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| 1 # Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 import unittest | |
| 6 | |
| 7 from telemetry.testing import simple_mock | |
| 8 | |
| 9 from metrics import webrtc_stats | |
| 10 | |
| 11 | |
| 12 SAMPLE_JSON = ''' | |
| 13 [[ | |
| 14 [ | |
| 15 { | |
| 16 "googFrameHeightInput":"480", | |
| 17 "googFrameWidthInput":"640", | |
| 18 "googFrameRateSent": "23", | |
| 19 "packetsLost":"-1", | |
| 20 "googRtt":"19", | |
| 21 "packetsSent":"1", | |
| 22 "bytesSent":"0" | |
| 23 }, | |
| 24 { | |
| 25 "audioInputLevel":"2048", | |
| 26 "googRtt":"20", | |
| 27 "googCodecName":"opus", | |
| 28 "packetsSent":"4", | |
| 29 "bytesSent":"0" | |
| 30 } | |
| 31 ], | |
| 32 [ | |
| 33 { | |
| 34 "googFrameHeightInput":"480", | |
| 35 "googFrameWidthInput":"640", | |
| 36 "googFrameRateSent": "21", | |
| 37 "packetsLost":"-1", | |
| 38 "googRtt":"18", | |
| 39 "packetsSent":"8", | |
| 40 "bytesSent":"6291" | |
| 41 }, | |
| 42 { | |
| 43 "audioInputLevel":"1878", | |
| 44 "googRtt":"17", | |
| 45 "googCodecName":"opus", | |
| 46 "packetsSent":"16", | |
| 47 "bytesSent":"634" | |
| 48 } | |
| 49 ], | |
| 50 [ | |
| 51 { | |
| 52 "googAvailableSendBandwidth":"30000", | |
| 53 "googAvailableRecvBandwidth":"12345", | |
| 54 "googTargetEncBitrate":"10000" | |
| 55 } | |
| 56 ] | |
| 57 ], | |
| 58 [ | |
| 59 [ | |
| 60 { | |
| 61 "googFrameRateReceived": "23", | |
| 62 "googDecodeMs":"0", | |
| 63 "packetsReceived":"8", | |
| 64 "googRenderDelayMs":"10", | |
| 65 "googMaxDecodeMs":"0", | |
| 66 "googRtt":"100" | |
| 67 } | |
| 68 ], | |
| 69 [ | |
| 70 { | |
| 71 "googFrameRateReceived": "23", | |
| 72 "googDecodeMs":"14", | |
| 73 "packetsReceived":"1234", | |
| 74 "googRenderDelayMs":"102", | |
| 75 "googMaxDecodeMs":"150", | |
| 76 "googRtt":"101" | |
| 77 } | |
| 78 ], | |
| 79 [ | |
| 80 { | |
| 81 "googAvailableSendBandwidth":"40000", | |
| 82 "googAvailableRecvBandwidth":"22345", | |
| 83 "googTargetEncBitrate":"20000" | |
| 84 } | |
| 85 ] | |
| 86 ]] | |
| 87 ''' | |
| 88 | |
| 89 | |
| 90 class FakeResults(object): | |
| 91 | |
| 92 def __init__(self, current_page): | |
| 93 self._received_values = [] | |
| 94 self._current_page = current_page | |
| 95 | |
| 96 @property | |
| 97 def received_values(self): | |
| 98 return self._received_values | |
| 99 | |
| 100 @property | |
| 101 def current_page(self): | |
| 102 return self._current_page | |
| 103 | |
| 104 def AddValue(self, value): | |
| 105 self._received_values.append(value) | |
| 106 | |
| 107 | |
| 108 class WebRtcStatsUnittest(unittest.TestCase): | |
| 109 | |
| 110 def _RunMetricOnJson(self, json_to_return, stats_metric): | |
| 111 tab = simple_mock.MockObject() | |
| 112 page = simple_mock.MockObject() | |
| 113 | |
| 114 stats_metric.Start(page, tab) | |
| 115 | |
| 116 tab.ExpectCall('EvaluateJavaScript', | |
| 117 simple_mock.DONT_CARE).WillReturn(json_to_return) | |
| 118 stats_metric.Stop(page, tab) | |
| 119 | |
| 120 page.url = simple_mock.MockObject() | |
| 121 results = FakeResults(page) | |
| 122 stats_metric.AddResults(tab, results) | |
| 123 return results | |
| 124 | |
| 125 def testExtractsValuesAsTimeSeries(self): | |
| 126 stats_metric = webrtc_stats.WebRtcStatisticsMetric() | |
| 127 results = self._RunMetricOnJson(SAMPLE_JSON, stats_metric) | |
| 128 | |
| 129 self.assertTrue(results.received_values, | |
| 130 'Expected values for googDecodeMs and others, got none.') | |
| 131 self.assertEqual(results.received_values[1].name, | |
| 132 'peer_connection_0_audio_goog_rtt') | |
| 133 self.assertEqual(results.received_values[1].values, | |
| 134 [20.0, 17.0]) | |
| 135 self.assertEqual(results.received_values[7].name, | |
| 136 'peer_connection_1_video_goog_rtt') | |
| 137 self.assertEqual(results.received_values[7].values, | |
| 138 [100.0, 101.0]) | |
| 139 | |
| 140 def testExtractsInterestingMetricsOnly(self): | |
| 141 stats_metric = webrtc_stats.WebRtcStatisticsMetric() | |
| 142 results = self._RunMetricOnJson(SAMPLE_JSON, stats_metric) | |
| 143 | |
| 144 self.assertTrue(len(results.received_values) > 0) | |
| 145 self.assertIn('peer_connection_0', results.received_values[0].name, | |
| 146 'The result should be a ListOfScalarValues instance with ' | |
| 147 'a name <peer connection id>_<statistic>.') | |
| 148 all_names = [value.name for value in results.received_values] | |
| 149 self.assertIn('peer_connection_0_audio_goog_rtt', all_names) | |
| 150 self.assertNotIn('peer_connection_1_audio_goog_rtt', all_names, | |
| 151 'Peer connection 1 does not have a goog-rtt in ' | |
| 152 'the JSON above, unlike peer connection 0 which does.') | |
| 153 self.assertIn('peer_connection_0_video_goog_rtt', all_names) | |
| 154 self.assertIn('peer_connection_1_video_goog_rtt', all_names) | |
| 155 # The audio_audio is intentional since the code distinguishes audio reports | |
| 156 # from video reports (even though audio_input_level is quite obvious). | |
| 157 self.assertNotIn('peer_connection_0_audio_audio_input_level', all_names, | |
| 158 'Input level is in the JSON for both connections but ' | |
| 159 'should not be reported since it is not interesting.') | |
| 160 self.assertNotIn('peer_connection_1_audio_audio_input_level', all_names) | |
| 161 | |
| 162 def testExtractsParticularMetricsOnlyIfSpecified(self): | |
| 163 only_goog_rtt_and_max_decode = ['googRtt', 'googMaxDecodeMs'] | |
| 164 stats_metric = webrtc_stats.WebRtcStatisticsMetric( | |
| 165 particular_metrics=only_goog_rtt_and_max_decode) | |
| 166 results = self._RunMetricOnJson(SAMPLE_JSON, stats_metric) | |
| 167 | |
| 168 received_names = [value.name for value in results.received_values] | |
| 169 expected_names = ['peer_connection_0_audio_goog_rtt', | |
| 170 'peer_connection_0_video_goog_rtt', | |
| 171 'peer_connection_1_video_goog_max_decode_ms', | |
| 172 'peer_connection_1_video_goog_rtt'] | |
| 173 self.assertEqual(expected_names, received_names) | |
| 174 | |
| 175 def testReturnsIfJsonIsEmpty(self): | |
| 176 stats_metric = webrtc_stats.WebRtcStatisticsMetric() | |
| 177 results = self._RunMetricOnJson('[]', stats_metric) | |
| 178 self.assertFalse(results.received_values) | |
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Chromium Code Reviews
Issue 2950373002:
[Perf] Delete unused WebRTC stats metric (Closed)
