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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/crash_recovery_manager_impl.h"
#include <memory>
#include <sstream>
#include "base/functional/bind.h"
#include "base/test/task_environment.h"
#include "chromeos/ash/components/multidevice/remote_device_test_util.h"
#include "chromeos/ash/components/network/network_state_handler.h"
#include "chromeos/ash/components/network/network_state_test_helper.h"
#include "chromeos/ash/components/tether/device_id_tether_network_guid_map.h"
#include "chromeos/ash/components/tether/fake_active_host.h"
#include "chromeos/ash/components/tether/fake_host_scan_cache.h"
#include "chromeos/ash/components/tether/host_scan_cache_entry.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/shill/dbus-constants.h"
namespace ash {
namespace tether {
namespace {
constexpr char kWifiNetworkGuid[] = "wifiNetworkGuid";
std::string CreateConfigurationJsonString(bool is_connected) {
std::string connection_state =
is_connected ? shill::kStateOnline : shill::kStateIdle;
std::stringstream ss;
ss << "{"
<< " \"GUID\": \"" << kWifiNetworkGuid << "\","
<< " \"Type\": \"" << shill::kTypeWifi << "\","
<< " \"State\": \"" << connection_state << "\""
<< "}";
return ss.str();
}
} // namespace
class CrashRecoveryManagerImplTest : public testing::Test {
public:
CrashRecoveryManagerImplTest(const CrashRecoveryManagerImplTest&) = delete;
CrashRecoveryManagerImplTest& operator=(const CrashRecoveryManagerImplTest&) =
delete;
protected:
CrashRecoveryManagerImplTest()
: test_device_(multidevice::CreateRemoteDeviceRefListForTest(1u)[0]) {}
~CrashRecoveryManagerImplTest() override = default;
void SetUp() override {
helper_.network_state_handler()->SetTetherTechnologyState(
NetworkStateHandler::TECHNOLOGY_ENABLED);
is_restoration_finished_ = false;
fake_active_host_ = std::make_unique<FakeActiveHost>();
fake_host_scan_cache_ = std::make_unique<FakeHostScanCache>();
crash_recovery_manager_ = CrashRecoveryManagerImpl::Factory::Create(
helper_.network_state_handler(), fake_active_host_.get(),
fake_host_scan_cache_.get());
device_id_tether_network_guid_map_ =
std::make_unique<DeviceIdTetherNetworkGuidMap>();
}
void TearDown() override {}
std::string GetTetherNetworkGuid() {
return device_id_tether_network_guid_map_->GetTetherNetworkGuidForDeviceId(
test_device_.GetDeviceId());
}
void SetConnected() {
fake_active_host_->SetActiveHostConnected(
test_device_.GetDeviceId(), GetTetherNetworkGuid(), kWifiNetworkGuid);
}
void AddScanEntry() {
fake_host_scan_cache_->SetHostScanResult(
*HostScanCacheEntry::Builder()
.SetTetherNetworkGuid(GetTetherNetworkGuid())
.SetDeviceName("deviceName")
.SetCarrier("carrier")
.SetBatteryPercentage(100)
.SetSignalStrength(100)
.SetSetupRequired(false)
.Build());
helper_.network_state_handler()->AddTetherNetworkState(
GetTetherNetworkGuid(), "deviceName", "carrier",
100 /* battery_percentage */, 100 /* signal_strength */,
false /* has_connected_to_host */);
}
void AddWifiNetwork(bool is_connected) {
helper_.ConfigureService(CreateConfigurationJsonString(is_connected));
}
void StartRestoration() {
crash_recovery_manager_->RestorePreCrashStateIfNecessary(
base::BindOnce(&CrashRecoveryManagerImplTest::OnRestorationFinished,
base::Unretained(this)));
}
void OnRestorationFinished() { is_restoration_finished_ = true; }
void VerifyDisconnectedAfterRestoration() {
EXPECT_TRUE(is_restoration_finished_);
EXPECT_EQ(ActiveHost::ActiveHostStatus::DISCONNECTED,
fake_active_host_->GetActiveHostStatus());
}
base::test::TaskEnvironment task_environment_;
NetworkStateTestHelper helper_{/*use_default_devices_and_services=*/true};
const multidevice::RemoteDeviceRef test_device_;
std::unique_ptr<FakeActiveHost> fake_active_host_;
std::unique_ptr<FakeHostScanCache> fake_host_scan_cache_;
// TODO(hansberry): Use a fake for this when a real mapping scheme is created.
std::unique_ptr<DeviceIdTetherNetworkGuidMap>
device_id_tether_network_guid_map_;
bool is_restoration_finished_;
std::unique_ptr<CrashRecoveryManager> crash_recovery_manager_;
};
TEST_F(CrashRecoveryManagerImplTest, ActiveHostDisconnected) {
StartRestoration();
VerifyDisconnectedAfterRestoration();
}
TEST_F(CrashRecoveryManagerImplTest, ActiveHostConnecting) {
fake_active_host_->SetActiveHostConnecting(test_device_.GetDeviceId(),
GetTetherNetworkGuid());
StartRestoration();
VerifyDisconnectedAfterRestoration();
}
TEST_F(CrashRecoveryManagerImplTest, ActiveHostConnected_EntryNotInCache) {
SetConnected();
StartRestoration();
VerifyDisconnectedAfterRestoration();
}
TEST_F(CrashRecoveryManagerImplTest, ActiveHostConnected_WifiNetworkMissing) {
AddScanEntry();
SetConnected();
StartRestoration();
VerifyDisconnectedAfterRestoration();
}
TEST_F(CrashRecoveryManagerImplTest,
ActiveHostConnected_WifiNetworkDisconnected) {
AddScanEntry();
AddWifiNetwork(false /* is_connected */);
SetConnected();
StartRestoration();
VerifyDisconnectedAfterRestoration();
}
TEST_F(CrashRecoveryManagerImplTest, ActiveHostConnected_RestoreSuccessful) {
AddScanEntry();
AddWifiNetwork(true /* is_connected */);
SetConnected();
StartRestoration();
EXPECT_TRUE(is_restoration_finished_);
EXPECT_EQ(ActiveHost::ActiveHostStatus::CONNECTED,
fake_active_host_->GetActiveHostStatus());
}
} // namespace tether
} // namespace ash
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