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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 "chromeos/ash/components/network/hotspot_state_handler.h"
#include "base/test/bind.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/task_environment.h"
#include "base/values.h"
#include "chromeos/ash/components/dbus/shill/shill_clients.h"
#include "chromeos/ash/components/dbus/shill/shill_manager_client.h"
#include "chromeos/ash/components/network/metrics/hotspot_metrics_helper.h"
#include "chromeos/ash/components/network/network_state_handler.h"
#include "chromeos/ash/components/network/network_state_test_helper.h"
#include "chromeos/ash/services/hotspot_config/public/mojom/cros_hotspot_config.mojom.h"
#include "chromeos/dbus/power/fake_power_manager_client.h"
#include "chromeos/dbus/power/power_policy_controller.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/shill/dbus-constants.h"
namespace ash {
class TestObserver : public HotspotStateHandler::Observer {
public:
TestObserver() = default;
~TestObserver() override = default;
// HotspotStateHandler::Observer:
void OnHotspotStatusChanged() override { hotspot_status_changed_count_++; }
size_t hotspot_status_changed_count() {
return hotspot_status_changed_count_;
}
private:
size_t hotspot_status_changed_count_ = 0u;
};
class HotspotStateHandlerTest : public ::testing::Test {
public:
void SetUp() override {
chromeos::PowerManagerClient::InitializeFake();
power_client_ = chromeos::FakePowerManagerClient::Get();
chromeos::PowerPolicyController::Initialize(power_client_);
if (hotspot_state_handler_ &&
hotspot_state_handler_->HasObserver(&observer_)) {
hotspot_state_handler_->RemoveObserver(&observer_);
}
hotspot_state_handler_ = std::make_unique<HotspotStateHandler>();
hotspot_state_handler_->AddObserver(&observer_);
hotspot_state_handler_->Init();
base::RunLoop().RunUntilIdle();
}
void TearDown() override {
network_state_test_helper_.ClearDevices();
network_state_test_helper_.ClearServices();
hotspot_state_handler_->RemoveObserver(&observer_);
hotspot_state_handler_.reset();
EXPECT_EQ(false, power_client_->policy().system_wake_lock());
}
protected:
base::test::TaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
raw_ptr<chromeos::FakePowerManagerClient> power_client_;
base::HistogramTester histogram_tester_;
std::unique_ptr<HotspotStateHandler> hotspot_state_handler_;
TestObserver observer_;
NetworkStateTestHelper network_state_test_helper_{
/*use_default_devices_and_services=*/false};
};
TEST_F(HotspotStateHandlerTest, GetHotspotState) {
EXPECT_EQ(hotspot_state_handler_->GetHotspotState(),
hotspot_config::mojom::HotspotState::kDisabled);
// Update tethering status to active in Shill.
base::Value::Dict status_dict;
status_dict.Set(shill::kTetheringStatusStateProperty,
shill::kTetheringStateActive);
network_state_test_helper_.manager_test()->SetManagerProperty(
shill::kTetheringStatusProperty, base::Value(status_dict.Clone()));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(hotspot_state_handler_->GetHotspotState(),
hotspot_config::mojom::HotspotState::kEnabled);
EXPECT_EQ(1u, observer_.hotspot_status_changed_count());
// Update tethering status to idle in Shill.
status_dict.Set(shill::kTetheringStatusStateProperty,
shill::kTetheringStateIdle);
network_state_test_helper_.manager_test()->SetManagerProperty(
shill::kTetheringStatusProperty, base::Value(status_dict.Clone()));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(hotspot_state_handler_->GetHotspotState(),
hotspot_config::mojom::HotspotState::kDisabled);
EXPECT_EQ(2u, observer_.hotspot_status_changed_count());
// Simulate user starting tethering.
status_dict.Set(shill::kTetheringStatusStateProperty,
shill::kTetheringStateStarting);
network_state_test_helper_.manager_test()->SetManagerProperty(
shill::kTetheringStatusProperty, base::Value(status_dict.Clone()));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(hotspot_state_handler_->GetHotspotState(),
hotspot_config::mojom::HotspotState::kEnabling);
EXPECT_EQ(3u, observer_.hotspot_status_changed_count());
// Simulate user stopping tethering.
status_dict.Set(shill::kTetheringStatusStateProperty,
shill::kTetheringStateStopping);
network_state_test_helper_.manager_test()->SetManagerProperty(
shill::kTetheringStatusProperty, base::Value(status_dict.Clone()));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(hotspot_state_handler_->GetHotspotState(),
hotspot_config::mojom::HotspotState::kDisabling);
EXPECT_EQ(4u, observer_.hotspot_status_changed_count());
}
TEST_F(HotspotStateHandlerTest, GetHotspotActiveClientCount) {
EXPECT_EQ(0u, hotspot_state_handler_->GetHotspotActiveClientCount());
base::Value::Dict status_dict;
status_dict.Set(shill::kTetheringStatusStateProperty,
shill::kTetheringStateActive);
network_state_test_helper_.manager_test()->SetManagerProperty(
shill::kTetheringStatusProperty, base::Value(status_dict.Clone()));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(0u, hotspot_state_handler_->GetHotspotActiveClientCount());
EXPECT_EQ(1u, observer_.hotspot_status_changed_count());
EXPECT_EQ(false, power_client_->policy().system_wake_lock());
// Update tethering status with one active client.
status_dict.Set(
shill::kTetheringStatusClientsProperty,
base::Value::List().Append(
base::Value::Dict()
.Set(shill::kTetheringStatusClientIPv4Property, "IPV4:001")
.Set(shill::kTetheringStatusClientHostnameProperty, "hostname1")
.Set(shill::kTetheringStatusClientMACProperty, "persist")));
network_state_test_helper_.manager_test()->SetManagerProperty(
shill::kTetheringStatusProperty, base::Value(status_dict.Clone()));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(1u, hotspot_state_handler_->GetHotspotActiveClientCount());
EXPECT_EQ(2u, observer_.hotspot_status_changed_count());
EXPECT_EQ(true, power_client_->policy().system_wake_lock());
status_dict.Set(shill::kTetheringStatusStateProperty,
shill::kTetheringStateIdle);
status_dict.Remove(shill::kTetheringStatusClientsProperty);
network_state_test_helper_.manager_test()->SetManagerProperty(
shill::kTetheringStatusProperty, base::Value(status_dict.Clone()));
base::RunLoop().RunUntilIdle();
EXPECT_EQ(0u, hotspot_state_handler_->GetHotspotActiveClientCount());
EXPECT_EQ(3u, observer_.hotspot_status_changed_count());
EXPECT_EQ(false, power_client_->policy().system_wake_lock());
}
} // namespace ash
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