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// Copyright 2019 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/ash/arc/arc_ui_availability_reporter.h"
#include "base/command_line.h"
#include "base/metrics/histogram_samples.h"
#include "base/metrics/statistics_recorder.h"
#include "chrome/browser/ash/app_list/arc/arc_app_list_prefs.h"
#include "chrome/browser/ash/app_list/arc/arc_app_test.h"
#include "chrome/test/base/testing_profile.h"
#include "chromeos/ash/experiences/arc/session/arc_bridge_service.h"
#include "chromeos/ash/experiences/arc/session/arc_service_manager.h"
#include "chromeos/ash/experiences/arc/test/arc_util_test_support.h"
#include "chromeos/ash/experiences/arc/test/fake_app_instance.h"
#include "chromeos/ash/experiences/arc/test/fake_intent_helper_host.h"
#include "chromeos/ash/experiences/arc/test/fake_intent_helper_instance.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace arc {
namespace {
using Mode = ArcUiAvailabilityReporter::Mode;
const base::HistogramBase* GetHistogram(Mode mode) {
return base::StatisticsRecorder::FindHistogram(
"Arc.UiAvailable." +
ArcUiAvailabilityReporter::GetHistogramNameForMode(mode) +
".TimeDelta.Unmanaged");
}
int64_t ReadSingleStatistics(Mode mode) {
const base::HistogramBase* histogram = GetHistogram(mode);
DCHECK(histogram);
std::unique_ptr<base::HistogramSamples> samples =
histogram->SnapshotFinalDelta();
DCHECK(samples.get());
// Expected reported only once.
DCHECK_EQ(1, samples->TotalCount());
return samples->sum();
}
} // namespace
class ArcUiAvailabilityReporterTest : public testing::Test {
public:
ArcUiAvailabilityReporterTest() = default;
ArcUiAvailabilityReporterTest(const ArcUiAvailabilityReporterTest&) = delete;
ArcUiAvailabilityReporterTest& operator=(
const ArcUiAvailabilityReporterTest&) = delete;
~ArcUiAvailabilityReporterTest() override = default;
void SetUp() override {
testing::Test::SetUp();
arc::SetArcAvailableCommandLineForTesting(
base::CommandLine::ForCurrentProcess());
// arc_service_manager_ = std::make_unique<arc::ArcServiceManager>();
profile_ = TestingProfile::Builder().Build();
// Use ArcAppTest to initialize infrastructure.
arc_app_test_.set_activate_arc_on_start(false);
arc_app_test_.SetUp(profile());
app_instance_ = std::make_unique<FakeAppInstance>(
arc_app_test_.arc_app_list_prefs() /* app_host */);
intent_helper_instance_ = std::make_unique<FakeIntentHelperInstance>();
intent_helper_host_ = std::make_unique<FakeIntentHelperHost>(
arc_bridge_service()->intent_helper());
}
void TearDown() override {
intent_helper_host_.reset();
intent_helper_instance_.reset();
app_instance_.reset();
arc_app_test_.TearDown();
profile_.reset();
// arc_service_manager_.reset();
testing::Test::TearDown();
}
TestingProfile* profile() { return profile_.get(); }
ArcBridgeService* arc_bridge_service() {
return ArcServiceManager::Get()->arc_bridge_service();
}
FakeAppInstance* app_instance() { return app_instance_.get(); }
FakeIntentHelperInstance* intent_helper_instance() {
return intent_helper_instance_.get();
}
private:
content::BrowserTaskEnvironment task_environment_;
// std::unique_ptr<arc::ArcServiceManager> arc_service_manager_;
std::unique_ptr<TestingProfile> profile_;
ArcAppTest arc_app_test_;
std::unique_ptr<FakeIntentHelperHost> intent_helper_host_;
std::unique_ptr<FakeAppInstance> app_instance_;
std::unique_ptr<FakeIntentHelperInstance> intent_helper_instance_;
};
// Reporting is triggered in case both instances are connected.
TEST_F(ArcUiAvailabilityReporterTest, Basic) {
ArcUiAvailabilityReporter reporter(profile(), Mode::kOobeProvisioning);
// No reporting at this time.
EXPECT_FALSE(GetHistogram(Mode::kOobeProvisioning));
arc_bridge_service()->app()->SetInstance(app_instance());
EXPECT_FALSE(GetHistogram(Mode::kOobeProvisioning));
arc_bridge_service()->intent_helper()->SetInstance(intent_helper_instance());
EXPECT_GE(ReadSingleStatistics(Mode::kOobeProvisioning), 0);
EXPECT_FALSE(GetHistogram(Mode::kInSessionProvisioning));
EXPECT_FALSE(GetHistogram(Mode::kAlreadyProvisioned));
}
// Reporting is triggered only once, even if instances are reconnected.
TEST_F(ArcUiAvailabilityReporterTest, TriggeredOnce) {
ArcUiAvailabilityReporter reporter(profile(), Mode::kAlreadyProvisioned);
arc_bridge_service()->app()->SetInstance(app_instance());
arc_bridge_service()->intent_helper()->SetInstance(intent_helper_instance());
arc_bridge_service()->app()->CloseInstance(app_instance());
arc_bridge_service()->intent_helper()->CloseInstance(
intent_helper_instance());
arc_bridge_service()->app()->SetInstance(app_instance());
arc_bridge_service()->intent_helper()->SetInstance(intent_helper_instance());
EXPECT_GE(ReadSingleStatistics(Mode::kAlreadyProvisioned), 0);
}
// Reporting is triggered even if instance restart happened.
TEST_F(ArcUiAvailabilityReporterTest, InstanceRestartAllowed) {
ArcUiAvailabilityReporter reporter(profile(), Mode::kInSessionProvisioning);
arc_bridge_service()->app()->SetInstance(app_instance());
arc_bridge_service()->app()->CloseInstance(app_instance());
arc_bridge_service()->intent_helper()->SetInstance(intent_helper_instance());
arc_bridge_service()->app()->SetInstance(app_instance());
EXPECT_GE(ReadSingleStatistics(Mode::kInSessionProvisioning), 0);
}
} // namespace arc
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