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// Copyright 2015 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/proximity_auth/remote_device_life_cycle_impl.h"
#include <stddef.h>
#include <memory>
#include <utility>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/test_simple_task_runner.h"
#include "chromeos/ash/components/multidevice/remote_device_ref.h"
#include "chromeos/ash/components/multidevice/remote_device_test_util.h"
#include "chromeos/ash/components/proximity_auth/messenger.h"
#include "chromeos/ash/services/secure_channel/public/cpp/client/fake_client_channel.h"
#include "chromeos/ash/services/secure_channel/public/cpp/client/fake_connection_attempt.h"
#include "chromeos/ash/services/secure_channel/public/cpp/client/fake_secure_channel_client.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
using testing::Mock;
using testing::NiceMock;
using testing::Return;
using testing::StrictMock;
namespace proximity_auth {
namespace {
// Subclass of RemoteDeviceLifeCycleImpl to make it testable.
class TestableRemoteDeviceLifeCycleImpl : public RemoteDeviceLifeCycleImpl {
public:
TestableRemoteDeviceLifeCycleImpl(
ash::multidevice::RemoteDeviceRef remote_device,
std::optional<ash::multidevice::RemoteDeviceRef> local_device,
ash::secure_channel::SecureChannelClient* secure_channel_client)
: RemoteDeviceLifeCycleImpl(remote_device,
local_device,
secure_channel_client),
remote_device_(remote_device) {}
TestableRemoteDeviceLifeCycleImpl(const TestableRemoteDeviceLifeCycleImpl&) =
delete;
TestableRemoteDeviceLifeCycleImpl& operator=(
const TestableRemoteDeviceLifeCycleImpl&) = delete;
~TestableRemoteDeviceLifeCycleImpl() override {}
private:
const ash::multidevice::RemoteDeviceRef remote_device_;
};
} // namespace
class ProximityAuthRemoteDeviceLifeCycleImplTest
: public testing::Test,
public RemoteDeviceLifeCycle::Observer {
public:
ProximityAuthRemoteDeviceLifeCycleImplTest(
const ProximityAuthRemoteDeviceLifeCycleImplTest&) = delete;
ProximityAuthRemoteDeviceLifeCycleImplTest& operator=(
const ProximityAuthRemoteDeviceLifeCycleImplTest&) = delete;
protected:
ProximityAuthRemoteDeviceLifeCycleImplTest()
: test_remote_device_(ash::multidevice::CreateRemoteDeviceRefForTest()),
test_local_device_(ash::multidevice::CreateRemoteDeviceRefForTest()),
fake_secure_channel_client_(
std::make_unique<ash::secure_channel::FakeSecureChannelClient>()),
life_cycle_(test_remote_device_,
test_local_device_,
fake_secure_channel_client_.get()),
task_runner_(new base::TestSimpleTaskRunner()),
thread_task_runner_current_default_handle_(task_runner_) {}
~ProximityAuthRemoteDeviceLifeCycleImplTest() override {
life_cycle_.RemoveObserver(this);
}
void CreateFakeConnectionAttempt() {
auto fake_connection_attempt =
std::make_unique<ash::secure_channel::FakeConnectionAttempt>();
fake_connection_attempt_ = fake_connection_attempt.get();
fake_secure_channel_client_->set_next_listen_connection_attempt(
test_remote_device_, test_local_device_,
std::move(fake_connection_attempt));
}
void StartLifeCycle() {
EXPECT_EQ(RemoteDeviceLifeCycle::State::STOPPED, life_cycle_.GetState());
life_cycle_.AddObserver(this);
EXPECT_CALL(*this, OnLifeCycleStateChanged(
RemoteDeviceLifeCycle::State::STOPPED,
RemoteDeviceLifeCycle::State::FINDING_CONNECTION));
life_cycle_.Start();
task_runner_->RunUntilIdle();
Mock::VerifyAndClearExpectations(this);
EXPECT_EQ(RemoteDeviceLifeCycle::State::FINDING_CONNECTION,
life_cycle_.GetState());
}
void SimulateSuccessfulAuthenticatedConnection() {
EXPECT_EQ(RemoteDeviceLifeCycle::State::FINDING_CONNECTION,
life_cycle_.GetState());
EXPECT_CALL(*this, OnLifeCycleStateChanged(
RemoteDeviceLifeCycle::State::FINDING_CONNECTION,
RemoteDeviceLifeCycle::State::AUTHENTICATING));
auto fake_client_channel =
std::make_unique<ash::secure_channel::FakeClientChannel>();
auto* fake_client_channel_raw = fake_client_channel.get();
fake_connection_attempt_->NotifyConnection(std::move(fake_client_channel));
Mock::VerifyAndClearExpectations(this);
EXPECT_CALL(*this,
OnLifeCycleStateChanged(
RemoteDeviceLifeCycle::State::AUTHENTICATING,
RemoteDeviceLifeCycle::State::SECURE_CHANNEL_ESTABLISHED));
task_runner_->RunUntilIdle();
EXPECT_EQ(fake_client_channel_raw, life_cycle_.GetChannel());
EXPECT_EQ(fake_client_channel_raw,
life_cycle_.GetMessenger()->GetChannel());
}
void SimulateFailureToAuthenticateConnection(
ash::secure_channel::mojom::ConnectionAttemptFailureReason failure_reason,
RemoteDeviceLifeCycle::State expected_life_cycle_state) {
EXPECT_EQ(RemoteDeviceLifeCycle::State::FINDING_CONNECTION,
life_cycle_.GetState());
EXPECT_CALL(*this, OnLifeCycleStateChanged(
RemoteDeviceLifeCycle::State::FINDING_CONNECTION,
expected_life_cycle_state));
fake_connection_attempt_->NotifyConnectionAttemptFailure(failure_reason);
EXPECT_EQ(nullptr, life_cycle_.GetChannel());
EXPECT_EQ(nullptr, life_cycle_.GetMessenger());
EXPECT_EQ(expected_life_cycle_state, life_cycle_.GetState());
}
MOCK_METHOD2(OnLifeCycleStateChanged,
void(RemoteDeviceLifeCycle::State old_state,
RemoteDeviceLifeCycle::State new_state));
ash::multidevice::RemoteDeviceRef test_remote_device_;
ash::multidevice::RemoteDeviceRef test_local_device_;
std::unique_ptr<ash::secure_channel::FakeSecureChannelClient>
fake_secure_channel_client_;
TestableRemoteDeviceLifeCycleImpl life_cycle_;
raw_ptr<ash::secure_channel::FakeConnectionAttempt, DanglingUntriaged>
fake_connection_attempt_;
scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
base::SingleThreadTaskRunner::CurrentDefaultHandle
thread_task_runner_current_default_handle_;
base::test::ScopedFeatureList scoped_feature_list_;
};
TEST_F(ProximityAuthRemoteDeviceLifeCycleImplTest,
MultiDeviceApiEnabled_Success) {
CreateFakeConnectionAttempt();
StartLifeCycle();
SimulateSuccessfulAuthenticatedConnection();
}
TEST_F(ProximityAuthRemoteDeviceLifeCycleImplTest,
MultiDeviceApiEnabled_Failure) {
CreateFakeConnectionAttempt();
StartLifeCycle();
SimulateFailureToAuthenticateConnection(
ash::secure_channel::mojom::ConnectionAttemptFailureReason::
AUTHENTICATION_ERROR /* failure_reason */,
RemoteDeviceLifeCycle::State::
AUTHENTICATION_FAILED /* expected_life_cycle_state */);
}
TEST_F(ProximityAuthRemoteDeviceLifeCycleImplTest,
MultiDeviceApiEnabled_Failure_BluetoothNotPresent) {
CreateFakeConnectionAttempt();
StartLifeCycle();
SimulateFailureToAuthenticateConnection(
ash::secure_channel::mojom::ConnectionAttemptFailureReason::
ADAPTER_NOT_PRESENT /* failure_reason */,
RemoteDeviceLifeCycle::State::STOPPED /* expected_life_cycle_state */);
}
TEST_F(ProximityAuthRemoteDeviceLifeCycleImplTest,
MultiDeviceApiEnabled_Failure_BluetoothNotPowered) {
CreateFakeConnectionAttempt();
StartLifeCycle();
SimulateFailureToAuthenticateConnection(
ash::secure_channel::mojom::ConnectionAttemptFailureReason::
ADAPTER_DISABLED /* failure_reason */,
RemoteDeviceLifeCycle::State::STOPPED /* expected_life_cycle_state */);
}
} // namespace proximity_auth
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