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// Copyright 2017 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/tether/tether_network_disconnection_handler.h"
#include <memory>
#include "base/memory/ptr_util.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "base/test/test_simple_task_runner.h"
#include "chromeos/ash/components/network/network_state.h"
#include "chromeos/ash/components/network/network_state_handler.h"
#include "chromeos/ash/components/network/network_state_test_helper.h"
#include "chromeos/ash/components/network/technology_state_controller.h"
#include "chromeos/ash/components/tether/fake_active_host.h"
#include "chromeos/ash/components/tether/fake_disconnect_tethering_request_sender.h"
#include "chromeos/ash/components/tether/fake_network_configuration_remover.h"
#include "chromeos/ash/components/tether/fake_tether_session_completion_logger.h"
#include "chromeos/ash/components/tether/network_configuration_remover.h"
#include "chromeos/ash/components/tether/tether_session_completion_logger.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/shill/dbus-constants.h"
namespace ash {
namespace tether {
namespace {
const char kDeviceId[] = "deviceId";
const char kWifiNetworkGuid[] = "wifiNetworkGuid";
const char kTetherNetworkGuid[] = "tetherNetworkGuid";
std::string CreateConnectedWifiConfigurationJsonString() {
std::stringstream ss;
ss << "{"
<< " \"GUID\": \"" << kWifiNetworkGuid << "\","
<< " \"Type\": \"" << shill::kTypeWifi << "\","
<< " \"State\": \"" << shill::kStateReady << "\""
<< "}";
return ss.str();
}
} // namespace
class TetherNetworkDisconnectionHandlerTest : public testing::Test {
public:
TetherNetworkDisconnectionHandlerTest(
const TetherNetworkDisconnectionHandlerTest&) = delete;
TetherNetworkDisconnectionHandlerTest& operator=(
const TetherNetworkDisconnectionHandlerTest&) = delete;
protected:
TetherNetworkDisconnectionHandlerTest() {}
~TetherNetworkDisconnectionHandlerTest() override = default;
void SetUp() override {
wifi_service_path_ =
helper_.ConfigureService(CreateConnectedWifiConfigurationJsonString());
fake_active_host_ = std::make_unique<FakeActiveHost>();
fake_disconnect_tethering_request_sender_ =
std::make_unique<FakeDisconnectTetheringRequestSender>();
fake_network_configuration_remover_ =
std::make_unique<FakeNetworkConfigurationRemover>();
fake_tether_session_completion_logger_ =
std::make_unique<FakeTetherSessionCompletionLogger>();
handler_ = base::WrapUnique(new TetherNetworkDisconnectionHandler(
fake_active_host_.get(), helper_.network_state_handler(),
fake_network_configuration_remover_.get(),
fake_disconnect_tethering_request_sender_.get(),
fake_tether_session_completion_logger_.get()));
test_task_runner_ = base::MakeRefCounted<base::TestSimpleTaskRunner>();
handler_->SetTaskRunnerForTesting(test_task_runner_);
}
void TearDown() override {
// Delete handler before the NetworkStateHandler and |fake_active_host_|.
handler_.reset();
}
void NotifyDisconnected() {
helper_.SetServiceProperty(wifi_service_path_,
std::string(shill::kStateProperty),
base::Value(shill::kStateIdle));
}
void SetWiFiTechnologyStateEnabled(bool enabled) {
helper_.technology_state_controller()->SetTechnologiesEnabled(
NetworkTypePattern::WiFi(), enabled, network_handler::ErrorCallback());
base::RunLoop().RunUntilIdle();
}
void VerifyDisconnectionNotYetHandled() {
EXPECT_EQ(
std::string(),
fake_network_configuration_remover_->last_removed_wifi_network_path());
EXPECT_EQ(
std::vector<std::string>(),
fake_disconnect_tethering_request_sender_->device_ids_sent_requests());
EXPECT_EQ(ActiveHost::ActiveHostStatus::CONNECTED,
fake_active_host_->GetActiveHostStatus());
EXPECT_EQ(nullptr, fake_tether_session_completion_logger_
->last_session_completion_reason());
}
void VerifyDisconnectionHandled(
const TetherSessionCompletionLogger::SessionCompletionReason reason) {
EXPECT_EQ(
wifi_service_path_,
fake_network_configuration_remover_->last_removed_wifi_network_path());
EXPECT_EQ(
std::vector<std::string>{kDeviceId},
fake_disconnect_tethering_request_sender_->device_ids_sent_requests());
EXPECT_EQ(ActiveHost::ActiveHostStatus::DISCONNECTED,
fake_active_host_->GetActiveHostStatus());
EXPECT_EQ(reason, *fake_tether_session_completion_logger_
->last_session_completion_reason());
}
const base::test::TaskEnvironment task_environment_;
NetworkStateTestHelper helper_{/*use_default_devices_and_services=*/true};
std::string wifi_service_path_;
std::unique_ptr<FakeActiveHost> fake_active_host_;
std::unique_ptr<FakeDisconnectTetheringRequestSender>
fake_disconnect_tethering_request_sender_;
std::unique_ptr<FakeTetherSessionCompletionLogger>
fake_tether_session_completion_logger_;
std::unique_ptr<FakeNetworkConfigurationRemover>
fake_network_configuration_remover_;
scoped_refptr<base::TestSimpleTaskRunner> test_task_runner_;
std::unique_ptr<TetherNetworkDisconnectionHandler> handler_;
};
TEST_F(TetherNetworkDisconnectionHandlerTest,
TestConnectAndDisconnect_WiFiEnabled) {
SetWiFiTechnologyStateEnabled(true);
// Connect to the network. |handler_| should start tracking the connection.
fake_active_host_->SetActiveHostConnecting(kDeviceId, kTetherNetworkGuid);
fake_active_host_->SetActiveHostConnected(kDeviceId, kTetherNetworkGuid,
kWifiNetworkGuid);
// Now, disconnect the Wi-Fi network. This should result in
// |fake_active_host_| becoming disconnected.
NotifyDisconnected();
// Should not be handled until the handler task is run.
VerifyDisconnectionNotYetHandled();
test_task_runner_->RunUntilIdle();
VerifyDisconnectionHandled(TetherSessionCompletionLogger::
SessionCompletionReason::CONNECTION_DROPPED);
}
TEST_F(TetherNetworkDisconnectionHandlerTest,
TestConnectAndDisconnect_WiFiDisabled) {
SetWiFiTechnologyStateEnabled(true);
// Connect to the network. |handler_| should start tracking the connection.
fake_active_host_->SetActiveHostConnecting(kDeviceId, kTetherNetworkGuid);
fake_active_host_->SetActiveHostConnected(kDeviceId, kTetherNetworkGuid,
kWifiNetworkGuid);
// Now, simulate Wi-Fi being disabled.
SetWiFiTechnologyStateEnabled(false);
std::unique_ptr<NetworkState> network =
std::make_unique<NetworkState>(wifi_service_path_);
network->SetGuid(kWifiNetworkGuid);
handler_->NetworkConnectionStateChanged(network.get());
// Should not be handled until the handler task is run.
VerifyDisconnectionNotYetHandled();
test_task_runner_->RunUntilIdle();
VerifyDisconnectionHandled(
TetherSessionCompletionLogger::SessionCompletionReason::WIFI_DISABLED);
}
} // namespace tether
} // namespace ash
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