about_flags_unittest.cc | Explore in Territory

// Copyright 2011 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/about_flags.h"

#include <stddef.h>

#include <map>
#include <optional>
#include <set>
#include <string>
#include <utility>

#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/test/metrics/histogram_enum_reader.h"
#include "build/build_config.h"
#include "chrome/common/chrome_version.h"
#include "components/flags_ui/feature_entry.h"
#include "components/flags_ui/feature_entry_macros.h"
#include "components/flags_ui/flags_test_helpers.h"
#include "components/flags_ui/flags_ui_metrics.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace about_flags {

namespace {

Sample;
SwitchToIdMap;

// Get all associated switches corresponding to defined about_flags.cc entries.
std::set<std::string> GetAllPublicSwitchesAndFeaturesForTesting() { … }

// Returns all variation ids defined in flags entries.
std::vector<std::string> GetAllVariationIds() { … }

// Returns the parsed pair: <variation_id, is_triggering>.
std::pair<int, bool> ParseVariationId(const std::string& variation_str) { … }

}  // namespace

// Makes sure there are no separators in any of the entry names.
TEST(AboutFlagsTest, NoSeparators) { … }

// Makes sure that every flag has an owner and an expiry entry in
// flag-metadata.json.
TEST(AboutFlagsTest, EveryFlagHasMetadata) { … }

// Ensures that all flags marked as never expiring in flag-metadata.json is
// listed in flag-never-expire-list.json.
TEST(AboutFlagsTest, OnlyPermittedFlagsNeverExpire) { … }

// Ensures that every flag has an owner.
TEST(AboutFlagsTest, EveryFlagHasNonEmptyOwners) { … }

// Ensures that owners conform to rules in flag-metadata.json.
TEST(AboutFlagsTest, OwnersLookValid) { … }

// For some bizarre reason, far too many people see a file filled with
// alphabetically-ordered items and think "hey, let me drop this new item into a
// random location!" Prohibit such behavior in the flags files.
TEST(AboutFlagsTest, FlagsListedInAlphabeticalOrder) { … }

TEST(AboutFlagsTest, EveryFlagIsValid) { … }

TEST(AboutFlagsTest, RecentUnexpireFlagsArePresent) { … }

// Ensures that all variation IDs specified are well-formed.
// - Variation IDs may be re-used, when multiple variants change client-side
//   behavior alone.
// - Variation IDs must be associated with the appropriate pool of valid numbers
TEST(AboutFlagsTest, VariationIdsAreValid) { … }

// Test that ScopedFeatureEntries restores existing feature entries on
// destruction.
TEST(AboutFlagsTest, ScopedFeatureEntriesRestoresFeatureEntries) { … }

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

TEST_F(AboutFlagsHistogramTest, CheckHistograms) { … }

}  // namespace about_flags
chromium/chrome/browser/about_flags_unittest.cc
