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// Copyright 2012 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/daemon_process.h"
#include <stdint.h>
#include <memory>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/location.h"
#include "base/memory/ptr_util.h"
#include "base/memory/ref_counted.h"
#include "base/process/process.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/task_environment.h"
#include "mojo/public/cpp/system/message_pipe.h"
#include "remoting/base/auto_thread_task_runner.h"
#include "remoting/host/desktop_session.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
using testing::AnyNumber;
using testing::InSequence;
using testing::Invoke;
namespace remoting {
namespace {
// Provides a public constructor allowing the test to create instances of
// DesktopSession directly.
class FakeDesktopSession : public DesktopSession {
public:
FakeDesktopSession(DaemonProcess* daemon_process, int id);
FakeDesktopSession(const FakeDesktopSession&) = delete;
FakeDesktopSession& operator=(const FakeDesktopSession&) = delete;
~FakeDesktopSession() override;
void SetScreenResolution(const ScreenResolution& resolution) override {}
};
class MockDaemonProcess : public DaemonProcess {
public:
MockDaemonProcess(scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
scoped_refptr<AutoThreadTaskRunner> io_task_runner,
base::OnceClosure stopped_callback);
MockDaemonProcess(const MockDaemonProcess&) = delete;
MockDaemonProcess& operator=(const MockDaemonProcess&) = delete;
~MockDaemonProcess() override;
std::unique_ptr<DesktopSession> DoCreateDesktopSession(
int terminal_id,
const ScreenResolution& resolution,
bool virtual_terminal) override;
MOCK_METHOD(bool,
OnDesktopSessionAgentAttached,
(int, int, mojo::ScopedMessagePipeHandle),
(override));
MOCK_METHOD(DesktopSession*, DoCreateDesktopSessionPtr, (int));
MOCK_METHOD(void, DoCrashNetworkProcess, (const base::Location&), (override));
MOCK_METHOD(void, LaunchNetworkProcess, (), (override));
MOCK_METHOD(void,
SendHostConfigToNetworkProcess,
(const std::string&),
(override));
MOCK_METHOD(void, SendTerminalDisconnected, (int terminal_id), (override));
MOCK_METHOD(void, StartChromotingHostServices, (), (override));
};
FakeDesktopSession::FakeDesktopSession(DaemonProcess* daemon_process, int id)
: DesktopSession(daemon_process, id) {}
FakeDesktopSession::~FakeDesktopSession() = default;
MockDaemonProcess::MockDaemonProcess(
scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
scoped_refptr<AutoThreadTaskRunner> io_task_runner,
base::OnceClosure stopped_callback)
: DaemonProcess(caller_task_runner,
io_task_runner,
std::move(stopped_callback)) {}
MockDaemonProcess::~MockDaemonProcess() = default;
std::unique_ptr<DesktopSession> MockDaemonProcess::DoCreateDesktopSession(
int terminal_id,
const ScreenResolution& resolution,
bool virtual_terminal) {
return base::WrapUnique(DoCreateDesktopSessionPtr(terminal_id));
}
} // namespace
class DaemonProcessTest : public testing::Test {
public:
DaemonProcessTest();
~DaemonProcessTest() override;
void SetUp() override;
void TearDown() override;
// DaemonProcess mocks
DesktopSession* DoCreateDesktopSession(int terminal_id);
void LaunchNetworkProcess();
// Deletes |daemon_process_|.
void DeleteDaemonProcess();
// Quits |message_loop_|.
void QuitMessageLoop();
void StartDaemonProcess();
const DaemonProcess::DesktopSessionList& desktop_sessions() const {
return daemon_process_->desktop_sessions();
}
protected:
base::test::TaskEnvironment task_environment_{
base::test::TaskEnvironment::MainThreadType::IO};
std::unique_ptr<MockDaemonProcess> daemon_process_;
int terminal_id_ = 0;
base::RunLoop run_loop_;
};
DaemonProcessTest::DaemonProcessTest() = default;
DaemonProcessTest::~DaemonProcessTest() = default;
void DaemonProcessTest::SetUp() {
scoped_refptr<AutoThreadTaskRunner> task_runner = new AutoThreadTaskRunner(
task_environment_.GetMainThreadTaskRunner(),
base::BindOnce(&DaemonProcessTest::QuitMessageLoop,
base::Unretained(this)));
daemon_process_ = std::make_unique<MockDaemonProcess>(
task_runner, task_runner,
base::BindOnce(&DaemonProcessTest::DeleteDaemonProcess,
base::Unretained(this)));
// Set up daemon process mocks.
EXPECT_CALL(*daemon_process_, DoCreateDesktopSessionPtr(_))
.Times(AnyNumber())
.WillRepeatedly(Invoke(this, &DaemonProcessTest::DoCreateDesktopSession));
EXPECT_CALL(*daemon_process_, DoCrashNetworkProcess(_)).Times(AnyNumber());
EXPECT_CALL(*daemon_process_, LaunchNetworkProcess())
.Times(AnyNumber())
.WillRepeatedly(Invoke(this, &DaemonProcessTest::LaunchNetworkProcess));
EXPECT_CALL(*daemon_process_, StartChromotingHostServices())
.Times(AnyNumber());
}
void DaemonProcessTest::TearDown() {
daemon_process_->Stop();
run_loop_.Run();
}
DesktopSession* DaemonProcessTest::DoCreateDesktopSession(int terminal_id) {
return new FakeDesktopSession(daemon_process_.get(), terminal_id);
}
void DaemonProcessTest::LaunchNetworkProcess() {
terminal_id_ = 0;
daemon_process_->OnChannelConnected(0);
}
void DaemonProcessTest::DeleteDaemonProcess() {
daemon_process_.reset();
}
void DaemonProcessTest::QuitMessageLoop() {
task_environment_.GetMainThreadTaskRunner()->PostTask(
FROM_HERE, run_loop_.QuitWhenIdleClosure());
}
void DaemonProcessTest::StartDaemonProcess() {
// DaemonProcess::Initialize() sets up the config watcher that this test does
// not support. Launch the process directly.
daemon_process_->LaunchNetworkProcess();
}
MATCHER_P(Message, type, "") {
return arg.type() == static_cast<uint32_t>(type);
}
TEST_F(DaemonProcessTest, OpenClose) {
InSequence s;
EXPECT_CALL(*daemon_process_, SendHostConfigToNetworkProcess(_));
EXPECT_CALL(*daemon_process_, SendTerminalDisconnected(_));
StartDaemonProcess();
int id = terminal_id_++;
ScreenResolution resolution;
daemon_process_->CreateDesktopSession(id, resolution, false);
EXPECT_EQ(1u, desktop_sessions().size());
EXPECT_EQ(id, desktop_sessions().front()->id());
daemon_process_->CloseDesktopSession(id);
EXPECT_TRUE(desktop_sessions().empty());
}
TEST_F(DaemonProcessTest, CallCloseDesktopSession) {
InSequence s;
EXPECT_CALL(*daemon_process_, SendHostConfigToNetworkProcess(_));
EXPECT_CALL(*daemon_process_, SendTerminalDisconnected(_));
StartDaemonProcess();
int id = terminal_id_++;
ScreenResolution resolution;
daemon_process_->CreateDesktopSession(id, resolution, false);
EXPECT_EQ(1u, desktop_sessions().size());
EXPECT_EQ(id, desktop_sessions().front()->id());
daemon_process_->CloseDesktopSession(id);
EXPECT_TRUE(desktop_sessions().empty());
}
// Sends two CloseDesktopSession messages and expects the second one to be
// ignored.
TEST_F(DaemonProcessTest, DoubleDisconnectTerminal) {
InSequence s;
EXPECT_CALL(*daemon_process_, SendHostConfigToNetworkProcess(_));
EXPECT_CALL(*daemon_process_, SendTerminalDisconnected(_));
StartDaemonProcess();
int id = terminal_id_++;
ScreenResolution resolution;
daemon_process_->CreateDesktopSession(id, resolution, false);
EXPECT_EQ(1u, desktop_sessions().size());
EXPECT_EQ(id, desktop_sessions().front()->id());
daemon_process_->CloseDesktopSession(id);
EXPECT_TRUE(desktop_sessions().empty());
daemon_process_->CloseDesktopSession(id);
EXPECT_TRUE(desktop_sessions().empty());
}
// Tries to close an invalid terminal ID and expects the network process to be
// restarted.
TEST_F(DaemonProcessTest, InvalidDisconnectTerminal) {
InSequence s;
EXPECT_CALL(*daemon_process_, SendHostConfigToNetworkProcess(_));
EXPECT_CALL(*daemon_process_, DoCrashNetworkProcess(_))
.WillOnce(
InvokeWithoutArgs(this, &DaemonProcessTest::LaunchNetworkProcess));
EXPECT_CALL(*daemon_process_, SendHostConfigToNetworkProcess(_));
StartDaemonProcess();
int id = terminal_id_++;
daemon_process_->CloseDesktopSession(id);
EXPECT_TRUE(desktop_sessions().empty());
EXPECT_EQ(0, terminal_id_);
}
// Tries to open an invalid terminal ID and expects the network process to be
// restarted.
TEST_F(DaemonProcessTest, InvalidConnectTerminal) {
InSequence s;
EXPECT_CALL(*daemon_process_, SendHostConfigToNetworkProcess(_));
EXPECT_CALL(*daemon_process_, DoCrashNetworkProcess(_))
.WillOnce(
InvokeWithoutArgs(this, &DaemonProcessTest::LaunchNetworkProcess));
EXPECT_CALL(*daemon_process_, SendHostConfigToNetworkProcess(_));
StartDaemonProcess();
int id = terminal_id_++;
ScreenResolution resolution;
daemon_process_->CreateDesktopSession(id, resolution, false);
EXPECT_EQ(1u, desktop_sessions().size());
EXPECT_EQ(id, desktop_sessions().front()->id());
daemon_process_->CreateDesktopSession(id, resolution, false);
EXPECT_TRUE(desktop_sessions().empty());
EXPECT_EQ(0, terminal_id_);
}
} // namespace remoting
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