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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 "remoting/host/desktop_session_agent.h"
#include <memory>
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/location.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/bind.h"
#include "base/test/task_environment.h"
#include "ipc/ipc_channel_proxy.h"
#include "ipc/ipc_listener.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "remoting/base/auto_thread_task_runner.h"
#include "remoting/host/base/desktop_environment_options.h"
#include "remoting/host/base/screen_resolution.h"
#include "remoting/host/fake_desktop_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
namespace {
class FakeDelegate : public DesktopSessionAgent::Delegate {
public:
FakeDelegate(scoped_refptr<base::SingleThreadTaskRunner> runner);
~FakeDelegate() override = default;
DesktopEnvironmentFactory& desktop_environment_factory() override {
return factory_;
}
void OnNetworkProcessDisconnected() override {}
void CrashNetworkProcess(const base::Location& location) override {}
base::WeakPtr<Delegate> GetWeakPtr() { return weak_ptr_.GetWeakPtr(); }
private:
FakeDesktopEnvironmentFactory factory_;
base::WeakPtrFactory<FakeDelegate> weak_ptr_{this};
};
FakeDelegate::FakeDelegate(scoped_refptr<base::SingleThreadTaskRunner> runner)
: factory_(runner) {}
class FakeListener : public IPC::Listener {
public:
explicit FakeListener(base::RepeatingClosure action_after_received)
: action_after_received_(action_after_received) {}
~FakeListener() override = default;
private:
// IPC::Listener implementation.
bool OnMessageReceived(const IPC::Message& message) override;
void OnAssociatedInterfaceRequest(
const std::string& interface_name,
mojo::ScopedInterfaceEndpointHandle handle) override;
const base::RepeatingClosure action_after_received_;
};
bool FakeListener::OnMessageReceived(const IPC::Message& message) {
return false;
}
void FakeListener::OnAssociatedInterfaceRequest(
const std::string& interface_name,
mojo::ScopedInterfaceEndpointHandle handle) {
EXPECT_EQ(mojom::DesktopSessionEventHandler::Name_, interface_name);
action_after_received_.Run();
}
} // namespace
class DesktopSessionAgentTest : public ::testing::Test {
public:
DesktopSessionAgentTest();
~DesktopSessionAgentTest() override = default;
void Shutdown();
protected:
base::test::SingleThreadTaskEnvironment task_environment_;
base::RunLoop run_loop_;
scoped_refptr<AutoThreadTaskRunner> task_runner_;
scoped_refptr<DesktopSessionAgent> agent_;
};
DesktopSessionAgentTest::DesktopSessionAgentTest()
: task_runner_(
new AutoThreadTaskRunner(task_environment_.GetMainThreadTaskRunner(),
run_loop_.QuitClosure())),
agent_(new DesktopSessionAgent(task_runner_,
task_runner_,
task_runner_,
task_runner_)) {}
void DesktopSessionAgentTest::Shutdown() {
task_runner_ = nullptr;
agent_->Stop();
agent_ = nullptr;
}
TEST_F(DesktopSessionAgentTest, StartDesktopSessionAgent) {
std::unique_ptr<FakeDelegate> delegate(new FakeDelegate(task_runner_));
std::unique_ptr<IPC::ChannelProxy> proxy;
bool session_started = false;
FakeListener listener(base::BindLambdaForTesting([&]() {
session_started = true;
Shutdown();
delegate.reset();
proxy.reset();
}));
proxy = IPC::ChannelProxy::Create(
agent_->Initialize(delegate->GetWeakPtr()).release(),
IPC::Channel::MODE_CLIENT, &listener, task_runner_,
base::SingleThreadTaskRunner::GetCurrentDefault());
mojo::AssociatedRemote<mojom::DesktopSessionAgent> desktop_session_agent;
proxy->GetRemoteAssociatedInterface(&desktop_session_agent);
// Let the IPC machinery finish up the interface request before using it.
task_environment_.RunUntilIdle();
bool remote_received = false;
desktop_session_agent->Start(
"jid", ScreenResolution(), DesktopEnvironmentOptions(),
base::BindLambdaForTesting(
[&](mojo::PendingAssociatedRemote<mojom::DesktopSessionControl>
pending_remote) {
// Indicate that we received the desktop_session_control remote.
remote_received = true;
// Release any references to the other IPC classes.
desktop_session_agent.reset();
}));
run_loop_.Run();
ASSERT_TRUE(remote_received);
ASSERT_TRUE(session_started);
}
} // namespace remoting
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