| // 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. |
| |
| #include "content/browser/media/audible_metrics.h" |
| |
| #include "base/metrics/histogram_samples.h" |
| #include "base/test/histogram_tester.h" |
| #include "base/test/simple_test_tick_clock.h" |
| #include "base/test/user_action_tester.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| static const WebContents* WEB_CONTENTS_0 = reinterpret_cast<WebContents*>(0x00); |
| static const WebContents* WEB_CONTENTS_1 = reinterpret_cast<WebContents*>(0x01); |
| static const WebContents* WEB_CONTENTS_2 = reinterpret_cast<WebContents*>(0x10); |
| static const WebContents* WEB_CONTENTS_3 = reinterpret_cast<WebContents*>(0x11); |
| |
| static const char* CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM = |
| "Media.Audible.ConcurrentTabsWhenStarting"; |
| static const char* MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM = |
| "Media.Audible.MaxConcurrentTabsInSession"; |
| static const char* CONCURRENT_TABS_TIME_HISTOGRAM = |
| "Media.Audible.ConcurrentTabsTime"; |
| |
| class AudibleMetricsTest : public testing::Test { |
| public: |
| AudibleMetricsTest() = default; |
| |
| void SetUp() override { |
| clock_ = new base::SimpleTestTickClock(); |
| // Set the clock to a value different than 0 so the time it gives is |
| // recognized as initialized. |
| clock_->Advance(base::TimeDelta::FromMilliseconds(1)); |
| audible_metrics_.SetClockForTest( |
| std::unique_ptr<base::SimpleTestTickClock>(clock_)); |
| } |
| |
| void TearDown() override { |
| clock_ = nullptr; |
| } |
| |
| base::SimpleTestTickClock* clock() { return clock_; } |
| |
| AudibleMetrics* audible_metrics() { |
| return &audible_metrics_; |
| }; |
| |
| const base::UserActionTester& user_action_tester() const { |
| return user_action_tester_; |
| } |
| |
| std::unique_ptr<base::HistogramSamples> GetHistogramSamplesSinceTestStart( |
| const std::string& name) { |
| return histogram_tester_.GetHistogramSamplesSinceCreation(name); |
| } |
| |
| private: |
| base::SimpleTestTickClock* clock_ = nullptr; |
| AudibleMetrics audible_metrics_; |
| base::HistogramTester histogram_tester_; |
| base::UserActionTester user_action_tester_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AudibleMetricsTest); |
| }; |
| |
| } // anonymous namespace |
| |
| TEST_F(AudibleMetricsTest, CreateAndKillDoesNothing) { |
| { std::unique_ptr<AudibleMetrics> audible_metrics(new AudibleMetrics()); } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| |
| } |
| |
| TEST_F(AudibleMetricsTest, AudibleStart) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| |
| } |
| |
| TEST_F(AudibleMetricsTest, AudibleStartAndStop) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, AddSameTabIsNoOp) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(0, samples->TotalCount()); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, RemoveUnknownTabIsNoOp) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)->TotalCount()); |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)->TotalCount()); |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TABS_TIME_HISTOGRAM)->TotalCount()); |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsInSessionIsIncremental) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(4, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| EXPECT_EQ(1, samples->GetCount(2)); |
| EXPECT_EQ(1, samples->GetCount(3)); |
| EXPECT_EQ(1, samples->GetCount(4)); |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsInSessionKeepTrackOfRemovedTabs) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(2, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| EXPECT_EQ(1, samples->GetCount(2)); |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsInSessionIsNotCountedTwice) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, false); |
| |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_3, true); |
| |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| MAX_CONCURRENT_TAB_IN_SESSION_HISTOGRAM)); |
| EXPECT_EQ(4, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| EXPECT_EQ(1, samples->GetCount(2)); |
| EXPECT_EQ(1, samples->GetCount(3)); |
| EXPECT_EQ(1, samples->GetCount(4)); |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsWhenStartingAddedPerTab) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(2, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| // Added again: ignored. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(2, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| // Removing both. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(2, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(0)); |
| EXPECT_EQ(1, samples->GetCount(1)); |
| } |
| |
| // Adding them after removed, it is counted. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TAB_WHEN_STARTING_HISTOGRAM)); |
| EXPECT_EQ(4, samples->TotalCount()); |
| EXPECT_EQ(2, samples->GetCount(0)); |
| EXPECT_EQ(2, samples->GetCount(1)); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsTimeRequiresTwoAudibleTabs) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| clock()->Advance(base::TimeDelta::FromMilliseconds(1000)); |
| |
| // No record because concurrent audible tabs still running. |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TABS_TIME_HISTOGRAM)->TotalCount()); |
| |
| // No longer concurrent. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1000)); |
| } |
| |
| // Stopping the second tab is a no-op. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1000)); |
| } |
| } |
| |
| TEST_F(AudibleMetricsTest, ConcurrentTabsTimeRunsAsLongAsTwoAudibleTabs) { |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, true); |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, true); |
| |
| clock()->Advance(base::TimeDelta::FromMilliseconds(1000)); |
| |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_2, true); |
| |
| clock()->Advance(base::TimeDelta::FromMilliseconds(500)); |
| |
| // Mutes one of the three audible tabs. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_1, false); |
| |
| // No record because concurrent audible tabs still running. |
| EXPECT_EQ(0, GetHistogramSamplesSinceTestStart( |
| CONCURRENT_TABS_TIME_HISTOGRAM)->TotalCount()); |
| |
| // Mutes the first audible tab. |
| audible_metrics()->UpdateAudibleWebContentsState(WEB_CONTENTS_0, false); |
| { |
| std::unique_ptr<base::HistogramSamples> samples( |
| GetHistogramSamplesSinceTestStart(CONCURRENT_TABS_TIME_HISTOGRAM)); |
| EXPECT_EQ(1, samples->TotalCount()); |
| EXPECT_EQ(1, samples->GetCount(1500)); |
| } |
| } |
| |
| } // namespace content |