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// Copyright 2021 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/reporting/metrics/metric_reporting_controller.h"
#include <memory>
#include <string>
#include "base/test/bind.h"
#include "base/test/task_environment.h"
#include "components/reporting/metrics/fakes/fake_reporting_settings.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace reporting {
namespace {
constexpr char kSettingPath[] = "path";
class MetricReportingControllerTest : public ::testing::Test {
public:
void SetUp() override {
settings_ = std::make_unique<test::FakeReportingSettings>();
enable_count_ = 0;
disable_count_ = 0;
enable_cb_ = base::BindLambdaForTesting([this]() { ++enable_count_; });
disable_cb_ = base::BindLambdaForTesting([this]() { ++disable_count_; });
}
protected:
int enable_count_ = 0;
int disable_count_ = 0;
base::RepeatingClosure enable_cb_;
base::RepeatingClosure disable_cb_;
std::unique_ptr<test::FakeReportingSettings> settings_;
base::test::SingleThreadTaskEnvironment task_environment_;
};
TEST_F(MetricReportingControllerTest, InvalidPath_DefaultDisabled) {
MetricReportingController controller(settings_.get(), "invalid/path",
/*setting_enabled_default_value=*/false);
controller.SetSettingUpdateCb(std::move(enable_cb_), std::move(disable_cb_));
EXPECT_EQ(enable_count_, 0);
EXPECT_EQ(disable_count_, 0);
}
TEST_F(MetricReportingControllerTest, InvalidPath_DefaultEnabled) {
MetricReportingController controller(settings_.get(), "invalid/path",
/*setting_enabled_default_value=*/true);
controller.SetSettingUpdateCb(std::move(enable_cb_), std::move(disable_cb_));
EXPECT_EQ(enable_count_, 1);
EXPECT_EQ(disable_count_, 0);
}
TEST_F(MetricReportingControllerTest, TrustedCheck) {
settings_->SetReportingEnabled(kSettingPath, true);
settings_->SetIsTrusted(false);
MetricReportingController controller(settings_.get(), kSettingPath,
/*setting_enabled_default_value=*/false);
controller.SetSettingUpdateCb(std::move(enable_cb_), std::move(disable_cb_));
EXPECT_EQ(enable_count_, 0);
EXPECT_EQ(disable_count_, 0);
settings_->SetIsTrusted(true);
EXPECT_EQ(enable_count_, 1);
EXPECT_EQ(disable_count_, 0);
}
TEST_F(MetricReportingControllerTest, InitiallyEnabled) {
settings_->SetReportingEnabled(kSettingPath, true);
MetricReportingController controller(settings_.get(), kSettingPath,
/*setting_enabled_default_value=*/false);
controller.SetSettingUpdateCb(std::move(enable_cb_), std::move(disable_cb_));
// Only enable_cb_ is called.
EXPECT_EQ(enable_count_, 1);
EXPECT_EQ(disable_count_, 0);
// Change to disable.
settings_->SetReportingEnabled(kSettingPath, false);
// Only disable_cb_ is called.
EXPECT_EQ(enable_count_, 1);
EXPECT_EQ(disable_count_, 1);
// Change to enable.
settings_->SetReportingEnabled(kSettingPath, true);
// Only enable_cb_ is called.
EXPECT_EQ(enable_count_, 2);
EXPECT_EQ(disable_count_, 1);
}
TEST_F(MetricReportingControllerTest, InitiallyDisabled) {
settings_->SetReportingEnabled(kSettingPath, false);
MetricReportingController controller(settings_.get(), kSettingPath,
/*setting_enabled_default_value=*/false);
controller.SetSettingUpdateCb(std::move(enable_cb_), std::move(disable_cb_));
// No callbacks are called.
EXPECT_EQ(enable_count_, 0);
EXPECT_EQ(disable_count_, 0);
// Change to enable.
settings_->SetReportingEnabled(kSettingPath, true);
// Only enable_cb_ is called.
EXPECT_EQ(enable_count_, 1);
EXPECT_EQ(disable_count_, 0);
// Change to disable.
settings_->SetReportingEnabled(kSettingPath, false);
// Only disable_cb_ is called.
EXPECT_EQ(enable_count_, 1);
EXPECT_EQ(disable_count_, 1);
}
TEST_F(MetricReportingControllerTest, SetCallbackAfterEnable) {
settings_->SetReportingEnabled(kSettingPath, false);
MetricReportingController controller(settings_.get(), kSettingPath,
/*setting_enabled_default_value=*/false);
// Change to enable.
settings_->SetReportingEnabled(kSettingPath, true);
controller.SetSettingUpdateCb(std::move(enable_cb_), std::move(disable_cb_));
// Only enable_cb_ is called.
EXPECT_EQ(enable_count_, 1);
EXPECT_EQ(disable_count_, 0);
// Change to disable.
settings_->SetReportingEnabled(kSettingPath, false);
// Only disable_cb_ is called.
EXPECT_EQ(enable_count_, 1);
EXPECT_EQ(disable_count_, 1);
}
TEST_F(MetricReportingControllerTest, SetCallbackAfterDisable) {
settings_->SetReportingEnabled(kSettingPath, true);
MetricReportingController controller(settings_.get(), kSettingPath,
/*setting_enabled_default_value=*/false);
// Change to disable.
settings_->SetReportingEnabled(kSettingPath, false);
controller.SetSettingUpdateCb(std::move(enable_cb_), std::move(disable_cb_));
// No callbacks are called.
EXPECT_EQ(enable_count_, 0);
EXPECT_EQ(disable_count_, 0);
// Change to enable.
settings_->SetReportingEnabled(kSettingPath, true);
// Only enable_cb_ is called.
EXPECT_EQ(enable_count_, 1);
EXPECT_EQ(disable_count_, 0);
}
} // namespace
} // namespace reporting
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