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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 "content/browser/renderer_host/media/audio_input_stream_handle.h"
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/unsafe_shared_memory_region.h"
#include "base/run_loop.h"
#include "base/sync_socket.h"
#include "base/test/mock_callback.h"
#include "base/test/task_environment.h"
#include "media/audio/audio_input_delegate.h"
#include "mojo/public/cpp/bindings/pending_remote.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 content {
namespace {
using testing::StrictMock;
using testing::Mock;
using testing::Test;
class FakeAudioInputDelegate : public media::AudioInputDelegate {
public:
FakeAudioInputDelegate() {}
FakeAudioInputDelegate(const FakeAudioInputDelegate&) = delete;
FakeAudioInputDelegate& operator=(const FakeAudioInputDelegate&) = delete;
~FakeAudioInputDelegate() override {}
int GetStreamId() override { return 0; }
void OnRecordStream() override {}
void OnSetVolume(double volume) override {}
void OnSetOutputDeviceForAec(const std::string& output_device_id) override {}
};
class MockRendererAudioInputStreamFactoryClient
: public blink::mojom::RendererAudioInputStreamFactoryClient {
public:
MOCK_METHOD0(Created, void());
void StreamCreated(
mojo::PendingRemote<media::mojom::AudioInputStream> input_stream,
mojo::PendingReceiver<media::mojom::AudioInputStreamClient>
client_receiver,
media::mojom::ReadWriteAudioDataPipePtr data_pipe,
bool initially_muted,
const std::optional<base::UnguessableToken>& stream_id) override {
EXPECT_TRUE(stream_id.has_value());
input_stream_.Bind(std::move(input_stream));
client_receiver_ = std::move(client_receiver);
Created();
}
private:
mojo::Remote<media::mojom::AudioInputStream> input_stream_;
mojo::PendingReceiver<media::mojom::AudioInputStreamClient> client_receiver_;
};
using MockDeleter =
base::MockCallback<base::OnceCallback<void(AudioInputStreamHandle*)>>;
// Creates a fake delegate and saves the provided event handler in
// |event_handler_out|.
std::unique_ptr<media::AudioInputDelegate> CreateFakeDelegate(
raw_ptr<media::AudioInputDelegate::EventHandler>* event_handler_out,
media::AudioInputDelegate::EventHandler* event_handler) {
*event_handler_out = event_handler;
return std::make_unique<FakeAudioInputDelegate>();
}
} // namespace
class AudioInputStreamHandleTest : public Test {
public:
AudioInputStreamHandleTest()
: client_receiver_(
&client_,
client_pending_remote_.InitWithNewPipeAndPassReceiver()),
local_(std::make_unique<base::CancelableSyncSocket>()),
remote_(std::make_unique<base::CancelableSyncSocket>()) {
// Will set `event_handler_`.
handle_ = std::make_unique<AudioInputStreamHandle>(
std::move(client_pending_remote_),
base::BindOnce(&CreateFakeDelegate, &event_handler_), deleter_.Get());
// Wait for |event_handler| to be set.
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(event_handler_);
const size_t kSize = 1234;
shared_memory_region_ = base::UnsafeSharedMemoryRegion::Create(kSize);
EXPECT_TRUE(shared_memory_region_.IsValid());
EXPECT_TRUE(
base::CancelableSyncSocket::CreatePair(local_.get(), remote_.get()));
}
void SendCreatedNotification() {
const int kIrrelevantStreamId = 0;
const bool kInitiallyMuted = false;
event_handler_->OnStreamCreated(kIrrelevantStreamId,
std::move(shared_memory_region_),
std::move(remote_), kInitiallyMuted);
}
MockRendererAudioInputStreamFactoryClient* client() { return &client_; }
void ResetClientReceiver() { client_receiver_.reset(); }
void ExpectHandleWillCallDeleter() {
EXPECT_CALL(deleter_, Run(handle_.release()))
.WillOnce([&](AudioInputStreamHandle* handle) {
event_handler_ = nullptr;
delete handle;
});
}
// Note: Must call ExpectHandleWillCallDeleter() first.
void VerifyDeleterWasCalled() {
EXPECT_TRUE(Mock::VerifyAndClear(&deleter_));
}
private:
base::test::SingleThreadTaskEnvironment task_environment_;
StrictMock<MockRendererAudioInputStreamFactoryClient> client_;
mojo::PendingRemote<blink::mojom::RendererAudioInputStreamFactoryClient>
client_pending_remote_;
mojo::Receiver<blink::mojom::RendererAudioInputStreamFactoryClient>
client_receiver_;
StrictMock<MockDeleter> deleter_;
std::unique_ptr<AudioInputStreamHandle> handle_;
raw_ptr<media::AudioInputDelegate::EventHandler> event_handler_ = nullptr;
base::UnsafeSharedMemoryRegion shared_memory_region_;
std::unique_ptr<base::CancelableSyncSocket> local_;
std::unique_ptr<base::CancelableSyncSocket> remote_;
};
TEST_F(AudioInputStreamHandleTest, CreateStream) {
EXPECT_CALL(*client(), Created());
SendCreatedNotification();
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(Mock::VerifyAndClear(client()));
}
TEST_F(AudioInputStreamHandleTest,
DestructClientBeforeCreationFinishes_CancelsStreamCreation) {
ExpectHandleWillCallDeleter();
ResetClientReceiver();
base::RunLoop().RunUntilIdle();
VerifyDeleterWasCalled();
}
TEST_F(AudioInputStreamHandleTest,
CreateStreamAndDisconnectClient_DestroysStream) {
EXPECT_CALL(*client(), Created());
SendCreatedNotification();
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(Mock::VerifyAndClear(client()));
ExpectHandleWillCallDeleter();
ResetClientReceiver();
base::RunLoop().RunUntilIdle();
VerifyDeleterWasCalled();
}
} // namespace content
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