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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/platform_experience/prefs.h"
#include <memory>
#include "base/test/scoped_feature_list.h"
#include "chrome/browser/platform_experience/features.h"
#include "chrome/test/base/scoped_testing_local_state.h"
#include "chrome/test/base/testing_browser_process.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/testing_pref_service.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace platform_experience::prefs {
namespace {
class PlatformExperiencePrefsTest : public testing::Test {
protected:
PlatformExperiencePrefsTest() = default;
~PlatformExperiencePrefsTest() override = default;
void SetUp() override {
local_state_ = std::make_unique<ScopedTestingLocalState>(
TestingBrowserProcess::GetGlobal());
}
PrefService& local_state() { return *local_state_->Get(); }
content::BrowserTaskEnvironment task_environment_;
std::unique_ptr<ScopedTestingLocalState> local_state_;
};
// Test to ensure that the preference is registered correctly with its default
// value.
TEST_F(PlatformExperiencePrefsTest, RegisterPrefs) {
EXPECT_NE(nullptr,
local_state().FindPreference(kDisablePEHNotificationsPrefName));
EXPECT_FALSE(local_state().GetBoolean(kDisablePEHNotificationsPrefName));
EXPECT_FALSE(
local_state().GetBoolean(kShouldUsePEHNotificationTextIndexPrefName));
EXPECT_EQ(0, local_state().GetInteger(kPEHNotificationTextIndexPrefName));
}
// Test when the kDisableNotifications feature is disabled.
TEST_F(PlatformExperiencePrefsTest, SetPrefOverrides_FeatureDisabled) {
// Ensure the feature is disabled (default state or explicitly disable).
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatures({},
{features::kDisablePEHNotifications});
SetPrefOverrides(local_state());
EXPECT_FALSE(local_state().GetBoolean(kDisablePEHNotificationsPrefName));
}
// Test when the kDisableNotifications feature is enabled.
TEST_F(PlatformExperiencePrefsTest, SetPrefOverrides_FeatureEnabled) {
// Enable the feature.
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatures({features::kDisablePEHNotifications},
{});
SetPrefOverrides(local_state());
EXPECT_TRUE(local_state().GetBoolean(kDisablePEHNotificationsPrefName));
}
// Tests that low-engagement feature prefs are not set when the
// "ShouldUseSpecificPEHNotificationText" flag is disabled.
TEST_F(PlatformExperiencePrefsTest,
SetPrefOverrides_LowEngagementFeaturesDisabled) {
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeaturesAndParameters(
{{features::kShouldUseSpecificPEHNotificationText,
{{features::kUseNotificationTextIndex.name, "42"}}}},
{});
SetPrefOverrides(local_state());
EXPECT_FALSE(
local_state().GetBoolean(kShouldUsePEHNotificationTextIndexPrefName));
}
// Tests that PEH notification text is set when low-engagement PEH features
// are enabled.
TEST_F(PlatformExperiencePrefsTest, SetPrefOverrides_PEHNotificationText) {
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeaturesAndParameters(
{{features::kLoadLowEngagementPEHFeaturesToPrefs, {}},
{features::kShouldUseSpecificPEHNotificationText,
{{features::kUseNotificationTextIndex.name, "42"}}}},
{});
SetPrefOverrides(local_state());
EXPECT_TRUE(
local_state().GetBoolean(kShouldUsePEHNotificationTextIndexPrefName));
EXPECT_EQ(42, local_state().GetInteger(kPEHNotificationTextIndexPrefName));
}
} // namespace
} // namespace platform_experience::prefs
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