Index: chrome/installer/util/experiment_storage_unittest.cc |
diff --git a/chrome/installer/util/experiment_storage_unittest.cc b/chrome/installer/util/experiment_storage_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5f4d2d3a57235a9dbaef81b73d16814e0485d615 |
--- /dev/null |
+++ b/chrome/installer/util/experiment_storage_unittest.cc |
@@ -0,0 +1,182 @@ |
+// 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 "chrome/installer/util/experiment_storage.h" |
+ |
+#include "base/strings/string_piece.h" |
+#include "base/test/test_reg_util_win.h" |
+#include "chrome/install_static/install_details.h" |
+#include "chrome/install_static/test/scoped_install_details.h" |
+#include "chrome/installer/util/browser_distribution.h" |
+#include "chrome/installer/util/experiment.h" |
+#include "chrome/installer/util/experiment_metrics.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace installer { |
+ |
+// A test fixture that can tests saving experiment data in windows registry. |
+// Individual tests provide a parameter, which is true if Chrome is installed |
+// in system level. |
+class ExperimentStorageTest : public ::testing::TestWithParam<bool> { |
+ protected: |
+ ExperimentStorageTest() |
+ : system_level_install_(GetParam()), |
+ scoped_install_details_(system_level_install_, 0) {} |
+ |
+ HKEY root() { |
+ return system_level_install_ ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER; |
+ } |
+ |
+ void SetUp() override { |
+ ::testing::TestWithParam<bool>::SetUp(); |
+ ASSERT_NO_FATAL_FAILURE(override_manager_.OverrideRegistry(root())); |
+ |
+ // Create an empty participation key since participation registry is assumed |
+ // to be present for chrome build. |
+ base::win::RegKey key; |
+ ASSERT_EQ(ERROR_SUCCESS, key.Create(root(), |
+ install_static::InstallDetails::Get() |
+ .GetClientStateKeyPath() |
+ .c_str(), |
+ KEY_WOW64_32KEY | KEY_QUERY_VALUE)); |
+ } |
+ |
+ bool system_level_install_; |
+ |
+ private: |
+ install_static::ScopedInstallDetails scoped_install_details_; |
+ registry_util::RegistryOverrideManager override_manager_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ExperimentStorageTest); |
+}; |
+ |
+TEST_P(ExperimentStorageTest, TestEncodeDecodeMetrics) { |
+ ExperimentMetrics metrics; |
+ metrics.state = ExperimentMetrics::kGroupAssigned; |
+ metrics.toast_location = ExperimentMetrics::kOverTaskbarPin; |
+ metrics.toast_count = 1; |
+ metrics.first_toast_offset_days = 30; |
+ metrics.toast_hour = 3; |
+ metrics.last_used_bucket = 2; |
+ metrics.action_delay_bucket = 11; |
+ metrics.session_length_bucket = 36; |
+ base::string16 encoded_metrics(ExperimentStorage::EncodeMetrics(metrics)); |
+ EXPECT_EQ(L"5BIMD4IA", encoded_metrics); |
+ ExperimentMetrics decoded_metrics; |
+ ASSERT_TRUE( |
+ ExperimentStorage::DecodeMetrics(encoded_metrics, &decoded_metrics)); |
+ EXPECT_EQ(metrics, decoded_metrics); |
+} |
+ |
+TEST_P(ExperimentStorageTest, TestEncodeDecodeForMax) { |
+ Experiment experiment; |
+ experiment.AssignGroup(ExperimentMetrics::kNumGroups - 1); |
+ experiment.SetToastLocation(ExperimentMetrics::kOverNotificationArea); |
+ experiment.SetInactiveDays(ExperimentMetrics::kMaxLastUsed); |
+ experiment.SetToastCount(ExperimentMetrics::kMaxToastCount); |
+ experiment.SetUserSessionUptime( |
+ base::TimeDelta::FromMinutes(ExperimentMetrics::kMaxSessionLength)); |
+ experiment.SetActionDelay( |
+ base::TimeDelta::FromSeconds(ExperimentMetrics::kMaxActionDelay)); |
+ experiment.SetDisplayTime( |
+ base::Time::UnixEpoch() + |
+ base::TimeDelta::FromSeconds(ExperimentMetrics::kExperimentStartSeconds) + |
+ base::TimeDelta::FromDays(ExperimentMetrics::kMaxFirstToastOffsetDays)); |
+ experiment.SetState(ExperimentMetrics::kUserLogOff); // Max state. |
+ ExperimentMetrics metrics = experiment.metrics(); |
+ // toast_hour uses LocalMidnight whose value depend on local time. So, reset |
+ // it to its maximum value. |
+ metrics.toast_hour = 24; |
+ base::string16 encoded_metrics(ExperimentStorage::EncodeMetrics(metrics)); |
+ EXPECT_EQ(L"///j//8f", encoded_metrics); |
+ ExperimentMetrics decoded_metrics; |
+ ASSERT_TRUE( |
+ ExperimentStorage::DecodeMetrics(encoded_metrics, &decoded_metrics)); |
+ EXPECT_EQ(decoded_metrics.state, ExperimentMetrics::kUserLogOff); |
+ EXPECT_EQ(decoded_metrics.group, ExperimentMetrics::kNumGroups - 1); |
+ EXPECT_EQ(decoded_metrics.toast_location, |
+ ExperimentMetrics::kOverNotificationArea); |
+ EXPECT_EQ(decoded_metrics.toast_count, ExperimentMetrics::kMaxToastCount); |
+ EXPECT_EQ(decoded_metrics.first_toast_offset_days, |
+ ExperimentMetrics::kMaxFirstToastOffsetDays); |
+ EXPECT_EQ(decoded_metrics.toast_hour, 24); |
+ // Following are exponential buckets. So, there max value will be |
+ // 2^bits - 1 |
+ EXPECT_EQ(decoded_metrics.last_used_bucket, |
+ (1 << ExperimentMetrics::kLastUsedBucketBits) - 1); |
+ EXPECT_EQ(decoded_metrics.action_delay_bucket, |
+ (1 << ExperimentMetrics::kActionDelayBucketBits) - 1); |
+ EXPECT_EQ(decoded_metrics.session_length_bucket, |
+ (1 << ExperimentMetrics::kSessionLengthBucketBits) - 1); |
+} |
+ |
+TEST_P(ExperimentStorageTest, TestEncodeDecodeForMin) { |
+ ExperimentMetrics metrics; |
+ metrics.state = ExperimentMetrics::kRelaunchFailed; |
+ base::string16 encoded_metrics(ExperimentStorage::EncodeMetrics(metrics)); |
+ EXPECT_EQ(L"AAAAAAAA", encoded_metrics); |
+ ExperimentMetrics decoded_metrics; |
+ ASSERT_TRUE( |
+ ExperimentStorage::DecodeMetrics(encoded_metrics, &decoded_metrics)); |
+ EXPECT_EQ(metrics, decoded_metrics); |
+} |
+ |
+TEST_P(ExperimentStorageTest, TestReadWriteParticipation) { |
+ ExperimentStorage storage; |
+ ExperimentStorage::Participation expected = |
+ ExperimentStorage::Participation::kIsParticipating; |
+ ASSERT_TRUE(storage.AcquireLock()->WriteParticipation(expected)); |
+ ExperimentStorage::Participation p; |
+ ASSERT_TRUE(storage.AcquireLock()->ReadParticipation(&p)); |
+ EXPECT_EQ(expected, p); |
+} |
+ |
+TEST_P(ExperimentStorageTest, TestLoadStoreExperiment) { |
+ Experiment experiment; |
+ experiment.AssignGroup(5); |
+ ExperimentStorage storage; |
+ ASSERT_TRUE(storage.AcquireLock()->StoreExperiment(experiment)); |
+ Experiment stored_experiment; |
+ ASSERT_TRUE(storage.AcquireLock()->LoadExperiment(&stored_experiment)); |
+ EXPECT_EQ(ExperimentMetrics::kGroupAssigned, stored_experiment.state()); |
+ EXPECT_EQ(5, stored_experiment.group()); |
+ // Verify that expeirment state is stored in correct location in registry. |
+ base::win::RegKey key; |
+ base::string16 client_state_path( |
+ system_level_install_ |
+ ? BrowserDistribution::GetDistribution()->GetStateMediumKey() |
+ : BrowserDistribution::GetDistribution()->GetStateKey()); |
+ client_state_path.append(L"\\Retention"); |
+ EXPECT_EQ(ERROR_SUCCESS, key.Open(root(), client_state_path.c_str(), |
+ KEY_QUERY_VALUE | KEY_WOW64_32KEY)); |
+} |
+ |
+TEST_P(ExperimentStorageTest, TestLoadStoreMetrics) { |
+ ExperimentStorage storage; |
+ ExperimentMetrics metrics; |
+ metrics.state = ExperimentMetrics::kGroupAssigned; |
+ metrics.toast_location = ExperimentMetrics::kOverTaskbarPin; |
+ metrics.toast_count = 1; |
+ metrics.first_toast_offset_days = 30; |
+ metrics.toast_hour = 3; |
+ metrics.last_used_bucket = 2; |
+ metrics.action_delay_bucket = 11; |
+ metrics.session_length_bucket = 36; |
+ ASSERT_TRUE(storage.AcquireLock()->StoreMetrics(metrics)); |
+ ExperimentMetrics stored_metrics; |
+ ASSERT_TRUE(storage.AcquireLock()->LoadMetrics(&stored_metrics)); |
+ EXPECT_EQ(L"5BIMD4IA", ExperimentStorage::EncodeMetrics(stored_metrics)); |
+ // Verify that expeirment labels are stored in registry. |
+ EXPECT_EQ(metrics, stored_metrics); |
+} |
+ |
+INSTANTIATE_TEST_CASE_P(UserLevel, |
+ ExperimentStorageTest, |
+ ::testing::Values(false)); |
+ |
+INSTANTIATE_TEST_CASE_P(SystemLevel, |
+ ExperimentStorageTest, |
+ ::testing::Values(true)); |
+ |
+} // namespace installer |