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| 1 // Copyright 2016 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 #include "content/browser/media/audible_metrics.h" |
| 6 |
| 7 #include "base/metrics/histogram_samples.h" |
| 8 #include "base/test/histogram_tester.h" |
| 9 #include "base/test/simple_test_tick_clock.h" |
| 10 #include "base/test/user_action_tester.h" |
| 11 #include "testing/gtest/include/gtest/gtest.h" |
| 12 |
| 13 namespace content { |
| 14 |
| 15 namespace { |
| 16 |
| 17 static const WebContents* WEB_CONTENTS_0 = reinterpret_cast<WebContents*>(0x00); |
| 18 static const WebContents* WEB_CONTENTS_1 = reinterpret_cast<WebContents*>(0x01); |
| 19 static const WebContents* WEB_CONTENTS_2 = reinterpret_cast<WebContents*>(0x10); |
| 20 static const WebContents* WEB_CONTENTS_3 = reinterpret_cast<WebContents*>(0x11); |
| 21 |
| 22 static const char* CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM = |
| 23 "Media.Audible.ConcurrentTabsWhenStarting"; |
| 24 static const char* CONCURRENT_TAB_IN_SESSION_HISTOGRAM = |
| 25 "Media.Audible.ConcurrentTabsInSession"; |
| 26 static const char* CONCURRENT_TABS_TIME_HISTOGRAM = |
| 27 "Media.Audible.ConcurrentTabsTime"; |
| 28 |
| 29 static const char* ADD_TAB_USER_ACTION = "Media.Audible.AddTab"; |
| 30 static const char* REMOVE_TAB_USER_ACTION = "Media.Audible.RemoveTab"; |
| 31 |
| 32 class AudibleMetricsTest : public testing::Test { |
| 33 public: |
| 34 AudibleMetricsTest() = default; |
| 35 |
| 36 void SetUp() override { |
| 37 clock_ = new base::SimpleTestTickClock(); |
| 38 // Set the clock to a value different than 0 so the time it gives is |
| 39 // recognized as initialized. |
| 40 clock_->Advance(base::TimeDelta::FromMilliseconds(1)); |
| 41 audible_metrics_.SetClockForTest( |
| 42 scoped_ptr<base::SimpleTestTickClock>(clock_)); |
| 43 } |
| 44 |
| 45 void TearDown() override { |
| 46 clock_ = nullptr; |
| 47 } |
| 48 |
| 49 base::SimpleTestTickClock* clock() { return clock_; } |
| 50 |
| 51 AudibleMetrics* audible_metrics() { |
| 52 return &audible_metrics_; |
| 53 }; |
| 54 |
| 55 const base::UserActionTester& user_action_tester() const { |
| 56 return user_action_tester_; |
| 57 } |
| 58 |
| 59 scoped_ptr<base::HistogramSamples> GetHistogramSamplesSinceTestStart( |
| 60 const std::string& name) { |
| 61 return histogram_tester_.GetHistogramSamplesSinceCreation(name); |
| 62 } |
| 63 |
| 64 private: |
| 65 base::SimpleTestTickClock* clock_ = nullptr; |
| 66 AudibleMetrics audible_metrics_; |
| 67 base::HistogramTester histogram_tester_; |
| 68 base::UserActionTester user_action_tester_; |
| 69 |
| 70 DISALLOW_COPY_AND_ASSIGN(AudibleMetricsTest); |
| 71 }; |
| 72 |
| 73 } // anonymous namespace |
| 74 |
| 75 TEST_F(AudibleMetricsTest, CreateAndKillDoesNothing) { |
| 76 { |
| 77 scoped_ptr<AudibleMetrics> audible_metrics(new AudibleMetrics()); |
| 78 } |
| 79 |
| 80 { |
| 81 scoped_ptr<base::HistogramSamples> samples( |
| 82 GetHistogramSamplesSinceTestStart( |
| 83 CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| 84 EXPECT_EQ(0, samples->TotalCount()); |
| 85 } |
| 86 |
| 87 { |
| 88 scoped_ptr<base::HistogramSamples> samples( |
| 89 GetHistogramSamplesSinceTestStart(CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| 90 EXPECT_EQ(0, samples->TotalCount()); |
| 91 } |
| 92 |
| 93 { |
| 94 scoped_ptr<base::HistogramSamples> samples( |
| 95 GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| 96 EXPECT_EQ(0, samples->TotalCount()); |
| 97 } |
| 98 |
| 99 EXPECT_EQ(0, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 100 EXPECT_EQ(0, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 101 } |
| 102 |
| 103 TEST_F(AudibleMetricsTest, AudibleStart) { |
| 104 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 105 |
| 106 { |
| 107 scoped_ptr<base::HistogramSamples> samples( |
| 108 GetHistogramSamplesSinceTestStart( |
| 109 CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| 110 EXPECT_EQ(1, samples->TotalCount()); |
| 111 EXPECT_EQ(1, samples->GetCount(0)); |
| 112 } |
| 113 |
| 114 { |
| 115 scoped_ptr<base::HistogramSamples> samples( |
| 116 GetHistogramSamplesSinceTestStart(CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| 117 EXPECT_EQ(1, samples->TotalCount()); |
| 118 EXPECT_EQ(1, samples->GetCount(1)); |
| 119 } |
| 120 |
| 121 { |
| 122 scoped_ptr<base::HistogramSamples> samples( |
| 123 GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| 124 EXPECT_EQ(0, samples->TotalCount()); |
| 125 } |
| 126 |
| 127 EXPECT_EQ(1, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 128 EXPECT_EQ(0, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 129 } |
| 130 |
| 131 TEST_F(AudibleMetricsTest, AudibleStartAndStop) { |
| 132 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 133 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| 134 |
| 135 { |
| 136 scoped_ptr<base::HistogramSamples> samples( |
| 137 GetHistogramSamplesSinceTestStart( |
| 138 CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| 139 EXPECT_EQ(1, samples->TotalCount()); |
| 140 EXPECT_EQ(1, samples->GetCount(0)); |
| 141 } |
| 142 |
| 143 { |
| 144 scoped_ptr<base::HistogramSamples> samples( |
| 145 GetHistogramSamplesSinceTestStart(CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| 146 EXPECT_EQ(1, samples->TotalCount()); |
| 147 EXPECT_EQ(1, samples->GetCount(1)); |
| 148 } |
| 149 |
| 150 { |
| 151 scoped_ptr<base::HistogramSamples> samples( |
| 152 GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| 153 EXPECT_EQ(0, samples->TotalCount()); |
| 154 } |
| 155 |
| 156 EXPECT_EQ(1, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 157 EXPECT_EQ(1, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 158 } |
| 159 |
| 160 TEST_F(AudibleMetricsTest, AddSameTabIsNoOp) { |
| 161 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 162 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 163 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 164 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 165 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 166 |
| 167 { |
| 168 scoped_ptr<base::HistogramSamples> samples( |
| 169 GetHistogramSamplesSinceTestStart( |
| 170 CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| 171 EXPECT_EQ(1, samples->TotalCount()); |
| 172 EXPECT_EQ(1, samples->GetCount(0)); |
| 173 } |
| 174 |
| 175 { |
| 176 scoped_ptr<base::HistogramSamples> samples( |
| 177 GetHistogramSamplesSinceTestStart(CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| 178 EXPECT_EQ(1, samples->TotalCount()); |
| 179 EXPECT_EQ(1, samples->GetCount(1)); |
| 180 } |
| 181 |
| 182 { |
| 183 scoped_ptr<base::HistogramSamples> samples( |
| 184 GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| 185 EXPECT_EQ(0, samples->TotalCount()); |
| 186 } |
| 187 |
| 188 EXPECT_EQ(1, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 189 EXPECT_EQ(0, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 190 } |
| 191 |
| 192 TEST_F(AudibleMetricsTest, RemoveUnknownTabIsNoOp) { |
| 193 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| 194 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| 195 |
| 196 EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| 197 CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)->TotalCount()); |
| 198 EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| 199 CONCURRENT_TAB_IN_SESSION_HISTOGRAM)->TotalCount()); |
| 200 EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| 201 CONCURRENT_TABS_TIME_HISTOGRAM)->TotalCount()); |
| 202 |
| 203 EXPECT_EQ(0, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 204 EXPECT_EQ(0, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 205 } |
| 206 |
| 207 TEST_F(AudibleMetricsTest, ConcurrentTabsInSessionIsIncremental) { |
| 208 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 209 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| 210 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| 211 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| 212 |
| 213 scoped_ptr<base::HistogramSamples> samples(GetHistogramSamplesSinceTestStart( |
| 214 CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| 215 EXPECT_EQ(4, samples->TotalCount()); |
| 216 EXPECT_EQ(1, samples->GetCount(1)); |
| 217 EXPECT_EQ(1, samples->GetCount(2)); |
| 218 EXPECT_EQ(1, samples->GetCount(3)); |
| 219 EXPECT_EQ(1, samples->GetCount(4)); |
| 220 |
| 221 EXPECT_EQ(4, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 222 EXPECT_EQ(0, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 223 } |
| 224 |
| 225 TEST_F(AudibleMetricsTest, ConcurrentTabsInSessionKeepTrackOfRemovedTabs) { |
| 226 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 227 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| 228 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| 229 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| 230 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| 231 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, false); |
| 232 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| 233 |
| 234 scoped_ptr<base::HistogramSamples> samples(GetHistogramSamplesSinceTestStart( |
| 235 CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| 236 EXPECT_EQ(2, samples->TotalCount()); |
| 237 EXPECT_EQ(1, samples->GetCount(1)); |
| 238 EXPECT_EQ(1, samples->GetCount(2)); |
| 239 |
| 240 EXPECT_EQ(4, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 241 EXPECT_EQ(3, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 242 } |
| 243 |
| 244 TEST_F(AudibleMetricsTest, ConcurrentTabsInSessionIsNotCountedTwice) { |
| 245 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 246 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| 247 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| 248 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| 249 |
| 250 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| 251 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| 252 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, false); |
| 253 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, false); |
| 254 |
| 255 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 256 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| 257 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| 258 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| 259 |
| 260 scoped_ptr<base::HistogramSamples> samples(GetHistogramSamplesSinceTestStart( |
| 261 CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| 262 EXPECT_EQ(4, samples->TotalCount()); |
| 263 EXPECT_EQ(1, samples->GetCount(1)); |
| 264 EXPECT_EQ(1, samples->GetCount(2)); |
| 265 EXPECT_EQ(1, samples->GetCount(3)); |
| 266 EXPECT_EQ(1, samples->GetCount(4)); |
| 267 |
| 268 EXPECT_EQ(8, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 269 EXPECT_EQ(4, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 270 } |
| 271 |
| 272 TEST_F(AudibleMetricsTest, ConcurrentTabsWhenStartingAddedPerTab) { |
| 273 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 274 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| 275 |
| 276 { |
| 277 scoped_ptr<base::HistogramSamples> samples( |
| 278 GetHistogramSamplesSinceTestStart( |
| 279 CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| 280 EXPECT_EQ(2, samples->TotalCount()); |
| 281 EXPECT_EQ(1, samples->GetCount(0)); |
| 282 EXPECT_EQ(1, samples->GetCount(1)); |
| 283 } |
| 284 |
| 285 EXPECT_EQ(2, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 286 EXPECT_EQ(0, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 287 |
| 288 // Added again: ignored. |
| 289 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 290 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| 291 |
| 292 { |
| 293 scoped_ptr<base::HistogramSamples> samples( |
| 294 GetHistogramSamplesSinceTestStart( |
| 295 CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| 296 EXPECT_EQ(2, samples->TotalCount()); |
| 297 EXPECT_EQ(1, samples->GetCount(0)); |
| 298 EXPECT_EQ(1, samples->GetCount(1)); |
| 299 } |
| 300 |
| 301 EXPECT_EQ(2, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 302 EXPECT_EQ(0, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 303 |
| 304 // Removing both. |
| 305 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| 306 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| 307 |
| 308 { |
| 309 scoped_ptr<base::HistogramSamples> samples( |
| 310 GetHistogramSamplesSinceTestStart( |
| 311 CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| 312 EXPECT_EQ(2, samples->TotalCount()); |
| 313 EXPECT_EQ(1, samples->GetCount(0)); |
| 314 EXPECT_EQ(1, samples->GetCount(1)); |
| 315 } |
| 316 |
| 317 EXPECT_EQ(2, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 318 EXPECT_EQ(2, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 319 |
| 320 // Adding them after removed, it is counted. |
| 321 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 322 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| 323 |
| 324 { |
| 325 scoped_ptr<base::HistogramSamples> samples( |
| 326 GetHistogramSamplesSinceTestStart( |
| 327 CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| 328 EXPECT_EQ(4, samples->TotalCount()); |
| 329 EXPECT_EQ(2, samples->GetCount(0)); |
| 330 EXPECT_EQ(2, samples->GetCount(1)); |
| 331 } |
| 332 |
| 333 EXPECT_EQ(4, user_action_tester().GetActionCount(ADD_TAB_USER_ACTION)); |
| 334 EXPECT_EQ(2, user_action_tester().GetActionCount(REMOVE_TAB_USER_ACTION)); |
| 335 } |
| 336 |
| 337 TEST_F(AudibleMetricsTest, ConcurrentTabsTimeRequiresTwoAudibleTabs) { |
| 338 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 339 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| 340 |
| 341 clock()->Advance(base::TimeDelta::FromMilliseconds(1000)); |
| 342 |
| 343 // No record because concurrent audible tabs still running. |
| 344 EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| 345 CONCURRENT_TABS_TIME_HISTOGRAM)->TotalCount()); |
| 346 |
| 347 // No longer concurrent. |
| 348 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| 349 { |
| 350 scoped_ptr<base::HistogramSamples> samples( |
| 351 GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| 352 EXPECT_EQ(1, samples->TotalCount()); |
| 353 EXPECT_EQ(1, samples->GetCount(1000)); |
| 354 } |
| 355 |
| 356 // Stopping the second tab is a no-op. |
| 357 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| 358 { |
| 359 scoped_ptr<base::HistogramSamples> samples( |
| 360 GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| 361 EXPECT_EQ(1, samples->TotalCount()); |
| 362 EXPECT_EQ(1, samples->GetCount(1000)); |
| 363 } |
| 364 } |
| 365 |
| 366 TEST_F(AudibleMetricsTest, ConcurrentTabsTimeRunsAsLongAsTwoAudibleTabs) { |
| 367 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| 368 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| 369 |
| 370 clock()->Advance(base::TimeDelta::FromMilliseconds(1000)); |
| 371 |
| 372 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| 373 |
| 374 clock()->Advance(base::TimeDelta::FromMilliseconds(500)); |
| 375 |
| 376 // Mutes one of the three audible tabs. |
| 377 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| 378 |
| 379 // No record because concurrent audible tabs still running. |
| 380 EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| 381 CONCURRENT_TABS_TIME_HISTOGRAM)->TotalCount()); |
| 382 |
| 383 // Mutes the first audible tab. |
| 384 audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| 385 { |
| 386 scoped_ptr<base::HistogramSamples> samples( |
| 387 GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| 388 EXPECT_EQ(1, samples->TotalCount()); |
| 389 EXPECT_EQ(1, samples->GetCount(1500)); |
| 390 } |
| 391 } |
| 392 |
| 393 } // namespace content |
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