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// Copyright 2024 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/secure_channel_host_connection.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "base/test/test_future.h"
#include "chromeos/ash/components/multidevice/remote_device_test_util.h"
#include "chromeos/ash/components/tether/fake_tether_host_fetcher.h"
#include "chromeos/ash/services/device_sync/public/cpp/fake_device_sync_client.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/gtest/include/gtest/gtest.h"
namespace ash::tether {
namespace {
class FakeHostConnectionPayloadListener
: public HostConnection::PayloadListener {
public:
~FakeHostConnectionPayloadListener() override = default;
// HostConnection::PayloadListener:
void OnMessageReceived(std::unique_ptr<MessageWrapper> message) override {
received_messages_.push_back(std::move(message));
}
std::vector<std::unique_ptr<MessageWrapper>> received_messages_;
};
} // namespace
class SecureChannelHostConnectionTest : public testing::Test {
public:
SecureChannelHostConnectionTest(const SecureChannelHostConnectionTest&) =
delete;
SecureChannelHostConnectionTest& operator=(
const SecureChannelHostConnectionTest&) = delete;
void OnSend() { message_sent_ = true; }
protected:
SecureChannelHostConnectionTest()
: fake_local_device_(multidevice::RemoteDeviceRefBuilder()
.SetPublicKey("local device")
.Build()),
fake_remote_device_(multidevice::RemoteDeviceRefBuilder()
.SetPublicKey("remote device")
.Build()) {}
void SetUp() override {
fake_device_sync_client_ =
std::make_unique<device_sync::FakeDeviceSyncClient>();
fake_device_sync_client_->set_local_device_metadata(fake_local_device_);
fake_device_sync_client_->set_synced_devices(
multidevice::RemoteDeviceRefList{fake_remote_device_});
fake_secure_channel_client_ =
std::make_unique<secure_channel::FakeSecureChannelClient>();
fake_tether_host_fetcher_ =
std::make_unique<FakeTetherHostFetcher>(fake_remote_device_);
fake_host_payload_listener_ =
std::make_unique<FakeHostConnectionPayloadListener>();
host_connection_factory_ =
std::make_unique<SecureChannelHostConnection::Factory>(
fake_device_sync_client_.get(), fake_secure_channel_client_.get(),
fake_tether_host_fetcher_.get());
}
void SetupNextConnectionAttempt(
secure_channel::FakeConnectionAttempt* connection_attempt) {
fake_secure_channel_client_->set_next_listen_connection_attempt(
fake_remote_device_, fake_local_device_,
base::WrapUnique<secure_channel::ConnectionAttempt>(
connection_attempt));
}
bool message_sent_ = false;
const multidevice::RemoteDeviceRef fake_local_device_;
const multidevice::RemoteDeviceRef fake_remote_device_;
std::unique_ptr<secure_channel::FakeSecureChannelClient>
fake_secure_channel_client_;
std::unique_ptr<device_sync::FakeDeviceSyncClient> fake_device_sync_client_;
std::unique_ptr<FakeTetherHostFetcher> fake_tether_host_fetcher_;
std::unique_ptr<FakeHostConnectionPayloadListener>
fake_host_payload_listener_;
std::unique_ptr<SecureChannelHostConnection::Factory>
host_connection_factory_;
base::test::TaskEnvironment task_environment_;
base::WeakPtrFactory<SecureChannelHostConnectionTest> weak_ptr_factory_{this};
};
TEST_F(SecureChannelHostConnectionTest, TestDoesCreateConnectionByDeviceId) {
// Create a connection attempt.
auto* fake_connection_attempt = new secure_channel::FakeConnectionAttempt();
SetupNextConnectionAttempt(fake_connection_attempt);
base::test::TestFuture<std::unique_ptr<HostConnection>> future;
// Create a host connection by device ID.
host_connection_factory_->ScanForTetherHostAndCreateConnection(
fake_remote_device_.GetDeviceId(),
HostConnection::Factory::ConnectionPriority::kLow,
fake_host_payload_listener_.get(), base::DoNothing(),
future.GetCallback());
// Finish the connection attempt.
fake_connection_attempt->NotifyConnection(
std::make_unique<secure_channel::FakeClientChannel>());
// Expect the connection is now connected.
EXPECT_TRUE(future.Get());
}
TEST_F(SecureChannelHostConnectionTest,
TestDoesFailWhenConnectionAttemptFails) {
// Create a connection attempt.
auto* fake_connection_attempt = new secure_channel::FakeConnectionAttempt();
SetupNextConnectionAttempt(fake_connection_attempt);
base::test::TestFuture<std::unique_ptr<HostConnection>> future;
// Create a host connection by device ID.
host_connection_factory_->ScanForTetherHostAndCreateConnection(
fake_remote_device_.GetDeviceId(),
HostConnection::Factory::ConnectionPriority::kLow,
fake_host_payload_listener_.get(), base::DoNothing(),
future.GetCallback());
// Finish the connection attempt.
fake_connection_attempt->NotifyConnectionAttemptFailure(
ash::secure_channel::mojom::ConnectionAttemptFailureReason::
AUTHENTICATION_ERROR);
// Expect the connection is now connected.
EXPECT_FALSE(future.Get());
}
TEST_F(SecureChannelHostConnectionTest, TestDoesSendMessage) {
// Create a connection attempt.
auto* fake_connection_attempt = new secure_channel::FakeConnectionAttempt();
SetupNextConnectionAttempt(fake_connection_attempt);
// Setup client channel.
secure_channel::FakeClientChannel* fake_client_channel =
new secure_channel::FakeClientChannel();
base::test::TestFuture<std::unique_ptr<HostConnection>> future;
// Create the connection.
host_connection_factory_->Create(
TetherHost(fake_remote_device_),
HostConnection::Factory::ConnectionPriority::kLow,
fake_host_payload_listener_.get(), base::DoNothing(),
future.GetCallback());
// Finish the connection.
fake_connection_attempt->NotifyConnection(
base::WrapUnique(fake_client_channel));
// Send the message.
auto message = std::make_unique<MessageWrapper>(TetherAvailabilityResponse());
std::string expected_payload = message->ToRawMessage();
future.Get()->SendMessage(
std::move(message),
base::BindOnce(&SecureChannelHostConnectionTest::OnSend,
weak_ptr_factory_.GetWeakPtr()));
base::RunLoop().RunUntilIdle();
// Expect the message was sent.
std::vector<std::pair<std::string, base::OnceClosure>>& sent_messages =
fake_client_channel->sent_messages();
EXPECT_EQ(1u, sent_messages.size());
EXPECT_EQ(expected_payload, sent_messages[0].first);
// Fire the callback - expect the delegate is notified of the message send.
std::move(sent_messages[0].second).Run();
EXPECT_TRUE(message_sent_);
}
TEST_F(SecureChannelHostConnectionTest, TestDoesReceiveMessage) {
// Create a connection attempt.
auto* fake_connection_attempt = new secure_channel::FakeConnectionAttempt();
SetupNextConnectionAttempt(fake_connection_attempt);
// Setup client channel.
secure_channel::FakeClientChannel* fake_client_channel =
new secure_channel::FakeClientChannel();
base::test::TestFuture<std::unique_ptr<HostConnection>> future;
// Create the connection.
host_connection_factory_->Create(
TetherHost(fake_remote_device_),
HostConnection::Factory::ConnectionPriority::kLow,
fake_host_payload_listener_.get(), base::DoNothing(),
future.GetCallback());
// Finish the connection.
fake_connection_attempt->NotifyConnection(
base::WrapUnique(fake_client_channel));
EXPECT_TRUE(future.Wait());
std::unique_ptr<MessageWrapper> message =
std::make_unique<MessageWrapper>(TetherAvailabilityResponse());
fake_client_channel->NotifyMessageReceived(message->ToRawMessage());
base::RunLoop().RunUntilIdle();
EXPECT_EQ(1u, fake_host_payload_listener_->received_messages_.size());
EXPECT_EQ(message->ToRawMessage(),
fake_host_payload_listener_->received_messages_[0]->ToRawMessage());
}
TEST_F(SecureChannelHostConnectionTest, TestDoesSendDisconnection) {
// Create a connection attempt.
auto* fake_connection_attempt = new secure_channel::FakeConnectionAttempt();
SetupNextConnectionAttempt(fake_connection_attempt);
// Setup client channel.
secure_channel::FakeClientChannel* fake_client_channel =
new secure_channel::FakeClientChannel();
base::test::TestFuture<std::unique_ptr<HostConnection>> future;
base::test::TestFuture<void> disconnection_callback;
// Create the connection.
host_connection_factory_->Create(
TetherHost(fake_remote_device_),
HostConnection::Factory::ConnectionPriority::kLow,
fake_host_payload_listener_.get(), disconnection_callback.GetCallback(),
future.GetCallback());
// Finish the connection.
fake_connection_attempt->NotifyConnection(
base::WrapUnique(fake_client_channel));
EXPECT_TRUE(future.Wait());
fake_client_channel->NotifyDisconnected();
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(disconnection_callback.Wait());
}
} // namespace ash::tether
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