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- // Copyright 2017 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "components/metrics/environment_recorder.h"
- #include "components/metrics/metrics_pref_names.h"
- #include "components/prefs/testing_pref_service.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "third_party/metrics_proto/system_profile.pb.h"
- namespace metrics {
- class EnvironmentRecorderTest : public testing::Test {
- public:
- EnvironmentRecorderTest() {
- EnvironmentRecorder::RegisterPrefs(prefs_.registry());
- }
- EnvironmentRecorderTest(const EnvironmentRecorderTest&) = delete;
- EnvironmentRecorderTest& operator=(const EnvironmentRecorderTest&) = delete;
- ~EnvironmentRecorderTest() override {}
- protected:
- TestingPrefServiceSimple prefs_;
- };
- TEST_F(EnvironmentRecorderTest, LoadEnvironmentFromPrefs) {
- const char* kSystemProfilePref = prefs::kStabilitySavedSystemProfile;
- const char* kSystemProfileHashPref = prefs::kStabilitySavedSystemProfileHash;
- // The pref value is empty, so loading it from prefs should fail.
- {
- EnvironmentRecorder recorder(&prefs_);
- SystemProfileProto system_profile;
- EXPECT_FALSE(recorder.LoadEnvironmentFromPrefs(&system_profile));
- EXPECT_FALSE(system_profile.has_app_version());
- }
- // Do a RecordEnvironment() call and check whether the pref is recorded.
- {
- EnvironmentRecorder recorder(&prefs_);
- SystemProfileProto system_profile;
- system_profile.set_app_version("bogus version");
- std::string serialized_profile =
- recorder.SerializeAndRecordEnvironmentToPrefs(system_profile);
- EXPECT_FALSE(serialized_profile.empty());
- EXPECT_FALSE(prefs_.GetString(kSystemProfilePref).empty());
- EXPECT_FALSE(prefs_.GetString(kSystemProfileHashPref).empty());
- }
- // Load it and check that it has the right value.
- {
- EnvironmentRecorder recorder(&prefs_);
- SystemProfileProto system_profile;
- EXPECT_TRUE(recorder.LoadEnvironmentFromPrefs(&system_profile));
- EXPECT_EQ("bogus version", system_profile.app_version());
- // Ensure that the call did not clear the prefs.
- EXPECT_FALSE(prefs_.GetString(kSystemProfilePref).empty());
- EXPECT_FALSE(prefs_.GetString(kSystemProfileHashPref).empty());
- }
- // Ensure that a non-matching hash results in the pref being invalid.
- {
- // Set the hash to a bad value.
- prefs_.SetString(kSystemProfileHashPref, "deadbeef");
- EnvironmentRecorder recorder(&prefs_);
- SystemProfileProto system_profile;
- EXPECT_FALSE(recorder.LoadEnvironmentFromPrefs(&system_profile));
- EXPECT_FALSE(system_profile.has_app_version());
- }
- }
- } // namespace metrics
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