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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/media_router/browser/mirroring_media_controller_host_impl.h"
#include "base/run_loop.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/task_environment.h"
#include "components/media_router/common/media_route.h"
#include "components/media_router/common/mojom/media_controller.mojom.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media_router {
class MockMirroringMediaControllerHostObserver
: public MirroringMediaControllerHost::Observer {
public:
MockMirroringMediaControllerHostObserver() = default;
explicit MockMirroringMediaControllerHostObserver(
MirroringMediaControllerHost* host)
: host_(host) {
host_->AddObserver(this);
}
~MockMirroringMediaControllerHostObserver() override {
if (host_) {
host_->RemoveObserver(this);
}
}
MOCK_METHOD(void, OnFreezeInfoChanged, (), (override));
private:
raw_ptr<MirroringMediaControllerHost> host_ = nullptr;
};
class MockMediaController : public mojom::MediaController {
public:
explicit MockMediaController(
mojo::PendingReceiver<mojom::MediaController> receiver)
: receiver_(this, std::move(receiver)) {}
~MockMediaController() override = default;
MOCK_METHOD(void, Play, ());
MOCK_METHOD(void, Pause, ());
MOCK_METHOD(void, SetMute, (bool mute));
MOCK_METHOD(void, SetVolume, (float volume));
MOCK_METHOD(void, Seek, (base::TimeDelta time));
MOCK_METHOD(void, NextTrack, ());
MOCK_METHOD(void, PreviousTrack, ());
void FlushForTesting() { receiver_.FlushForTesting(); }
private:
mojo::Receiver<mojom::MediaController> receiver_;
};
class MirroringMediaControllerHostTest : public ::testing::Test {
public:
MirroringMediaControllerHostTest() = default;
~MirroringMediaControllerHostTest() override = default;
void SetUp() override {
mojo::Remote<mojom::MediaController> controller_remote;
media_controller_ = std::make_unique<MockMediaController>(
controller_remote.BindNewPipeAndPassReceiver());
host_ = std::make_unique<MirroringMediaControllerHostImpl>(
std::move(controller_remote));
}
protected:
base::test::SingleThreadTaskEnvironment task_environment_;
std::unique_ptr<MirroringMediaControllerHost> host_;
std::unique_ptr<MockMediaController> media_controller_;
};
TEST_F(MirroringMediaControllerHostTest, GetMediaStatusObserverPendingRemote) {
auto observer_remote = host_->GetMediaStatusObserverPendingRemote();
EXPECT_TRUE(observer_remote.is_valid());
}
TEST_F(MirroringMediaControllerHostTest, OnMediaStatusUpdated) {
// Constructing will add itself as an observer of |host|.
MockMirroringMediaControllerHostObserver observer(host_.get());
EXPECT_CALL(observer, OnFreezeInfoChanged);
host_->OnMediaStatusUpdated(mojom::MediaStatus::New());
}
TEST_F(MirroringMediaControllerHostTest, OnMediaStatusUpdatedCanFreeze) {
media_router::mojom::MediaStatusPtr status = mojom::MediaStatus::New();
status->can_play_pause = true;
EXPECT_FALSE(host_->CanFreeze());
host_->OnMediaStatusUpdated(std::move(status));
EXPECT_TRUE(host_->CanFreeze());
}
TEST_F(MirroringMediaControllerHostTest, OnMediaStatusUpdatedIsFrozen) {
media_router::mojom::MediaStatusPtr status = mojom::MediaStatus::New();
status->play_state = mojom::MediaStatus::PlayState::PAUSED;
EXPECT_FALSE(host_->IsFrozen());
host_->OnMediaStatusUpdated(status.Clone());
EXPECT_FALSE(host_->IsFrozen());
status->can_play_pause = true;
host_->OnMediaStatusUpdated(std::move(status));
EXPECT_TRUE(host_->IsFrozen());
}
TEST_F(MirroringMediaControllerHostTest, FreezeHasDelay) {
EXPECT_CALL(*media_controller_, Pause).Times(0);
host_->Freeze();
media_controller_->FlushForTesting();
}
TEST_F(MirroringMediaControllerHostTest, Freeze) {
base::RunLoop run_loop;
EXPECT_CALL(*media_controller_, Pause)
.WillOnce(testing::InvokeWithoutArgs(
[quit = run_loop.QuitClosure()] { quit.Run(); }));
host_->Freeze();
run_loop.Run();
}
TEST_F(MirroringMediaControllerHostTest, FreezeMultipleTimes) {
// If freeze is called more again before the timer has finished, pause will
// only be called once.
base::RunLoop run_loop;
EXPECT_CALL(*media_controller_, Pause)
.Times(1)
.WillOnce(testing::InvokeWithoutArgs(
[quit = run_loop.QuitClosure()] { quit.Run(); }));
host_->Freeze();
host_->Freeze();
run_loop.Run();
}
TEST_F(MirroringMediaControllerHostTest, FreezeThenDeleteHost) {
// Reseting when the freeze timer is running will not cause a crash.
host_->Freeze();
host_.reset();
}
TEST_F(MirroringMediaControllerHostTest, Unfreeze) {
EXPECT_CALL(*media_controller_, Play);
host_->Unfreeze();
media_controller_->FlushForTesting();
}
} // namespace media_router
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