseReceived',
                                      msg2_different)

    def testLoadingFailed(self):
        self.request_track.Handle('Network.requestWillBeSent',
                                  RequestTrackTestCase._REQUEST_WILL_BE_SENT)
        self.request_track.Handle('Network.responseReceived',
                                  RequestTrackTestCase._RESPONSE_RECEIVED)
        self.request_track.Handle('Network.loadingFailed',
                                  RequestTrackTestCase._LOADING_FAILED)
        r = self.request_track.GetEvents()[0]
        self.assertTrue(r.failed)
        self.assertEquals('net::ERR_TOO_MANY_REDIRECTS', r.error_text)

    def testCanSerialize(self):
        self._ValidSequence(self.request_track)
        json_dict = self.request_track.ToJsonDict()
        _ = json.dumps(json_dict)  # Should not raise an exception.

    def testCanDeserialize(self):
        self._ValidSequence(self.request_track)
        self.request_track.duplicates_count = 142
        self.request_track.inconsistent_initiators_count = 123
        json_dict = self.request_track.ToJsonDict()
        request_track = RequestTrack.FromJsonDict(json_dict)
        self.assertEquals(self.request_track, request_track)

    def testMaxAge(self):
        rq = Request()
        self.assertEqual(-1, rq.MaxAge())
        rq.response_headers = {}
        self.assertEqual(-1, rq.MaxAge())
        rq.response_headers[
            'Cache-Control'] = 'private,s-maxage=0,max-age=0,must-revalidate'
        self.assertEqual(0, rq.MaxAge())
        rq.response_headers[
            'Cache-Control'] = 'private,s-maxage=0,no-store,max-age=100'
        self.assertEqual(-1, rq.MaxAge())
        rq.response_headers['Cache-Control'] = 'private,s-maxage=0'
        self.assertEqual(-1, rq.MaxAge())
        # Case-insensitive match.
        rq.response_headers['cache-control'] = 'max-age=600'
        self.assertEqual(600, rq.MaxAge())

    @classmethod
    def _ValidSequence(cls, request_track):
        request_track.Handle('Network.requestWillBeSent',
                             cls._REQUEST_WILL_BE_SENT)
        request_track.Handle('Network.responseReceived',
                             cls._RESPONSE_RECEIVED)
        request_track.Handle('Network.dataReceived', cls._DATA_RECEIVED_1)
        request_track.Handle('Network.dataReceived', cls._DATA_RECEIVED_2)
        request_track.Handle('Network.loadingFinished', cls._LOADING_FINISHED)
Ejemplo n.º 5
0
class RequestTrackTestCase(unittest.TestCase):
  _REQUEST_WILL_BE_SENT = {
      'method': 'Network.requestWillBeSent',
      'params': {
          'documentURL': 'http://example.com/',
          'frameId': '32493.1',
          'initiator': {
              'type': 'other'
              },
          'loaderId': '32493.3',
          'request': {
              'headers': {
                  'Accept': 'text/html',
                  'Upgrade-Insecure-Requests': '1',
                  'User-Agent': 'Mozilla/5.0'
                  },
              'initialPriority': 'VeryHigh',
              'method': 'GET',
              'mixedContentType': 'none',
              'url': 'http://example.com/'
              },
          'requestId': '32493.1',
          'timestamp': 5571441.535053,
          'type': 'Document',
          'wallTime': 1452691674.08878}}
  _REDIRECT = {
      'method': 'Network.requestWillBeSent',
      'params': {
          'documentURL': 'http://www.example.com/',
          'frameId': '32493.1',
          'initiator': {
              'type': 'other'
              },
          'loaderId': '32493.3',
          'redirectResponse': {
              'connectionId': 18,
              'connectionReused': False,
              'encodedDataLength': 198,
              'fromDiskCache': False,
              'fromServiceWorker': False,
              'headers': {},
              'headersText': 'HTTP/1.1 301 Moved Permanently\r\n',
              'mimeType': 'text/html',
              'protocol': 'http/1.1',
              'remoteIPAddress': '216.146.46.10',
              'remotePort': 80,
              'requestHeaders': {
                  'Accept': 'text/html',
                  'User-Agent': 'Mozilla/5.0'
                  },
              'securityState': 'neutral',
              'status': 301,
              'statusText': 'Moved Permanently',
              'timing': {
                  'connectEnd': 137.435999698937,
                  'connectStart': 51.1459996923804,
                  'dnsEnd': 51.1459996923804,
                  'dnsStart': 0,
                  'proxyEnd': -1,
                  'proxyStart': -1,
                  'receiveHeadersEnd': 228.187000378966,
                  'requestTime': 5571441.55002,
                  'sendEnd': 138.841999694705,
                  'sendStart': 138.031999580562,
                  'sslEnd': -1,
                  'sslStart': -1,
                  'workerReady': -1,
                  'workerStart': -1
                  },
              'url': 'http://example.com/'
              },
          'request': {
              'headers': {
                  'Accept': 'text/html',
                  'User-Agent': 'Mozilla/5.0'
                  },
              'initialPriority': 'VeryLow',
              'method': 'GET',
              'mixedContentType': 'none',
              'url': 'http://www.example.com/'
              },
          'requestId': '32493.1',
          'timestamp': 5571441.795948,
          'type': 'Document',
          'wallTime': 1452691674.34968}}
  _RESPONSE_RECEIVED = {
      'method': 'Network.responseReceived',
      'params': {
          'frameId': '32493.1',
          'loaderId': '32493.3',
          'requestId': '32493.1',
          'response': {
              'connectionId': 26,
              'connectionReused': False,
              'encodedDataLength': -1,
              'fromDiskCache': False,
              'fromServiceWorker': False,
              'headers': {
                  'Age': '67',
                  'Cache-Control': 'max-age=0,must-revalidate',
                  },
              'headersText': 'HTTP/1.1 200 OK\r\n',
              'mimeType': 'text/html',
              'protocol': 'http/1.1',
              'requestHeaders': {
                  'Accept': 'text/html',
                    'Host': 'www.example.com',
                    'User-Agent': 'Mozilla/5.0'
                },
                'status': 200,
                'timing': {
                    'connectEnd': 37.9800004884601,
                    'connectStart': 26.8250005319715,
                    'dnsEnd': 26.8250005319715,
                    'dnsStart': 0,
                    'proxyEnd': -1,
                    'proxyStart': -1,
                    'receiveHeadersEnd': 54.9750002101064,
                    'requestTime': 5571441.798671,
                    'sendEnd': 38.3980004116893,
                    'sendStart': 38.1810003891587,
                    'sslEnd': -1,
                    'sslStart': -1,
                    'workerReady': -1,
                    'workerStart': -1
                },
                'url': 'http://www.example.com/'
            },
            'timestamp': 5571441.865639,
            'type': 'Document'}}
  _DATA_RECEIVED_1 = {
      "method": "Network.dataReceived",
      "params": {
          "dataLength": 1803,
          "encodedDataLength": 1326,
          "requestId": "32493.1",
          "timestamp": 5571441.867347}}
  _DATA_RECEIVED_2 = {
      "method": "Network.dataReceived",
      "params": {
          "dataLength": 32768,
          "encodedDataLength": 32768,
          "requestId": "32493.1",
          "timestamp": 5571441.893121}}
  _LOADING_FINISHED = {'method': 'Network.loadingFinished',
                       'params': {
                           'encodedDataLength': 101829,
                           'requestId': '32493.1',
                           'timestamp': 5571441.891189}}

  def setUp(self):
    self.request_track = RequestTrack(None)

  def testParseRequestWillBeSent(self):
    msg = RequestTrackTestCase._REQUEST_WILL_BE_SENT
    request_id = msg['params']['requestId']
    self.request_track.Handle('Network.requestWillBeSent', msg)
    self.assertTrue(request_id in self.request_track._requests_in_flight)
    (_, status) = self.request_track._requests_in_flight[request_id]
    self.assertEquals(RequestTrack._STATUS_SENT, status)

  def testRejectsUnknownMethod(self):
    with self.assertRaises(AssertionError):
      self.request_track.Handle(
          'unknown', RequestTrackTestCase._REQUEST_WILL_BE_SENT)

  def testHandleRedirect(self):
    self.request_track.Handle('Network.requestWillBeSent',
                              RequestTrackTestCase._REQUEST_WILL_BE_SENT)
    self.request_track.Handle('Network.requestWillBeSent',
                              RequestTrackTestCase._REDIRECT)
    self.assertEquals(1, len(self.request_track._requests_in_flight))
    self.assertEquals(1, len(self.request_track.GetEvents()))

  def testRejectDuplicates(self):
    msg = RequestTrackTestCase._REQUEST_WILL_BE_SENT
    self.request_track.Handle('Network.requestWillBeSent', msg)
    with self.assertRaises(AssertionError):
      self.request_track.Handle('Network.requestWillBeSent', msg)

  def testInvalidSequence(self):
    msg1 = RequestTrackTestCase._REQUEST_WILL_BE_SENT
    msg2 = RequestTrackTestCase._LOADING_FINISHED
    self.request_track.Handle('Network.requestWillBeSent', msg1)
    with self.assertRaises(AssertionError):
      self.request_track.Handle('Network.loadingFinished', msg2)

  def testValidSequence(self):
    self._ValidSequence(self.request_track)
    self.assertEquals(1, len(self.request_track.GetEvents()))
    self.assertEquals(0, len(self.request_track._requests_in_flight))
    r = self.request_track.GetEvents()[0]
    self.assertEquals('32493.1', r.request_id)
    self.assertEquals('32493.1', r.frame_id)
    self.assertEquals('32493.3', r.loader_id)
    self.assertEquals('http://example.com/', r.document_url)
    self.assertEquals('http://example.com/', r.url)
    self.assertEquals('http/1.1', r.protocol)
    self.assertEquals('GET', r.method)
    response = RequestTrackTestCase._RESPONSE_RECEIVED['params']['response']
    self.assertEquals(response['requestHeaders'], r.request_headers)
    self.assertEquals(response['headers'], r.response_headers)
    self.assertEquals('VeryHigh', r.initial_priority)
    request_will_be_sent = (
        RequestTrackTestCase._REQUEST_WILL_BE_SENT['params'])
    self.assertEquals(request_will_be_sent['timestamp'], r.timestamp)
    self.assertEquals(request_will_be_sent['wallTime'], r.wall_time)
    self.assertEquals(request_will_be_sent['initiator'], r.initiator)
    self.assertEquals(request_will_be_sent['type'], r.resource_type)
    self.assertEquals(False, r.served_from_cache)
    self.assertEquals(False, r.from_disk_cache)
    self.assertEquals(False, r.from_service_worker)
    timing = _TimingFromDict(response['timing'])
    loading_finished = RequestTrackTestCase._LOADING_FINISHED['params']
    loading_finished_offset = r._TimestampOffsetFromStartMs(
        loading_finished['timestamp'])
    timing = timing._replace(loading_finished=loading_finished_offset)
    self.assertEquals(timing, r.timing)
    self.assertEquals(200, r.status)
    self.assertEquals(
        loading_finished['encodedDataLength'], r.encoded_data_length)
    self.assertEquals(False, r.failed)

  def testDataReceived(self):
    self._ValidSequence(self.request_track)
    self.assertEquals(1, len(self.request_track.GetEvents()))
    r = self.request_track.GetEvents()[0]
    self.assertEquals(2, len(r.data_chunks))
    self.assertEquals(
        RequestTrackTestCase._DATA_RECEIVED_1['params']['encodedDataLength'],
        r.data_chunks[0][1])
    self.assertEquals(
        RequestTrackTestCase._DATA_RECEIVED_2['params']['encodedDataLength'],
        r.data_chunks[1][1])

  @classmethod
  def _ValidSequence(cls, request_track):
    request_track.Handle(
        'Network.requestWillBeSent', cls._REQUEST_WILL_BE_SENT)
    request_track.Handle('Network.responseReceived', cls._RESPONSE_RECEIVED)
    request_track.Handle('Network.dataReceived', cls._DATA_RECEIVED_1)
    request_track.Handle('Network.dataReceived', cls._DATA_RECEIVED_2)
    request_track.Handle('Network.loadingFinished', cls._LOADING_FINISHED)