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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/ftl_signaling_connector.h"
#include <memory>
#include "base/test/mock_callback.h"
#include "base/test/task_environment.h"
#include "remoting/signaling/fake_signal_strategy.h"
#include "remoting/signaling/signaling_address.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
namespace {
using testing::_;
constexpr char kLocalFtlId[] = "local_user@domain.com/chromoting_ftl_abc123";
} // namespace
class FtlSignalingConnectorTest : public testing::Test {
public:
FtlSignalingConnectorTest() {
signal_strategy_.SimulateTwoStageConnect();
signal_strategy_.Disconnect();
signaling_connector_ = std::make_unique<FtlSignalingConnector>(
&signal_strategy_, auth_failed_callback_.Get());
}
~FtlSignalingConnectorTest() override {
task_environment_.FastForwardUntilNoTasksRemain();
}
protected:
const net::BackoffEntry& GetBackoff() {
return signaling_connector_->backoff_;
}
const base::OneShotTimer& GetBackoffResetTimer() {
return signaling_connector_->backoff_reset_timer_;
}
base::test::TaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
FakeSignalStrategy signal_strategy_{SignalingAddress(kLocalFtlId)};
base::MockCallback<base::OnceClosure> auth_failed_callback_;
std::unique_ptr<FtlSignalingConnector> signaling_connector_;
};
TEST_F(FtlSignalingConnectorTest, StartAndSucceed) {
signaling_connector_->Start();
task_environment_.FastForwardUntilNoTasksRemain();
ASSERT_EQ(SignalStrategy::CONNECTING, signal_strategy_.GetState());
signal_strategy_.ProceedConnect();
ASSERT_EQ(SignalStrategy::CONNECTED, signal_strategy_.GetState());
ASSERT_TRUE(GetBackoffResetTimer().IsRunning());
}
TEST_F(FtlSignalingConnectorTest, StartAndAuthFailed) {
signaling_connector_->Start();
task_environment_.FastForwardUntilNoTasksRemain();
ASSERT_EQ(SignalStrategy::CONNECTING, signal_strategy_.GetState());
signal_strategy_.SetIsSignInError(true);
signal_strategy_.SetError(SignalStrategy::AUTHENTICATION_FAILED);
EXPECT_CALL(auth_failed_callback_, Run()).Times(1);
signal_strategy_.Disconnect();
}
TEST_F(FtlSignalingConnectorTest, StartAndFailedThenRetryAndSucceeded) {
ASSERT_EQ(0, GetBackoff().failure_count());
signaling_connector_->Start();
task_environment_.FastForwardUntilNoTasksRemain();
ASSERT_EQ(SignalStrategy::CONNECTING, signal_strategy_.GetState());
signal_strategy_.SetError(SignalStrategy::NETWORK_ERROR);
signal_strategy_.Disconnect();
ASSERT_EQ(1, GetBackoff().failure_count());
task_environment_.FastForwardBy(GetBackoff().GetTimeUntilRelease());
ASSERT_EQ(SignalStrategy::CONNECTING, signal_strategy_.GetState());
signal_strategy_.ProceedConnect();
// Failure count is not reset immediately.
ASSERT_EQ(1, GetBackoff().failure_count());
// Failure count is eventually reset to 0.
task_environment_.FastForwardUntilNoTasksRemain();
ASSERT_EQ(0, GetBackoff().failure_count());
}
TEST_F(FtlSignalingConnectorTest,
StartAndImmediatelyDisconnected_RetryWithBackoff) {
ASSERT_EQ(0, GetBackoff().failure_count());
signaling_connector_->Start();
task_environment_.FastForwardUntilNoTasksRemain();
ASSERT_EQ(SignalStrategy::CONNECTING, signal_strategy_.GetState());
signal_strategy_.ProceedConnect();
ASSERT_EQ(0, GetBackoff().failure_count());
signal_strategy_.Disconnect();
ASSERT_EQ(1, GetBackoff().failure_count());
task_environment_.FastForwardBy(GetBackoff().GetTimeUntilRelease());
ASSERT_EQ(SignalStrategy::CONNECTING, signal_strategy_.GetState());
signal_strategy_.ProceedConnect();
// Failure count is not reset immediately.
ASSERT_EQ(1, GetBackoff().failure_count());
// Failure count is eventually reset to 0.
task_environment_.FastForwardUntilNoTasksRemain();
ASSERT_EQ(0, GetBackoff().failure_count());
}
TEST_F(FtlSignalingConnectorTest, AutoConnectOnNetworkChange) {
signaling_connector_->OnNetworkChanged(
net::NetworkChangeNotifier::CONNECTION_ETHERNET);
// Reconnection starts with some delay.
ASSERT_EQ(SignalStrategy::DISCONNECTED, signal_strategy_.GetState());
task_environment_.FastForwardUntilNoTasksRemain();
ASSERT_EQ(SignalStrategy::CONNECTING, signal_strategy_.GetState());
}
} // namespace remoting
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