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content / browser / renderer_host / media / service_video_capture_provider_unittest.cc [blame]
// 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/service_video_capture_provider.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/mock_callback.h"
#include "base/test/scoped_feature_list.h"
#include "base/threading/thread.h"
#include "build/chromeos_buildflags.h"
#include "content/public/browser/video_capture_device_launcher.h"
#include "content/public/browser/video_capture_service.h"
#include "content/public/common/content_features.h"
#include "content/public/test/browser_task_environment.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "services/video_capture/public/cpp/mock_push_subscription.h"
#include "services/video_capture/public/cpp/mock_video_capture_service.h"
#include "services/video_capture/public/cpp/mock_video_source.h"
#include "services/video_capture/public/cpp/mock_video_source_provider.h"
#include "services/video_capture/public/mojom/producer.mojom.h"
#include "services/video_capture/public/mojom/video_capture_service.mojom.h"
#include "services/video_capture/public/mojom/video_frame_handler.mojom.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::Mock;
using testing::Invoke;
using testing::_;
namespace content {
using GetSourceInfosResult =
video_capture::mojom::VideoSourceProvider::GetSourceInfosResult;
static const std::string kStubDeviceId = "StubDevice";
static const media::VideoCaptureParams kArbitraryParams;
static const base::WeakPtr<media::VideoFrameReceiver> kNullReceiver;
static const auto kIgnoreLogMessageCB = base::DoNothing();
class MockVideoCaptureDeviceLauncherCallbacks
: public VideoCaptureDeviceLauncher::Callbacks {
public:
void OnDeviceLaunched(
std::unique_ptr<LaunchedVideoCaptureDevice> device) override {
DoOnDeviceLaunched(&device);
}
MOCK_METHOD1(DoOnDeviceLaunched,
void(std::unique_ptr<LaunchedVideoCaptureDevice>* device));
MOCK_METHOD1(OnDeviceLaunchFailed, void(media::VideoCaptureError error));
MOCK_METHOD0(OnDeviceLaunchAborted, void());
};
class ServiceVideoCaptureProviderTest : public testing::Test {
public:
ServiceVideoCaptureProviderTest()
: source_provider_receiver_(&mock_source_provider_) {
OverrideVideoCaptureServiceForTesting(&mock_video_capture_service_);
}
ServiceVideoCaptureProviderTest(const ServiceVideoCaptureProviderTest&) =
delete;
ServiceVideoCaptureProviderTest& operator=(
const ServiceVideoCaptureProviderTest&) = delete;
~ServiceVideoCaptureProviderTest() override {
OverrideVideoCaptureServiceForTesting(nullptr);
}
protected:
void SetUp() override {
// Those tests are incompatible with the automatic retry with safe mode on
// macOS.
scoped_feature_list_.InitAndDisableFeature(
features::kRetryGetVideoCaptureDeviceInfos);
#if BUILDFLAG(IS_CHROMEOS_ASH)
provider_ = std::make_unique<ServiceVideoCaptureProvider>(
base::BindRepeating([]() {
return std::unique_ptr<video_capture::mojom::AcceleratorFactory>();
}),
kIgnoreLogMessageCB);
#else
provider_ =
std::make_unique<ServiceVideoCaptureProvider>(kIgnoreLogMessageCB);
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
ON_CALL(mock_video_capture_service_, DoConnectToVideoSourceProvider(_))
.WillByDefault(Invoke(
[this](
mojo::PendingReceiver<video_capture::mojom::VideoSourceProvider>
receiver) {
if (source_provider_receiver_.is_bound())
source_provider_receiver_.reset();
source_provider_receiver_.Bind(std::move(receiver));
wait_for_connection_to_service_.Quit();
}));
ON_CALL(mock_source_provider_, DoGetSourceInfos(_))
.WillByDefault(Invoke([](video_capture::mojom::VideoSourceProvider::
GetSourceInfosCallback& callback) {
std::vector<media::VideoCaptureDeviceInfo> arbitrarily_empty_results;
std::move(callback).Run(GetSourceInfosResult::kSuccess,
arbitrarily_empty_results);
}));
ON_CALL(mock_source_provider_, DoGetVideoSource(_, _))
.WillByDefault(Invoke(
[this](const std::string& device_id,
mojo::PendingReceiver<video_capture::mojom::VideoSource>*
receiver) {
source_receivers_.Add(&mock_source_, std::move(*receiver));
}));
ON_CALL(mock_source_, CreatePushSubscription(_, _, _, _, _))
.WillByDefault(Invoke(
[this](mojo::PendingRemote<video_capture::mojom::VideoFrameHandler>
subscriber,
const media::VideoCaptureParams& requested_settings,
bool force_reopen_with_new_settings,
mojo::PendingReceiver<
video_capture::mojom::PushVideoStreamSubscription>
subscription,
video_capture::mojom::VideoSource::
CreatePushSubscriptionCallback callback) {
subscription_receivers_.Add(&mock_subscription_,
std::move(subscription));
std::move(callback).Run(
video_capture::mojom::CreatePushSubscriptionResultCode::
NewSuccessCode(video_capture::mojom::
CreatePushSubscriptionSuccessCode::
kCreatedWithRequestedSettings),
requested_settings);
}));
}
void TearDown() override {}
content::BrowserTaskEnvironment task_environment_;
video_capture::MockVideoCaptureService mock_video_capture_service_;
video_capture::MockVideoSourceProvider mock_source_provider_;
mojo::Receiver<video_capture::mojom::VideoSourceProvider>
source_provider_receiver_;
video_capture::MockVideoSource mock_source_;
mojo::ReceiverSet<video_capture::mojom::VideoSource> source_receivers_;
video_capture::MockPushSubcription mock_subscription_;
mojo::ReceiverSet<video_capture::mojom::PushVideoStreamSubscription>
subscription_receivers_;
std::unique_ptr<ServiceVideoCaptureProvider> provider_;
base::MockCallback<VideoCaptureProvider::GetDeviceInfosCallback> results_cb_;
base::MockCallback<
video_capture::mojom::VideoSourceProvider::GetSourceInfosCallback>
service_cb_;
base::RunLoop wait_for_connection_to_service_;
base::test::ScopedFeatureList scoped_feature_list_;
};
// Tests that if connection to the service is lost during an outstanding call
// to GetDeviceInfos(), the callback passed into GetDeviceInfos() still gets
// invoked but with an error.
TEST_F(ServiceVideoCaptureProviderTest,
GetDeviceInfosAsyncInvokesCallbackWhenLosingConnection) {
base::RunLoop run_loop;
video_capture::mojom::VideoSourceProvider::GetSourceInfosCallback
callback_to_be_called_by_service;
base::RunLoop wait_for_call_to_arrive_at_service;
EXPECT_CALL(mock_source_provider_, DoGetSourceInfos(_))
.WillOnce(Invoke(
[&callback_to_be_called_by_service,
&wait_for_call_to_arrive_at_service](
video_capture::mojom::VideoSourceProvider::GetSourceInfosCallback&
callback) {
// Hold on to the callback so we can drop it later.
callback_to_be_called_by_service = std::move(callback);
wait_for_call_to_arrive_at_service.Quit();
}));
base::RunLoop wait_for_callback_from_service;
EXPECT_CALL(results_cb_, Run)
.WillOnce(Invoke([&wait_for_callback_from_service](
media::mojom::DeviceEnumerationResult result,
const std::vector<media::VideoCaptureDeviceInfo>&
results) {
// The disconnect should result in a failed result code.
EXPECT_EQ(
media::mojom::DeviceEnumerationResult::kErrorCaptureServiceCrash,
result);
EXPECT_EQ(0u, results.size());
wait_for_callback_from_service.Quit();
}));
// Exercise
provider_->GetDeviceInfosAsync(results_cb_.Get());
wait_for_call_to_arrive_at_service.Run();
// Simulate that the service goes down by cutting the connections.
source_provider_receiver_.reset();
wait_for_callback_from_service.Run();
}
// Tests that |ServiceVideoCaptureProvider| closes the connection to the service
// after successfully processing a single request to GetDeviceInfos().
TEST_F(ServiceVideoCaptureProviderTest,
ClosesServiceConnectionAfterGetDeviceInfos) {
// Setup part 1
video_capture::mojom::VideoSourceProvider::GetSourceInfosCallback
callback_to_be_called_by_service;
base::RunLoop wait_for_call_to_arrive_at_service;
EXPECT_CALL(mock_source_provider_, DoGetSourceInfos(_))
.WillOnce(Invoke(
[&callback_to_be_called_by_service,
&wait_for_call_to_arrive_at_service](
video_capture::mojom::VideoSourceProvider::GetSourceInfosCallback&
callback) {
// Hold on to the callback so we can drop it later.
callback_to_be_called_by_service = std::move(callback);
wait_for_call_to_arrive_at_service.Quit();
}));
// Exercise part 1: Make request to the service
provider_->GetDeviceInfosAsync(results_cb_.Get());
wait_for_call_to_arrive_at_service.Run();
// Setup part 2: Now that the connection to the service is established, we can
// listen for disconnects.
base::RunLoop wait_for_connection_to_source_provider_to_close;
source_provider_receiver_.set_disconnect_handler(
base::BindOnce([](base::RunLoop* run_loop) { run_loop->Quit(); },
&wait_for_connection_to_source_provider_to_close));
// Exercise part 2: The service responds
std::vector<media::VideoCaptureDeviceInfo> arbitrarily_empty_results;
std::move(callback_to_be_called_by_service)
.Run(GetSourceInfosResult::kSuccess, arbitrarily_empty_results);
// Verification: Expect |provider_| to close the connection to the service.
wait_for_connection_to_source_provider_to_close.Run();
}
// Tests that |ServiceVideoCaptureProvider| does not close the connection to the
// service while at least one previously handed out VideoCaptureDeviceLauncher
// instance is still using it. Then confirms that it closes the connection as
// soon as the last VideoCaptureDeviceLauncher instance is released.
TEST_F(ServiceVideoCaptureProviderTest,
KeepsServiceConnectionWhileDeviceLauncherAlive) {
MockVideoCaptureDeviceLauncherCallbacks mock_callbacks;
// Exercise part 1: Create a device launcher and hold on to it.
auto device_launcher_1 = provider_->CreateDeviceLauncher();
base::RunLoop wait_for_launch_1;
device_launcher_1->LaunchDeviceAsync(
kStubDeviceId, blink::mojom::MediaStreamType::DEVICE_VIDEO_CAPTURE,
kArbitraryParams, kNullReceiver, base::DoNothing(), &mock_callbacks,
wait_for_launch_1.QuitClosure(), {});
wait_for_connection_to_service_.Run();
wait_for_launch_1.Run();
// Monitor if connection gets closed
bool connection_has_been_closed = false;
source_provider_receiver_.set_disconnect_handler(base::BindOnce(
[](bool* connection_has_been_closed) {
*connection_has_been_closed = true;
},
&connection_has_been_closed));
// Exercise part 2: Make a few GetDeviceInfosAsync requests
base::RunLoop wait_for_get_device_infos_response_1;
base::RunLoop wait_for_get_device_infos_response_2;
provider_->GetDeviceInfosAsync(base::BindRepeating(
[](base::RunLoop* run_loop, media::mojom::DeviceEnumerationResult,
const std::vector<media::VideoCaptureDeviceInfo>&) {
run_loop->Quit();
},
&wait_for_get_device_infos_response_1));
provider_->GetDeviceInfosAsync(base::BindRepeating(
[](base::RunLoop* run_loop, media::mojom::DeviceEnumerationResult,
const std::vector<media::VideoCaptureDeviceInfo>&) {
run_loop->Quit();
},
&wait_for_get_device_infos_response_2));
wait_for_get_device_infos_response_1.Run();
{
base::RunLoop give_provider_chance_to_disconnect;
give_provider_chance_to_disconnect.RunUntilIdle();
}
ASSERT_FALSE(connection_has_been_closed);
wait_for_get_device_infos_response_2.Run();
{
base::RunLoop give_provider_chance_to_disconnect;
give_provider_chance_to_disconnect.RunUntilIdle();
}
ASSERT_FALSE(connection_has_been_closed);
// Exercise part 3: Create and release another device launcher
auto device_launcher_2 = provider_->CreateDeviceLauncher();
base::RunLoop wait_for_launch_2;
device_launcher_2->LaunchDeviceAsync(
kStubDeviceId, blink::mojom::MediaStreamType::DEVICE_VIDEO_CAPTURE,
kArbitraryParams, kNullReceiver, base::DoNothing(), &mock_callbacks,
wait_for_launch_2.QuitClosure(), {});
wait_for_launch_2.Run();
device_launcher_2.reset();
{
base::RunLoop give_provider_chance_to_disconnect;
give_provider_chance_to_disconnect.RunUntilIdle();
}
ASSERT_FALSE(connection_has_been_closed);
// Exercise part 4: Release the initial device launcher.
device_launcher_1.reset();
{
base::RunLoop give_provider_chance_to_disconnect;
give_provider_chance_to_disconnect.RunUntilIdle();
}
ASSERT_TRUE(connection_has_been_closed);
}
// Tests that |ServiceVideoCaptureProvider| does not close the connection to the
// service while at least one answer to a GetDeviceInfos() request is still
// pending. Confirms that it closes the connection as soon as the last pending
// request is answered.
TEST_F(ServiceVideoCaptureProviderTest,
DoesNotCloseServiceConnectionWhileGetDeviceInfoResponsePending) {
// When GetDeviceInfos gets called, hold on to the callbacks, but do not
// yet invoke them.
std::vector<video_capture::mojom::VideoSourceProvider::GetSourceInfosCallback>
callbacks_to_be_called_by_service;
ON_CALL(mock_source_provider_, DoGetSourceInfos(_))
.WillByDefault(Invoke(
[&callbacks_to_be_called_by_service](
video_capture::mojom::VideoSourceProvider::GetSourceInfosCallback&
callback) {
callbacks_to_be_called_by_service.push_back(std::move(callback));
}));
// Make initial call to GetDeviceInfosAsync(). The service does not yet
// respond.
provider_->GetDeviceInfosAsync(base::DoNothing());
// Make an additional call to GetDeviceInfosAsync().
provider_->GetDeviceInfosAsync(base::DoNothing());
{
base::RunLoop give_mojo_chance_to_process;
give_mojo_chance_to_process.RunUntilIdle();
}
ASSERT_EQ(2u, callbacks_to_be_called_by_service.size());
// Monitor if connection gets closed
bool connection_has_been_closed = false;
source_provider_receiver_.set_disconnect_handler(base::BindOnce(
[](bool* connection_has_been_closed) {
*connection_has_been_closed = true;
},
&connection_has_been_closed));
// The service now responds to the first request.
std::vector<media::VideoCaptureDeviceInfo> arbitrarily_empty_results;
std::move(callbacks_to_be_called_by_service[0])
.Run(GetSourceInfosResult::kSuccess, arbitrarily_empty_results);
{
base::RunLoop give_provider_chance_to_disconnect;
give_provider_chance_to_disconnect.RunUntilIdle();
}
ASSERT_FALSE(connection_has_been_closed);
// Create and release a device launcher
auto device_launcher = provider_->CreateDeviceLauncher();
device_launcher.reset();
{
base::RunLoop give_provider_chance_to_disconnect;
give_provider_chance_to_disconnect.RunUntilIdle();
}
ASSERT_FALSE(connection_has_been_closed);
// The service now responds to the second request.
std::move(callbacks_to_be_called_by_service[1])
.Run(GetSourceInfosResult::kSuccess, arbitrarily_empty_results);
{
base::RunLoop give_provider_chance_to_disconnect;
give_provider_chance_to_disconnect.RunUntilIdle();
}
ASSERT_TRUE(connection_has_been_closed);
}
// Tests that failures of VideoSourceProvider::GetSourceInfos are handled.
TEST_F(ServiceVideoCaptureProviderTest, ServiceGetSourceInfosFails) {
video_capture::mojom::VideoSourceProvider::GetSourceInfosCallback
callback_to_be_called_by_service;
base::RunLoop wait_for_call_to_arrive_at_service;
EXPECT_CALL(mock_source_provider_, DoGetSourceInfos(_))
.WillOnce(Invoke(
[&wait_for_call_to_arrive_at_service](
video_capture::mojom::VideoSourceProvider::GetSourceInfosCallback&
callback) {
std::move(callback).Run(GetSourceInfosResult::kErrorDroppedRequest,
{});
wait_for_call_to_arrive_at_service.Quit();
}));
provider_->GetDeviceInfosAsync(results_cb_.Get());
wait_for_call_to_arrive_at_service.Run();
base::RunLoop wait_for_callback_from_service;
EXPECT_CALL(results_cb_, Run)
.WillOnce(Invoke(
[&wait_for_callback_from_service](
media::mojom::DeviceEnumerationResult result,
const std::vector<media::VideoCaptureDeviceInfo>& results) {
// The error should result in a failed result code.
EXPECT_EQ(media::mojom::DeviceEnumerationResult::
kErrorCaptureServiceDroppedRequest,
result);
EXPECT_EQ(0u, results.size());
wait_for_callback_from_service.Quit();
}));
wait_for_callback_from_service.Run();
}
} // namespace content