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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/prefs/chrome_pref_service_factory.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/test/scoped_feature_list.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/policy/chrome_browser_policy_connector.h"
#include "chrome/common/chrome_constants.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/sync/base/features.h"
#include "components/sync_preferences/pref_service_syncable.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class ChromePrefServiceFactoryTestBase : public testing::Test {
public:
ChromePrefServiceFactoryTestBase()
: pref_registry_(
base::MakeRefCounted<user_prefs::PrefRegistrySyncable>()) {
EXPECT_TRUE(data_dir_.CreateUniqueTempDir());
}
std::unique_ptr<sync_preferences::PrefServiceSyncable> BuildPrefService() {
return chrome_prefs::CreateProfilePrefs(
data_dir_.GetPath(), /*validation_delegate=*/mojo::NullRemote(),
/*policy_service=*/
g_browser_process->browser_policy_connector()->GetPolicyService(),
/*supervised_user_settings=*/nullptr, /*extension_prefs=*/nullptr,
pref_registry_,
/*connector=*/g_browser_process->browser_policy_connector(),
/*async=*/true, task_environment_.GetMainThreadTaskRunner().get(),
/*os_crypt_async=*/nullptr);
}
base::FilePath AccountPreferencesFilePath() const {
return data_dir_.GetPath().Append(chrome::kAccountPreferencesFilename);
}
protected:
content::BrowserTaskEnvironment task_environment_;
base::ScopedTempDir data_dir_;
scoped_refptr<user_prefs::PrefRegistrySyncable> pref_registry_;
};
#if BUILDFLAG(IS_ANDROID)
class ChromePrefServiceFactoryTestWithMigrateAccountPrefsDisabled
: public ChromePrefServiceFactoryTestBase {
public:
ChromePrefServiceFactoryTestWithMigrateAccountPrefsDisabled() {
feature_list_.InitAndDisableFeature(syncer::kMigrateAccountPrefs);
}
private:
base::test::ScopedFeatureList feature_list_;
};
TEST_F(ChromePrefServiceFactoryTestWithMigrateAccountPrefsDisabled,
ShouldNotRemoveAccountPrefsFile) {
// Simulate a pre-existing account preferences file.
ASSERT_TRUE(base::WriteFile(AccountPreferencesFilePath(), "{}"));
BuildPrefService();
// Wait for any tasks posted to the IO to finish.
base::RunLoop run_loop;
content::GetIOThreadTaskRunner()->PostTask(FROM_HERE, run_loop.QuitClosure());
run_loop.Run();
// Account prefs file should not be removed.
EXPECT_TRUE(base::PathExists(AccountPreferencesFilePath()));
}
class ChromePrefServiceFactoryTestWithMigrateAccountPrefsEnabled
: public ChromePrefServiceFactoryTestBase {
public:
ChromePrefServiceFactoryTestWithMigrateAccountPrefsEnabled()
: feature_list_(syncer::kMigrateAccountPrefs) {}
private:
base::test::ScopedFeatureList feature_list_;
};
TEST_F(ChromePrefServiceFactoryTestWithMigrateAccountPrefsEnabled,
ShouldRemoveAccountPrefsFile) {
// Simulate a pre-existing account preferences file.
ASSERT_TRUE(base::WriteFile(AccountPreferencesFilePath(), "{}"));
BuildPrefService();
// Wait for the posted task on the IO thread to delete the file finish.
base::RunLoop run_loop;
content::GetIOThreadTaskRunner()->PostTask(FROM_HERE, run_loop.QuitClosure());
run_loop.Run();
// Account prefs file should have been removed.
EXPECT_FALSE(base::PathExists(AccountPreferencesFilePath()));
}
#endif // BUILDFLAG(IS_ANDROID)
} // namespace
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