| # Copyright 2016 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import unittest |
| |
| import request_track |
| import test_utils |
| import user_satisfied_lens |
| |
| |
| class TraceCreator(object): |
| def __init__(self): |
| self._request_index = 1 |
| |
| def RequestAt(self, timestamp_msec, duration=1): |
| timestamp_sec = float(timestamp_msec) / 1000 |
| rq = request_track.Request.FromJsonDict({ |
| 'url': 'http://bla-%s-.com' % timestamp_msec, |
| 'request_id': '0.%s' % self._request_index, |
| 'frame_id': '123.%s' % timestamp_msec, |
| 'initiator': {'type': 'other'}, |
| 'timestamp': timestamp_sec, |
| 'timing': {'request_time': timestamp_sec, |
| 'loading_finished': duration} |
| }) |
| self._request_index += 1 |
| return rq |
| |
| def CreateTrace(self, requests, events, main_frame_id): |
| loading_trace = test_utils.LoadingTraceFromEvents( |
| requests, trace_events=events) |
| loading_trace.tracing_track.SetMainFrameID(main_frame_id) |
| loading_trace.url = 'http://www.dummy.com' |
| return loading_trace |
| |
| |
| class UserSatisfiedLensTestCase(unittest.TestCase): |
| # We track all times in milliseconds, but raw trace events are in |
| # microseconds. |
| MILLI_TO_MICRO = 1000 |
| |
| def setUp(self): |
| super(UserSatisfiedLensTestCase, self).setUp() |
| |
| def testPLTLens(self): |
| MAINFRAME = 1 |
| trace_creator = test_utils.TraceCreator() |
| requests = [trace_creator.RequestAt(1), trace_creator.RequestAt(10), |
| trace_creator.RequestAt(20)] |
| loading_trace = trace_creator.CreateTrace( |
| requests, |
| [{'ts': 5 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'devtools.timeline', 'pid': 1, 'tid': 1, |
| 'name': 'MarkLoad', |
| 'args': {'data': {'isMainFrame': True}}}, |
| {'ts': 10 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'devtools.timeline', 'pid': 1, 'tid': 1, |
| 'name': 'MarkLoad', |
| 'args': {'data': {'isMainFrame': True}}}, |
| {'ts': 20 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'devtools.timeline', 'pid': 1, 'tid': 1, |
| 'name': 'MarkLoad', |
| 'args': {'data': {'isMainFrame': False}}}], MAINFRAME) |
| lens = user_satisfied_lens.PLTLens(loading_trace) |
| self.assertEqual(set(['0.1']), lens.CriticalRequestIds()) |
| self.assertEqual(10, lens.SatisfiedMs()) |
| |
| def testFirstContentfulPaintLens(self): |
| MAINFRAME = 1 |
| SUBFRAME = 2 |
| trace_creator = test_utils.TraceCreator() |
| requests = [trace_creator.RequestAt(1), trace_creator.RequestAt(10), |
| trace_creator.RequestAt(20)] |
| loading_trace = trace_creator.CreateTrace( |
| requests, |
| [{'ts': 0, 'ph': 'I', |
| 'cat': 'blink.some_other_user_timing', |
| 'name': 'firstContentfulPaint'}, |
| {'ts': 30 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'firstDiscontentPaint'}, |
| {'ts': 5 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'firstContentfulPaint', |
| 'args': {'frame': SUBFRAME} }, |
| {'ts': 12 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'firstContentfulPaint', |
| 'args': {'frame': MAINFRAME}}], MAINFRAME) |
| lens = user_satisfied_lens.FirstContentfulPaintLens(loading_trace) |
| self.assertEqual(set(['0.1', '0.2']), lens.CriticalRequestIds()) |
| self.assertEqual(1, lens.PostloadTimeMsec()) |
| |
| def testCantGetNoSatisfaction(self): |
| MAINFRAME = 1 |
| trace_creator = test_utils.TraceCreator() |
| requests = [trace_creator.RequestAt(1), trace_creator.RequestAt(10), |
| trace_creator.RequestAt(20)] |
| loading_trace = trace_creator.CreateTrace( |
| requests, |
| [{'ts': 0, 'ph': 'I', |
| 'cat': 'not_my_cat', |
| 'name': 'someEvent', |
| 'args': {'frame': MAINFRAME}}], MAINFRAME) |
| loading_trace.tracing_track.SetMainFrameID(MAINFRAME) |
| lens = user_satisfied_lens.FirstContentfulPaintLens(loading_trace) |
| self.assertEqual(set(['0.1', '0.2', '0.3']), lens.CriticalRequestIds()) |
| self.assertEqual(float('inf'), lens.PostloadTimeMsec()) |
| |
| def testFirstTextPaintLens(self): |
| MAINFRAME = 1 |
| SUBFRAME = 2 |
| trace_creator = test_utils.TraceCreator() |
| requests = [trace_creator.RequestAt(1), trace_creator.RequestAt(10), |
| trace_creator.RequestAt(20)] |
| loading_trace = trace_creator.CreateTrace( |
| requests, |
| [{'ts': 0, 'ph': 'I', |
| 'cat': 'blink.some_other_user_timing', |
| 'name': 'firstPaint'}, |
| {'ts': 30 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'firstishPaint', |
| 'args': {'frame': MAINFRAME}}, |
| {'ts': 3 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'firstPaint', |
| 'args': {'frame': SUBFRAME}}, |
| {'ts': 12 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'firstPaint', |
| 'args': {'frame': MAINFRAME}}], MAINFRAME) |
| loading_trace.tracing_track.SetMainFrameID(MAINFRAME) |
| lens = user_satisfied_lens.FirstTextPaintLens(loading_trace) |
| self.assertEqual(set(['0.1', '0.2']), lens.CriticalRequestIds()) |
| self.assertEqual(1, lens.PostloadTimeMsec()) |
| |
| def testFirstSignificantPaintLens(self): |
| MAINFRAME = 1 |
| trace_creator = test_utils.TraceCreator() |
| requests = [trace_creator.RequestAt(1), trace_creator.RequestAt(10), |
| trace_creator.RequestAt(15), trace_creator.RequestAt(20)] |
| loading_trace = trace_creator.CreateTrace( |
| requests, |
| [{'ts': 0, 'ph': 'I', |
| 'cat': 'blink', |
| 'name': 'firstPaint'}, |
| {'ts': 9 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'FrameView::paintTree'}, |
| {'ts': 18 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink', |
| 'name': 'FrameView::paintTree'}, |
| {'ts': 22 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink', |
| 'name': 'FrameView::paintTree'}, |
| {'ts': 5 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'foobar', 'name': 'biz', |
| 'args': {'counters': { |
| 'LayoutObjectsThatHadNeverHadLayout': 10 |
| } } }, |
| {'ts': 12 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'foobar', 'name': 'biz', |
| 'args': {'counters': { |
| 'LayoutObjectsThatHadNeverHadLayout': 12 |
| } } }, |
| {'ts': 15 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'foobar', 'name': 'biz', |
| 'args': {'counters': { |
| 'LayoutObjectsThatHadNeverHadLayout': 10 |
| } } } ], MAINFRAME) |
| lens = user_satisfied_lens.FirstSignificantPaintLens(loading_trace) |
| self.assertEqual(set(['0.1', '0.2']), lens.CriticalRequestIds()) |
| self.assertEqual(7, lens.PostloadTimeMsec()) |
| |
| def testRequestFingerprintLens(self): |
| MAINFRAME = 1 |
| SUBFRAME = 2 |
| trace_creator = test_utils.TraceCreator() |
| requests = [trace_creator.RequestAt(1), trace_creator.RequestAt(10), |
| trace_creator.RequestAt(20)] |
| loading_trace = trace_creator.CreateTrace( |
| requests, |
| [{'ts': 0, 'ph': 'I', |
| 'cat': 'blink.some_other_user_timing', |
| 'name': 'firstContentfulPaint'}, |
| {'ts': 30 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'firstDiscontentPaint'}, |
| {'ts': 5 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'firstContentfulPaint', |
| 'args': {'frame': SUBFRAME} }, |
| {'ts': 12 * self.MILLI_TO_MICRO, 'ph': 'I', |
| 'cat': 'blink.user_timing', |
| 'name': 'firstContentfulPaint', |
| 'args': {'frame': MAINFRAME}}], MAINFRAME) |
| lens = user_satisfied_lens.FirstContentfulPaintLens(loading_trace) |
| self.assertEqual(set(['0.1', '0.2']), lens.CriticalRequestIds()) |
| self.assertEqual(1, lens.PostloadTimeMsec()) |
| request_lens = user_satisfied_lens.RequestFingerprintLens( |
| loading_trace, lens.CriticalFingerprints()) |
| self.assertEqual(set(['0.1', '0.2']), request_lens.CriticalRequestIds()) |
| self.assertEqual(0, request_lens.PostloadTimeMsec()) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
