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// Copyright 2013 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/win/rdp_client.h"
#include <cstdint>
#include <memory>
#include <string>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/task_environment.h"
#include "base/uuid.h"
#include "base/win/atl.h"
#include "base/win/scoped_com_initializer.h"
#include "base/win/windows_version.h"
#include "build/build_config.h"
#include "remoting/base/auto_thread_task_runner.h"
#include "remoting/host/base/screen_resolution.h"
#include "remoting/host/win/wts_terminal_monitor.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
using testing::_;
using testing::AtMost;
using testing::InvokeWithoutArgs;
namespace remoting {
namespace {
// Default width, height, and dpi of the RDP client window.
const long kDefaultWidth = 1024;
const long kDefaultHeight = 768;
const long kDefaultDpi = 96;
const DWORD kDefaultRdpPort = 3389;
class MockRdpClientEventHandler : public RdpClient::EventHandler {
public:
MockRdpClientEventHandler() {}
MockRdpClientEventHandler(const MockRdpClientEventHandler&) = delete;
MockRdpClientEventHandler& operator=(const MockRdpClientEventHandler&) =
delete;
~MockRdpClientEventHandler() override {}
MOCK_METHOD0(OnRdpConnected, void());
MOCK_METHOD0(OnRdpClosed, void());
};
// a14498c6-7f3b-4e42-9605-6c4a20d53c87
static GUID RdpClientModuleLibid = {
0xa14498c6,
0x7f3b,
0x4e42,
{0x96, 0x05, 0x6c, 0x4a, 0x20, 0xd5, 0x3c, 0x87}};
class RdpClientModule : public ATL::CAtlModuleT<RdpClientModule> {
public:
RdpClientModule();
~RdpClientModule() override;
DECLARE_LIBID(RdpClientModuleLibid)
private:
base::win::ScopedCOMInitializer com_initializer_;
};
RdpClientModule::RdpClientModule() {
AtlAxWinInit();
}
RdpClientModule::~RdpClientModule() {
AtlAxWinTerm();
ATL::_pAtlModule = nullptr;
}
} // namespace
class RdpClientTest : public testing::Test {
public:
RdpClientTest();
~RdpClientTest() override;
void SetUp() override;
void TearDown() override;
// Caaled when an RDP connection is established.
void OnRdpConnected();
// Tears down |rdp_client_|.
void CloseRdpClient();
protected:
// The ATL module instance required by the ATL code.
std::unique_ptr<RdpClientModule> module_;
// Used by RdpClient. The loop is stopped once there are no more references to
// |task_runner_|.
base::test::SingleThreadTaskEnvironment task_environment_{
base::test::SingleThreadTaskEnvironment::MainThreadType::UI};
base::RunLoop run_loop_;
scoped_refptr<AutoThreadTaskRunner> task_runner_;
// Mocks RdpClient::EventHandler for testing.
MockRdpClientEventHandler event_handler_;
// Points to the object being tested.
std::unique_ptr<RdpClient> rdp_client_;
// Unique terminal identifier passed to RdpClient.
std::string terminal_id_;
};
RdpClientTest::RdpClientTest() {}
RdpClientTest::~RdpClientTest() {}
void RdpClientTest::SetUp() {
// Arrange to run |run_loop_| until no components depend on it.
task_runner_ = new AutoThreadTaskRunner(
task_environment_.GetMainThreadTaskRunner(), run_loop_.QuitClosure());
module_ = std::make_unique<RdpClientModule>();
}
void RdpClientTest::TearDown() {
EXPECT_TRUE(!rdp_client_);
module_.reset();
}
void RdpClientTest::OnRdpConnected() {
uint32_t session_id = WtsTerminalMonitor::LookupSessionId(terminal_id_);
std::string id;
EXPECT_TRUE(WtsTerminalMonitor::LookupTerminalId(session_id, &id));
EXPECT_EQ(id, terminal_id_);
task_environment_.GetMainThreadTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(&RdpClientTest::CloseRdpClient, base::Unretained(this)));
}
void RdpClientTest::CloseRdpClient() {
EXPECT_TRUE(rdp_client_);
rdp_client_.reset();
}
// Creates a loopback RDP connection.
// TODO(crbug.com/41496654): Consistently times out on Windows 11 ARM64.
#if BUILDFLAG(IS_WIN) && defined(ARCH_CPU_ARM64)
#define MAYBE_Basic DISABLED_Basic
#else
#define MAYBE_Basic Basic
#endif
TEST_F(RdpClientTest, MAYBE_Basic) {
if (base::win::OSInfo::GetInstance()->version() >=
base::win::Version::WIN11_23H2) {
GTEST_SKIP() << "https://crbug.com/365126540: Skipping test for WIN11_23H2 "
"and greater";
}
terminal_id_ = base::Uuid::GenerateRandomV4().AsLowercaseString();
// An ability to establish a loopback RDP connection depends on many factors
// including OS SKU and having RDP enabled. Accept both successful connection
// and a connection error as a successful outcome.
EXPECT_CALL(event_handler_, OnRdpConnected())
.Times(AtMost(1))
.WillOnce(Invoke(this, &RdpClientTest::OnRdpConnected));
EXPECT_CALL(event_handler_, OnRdpClosed())
.Times(AtMost(1))
.WillOnce(InvokeWithoutArgs(this, &RdpClientTest::CloseRdpClient));
rdp_client_ = std::make_unique<RdpClient>(
task_runner_, task_runner_,
ScreenResolution(webrtc::DesktopSize(kDefaultWidth, kDefaultHeight),
webrtc::DesktopVector(kDefaultDpi, kDefaultDpi)),
terminal_id_, kDefaultRdpPort, &event_handler_);
task_runner_ = nullptr;
run_loop_.Run();
}
} // namespace remoting
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