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// Copyright 2018 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/dbus/cec_service/cec_service_client.h"
#include <memory>
#include <string>
#include <vector>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/mock_callback.h"
#include "base/test/task_environment.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/mock_bus.h"
#include "dbus/mock_object_proxy.h"
#include "dbus/object_path.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
using ::testing::_;
using ::testing::ContainerEq;
using ::testing::Invoke;
using ::testing::Return;
namespace ash {
namespace {
// Matcher that verifies that a dbus::Message has member |name|.
MATCHER_P(HasMember, name, "") {
if (arg->GetMember() != name) {
*result_listener << "has member " << arg->GetMember();
return false;
}
return true;
}
// Functor that can be passed to GoogleMock to respond to a GetTvsPowerStatus
// D-Bus method call with the given power states.
class GetTvsPowerStatusHandler {
public:
explicit GetTvsPowerStatusHandler(std::vector<int32_t> power_states)
: power_states_(power_states) {}
void operator()(dbus::MethodCall* method_call,
int timeout_ms,
dbus::ObjectProxy::ResponseCallback* callback) {
method_call->SetSerial(1); // arbitrary but needed by FromMethodCall
std::unique_ptr<dbus::Response> response =
dbus::Response::FromMethodCall(method_call);
dbus::MessageWriter writer(response.get());
dbus::MessageWriter array_writer(nullptr);
writer.OpenArray("i", &array_writer);
for (int32_t power_state : power_states_)
array_writer.AppendInt32(power_state);
writer.CloseContainer(&array_writer);
// Run the response callback asynchronously.
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(std::move(*callback), base::Owned(response.release())));
}
private:
std::vector<int32_t> power_states_;
};
} // namespace
class CecServiceClientTest : public testing::Test {
public:
CecServiceClientTest() {
dbus::Bus::Options options;
options.bus_type = dbus::Bus::SYSTEM;
// Suppress warnings about uninteresting calls to the bus.
mock_bus_ = base::MakeRefCounted<::testing::NiceMock<dbus::MockBus>>(
dbus::Bus::Options());
// Setup mock bus and proxy.
mock_proxy_ = base::MakeRefCounted<dbus::MockObjectProxy>(
mock_bus_.get(), cecservice::kCecServiceName,
dbus::ObjectPath(cecservice::kCecServicePath));
ON_CALL(*mock_bus_.get(),
GetObjectProxy(cecservice::kCecServiceName,
dbus::ObjectPath(cecservice::kCecServicePath)))
.WillByDefault(Return(mock_proxy_.get()));
// Create a client with the mock bus.
CecServiceClient::Initialize(mock_bus_.get());
client_ = CecServiceClient::Get();
// Run the message loop to run the signal connection result callback.
base::RunLoop().RunUntilIdle();
}
~CecServiceClientTest() override { CecServiceClient::Shutdown(); }
protected:
base::test::SingleThreadTaskEnvironment task_environment_;
raw_ptr<CecServiceClient, DanglingUntriaged> client_ = nullptr;
scoped_refptr<dbus::MockBus> mock_bus_;
scoped_refptr<dbus::MockObjectProxy> mock_proxy_;
};
TEST_F(CecServiceClientTest, SendStandByTriggersDBusMessage) {
EXPECT_CALL(*mock_proxy_.get(),
DoCallMethod(
HasMember(cecservice::kSendStandByToAllDevicesMethod), _, _));
client_->SendStandBy();
}
TEST_F(CecServiceClientTest, SendWakeUpTriggersDBusMessage) {
EXPECT_CALL(
*mock_proxy_.get(),
DoCallMethod(HasMember(cecservice::kSendWakeUpToAllDevicesMethod), _, _));
client_->SendWakeUp();
}
TEST_F(CecServiceClientTest, QueryPowerStatusSendDBusMessage) {
EXPECT_CALL(*mock_proxy_.get(),
DoCallMethod(HasMember(cecservice::kGetTvsPowerStatus), _, _));
client_->QueryDisplayCecPowerState(base::DoNothing());
base::RunLoop().RunUntilIdle();
}
TEST_F(CecServiceClientTest, QueryPowerStatusNoCecDevicesGivesEmptyResponse) {
EXPECT_CALL(*mock_proxy_.get(),
DoCallMethod(HasMember(cecservice::kGetTvsPowerStatus), _, _))
.WillOnce(Invoke(GetTvsPowerStatusHandler({})));
base::MockCallback<CecServiceClient::PowerStateCallback> callback;
EXPECT_CALL(callback,
Run(ContainerEq(std::vector<CecServiceClient::PowerState>())));
client_->QueryDisplayCecPowerState(callback.Get());
base::RunLoop().RunUntilIdle();
}
TEST_F(CecServiceClientTest, QueryPowerStatusOneDeviceIsPropagated) {
EXPECT_CALL(*mock_proxy_.get(),
DoCallMethod(HasMember(cecservice::kGetTvsPowerStatus), _, _))
.WillOnce(
Invoke(GetTvsPowerStatusHandler({cecservice::kTvPowerStatusOn})));
base::MockCallback<CecServiceClient::PowerStateCallback> callback;
EXPECT_CALL(callback,
Run(ContainerEq(std::vector<CecServiceClient::PowerState>(
{CecServiceClient::PowerState::kOn}))));
client_->QueryDisplayCecPowerState(callback.Get());
base::RunLoop().RunUntilIdle();
}
TEST_F(CecServiceClientTest, QueryPowerStatusAllStatesCorrectlyHandled) {
std::vector<int32_t> power_states{
cecservice::kTvPowerStatusError,
cecservice::kTvPowerStatusAdapterNotConfigured,
cecservice::kTvPowerStatusNoTv,
cecservice::kTvPowerStatusOn,
cecservice::kTvPowerStatusStandBy,
cecservice::kTvPowerStatusToOn,
cecservice::kTvPowerStatusToStandBy,
cecservice::kTvPowerStatusUnknown,
};
EXPECT_CALL(*mock_proxy_.get(),
DoCallMethod(HasMember(cecservice::kGetTvsPowerStatus), _, _))
.WillOnce(Invoke(GetTvsPowerStatusHandler(std::move(power_states))));
base::MockCallback<CecServiceClient::PowerStateCallback> callback;
EXPECT_CALL(callback,
Run(ContainerEq(std::vector<CecServiceClient::PowerState>({
CecServiceClient::PowerState::kError,
CecServiceClient::PowerState::kAdapterNotConfigured,
CecServiceClient::PowerState::kNoDevice,
CecServiceClient::PowerState::kOn,
CecServiceClient::PowerState::kStandBy,
CecServiceClient::PowerState::kTransitioningToOn,
CecServiceClient::PowerState::kTransitioningToStandBy,
CecServiceClient::PowerState::kUnknown,
}))));
client_->QueryDisplayCecPowerState(callback.Get());
base::RunLoop().RunUntilIdle();
}
} // namespace ash
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