def RecordUrlNavigation(
cls,
url,
connection,
chrome_metadata,
categories,
timeout_seconds=devtools_monitor.DEFAULT_TIMEOUT_SECONDS,
stop_delay_multiplier=0):
"""Create a loading trace by using controller to fetch url.
Args:
url: (str) url to fetch.
connection: An opened devtools connection.
chrome_metadata: Dictionary of chrome metadata.
categories: as in tracing_track.TracingTrack
timeout_seconds: monitoring connection timeout in seconds.
stop_delay_multiplier: How long to wait after page load completed before
tearing down, relative to the time it took to reach the page load to
complete.
Returns:
LoadingTrace instance.
"""
page = page_track.PageTrack(connection)
request = request_track.RequestTrack(connection)
trace = tracing_track.TracingTrack(connection, categories)
start_date_str = datetime.datetime.utcnow().isoformat()
seconds_since_epoch = time.time()
connection.MonitorUrl(url,
timeout_seconds=timeout_seconds,
stop_delay_multiplier=stop_delay_multiplier)
trace = cls(url, chrome_metadata, page, request, trace)
trace.metadata.update(date=start_date_str,
seconds_since_epoch=seconds_since_epoch)
return trace
def _EventsFromRawEvents(cls, raw_events):
track = tracing_track.TracingTrack(None,
clovis_constants.DEFAULT_CATEGORIES)
track.Handle('Tracing.dataCollected',
{'params': {
'value': raw_events
}})
return track.GetEvents()
def LoadingTraceFromEvents(requests, page_events=None, trace_events=None):
"""Returns a LoadingTrace instance from various events."""
request = FakeRequestTrack(requests)
page_event_track = FakePageTrack(page_events if page_events else [])
if trace_events is not None:
track = tracing_track.TracingTrack(None,
clovis_constants.DEFAULT_CATEGORIES)
track.Handle('Tracing.dataCollected',
{'params': {
'value': [e for e in trace_events]
}})
else:
track = None
return loading_trace.LoadingTrace(None, None, page_event_track, request,
track)
def setUp(self):
self.track = tracing_track.TracingTrack(
None, clovis_constants.DEFAULT_CATEGORIES)