OLD | NEW |
(Empty) | |
| 1 // Copyright 2014 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/power_usage_monitor_impl.h" |
| 6 |
| 7 #include "content/public/test/test_browser_thread_bundle.h" |
| 8 #include "testing/gtest/include/gtest/gtest.h" |
| 9 |
| 10 namespace content { |
| 11 |
| 12 class SystemInterfaceForTest : public PowerUsageMonitor::SystemInterface { |
| 13 public: |
| 14 SystemInterfaceForTest() |
| 15 : num_pending_histogram_reports_(0), now_(base::Time::Now()) {} |
| 16 virtual ~SystemInterfaceForTest() {} |
| 17 |
| 18 int num_pending_histogram_reports() { return num_pending_histogram_reports_; } |
| 19 |
| 20 void AdvanceClockSeconds(int seconds) { |
| 21 now_ += base::TimeDelta::FromSeconds(seconds); |
| 22 } |
| 23 |
| 24 void AdvanceClockHours(int hours) { |
| 25 now_ += base::TimeDelta::FromHours(hours); |
| 26 } |
| 27 |
| 28 void ScheduleHistogramReport(base::TimeDelta delay) override { |
| 29 num_pending_histogram_reports_++; |
| 30 } |
| 31 |
| 32 void CancelPendingHistogramReports() override { |
| 33 num_pending_histogram_reports_ = 0; |
| 34 } |
| 35 |
| 36 virtual base::Time Now() override { return now_; } |
| 37 |
| 38 protected: |
| 39 void ReportBatteryLevelHistogram( |
| 40 base::Time start_time, |
| 41 base::TimeDelta discharge_time) override {} |
| 42 |
| 43 private: |
| 44 int num_pending_histogram_reports_; |
| 45 base::Time now_; |
| 46 }; |
| 47 |
| 48 class PowerUsageMonitorTest : public testing::Test { |
| 49 protected: |
| 50 virtual void SetUp() { |
| 51 monitor_.reset(new PowerUsageMonitor); |
| 52 // PowerUsageMonitor assumes ownership. |
| 53 scoped_ptr<SystemInterfaceForTest> test_interface( |
| 54 new SystemInterfaceForTest()); |
| 55 system_interface_ = test_interface.get(); |
| 56 monitor_->SetSystemInterfaceForTest(test_interface.Pass()); |
| 57 |
| 58 // Without live renderers, the monitor won't do anything. |
| 59 monitor_->SetRenderersForTest(true); |
| 60 } |
| 61 |
| 62 void UpdateBatteryStatus(bool charging, double battery_level) { |
| 63 blink::WebBatteryStatus battery_status; |
| 64 battery_status.charging = charging; |
| 65 battery_status.level = battery_level; |
| 66 monitor_->OnBatteryStatusUpdate(battery_status); |
| 67 } |
| 68 |
| 69 scoped_ptr<PowerUsageMonitor> monitor_; |
| 70 SystemInterfaceForTest* system_interface_; |
| 71 TestBrowserThreadBundle thread_bundle_; |
| 72 }; |
| 73 |
| 74 TEST_F(PowerUsageMonitorTest, StartStop) { |
| 75 // Going on battery power. |
| 76 UpdateBatteryStatus(false, 1.0); |
| 77 int initial_num_histogram_reports = |
| 78 system_interface_->num_pending_histogram_reports(); |
| 79 ASSERT_GT(initial_num_histogram_reports, 0); |
| 80 |
| 81 // Battery level goes down a bit. |
| 82 system_interface_->AdvanceClockSeconds(1); |
| 83 UpdateBatteryStatus(false, 0.9); |
| 84 ASSERT_EQ(initial_num_histogram_reports, |
| 85 system_interface_->num_pending_histogram_reports()); |
| 86 |
| 87 // Wall power connected. |
| 88 system_interface_->AdvanceClockSeconds(30); |
| 89 UpdateBatteryStatus(true, 0.5); |
| 90 ASSERT_EQ(system_interface_->num_pending_histogram_reports(), 0); |
| 91 } |
| 92 |
| 93 TEST_F(PowerUsageMonitorTest, NoRenderersDisablesMonitoring) { |
| 94 monitor_->SetRenderersForTest(false); |
| 95 |
| 96 // Going on battery power. |
| 97 UpdateBatteryStatus(false, 1.0); |
| 98 ASSERT_EQ(system_interface_->num_pending_histogram_reports(), 0); |
| 99 |
| 100 // Wall power connected. |
| 101 system_interface_->AdvanceClockSeconds(30); |
| 102 UpdateBatteryStatus(true, 0.5); |
| 103 ASSERT_EQ(system_interface_->num_pending_histogram_reports(), 0); |
| 104 } |
| 105 |
| 106 TEST_F(PowerUsageMonitorTest, ReportOnceEvery24Hours) { |
| 107 // Going on battery power. |
| 108 UpdateBatteryStatus(false, 1.0); |
| 109 ASSERT_GT(system_interface_->num_pending_histogram_reports(), 0); |
| 110 |
| 111 // Tell the monitor that a histogram was recorded. |
| 112 monitor_->BatteryLevelReported(); |
| 113 |
| 114 // Connect back to wall power. |
| 115 system_interface_->AdvanceClockHours(1); |
| 116 UpdateBatteryStatus(true, 0.9); |
| 117 |
| 118 // Disconnect from Wall power. |
| 119 UpdateBatteryStatus(false, 1.0); |
| 120 ASSERT_EQ(system_interface_->num_pending_histogram_reports(), 0); |
| 121 |
| 122 // Back on wall power. |
| 123 UpdateBatteryStatus(true, 0.9); |
| 124 |
| 125 // 24 hours later. |
| 126 system_interface_->AdvanceClockHours(24); |
| 127 |
| 128 // Disconnect from Wall power. |
| 129 UpdateBatteryStatus(false, 1.0); |
| 130 ASSERT_GT(system_interface_->num_pending_histogram_reports(), 0); |
| 131 } |
| 132 |
| 133 } // namespace content |
OLD | NEW |