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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
#include <memory>
#include "base/test/metrics/histogram_tester.h"
#include "build/build_config.h"
#include "chrome/test/base/scoped_testing_local_state.h"
#include "chrome/test/base/testing_browser_process.h"
#include "components/prefs/testing_pref_service.h"
#include "components/variations/variations_switches.h"
#include "components/webui/flags/pref_service_flags_storage.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/display/screen.h"
#include "ui/display/test/test_screen.h"
#include "ui/gfx/geometry/size.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chromeos/dbus/u2f/u2f_client.h"
#endif
namespace {
const char kSupportsHDRHistogramName[] = "Hardware.Display.SupportsHDR";
constexpr char kEnableBenchmarkingPrefId[] = "enable_benchmarking_countdown";
constexpr char kFlagMultiValue[] = "enable-benchmarking@1";
// This is a fake that causes HandleEnableBenchmarkingCountdownAsync() to do
// nothing. A full implementation of HandleEnableBenchmarkingCountdownAsync
// would require significant fakes which we do not want to implement in this
// test.
class ChromeBrowserMainExtraPartsMetricsFake
: public ChromeBrowserMainExtraPartsMetrics {
public:
// Expose a protected member.
static void HandleEnableBenchmarkingCountdownPublic(
PrefService* pref_service,
std::unique_ptr<flags_ui::FlagsStorage> storage,
flags_ui::FlagAccess access) {
HandleEnableBenchmarkingCountdown(pref_service, std::move(storage), access);
}
// Disable for tests.
void HandleEnableBenchmarkingCountdownAsync() override {}
};
} // namespace
class ChromeBrowserMainExtraPartsMetricsTest : public testing::Test {
public:
ChromeBrowserMainExtraPartsMetricsTest();
ChromeBrowserMainExtraPartsMetricsTest(
const ChromeBrowserMainExtraPartsMetricsTest&) = delete;
ChromeBrowserMainExtraPartsMetricsTest& operator=(
const ChromeBrowserMainExtraPartsMetricsTest&) = delete;
~ChromeBrowserMainExtraPartsMetricsTest() override;
protected:
void SetUp() override {
#if BUILDFLAG(IS_CHROMEOS)
// ChromeBrowserMainExtraPartsMetrics::RecordMetrics() requires a U2FClient,
// which would ordinarily have been set up by browser DBus initialization.
chromeos::U2FClient::InitializeFake();
#endif
}
void TearDown() override {
#if BUILDFLAG(IS_CHROMEOS)
task_environment_.RunUntilIdle();
chromeos::U2FClient::Shutdown();
#endif
}
private:
// Provides a message loop and allows the use of the task scheduler
content::BrowserTaskEnvironment task_environment_;
// Dummy screen required by a ChromeBrowserMainExtraPartsMetrics test target.
display::test::TestScreen test_screen_;
// Scoped local state required for unit tests.
ScopedTestingLocalState local_state_;
};
ChromeBrowserMainExtraPartsMetricsTest::ChromeBrowserMainExtraPartsMetricsTest()
: local_state_(TestingBrowserProcess::GetGlobal()) {
display::Screen::SetScreenInstance(&test_screen_);
}
ChromeBrowserMainExtraPartsMetricsTest::
~ChromeBrowserMainExtraPartsMetricsTest() {
display::Screen::SetScreenInstance(nullptr);
}
// Verify a Hardware.Display.SupportsHDR value is recorded during
// PostBrowserStart.
TEST_F(ChromeBrowserMainExtraPartsMetricsTest,
VerifySupportsHDRIsRecordedAfterPostBrowserStart) {
base::HistogramTester histogram_tester;
ChromeBrowserMainExtraPartsMetricsFake test_target;
test_target.PostBrowserStart();
histogram_tester.ExpectTotalCount(kSupportsHDRHistogramName, 1);
}
// Tests that if the countdown is called when there are no prefs, that the pref
// is created.
TEST_F(ChromeBrowserMainExtraPartsMetricsTest,
EnableBenchmarkingCountdownNoFlag) {
// Register prefs.
TestingPrefServiceSimple pref_service;
ChromeBrowserMainExtraPartsMetrics::RegisterPrefs(pref_service.registry());
flags_ui::PrefServiceFlagsStorage::RegisterPrefs(pref_service.registry());
flags_ui::PrefServiceFlagsStorage storage(&pref_service);
// If there's nothing in flags storage then the countdown should have no
// effect.
ChromeBrowserMainExtraPartsMetricsFake::
HandleEnableBenchmarkingCountdownPublic(
&pref_service,
std::make_unique<flags_ui::PrefServiceFlagsStorage>(&pref_service),
flags_ui::kOwnerAccessToFlags);
EXPECT_FALSE(pref_service.HasPrefPath(kEnableBenchmarkingPrefId));
}
TEST_F(ChromeBrowserMainExtraPartsMetricsTest,
EnableBenchmarkingCountdownFromNoStorage) {
// Register prefs.
TestingPrefServiceSimple pref_service;
ChromeBrowserMainExtraPartsMetrics::RegisterPrefs(pref_service.registry());
flags_ui::PrefServiceFlagsStorage::RegisterPrefs(pref_service.registry());
flags_ui::PrefServiceFlagsStorage storage(&pref_service);
// Once a flag is set we should see an effect.
storage.SetFlags({kFlagMultiValue});
ChromeBrowserMainExtraPartsMetricsFake::
HandleEnableBenchmarkingCountdownPublic(
&pref_service,
std::make_unique<flags_ui::PrefServiceFlagsStorage>(&pref_service),
flags_ui::kOwnerAccessToFlags);
EXPECT_EQ(2, pref_service.GetInteger(kEnableBenchmarkingPrefId));
EXPECT_EQ(1u, storage.GetFlags().size());
}
// Checks that the countdown takes the pref from 2 to 1.
TEST_F(ChromeBrowserMainExtraPartsMetricsTest,
EnableBenchmarkingCountdownFromStorage2) {
// Register prefs.
TestingPrefServiceSimple pref_service;
ChromeBrowserMainExtraPartsMetrics::RegisterPrefs(pref_service.registry());
flags_ui::PrefServiceFlagsStorage::RegisterPrefs(pref_service.registry());
flags_ui::PrefServiceFlagsStorage storage(&pref_service);
storage.SetFlags({kFlagMultiValue});
// Set initial state:
pref_service.SetInteger(kEnableBenchmarkingPrefId, 2);
ChromeBrowserMainExtraPartsMetricsFake::
HandleEnableBenchmarkingCountdownPublic(
&pref_service,
std::make_unique<flags_ui::PrefServiceFlagsStorage>(&pref_service),
flags_ui::kOwnerAccessToFlags);
EXPECT_EQ(1, pref_service.GetInteger(kEnableBenchmarkingPrefId));
EXPECT_EQ(1u, storage.GetFlags().size());
}
// Checks that the countdown takes the pref from 1 to 0 and clears the pref.
TEST_F(ChromeBrowserMainExtraPartsMetricsTest,
EnableBenchmarkingCountdownFromStorage1) {
// Register prefs.
TestingPrefServiceSimple pref_service;
ChromeBrowserMainExtraPartsMetrics::RegisterPrefs(pref_service.registry());
flags_ui::PrefServiceFlagsStorage::RegisterPrefs(pref_service.registry());
flags_ui::PrefServiceFlagsStorage storage(&pref_service);
storage.SetFlags({kFlagMultiValue});
// Set initial state:
pref_service.SetInteger(kEnableBenchmarkingPrefId, 1);
ChromeBrowserMainExtraPartsMetricsFake::
HandleEnableBenchmarkingCountdownPublic(
&pref_service,
std::make_unique<flags_ui::PrefServiceFlagsStorage>(&pref_service),
flags_ui::kOwnerAccessToFlags);
EXPECT_FALSE(pref_service.HasPrefPath(kEnableBenchmarkingPrefId));
EXPECT_EQ(0u, storage.GetFlags().size());
}
#if BUILDFLAG(IS_ANDROID)
TEST_F(ChromeBrowserMainExtraPartsMetricsTest,
IsBundleForMixedDeviceAccordingToVersionCode) {
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505130"));
EXPECT_TRUE(IsBundleForMixedDeviceAccordingToVersionCode("584505131"));
EXPECT_TRUE(IsBundleForMixedDeviceAccordingToVersionCode("584505132"));
EXPECT_TRUE(IsBundleForMixedDeviceAccordingToVersionCode("584505133"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505134"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505135"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505136"));
EXPECT_TRUE(IsBundleForMixedDeviceAccordingToVersionCode("584505137"));
EXPECT_TRUE(IsBundleForMixedDeviceAccordingToVersionCode("584505138"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505139"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505121"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505122"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505123"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505101"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("584505141"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode(""));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("0"));
EXPECT_FALSE(IsBundleForMixedDeviceAccordingToVersionCode("5845-051-3-1"));
}
#endif // BUILDFLAG(IS_ANDROID)
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