chromium/components/variations/field_trial_internals_utils_unittest.cc

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/variations/field_trial_internals_utils.h"

#include <string_view>

#include "base/metrics/field_trial.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/testing_pref_service.h"
#include "components/variations/hashing.h"
#include "components/variations/pref_names.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace variations {
namespace {
ElementsAre;
Pair;
HashNameAsHexString;
kVariationsForcedFieldTrials;
kVariationsForcedTrialExpiration;
kVariationsForcedTrialStarts;

variations::StudyGroupNames MakeStudy(std::string_view name) { … }

class FieldTrialInternalsUtilsTest : public testing::Test { … };

TEST_F(FieldTrialInternalsUtilsTest, ForceTrialsAtStartupHasTrialOverride) { … }

TEST_F(FieldTrialInternalsUtilsTest, ForceTrialsAtStartupExpiredByTime) { … }

TEST_F(FieldTrialInternalsUtilsTest,
       ForceTrialsAtStartupExpiredByInvalidExpiryTime) { … }

TEST_F(FieldTrialInternalsUtilsTest,
       ForceTrialsAtStartupExpiredByRestartCount) { … }

TEST_F(FieldTrialInternalsUtilsTest, ForceTrialsAtStartupNoPrefsStored) { … }

TEST_F(FieldTrialInternalsUtilsTest, SetTemporaryTrialOverridesOneGroup) { … }

TEST_F(FieldTrialInternalsUtilsTest, SetTemporaryTrialOverridesTwoGroups) { … }

TEST_F(FieldTrialInternalsUtilsTest,
       SetTemporaryTrialOverridesThenForceTrialsAtStartup) { … }

TEST_F(FieldTrialInternalsUtilsTest, EmulateMultipleStarts) { … }

TEST_F(FieldTrialInternalsUtilsTest,
       RefreshAndGetFieldTrialOverridesWithEmptyState) { … }

TEST_F(FieldTrialInternalsUtilsTest,
       RefreshAndGetFieldTrialOverridesWithActiveOverride) { … }

TEST_F(FieldTrialInternalsUtilsTest,
       RefreshAndGetFieldTrialOverridesBeforeRestart) { … }

TEST_F(FieldTrialInternalsUtilsTest,
       RefreshAndGetFieldTrialOverridesStudyNoLongerExists) { … }

TEST_F(FieldTrialInternalsUtilsTest,
       RefreshAndGetFieldTrialOverridesDoesNotRestoreExpiredOverrides) { … }

}  // namespace
}  // namespace variations