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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "services/video_capture/texture_virtual_device_mojo_adapter.h"
#include "base/run_loop.h"
#include "base/test/scoped_task_environment.h"
#include "services/video_capture/public/cpp/mock_receiver.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::InvokeWithoutArgs;
using testing::_;
namespace video_capture {
class TextureVirtualDeviceMojoAdapterTest : public ::testing::Test {
public:
TextureVirtualDeviceMojoAdapterTest()
: service_keepalive_(nullptr, base::nullopt) {}
void SetUp() override {
mock_receiver_1_ =
std::make_unique<MockReceiver>(mojo::MakeRequest(&receiver_1_));
mock_receiver_2_ =
std::make_unique<MockReceiver>(mojo::MakeRequest(&receiver_2_));
adapter_ = std::make_unique<TextureVirtualDeviceMojoAdapter>(
service_keepalive_.CreateRef());
}
protected:
void ProducerSharesBufferHandle(int32_t buffer_id) {
auto dummy_buffer_handle = media::mojom::MailboxBufferHandleSet::New();
dummy_buffer_handle->mailbox_holder.resize(media::VideoFrame::kMaxPlanes);
adapter_->OnNewMailboxHolderBufferHandle(buffer_id,
std::move(dummy_buffer_handle));
}
void ProducerRetiresBufferHandle(int32_t buffer_id) {
adapter_->OnBufferRetired(buffer_id);
}
void Receiver1Connects() {
const media::VideoCaptureParams kArbitraryRequestedSettings;
adapter_->Start(kArbitraryRequestedSettings, std::move(receiver_1_));
}
void Receiver2Connects() {
const media::VideoCaptureParams kArbitraryRequestedSettings;
adapter_->Start(kArbitraryRequestedSettings, std::move(receiver_2_));
}
void Receiver1Disconnects() {
base::RunLoop wait_loop;
adapter_->SetReceiverDisconnectedCallback(wait_loop.QuitClosure());
mock_receiver_1_.reset();
wait_loop.Run();
}
std::unique_ptr<MockReceiver> mock_receiver_1_;
std::unique_ptr<MockReceiver> mock_receiver_2_;
private:
base::test::ScopedTaskEnvironment task_environment_;
service_manager::ServiceKeepalive service_keepalive_;
std::unique_ptr<TextureVirtualDeviceMojoAdapter> adapter_;
mojom::ReceiverPtr receiver_1_;
mojom::ReceiverPtr receiver_2_;
};
// Tests that when buffer handles are shared by the producer before a receiver
// has connected, these buffer handles get shared with the receiver as soon as
// it connects.
TEST_F(TextureVirtualDeviceMojoAdapterTest,
BufferHandlesAreSharedWithReceiverConnectingLate) {
const int kArbitraryBufferId1 = 1;
const int kArbitraryBufferId2 = 2;
ProducerSharesBufferHandle(kArbitraryBufferId1);
ProducerSharesBufferHandle(kArbitraryBufferId2);
base::RunLoop wait_loop;
int buffer_received_count = 0;
EXPECT_CALL(*mock_receiver_1_, DoOnNewBuffer(kArbitraryBufferId1, _))
.WillOnce(InvokeWithoutArgs([&wait_loop, &buffer_received_count]() {
buffer_received_count++;
if (buffer_received_count == 2)
wait_loop.Quit();
}));
EXPECT_CALL(*mock_receiver_1_, DoOnNewBuffer(kArbitraryBufferId2, _))
.WillOnce(InvokeWithoutArgs([&wait_loop, &buffer_received_count]() {
buffer_received_count++;
if (buffer_received_count == 2)
wait_loop.Quit();
}));
Receiver1Connects();
wait_loop.Run();
}
// Tests that when a receiver disconnects and a new receiver connects, the
// virtual device adapter shares all valid buffer handles with it.
TEST_F(TextureVirtualDeviceMojoAdapterTest,
BufferHandlesAreSharedWithSecondReceiver) {
const int kArbitraryBufferId1 = 1;
const int kArbitraryBufferId2 = 2;
Receiver1Connects();
ProducerSharesBufferHandle(kArbitraryBufferId1);
ProducerSharesBufferHandle(kArbitraryBufferId2);
Receiver1Disconnects();
ProducerRetiresBufferHandle(kArbitraryBufferId1);
base::RunLoop wait_loop;
EXPECT_CALL(*mock_receiver_2_, DoOnNewBuffer(kArbitraryBufferId2, _))
.WillOnce(InvokeWithoutArgs([&wait_loop]() { wait_loop.Quit(); }));
Receiver2Connects();
wait_loop.Run();
}
} // namespace video_capture
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