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// Copyright 2022 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/tracing/common/background_tracing_state_manager.h"
#include "base/json/json_writer.h"
#include "base/json/values_util.h"
#include "base/strings/pattern.h"
#include "components/metrics/metrics_pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/testing_pref_service.h"
#include "components/tracing/common/pref_names.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace tracing {
class BackgroundTracingStateManagerTest : public testing::Test {
public:
void SetUp() override {
pref_service_ = std::make_unique<TestingPrefServiceSimple>();
pref_service_->registry()->RegisterBooleanPref(
metrics::prefs::kMetricsReportingEnabled, false);
pref_service_->SetBoolean(metrics::prefs::kMetricsReportingEnabled, true);
tracing::RegisterPrefs(pref_service_->registry());
state_manager_ = tracing::BackgroundTracingStateManager::CreateInstance(
pref_service_.get());
}
std::string GetSessionStateJson() {
const base::Value::Dict& state =
pref_service_->GetDict(tracing::kBackgroundTracingSessionState);
std::string json;
EXPECT_TRUE(base::JSONWriter::Write(state, &json));
return json;
}
void SetSessionState(base::Value::Dict dict) {
pref_service_->Set(tracing::kBackgroundTracingSessionState,
base::Value(std::move(dict)));
}
void ResetStateManager() {
state_manager_.reset();
state_manager_ = tracing::BackgroundTracingStateManager::CreateInstance(
pref_service_.get());
}
private:
content::BrowserTaskEnvironment task_environment_;
std::unique_ptr<TestingPrefServiceSimple> pref_service_;
std::unique_ptr<tracing::BackgroundTracingStateManager> state_manager_;
};
TEST_F(BackgroundTracingStateManagerTest, InitializeEmptyPrefs) {
EXPECT_EQ(GetSessionStateJson(), R"({})");
}
TEST_F(BackgroundTracingStateManagerTest, EnablePrivacyFilter) {
EXPECT_FALSE(tracing::BackgroundTracingStateManager::GetInstance()
.privacy_filter_enabled());
tracing::BackgroundTracingStateManager::GetInstance().UpdatePrivacyFilter(
true);
EXPECT_TRUE(
base::MatchPattern(GetSessionStateJson(), R"({"privacy_filter":true})"))
<< "Actual: " << GetSessionStateJson();
EXPECT_TRUE(tracing::BackgroundTracingStateManager::GetInstance()
.privacy_filter_enabled());
}
TEST_F(BackgroundTracingStateManagerTest, PrivacyFilterEnabled) {
base::Value::Dict dict;
dict.Set("privacy_filter", true);
SetSessionState(std::move(dict));
ResetStateManager();
EXPECT_TRUE(
base::MatchPattern(GetSessionStateJson(), R"({"privacy_filter":true})"))
<< "Actual: " << GetSessionStateJson();
EXPECT_TRUE(tracing::BackgroundTracingStateManager::GetInstance()
.privacy_filter_enabled());
}
TEST_F(BackgroundTracingStateManagerTest, LoadEnabledScenarios) {
base::Value::Dict dict;
dict.Set("enabled_scenarios", base::Value::List().Append("1").Append("3"));
SetSessionState(std::move(dict));
ResetStateManager();
EXPECT_TRUE(base::MatchPattern(GetSessionStateJson(),
R"({"enabled_scenarios":["1","3"]})"))
<< "Actual: " << GetSessionStateJson();
EXPECT_EQ(std::vector<std::string>({"1", "3"}),
tracing::BackgroundTracingStateManager::GetInstance()
.enabled_scenarios());
}
TEST_F(BackgroundTracingStateManagerTest, UpdateEnabledScenarios) {
tracing::BackgroundTracingStateManager::GetInstance().UpdateEnabledScenarios(
{"1", "3"});
EXPECT_TRUE(base::MatchPattern(
GetSessionStateJson(),
R"({"enabled_scenarios":["1","3"],"privacy_filter":false})"))
<< "Actual: " << GetSessionStateJson();
EXPECT_EQ(std::vector<std::string>({"1", "3"}),
tracing::BackgroundTracingStateManager::GetInstance()
.enabled_scenarios());
}
} // namespace tracing
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