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// Copyright 2025 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/glic/glic_enabling.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "base/time/time.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/glic/glic_metrics_provider.h"
#include "chrome/browser/glic/glic_pref_names.h"
#include "chrome/browser/glic/test_support/glic_test_util.h"
#include "chrome/browser/global_features.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_attributes_entry.h"
#include "chrome/browser/profiles/profile_attributes_storage.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/profiles/profile_test_util.h"
#include "chrome/browser/ui/ui_features.h"
#include "chrome/browser/ui/views/tabs/tab_strip.h"
#include "chrome/common/chrome_features.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "components/metrics/metrics_service.h"
#include "content/public/test/browser_test.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/metrics_proto/chrome_user_metrics_extension.pb.h"
#include "third_party/metrics_proto/system_profile.pb.h"
using base::test::FeatureRef;
namespace glic {
namespace {
class GlicEnablingTest : public InProcessBrowserTest {
public:
void SetUp() override {
InitializeFeatureList();
InProcessBrowserTest::SetUp();
}
void TearDown() override {
scoped_feature_list_.Reset();
InProcessBrowserTest::TearDown();
}
protected:
virtual void InitializeFeatureList() {
scoped_feature_list_.InitWithFeatures(
{features::kGlic, features::kTabstripComboButton,
features::kGlicRollout},
{});
}
Profile* profile() { return browser()->profile(); }
ProfileManager* profile_manager() {
return g_browser_process->profile_manager();
}
ProfileAttributesStorage& attributes_storage() {
return profile_manager()->GetProfileAttributesStorage();
}
base::test::ScopedFeatureList scoped_feature_list_;
};
IN_PROC_BROWSER_TEST_F(GlicEnablingTest, EnabledForProfileTest) {
ASSERT_FALSE(GlicEnabling::IsEnabledForProfile(nullptr));
ASSERT_FALSE(GlicEnabling::IsEnabledForProfile(profile()));
ForceSigninAndModelExecutionCapability(profile());
ASSERT_TRUE(GlicEnabling::IsEnabledForProfile(profile()));
}
IN_PROC_BROWSER_TEST_F(GlicEnablingTest, AttributeEntryUpdatesOnChange) {
SigninWithPrimaryAccount(profile());
ASSERT_FALSE(GlicEnabling::IsEnabledForProfile(profile()));
ProfileAttributesEntry* entry =
attributes_storage().GetAllProfilesAttributes().front();
EXPECT_FALSE(entry->IsGlicEligible());
// Setting the model execution capability updates the glic AttributeEntry.
SetModelExecutionCapability(profile(), true);
ASSERT_TRUE(GlicEnabling::IsEnabledForProfile(profile()));
ASSERT_FALSE(GlicEnabling::IsEnabledAndConsentForProfile(profile()));
EXPECT_TRUE(entry->IsGlicEligible());
}
class GlicEnablingTieredRolloutTest : public GlicEnablingTest {
public:
void InitializeFeatureList() override {
scoped_feature_list_.InitWithFeatures(
{features::kGlic, features::kTabstripComboButton,
features::kGlicTieredRollout},
{features::kGlicRollout});
}
~GlicEnablingTieredRolloutTest() override = default;
void SetTieredRolloutEligibilityForProfile(bool is_eligible) {
profile()->GetPrefs()->SetBoolean(prefs::kGlicRolloutEligibility,
is_eligible);
}
// Explicitly calls ProvideCurrentSessionData() for all metrics providers.
void ProvideCurrentSessionData() {
// The purpose of the below call is to avoid a DCHECK failure in an
// unrelated metrics provider, in
// |FieldTrialsProvider::ProvideCurrentSessionData()|.
metrics::SystemProfileProto system_profile_proto;
g_browser_process->metrics_service()
->GetDelegatingProviderForTesting()
->ProvideSystemProfileMetricsWithLogCreationTime(base::TimeTicks::Now(),
&system_profile_proto);
metrics::ChromeUserMetricsExtension uma_proto;
g_browser_process->metrics_service()
->GetDelegatingProviderForTesting()
->ProvideCurrentSessionData(&uma_proto);
}
};
IN_PROC_BROWSER_TEST_F(GlicEnablingTieredRolloutTest, EnabledForProfileTest) {
ForceSigninAndModelExecutionCapability(profile());
// Should not be enabled as profile not eligible for tiered rollout.
EXPECT_FALSE(GlicEnabling::IsEnabledForProfile(profile()));
// Should be enabled as now eligible for tiered rollout.
SetTieredRolloutEligibilityForProfile(/*is_eligible=*/true);
EXPECT_TRUE(GlicEnabling::IsEnabledForProfile(profile()));
// Simulate user no longer eligible.
SetTieredRolloutEligibilityForProfile(/*is_eligible=*/false);
EXPECT_FALSE(GlicEnabling::IsEnabledForProfile(profile()));
}
IN_PROC_BROWSER_TEST_F(GlicEnablingTieredRolloutTest,
InTieredRolloutGroupOtherCriteriaNotPassing) {
// Should be enabled as profile.
SetTieredRolloutEligibilityForProfile(/*is_eligible=*/true);
EXPECT_FALSE(GlicEnabling::IsEnabledForProfile(profile()));
// No profiles eligible so this trial should not be emitted.
base::HistogramTester histogram_tester;
ProvideCurrentSessionData();
histogram_tester.ExpectTotalCount("Glic.TieredRolloutEnablementStatus", 0);
}
class GlicEnablingSimultaneousRolloutTest
: public GlicEnablingTieredRolloutTest {
public:
void InitializeFeatureList() override {
scoped_feature_list_.InitWithFeatures(
{features::kGlic, features::kTabstripComboButton,
features::kGlicTieredRollout, features::kGlicRollout},
{});
}
~GlicEnablingSimultaneousRolloutTest() override = default;
};
IN_PROC_BROWSER_TEST_F(GlicEnablingSimultaneousRolloutTest,
EnabledForProfileTest) {
ForceSigninAndModelExecutionCapability(profile());
// Eligible for tiered rollout. Profile enabled for GLIC.
SetTieredRolloutEligibilityForProfile(/*is_eligible=*/true);
ASSERT_TRUE(GlicEnabling::IsEnabledForProfile(profile()));
{
base::HistogramTester histogram_tester;
ProvideCurrentSessionData();
histogram_tester.ExpectUniqueSample(
"Glic.TieredRolloutEnablementStatus",
GlicTieredRolloutEnablementStatus::kAllProfilesEnabled, 1);
}
// Add another profile and have it signed in. The default value for
// tiered rollout is false but this profile is enabled via the general
// GlicRollout flag and canUseModelExecutionFeatures check.
ProfileManager* profile_manager = g_browser_process->profile_manager();
base::FilePath new_path = profile_manager->GenerateNextProfileDirectoryPath();
Profile* second_profile =
&profiles::testing::CreateProfileSync(profile_manager, new_path);
ForceSigninAndModelExecutionCapability(second_profile);
ASSERT_TRUE(GlicEnabling::IsEnabledForProfile(second_profile));
{
base::HistogramTester histogram_tester;
ProvideCurrentSessionData();
histogram_tester.ExpectUniqueSample(
"Glic.TieredRolloutEnablementStatus",
GlicTieredRolloutEnablementStatus::kSomeProfilesEnabled, 1);
}
// Primary profile no longer eligible for tiered rollout. Should not have
// effect on overall enablement, but will have an effect on the histogram
// emitted.
SetTieredRolloutEligibilityForProfile(/*is_eligible=*/false);
ASSERT_TRUE(GlicEnabling::IsEnabledForProfile(profile()));
{
base::HistogramTester histogram_tester;
ProvideCurrentSessionData();
histogram_tester.ExpectUniqueSample(
"Glic.TieredRolloutEnablementStatus",
GlicTieredRolloutEnablementStatus::kNoProfilesEnabled, 1);
}
}
} // namespace
} // namespace glic
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