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// Copyright 2019 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_metrics_services_manager_client.h"
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/test/scoped_feature_list.h"
#include "build/build_config.h"
#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
#include "chrome/browser/metrics/chrome_metrics_service_client.h"
#include "chrome/test/base/scoped_testing_local_state.h"
#include "chrome/test/base/testing_browser_process.h"
#include "components/metrics/enabled_state_provider.h"
#include "components/metrics/metrics_pref_names.h"
#include "components/metrics/metrics_state_manager.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/testing_pref_service.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::NotNull;
class ChromeMetricsServicesManagerClientTest : public testing::Test {
public:
ChromeMetricsServicesManagerClientTest() = default;
ChromeMetricsServicesManagerClientTest(
const ChromeMetricsServicesManagerClientTest&) = delete;
ChromeMetricsServicesManagerClientTest& operator=(
const ChromeMetricsServicesManagerClientTest&) = delete;
~ChromeMetricsServicesManagerClientTest() override = default;
PrefService* local_state() { return scoped_testing_local_state_.Get(); }
private:
ScopedTestingLocalState scoped_testing_local_state_{
TestingBrowserProcess::GetGlobal()};
};
using IsClientInSampleTest = ChromeMetricsServicesManagerClientTest;
TEST_F(ChromeMetricsServicesManagerClientTest, ForceTrialsDisablesReporting) {
// First, test with UMA reporting setting defaulting to off.
local_state()->SetBoolean(metrics::prefs::kMetricsReportingEnabled, false);
// Force the pref to be used, even in unofficial builds.
ChromeMetricsServiceAccessor::SetForceIsMetricsReportingEnabledPrefLookup(
true);
ChromeMetricsServicesManagerClient client(local_state());
const metrics::EnabledStateProvider& provider =
client.GetEnabledStateProvider();
// Both consent and reporting should be false.
EXPECT_FALSE(provider.IsConsentGiven());
EXPECT_FALSE(provider.IsReportingEnabled());
// Set the pref to true.
local_state()->SetBoolean(metrics::prefs::kMetricsReportingEnabled, true);
// Both consent and reporting should be true.
EXPECT_TRUE(provider.IsConsentGiven());
EXPECT_TRUE(provider.IsReportingEnabled());
// Set --force-fieldtrials= command-line flag, which should disable reporting
// but not consent.
base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
switches::kForceFieldTrials, "Foo/Bar");
// Consent should be true but reporting should be false.
EXPECT_TRUE(provider.IsConsentGiven());
EXPECT_FALSE(provider.IsReportingEnabled());
}
TEST_F(ChromeMetricsServicesManagerClientTest, PopulateStartupVisibility) {
// Register the kMetricsReportingEnabled pref.
local_state()->SetBoolean(metrics::prefs::kMetricsReportingEnabled, false);
ChromeMetricsServicesManagerClient client(local_state());
metrics::MetricsStateManager* metrics_state_manager =
client.GetMetricsStateManagerForTesting();
// Verify that the MetricsStateManager's StartupVisibility is not unknown.
EXPECT_TRUE(metrics_state_manager->is_foreground_session() ||
metrics_state_manager->is_background_session());
}
// Verifies that IsClientInSampleForMetrics() uses the "MetricsReporting"
// feature to determine sampling if the |kUsePostFREFixSamplingTrial| pref is
// not set. This is the case if 1) this is a non-Android platform, or 2) this is
// an Android client that is not using the new sampling trial.
TEST_F(IsClientInSampleTest, UsesMetricsReportingFeature) {
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndDisableFeature(
metrics::internal::kMetricsReportingFeature);
// The client should not be considered sampled in.
EXPECT_FALSE(
ChromeMetricsServicesManagerClient::IsClientInSampleForMetrics());
}
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndEnableFeature(
metrics::internal::kMetricsReportingFeature);
// The client should be considered sampled in.
EXPECT_TRUE(
ChromeMetricsServicesManagerClient::IsClientInSampleForMetrics());
}
}
#if BUILDFLAG(IS_ANDROID)
// Verifies that IsClientInSampleForMetrics() uses the post-FRE-fix sampling
// feature to determine sampling if the |kUsePostFREFixSamplingTrial| pref is
// set.
TEST_F(IsClientInSampleTest, UsesPostFREFixFeatureWhenPrefSet) {
// Set the |kUsePostFREFixSamplingTrial| pref to true.
local_state()->SetBoolean(metrics::prefs::kUsePostFREFixSamplingTrial, true);
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndDisableFeature(
metrics::internal::kPostFREFixMetricsReportingFeature);
// The client should not be considered sampled in.
EXPECT_FALSE(
ChromeMetricsServicesManagerClient::IsClientInSampleForMetrics());
}
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndEnableFeature(
metrics::internal::kPostFREFixMetricsReportingFeature);
// The client should be considered sampled in.
EXPECT_TRUE(
ChromeMetricsServicesManagerClient::IsClientInSampleForMetrics());
}
}
#endif // BUILDFLAG(IS_ANDROID)
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_ANDROID)
TEST_F(IsClientInSampleTest, IsClientInSampleForCrashesTest) {
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndEnableFeature(
metrics::internal::kMetricsReportingFeature);
EXPECT_TRUE(
ChromeMetricsServicesManagerClient::IsClientInSampleForCrashes());
}
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndEnableFeatureWithParameters(
metrics::internal::kMetricsReportingFeature,
{{"disable_crashes", "true"}});
EXPECT_FALSE(
ChromeMetricsServicesManagerClient::IsClientInSampleForCrashes());
}
#if BUILDFLAG(IS_ANDROID)
// Set the |kUsePostFREFixSamplingTrial| pref to true.
local_state()->SetBoolean(metrics::prefs::kUsePostFREFixSamplingTrial, true);
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndEnableFeature(
metrics::internal::kPostFREFixMetricsReportingFeature);
EXPECT_TRUE(
ChromeMetricsServicesManagerClient::IsClientInSampleForCrashes());
}
{
base::test::ScopedFeatureList feature_list;
feature_list.InitAndEnableFeatureWithParameters(
metrics::internal::kPostFREFixMetricsReportingFeature,
{{"disable_crashes", "true"}});
EXPECT_FALSE(
ChromeMetricsServicesManagerClient::IsClientInSampleForCrashes());
}
#endif // BUILDFLAG(IS_ANDROID)
}
#endif // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_ANDROID)
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