Index: content/browser/media/audio_stream_monitor_unittest.cc |
diff --git a/content/browser/media/audio_stream_monitor_unittest.cc b/content/browser/media/audio_stream_monitor_unittest.cc |
deleted file mode 100644 |
index b8871af65636e896ebe4b84eba3787ca67961b6a..0000000000000000000000000000000000000000 |
--- a/content/browser/media/audio_stream_monitor_unittest.cc |
+++ /dev/null |
@@ -1,297 +0,0 @@ |
-// Copyright 2014 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/audio_stream_monitor.h" |
- |
-#include <map> |
-#include <utility> |
- |
-#include "base/bind.h" |
-#include "base/bind_helpers.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/test/simple_test_tick_clock.h" |
-#include "content/browser/web_contents/web_contents_impl.h" |
-#include "content/public/browser/invalidate_type.h" |
-#include "content/public/browser/web_contents_delegate.h" |
-#include "content/public/test/test_renderer_host.h" |
-#include "media/audio/audio_power_monitor.h" |
-#include "testing/gmock/include/gmock/gmock.h" |
-#include "testing/gtest/include/gtest/gtest.h" |
- |
-using ::testing::InvokeWithoutArgs; |
- |
-namespace content { |
- |
-namespace { |
- |
-const int kRenderProcessId = 1; |
-const int kAnotherRenderProcessId = 2; |
-const int kStreamId = 3; |
-const int kAnotherStreamId = 6; |
- |
-// Used to confirm audio indicator state changes occur at the correct times. |
-class MockWebContentsDelegate : public WebContentsDelegate { |
- public: |
- MOCK_METHOD2(NavigationStateChanged, |
- void(const WebContents* source, InvalidateTypes changed_flags)); |
-}; |
- |
-} // namespace |
- |
-class AudioStreamMonitorTest : public RenderViewHostTestHarness { |
- public: |
- AudioStreamMonitorTest() { |
- // Start |clock_| at non-zero. |
- clock_.Advance(base::TimeDelta::FromSeconds(1000000)); |
- } |
- |
- virtual void SetUp() OVERRIDE { |
- RenderViewHostTestHarness::SetUp(); |
- |
- WebContentsImpl* web_contents = reinterpret_cast<WebContentsImpl*>( |
- RenderViewHostTestHarness::web_contents()); |
- web_contents->SetDelegate(&mock_web_contents_delegate_); |
- monitor_ = web_contents->audio_stream_monitor(); |
- const_cast<base::TickClock*&>(monitor_->clock_) = &clock_; |
- } |
- |
- base::TimeTicks GetTestClockTime() { return clock_.NowTicks(); } |
- |
- void AdvanceClock(const base::TimeDelta& delta) { clock_.Advance(delta); } |
- |
- AudioStreamMonitor::ReadPowerAndClipCallback CreatePollCallback( |
- int stream_id) { |
- return base::Bind( |
- &AudioStreamMonitorTest::ReadPower, base::Unretained(this), stream_id); |
- } |
- |
- void SetStreamPower(int stream_id, float power) { |
- current_power_[stream_id] = power; |
- } |
- |
- void SimulatePollTimerFired() { monitor_->Poll(); } |
- |
- void SimulateOffTimerFired() { monitor_->MaybeToggle(); } |
- |
- void ExpectIsPolling(int render_process_id, int stream_id, bool is_polling) { |
- const AudioStreamMonitor::StreamID key(render_process_id, stream_id); |
- EXPECT_EQ( |
- is_polling, |
- monitor_->poll_callbacks_.find(key) != monitor_->poll_callbacks_.end()); |
- EXPECT_EQ(!monitor_->poll_callbacks_.empty(), |
- monitor_->poll_timer_.IsRunning()); |
- } |
- |
- void ExpectTabWasRecentlyAudible(bool was_audible, |
- const base::TimeTicks& last_blurt_time) { |
- EXPECT_EQ(was_audible, monitor_->was_recently_audible_); |
- EXPECT_EQ(last_blurt_time, monitor_->last_blurt_time_); |
- EXPECT_EQ(monitor_->was_recently_audible_, |
- monitor_->off_timer_.IsRunning()); |
- } |
- |
- void ExpectWebContentsWillBeNotifiedOnce(bool should_be_audible) { |
- EXPECT_CALL( |
- mock_web_contents_delegate_, |
- NavigationStateChanged(RenderViewHostTestHarness::web_contents(), |
- INVALIDATE_TYPE_TAB)) |
- .WillOnce(InvokeWithoutArgs( |
- this, |
- should_be_audible |
- ? &AudioStreamMonitorTest::ExpectIsNotifyingForToggleOn |
- : &AudioStreamMonitorTest::ExpectIsNotifyingForToggleOff)) |
- .RetiresOnSaturation(); |
- } |
- |
- static base::TimeDelta one_polling_interval() { |
- return base::TimeDelta::FromSeconds(1) / |
- AudioStreamMonitor::kPowerMeasurementsPerSecond; |
- } |
- |
- static base::TimeDelta holding_period() { |
- return base::TimeDelta::FromMilliseconds( |
- AudioStreamMonitor::kHoldOnMilliseconds); |
- } |
- |
- void StartMonitoring( |
- int render_process_id, |
- int stream_id, |
- const AudioStreamMonitor::ReadPowerAndClipCallback& callback) { |
- monitor_->StartMonitoringStreamOnUIThread( |
- render_process_id, stream_id, callback); |
- } |
- |
- void StopMonitoring(int render_process_id, int stream_id) { |
- monitor_->StopMonitoringStreamOnUIThread(render_process_id, stream_id); |
- } |
- |
- protected: |
- AudioStreamMonitor* monitor_; |
- |
- private: |
- std::pair<float, bool> ReadPower(int stream_id) { |
- return std::make_pair(current_power_[stream_id], false); |
- } |
- |
- void ExpectIsNotifyingForToggleOn() { |
- EXPECT_TRUE(monitor_->WasRecentlyAudible()); |
- } |
- |
- void ExpectIsNotifyingForToggleOff() { |
- EXPECT_FALSE(monitor_->WasRecentlyAudible()); |
- } |
- |
- MockWebContentsDelegate mock_web_contents_delegate_; |
- base::SimpleTestTickClock clock_; |
- std::map<int, float> current_power_; |
- |
- DISALLOW_COPY_AND_ASSIGN(AudioStreamMonitorTest); |
-}; |
- |
-// Tests that AudioStreamMonitor is polling while it has a |
-// ReadPowerAndClipCallback, and is not polling at other times. |
-TEST_F(AudioStreamMonitorTest, PollsWhenProvidedACallback) { |
- EXPECT_FALSE(monitor_->WasRecentlyAudible()); |
- ExpectIsPolling(kRenderProcessId, kStreamId, false); |
- |
- StartMonitoring(kRenderProcessId, kStreamId, CreatePollCallback(kStreamId)); |
- EXPECT_FALSE(monitor_->WasRecentlyAudible()); |
- ExpectIsPolling(kRenderProcessId, kStreamId, true); |
- |
- StopMonitoring(kRenderProcessId, kStreamId); |
- EXPECT_FALSE(monitor_->WasRecentlyAudible()); |
- ExpectIsPolling(kRenderProcessId, kStreamId, false); |
-} |
- |
-// Tests that AudioStreamMonitor debounces the power level readings it's taking, |
-// which could be fluctuating rapidly between the audible versus silence |
-// threshold. See comments in audio_stream_monitor.h for expected behavior. |
-TEST_F(AudioStreamMonitorTest, |
- ImpulsesKeepIndicatorOnUntilHoldingPeriodHasPassed) { |
- StartMonitoring(kRenderProcessId, kStreamId, CreatePollCallback(kStreamId)); |
- |
- // Expect WebContents will get one call form AudioStreamMonitor to toggle the |
- // indicator on upon the very first poll. |
- ExpectWebContentsWillBeNotifiedOnce(true); |
- |
- // Loop, each time testing a slightly longer period of polled silence. The |
- // indicator should remain on throughout. |
- int num_silence_polls = 0; |
- base::TimeTicks last_blurt_time; |
- do { |
- // Poll an audible signal, and expect tab indicator state is on. |
- SetStreamPower(kStreamId, media::AudioPowerMonitor::max_power()); |
- last_blurt_time = GetTestClockTime(); |
- SimulatePollTimerFired(); |
- ExpectTabWasRecentlyAudible(true, last_blurt_time); |
- AdvanceClock(one_polling_interval()); |
- |
- // Poll a silent signal repeatedly, ensuring that the indicator is being |
- // held on during the holding period. |
- SetStreamPower(kStreamId, media::AudioPowerMonitor::zero_power()); |
- for (int i = 0; i < num_silence_polls; ++i) { |
- SimulatePollTimerFired(); |
- ExpectTabWasRecentlyAudible(true, last_blurt_time); |
- // Note: Redundant off timer firings should not have any effect. |
- SimulateOffTimerFired(); |
- ExpectTabWasRecentlyAudible(true, last_blurt_time); |
- AdvanceClock(one_polling_interval()); |
- } |
- |
- ++num_silence_polls; |
- } while (GetTestClockTime() < last_blurt_time + holding_period()); |
- |
- // At this point, the clock has just advanced to beyond the holding period, so |
- // the next firing of the off timer should turn off the tab indicator. Also, |
- // make sure it stays off for several cycles thereafter. |
- ExpectWebContentsWillBeNotifiedOnce(false); |
- for (int i = 0; i < 10; ++i) { |
- SimulateOffTimerFired(); |
- ExpectTabWasRecentlyAudible(false, last_blurt_time); |
- AdvanceClock(one_polling_interval()); |
- } |
-} |
- |
-// Tests that the AudioStreamMonitor correctly processes the blurts from two |
-// different streams in the same tab. |
-TEST_F(AudioStreamMonitorTest, HandlesMultipleStreamsBlurting) { |
- StartMonitoring(kRenderProcessId, kStreamId, CreatePollCallback(kStreamId)); |
- StartMonitoring( |
- kRenderProcessId, kAnotherStreamId, CreatePollCallback(kAnotherStreamId)); |
- |
- base::TimeTicks last_blurt_time; |
- ExpectTabWasRecentlyAudible(false, last_blurt_time); |
- |
- // Measure audible sound from the first stream and silence from the second. |
- // The indicator turns on (i.e., tab was recently audible). |
- ExpectWebContentsWillBeNotifiedOnce(true); |
- SetStreamPower(kStreamId, media::AudioPowerMonitor::max_power()); |
- SetStreamPower(kAnotherStreamId, media::AudioPowerMonitor::zero_power()); |
- last_blurt_time = GetTestClockTime(); |
- SimulatePollTimerFired(); |
- ExpectTabWasRecentlyAudible(true, last_blurt_time); |
- |
- // Halfway through the holding period, the second stream joins in. The |
- // indicator stays on. |
- AdvanceClock(holding_period() / 2); |
- SimulateOffTimerFired(); |
- SetStreamPower(kAnotherStreamId, media::AudioPowerMonitor::max_power()); |
- last_blurt_time = GetTestClockTime(); |
- SimulatePollTimerFired(); // Restarts holding period. |
- ExpectTabWasRecentlyAudible(true, last_blurt_time); |
- |
- // Now, measure silence from both streams. After an entire holding period |
- // has passed (since the second stream joined in), the indicator should turn |
- // off. |
- ExpectWebContentsWillBeNotifiedOnce(false); |
- AdvanceClock(holding_period()); |
- SimulateOffTimerFired(); |
- SetStreamPower(kStreamId, media::AudioPowerMonitor::zero_power()); |
- SetStreamPower(kAnotherStreamId, media::AudioPowerMonitor::zero_power()); |
- SimulatePollTimerFired(); |
- ExpectTabWasRecentlyAudible(false, last_blurt_time); |
- |
- // Now, measure silence from the first stream and audible sound from the |
- // second. The indicator turns back on. |
- ExpectWebContentsWillBeNotifiedOnce(true); |
- SetStreamPower(kAnotherStreamId, media::AudioPowerMonitor::max_power()); |
- last_blurt_time = GetTestClockTime(); |
- SimulatePollTimerFired(); |
- ExpectTabWasRecentlyAudible(true, last_blurt_time); |
- |
- // From here onwards, both streams are silent. Halfway through the holding |
- // period, the indicator should not have changed. |
- SetStreamPower(kAnotherStreamId, media::AudioPowerMonitor::zero_power()); |
- AdvanceClock(holding_period() / 2); |
- SimulatePollTimerFired(); |
- SimulateOffTimerFired(); |
- ExpectTabWasRecentlyAudible(true, last_blurt_time); |
- |
- // Just past the holding period, the indicator should be turned off. |
- ExpectWebContentsWillBeNotifiedOnce(false); |
- AdvanceClock(holding_period() - (GetTestClockTime() - last_blurt_time)); |
- SimulateOffTimerFired(); |
- ExpectTabWasRecentlyAudible(false, last_blurt_time); |
- |
- // Polling should not turn the indicator back while both streams are remaining |
- // silent. |
- for (int i = 0; i < 100; ++i) { |
- AdvanceClock(one_polling_interval()); |
- SimulatePollTimerFired(); |
- ExpectTabWasRecentlyAudible(false, last_blurt_time); |
- } |
-} |
- |
-TEST_F(AudioStreamMonitorTest, MultipleRendererProcesses) { |
- StartMonitoring(kRenderProcessId, kStreamId, CreatePollCallback(kStreamId)); |
- StartMonitoring( |
- kAnotherRenderProcessId, kStreamId, CreatePollCallback(kStreamId)); |
- ExpectIsPolling(kRenderProcessId, kStreamId, true); |
- ExpectIsPolling(kAnotherRenderProcessId, kStreamId, true); |
- StopMonitoring(kAnotherRenderProcessId, kStreamId); |
- ExpectIsPolling(kRenderProcessId, kStreamId, true); |
- ExpectIsPolling(kAnotherRenderProcessId, kStreamId, false); |
-} |
- |
-} // namespace content |