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webrtc/pc/peer_connection_header_extension_unittest.cc
Philipp Hancke 9f6ae375e3 Rename header extension API methods 
following spec updates from
  https://github.com/w3c/webrtc-extensions/pull/142

BUG=chromium:1051821

Change-Id: I1fd991a5024d38ac59ebe510ea1a48fd6f42d23b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/296321
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#39491}
2023-03-07 10:55:58 +00:00

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/*
* Copyright 2020 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <memory>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
#include "absl/strings/string_view.h"
#include "absl/types/optional.h"
#include "api/call/call_factory_interface.h"
#include "api/jsep.h"
#include "api/media_types.h"
#include "api/peer_connection_interface.h"
#include "api/rtc_error.h"
#include "api/rtc_event_log/rtc_event_log_factory.h"
#include "api/rtc_event_log/rtc_event_log_factory_interface.h"
#include "api/rtp_parameters.h"
#include "api/rtp_transceiver_direction.h"
#include "api/rtp_transceiver_interface.h"
#include "api/scoped_refptr.h"
#include "api/task_queue/default_task_queue_factory.h"
#include "api/task_queue/task_queue_factory.h"
#include "media/base/fake_media_engine.h"
#include "media/base/media_engine.h"
#include "p2p/base/fake_port_allocator.h"
#include "p2p/base/port_allocator.h"
#include "pc/peer_connection_wrapper.h"
#include "pc/session_description.h"
#include "pc/test/mock_peer_connection_observers.h"
#include "rtc_base/internal/default_socket_server.h"
#include "rtc_base/rtc_certificate_generator.h"
#include "rtc_base/strings/string_builder.h"
#include "rtc_base/thread.h"
#include "test/gmock.h"
#include "test/gtest.h"
#include "test/scoped_key_value_config.h"
namespace webrtc {
using ::testing::Combine;
using ::testing::ElementsAre;
using ::testing::Field;
using ::testing::Return;
using ::testing::Values;
class PeerConnectionHeaderExtensionTest
: public ::testing::TestWithParam<
std::tuple<cricket::MediaType, SdpSemantics>> {
protected:
PeerConnectionHeaderExtensionTest()
: socket_server_(rtc::CreateDefaultSocketServer()),
main_thread_(socket_server_.get()),
extensions_(
{RtpHeaderExtensionCapability("uri1",
1,
RtpTransceiverDirection::kStopped),
RtpHeaderExtensionCapability("uri2",
2,
RtpTransceiverDirection::kSendOnly),
RtpHeaderExtensionCapability("uri3",
3,
RtpTransceiverDirection::kRecvOnly),
RtpHeaderExtensionCapability(
"uri4",
4,
RtpTransceiverDirection::kSendRecv)}) {}
std::unique_ptr<PeerConnectionWrapper> CreatePeerConnection(
cricket::MediaType media_type,
absl::optional<SdpSemantics> semantics) {
auto voice = std::make_unique<cricket::FakeVoiceEngine>();
auto video = std::make_unique<cricket::FakeVideoEngine>();
if (media_type == cricket::MediaType::MEDIA_TYPE_AUDIO)
voice->SetRtpHeaderExtensions(extensions_);
else
video->SetRtpHeaderExtensions(extensions_);
auto media_engine = std::make_unique<cricket::CompositeMediaEngine>(
std::move(voice), std::move(video));
PeerConnectionFactoryDependencies factory_dependencies;
factory_dependencies.network_thread = rtc::Thread::Current();
factory_dependencies.worker_thread = rtc::Thread::Current();
factory_dependencies.signaling_thread = rtc::Thread::Current();
factory_dependencies.task_queue_factory = CreateDefaultTaskQueueFactory();
factory_dependencies.media_engine = std::move(media_engine);
factory_dependencies.call_factory = CreateCallFactory();
factory_dependencies.event_log_factory =
std::make_unique<RtcEventLogFactory>(
factory_dependencies.task_queue_factory.get());
auto pc_factory =
CreateModularPeerConnectionFactory(std::move(factory_dependencies));
auto fake_port_allocator = std::make_unique<cricket::FakePortAllocator>(
rtc::Thread::Current(),
std::make_unique<rtc::BasicPacketSocketFactory>(socket_server_.get()),
&field_trials_);
auto observer = std::make_unique<MockPeerConnectionObserver>();
PeerConnectionInterface::RTCConfiguration config;
if (semantics)
config.sdp_semantics = *semantics;
PeerConnectionDependencies pc_dependencies(observer.get());
pc_dependencies.allocator = std::move(fake_port_allocator);
auto result = pc_factory->CreatePeerConnectionOrError(
config, std::move(pc_dependencies));
EXPECT_TRUE(result.ok());
observer->SetPeerConnectionInterface(result.value().get());
return std::make_unique<PeerConnectionWrapper>(
pc_factory, result.MoveValue(), std::move(observer));
}
webrtc::test::ScopedKeyValueConfig field_trials_;
std::unique_ptr<rtc::SocketServer> socket_server_;
rtc::AutoSocketServerThread main_thread_;
std::vector<RtpHeaderExtensionCapability> extensions_;
};
TEST_P(PeerConnectionHeaderExtensionTest, TransceiverOffersHeaderExtensions) {
cricket::MediaType media_type;
SdpSemantics semantics;
std::tie(media_type, semantics) = GetParam();
if (semantics != SdpSemantics::kUnifiedPlan)
return;
std::unique_ptr<PeerConnectionWrapper> wrapper =
CreatePeerConnection(media_type, semantics);
auto transceiver = wrapper->AddTransceiver(media_type);
EXPECT_EQ(transceiver->GetHeaderExtensionsToNegotiate(), extensions_);
}
TEST_P(PeerConnectionHeaderExtensionTest,
SenderReceiverCapabilitiesReturnNotStoppedExtensions) {
cricket::MediaType media_type;
SdpSemantics semantics;
std::tie(media_type, semantics) = GetParam();
std::unique_ptr<PeerConnectionWrapper> wrapper =
CreatePeerConnection(media_type, semantics);
EXPECT_THAT(wrapper->pc_factory()
->GetRtpSenderCapabilities(media_type)
.header_extensions,
ElementsAre(Field(&RtpHeaderExtensionCapability::uri, "uri2"),
Field(&RtpHeaderExtensionCapability::uri, "uri3"),
Field(&RtpHeaderExtensionCapability::uri, "uri4")));
EXPECT_EQ(wrapper->pc_factory()
->GetRtpReceiverCapabilities(media_type)
.header_extensions,
wrapper->pc_factory()
->GetRtpSenderCapabilities(media_type)
.header_extensions);
}
TEST_P(PeerConnectionHeaderExtensionTest, OffersUnstoppedDefaultExtensions) {
cricket::MediaType media_type;
SdpSemantics semantics;
std::tie(media_type, semantics) = GetParam();
if (semantics != SdpSemantics::kUnifiedPlan)
return;
std::unique_ptr<PeerConnectionWrapper> wrapper =
CreatePeerConnection(media_type, semantics);
auto transceiver = wrapper->AddTransceiver(media_type);
auto session_description = wrapper->CreateOffer();
EXPECT_THAT(session_description->description()
->contents()[0]
.media_description()
->rtp_header_extensions(),
ElementsAre(Field(&RtpExtension::uri, "uri2"),
Field(&RtpExtension::uri, "uri3"),
Field(&RtpExtension::uri, "uri4")));
}
TEST_P(PeerConnectionHeaderExtensionTest, OffersUnstoppedModifiedExtensions) {
cricket::MediaType media_type;
SdpSemantics semantics;
std::tie(media_type, semantics) = GetParam();
if (semantics != SdpSemantics::kUnifiedPlan)
return;
std::unique_ptr<PeerConnectionWrapper> wrapper =
CreatePeerConnection(media_type, semantics);
auto transceiver = wrapper->AddTransceiver(media_type);
auto modified_extensions = transceiver->GetHeaderExtensionsToNegotiate();
modified_extensions[0].direction = RtpTransceiverDirection::kSendRecv;
modified_extensions[3].direction = RtpTransceiverDirection::kStopped;
EXPECT_TRUE(
transceiver->SetHeaderExtensionsToNegotiate(modified_extensions).ok());
auto session_description = wrapper->CreateOffer();
EXPECT_THAT(session_description->description()
->contents()[0]
.media_description()
->rtp_header_extensions(),
ElementsAre(Field(&RtpExtension::uri, "uri1"),
Field(&RtpExtension::uri, "uri2"),
Field(&RtpExtension::uri, "uri3")));
}
TEST_P(PeerConnectionHeaderExtensionTest, NegotiatedExtensionsAreAccessible) {
cricket::MediaType media_type;
SdpSemantics semantics;
std::tie(media_type, semantics) = GetParam();
if (semantics != SdpSemantics::kUnifiedPlan)
return;
std::unique_ptr<PeerConnectionWrapper> pc1 =
CreatePeerConnection(media_type, semantics);
auto transceiver1 = pc1->AddTransceiver(media_type);
auto modified_extensions = transceiver1->GetHeaderExtensionsToNegotiate();
modified_extensions[3].direction = RtpTransceiverDirection::kStopped;
transceiver1->SetHeaderExtensionsToNegotiate(modified_extensions);
auto offer = pc1->CreateOfferAndSetAsLocal(
PeerConnectionInterface::RTCOfferAnswerOptions());
std::unique_ptr<PeerConnectionWrapper> pc2 =
CreatePeerConnection(media_type, semantics);
auto transceiver2 = pc2->AddTransceiver(media_type);
pc2->SetRemoteDescription(std::move(offer));
auto answer = pc2->CreateAnswerAndSetAsLocal(
PeerConnectionInterface::RTCOfferAnswerOptions());
pc1->SetRemoteDescription(std::move(answer));
// PC1 has exts 2-4 unstopped and PC2 has exts 1-3 unstopped -> ext 2, 3
// survives.
EXPECT_THAT(transceiver1->GetNegotiatedHeaderExtensions(),
ElementsAre(Field(&RtpHeaderExtensionCapability::uri, "uri2"),
Field(&RtpHeaderExtensionCapability::uri, "uri3")));
}
TEST_P(PeerConnectionHeaderExtensionTest, OfferedExtensionsArePerTransceiver) {
cricket::MediaType media_type;
SdpSemantics semantics;
std::tie(media_type, semantics) = GetParam();
if (semantics != SdpSemantics::kUnifiedPlan)
return;
std::unique_ptr<PeerConnectionWrapper> pc1 =
CreatePeerConnection(media_type, semantics);
auto transceiver1 = pc1->AddTransceiver(media_type);
auto modified_extensions = transceiver1->GetHeaderExtensionsToNegotiate();
modified_extensions[3].direction = RtpTransceiverDirection::kStopped;
transceiver1->SetHeaderExtensionsToNegotiate(modified_extensions);
auto transceiver2 = pc1->AddTransceiver(media_type);
auto session_description = pc1->CreateOffer();
EXPECT_THAT(session_description->description()
->contents()[0]
.media_description()
->rtp_header_extensions(),
ElementsAre(Field(&RtpExtension::uri, "uri2"),
Field(&RtpExtension::uri, "uri3")));
EXPECT_THAT(session_description->description()
->contents()[1]
.media_description()
->rtp_header_extensions(),
ElementsAre(Field(&RtpExtension::uri, "uri2"),
Field(&RtpExtension::uri, "uri3"),
Field(&RtpExtension::uri, "uri4")));
}
TEST_P(PeerConnectionHeaderExtensionTest, RemovalAfterRenegotiation) {
cricket::MediaType media_type;
SdpSemantics semantics;
std::tie(media_type, semantics) = GetParam();
if (semantics != SdpSemantics::kUnifiedPlan)
return;
std::unique_ptr<PeerConnectionWrapper> pc1 =
CreatePeerConnection(media_type, semantics);
std::unique_ptr<PeerConnectionWrapper> pc2 =
CreatePeerConnection(media_type, semantics);
auto transceiver1 = pc1->AddTransceiver(media_type);
auto offer = pc1->CreateOfferAndSetAsLocal(
PeerConnectionInterface::RTCOfferAnswerOptions());
pc2->SetRemoteDescription(std::move(offer));
auto answer = pc2->CreateAnswerAndSetAsLocal(
PeerConnectionInterface::RTCOfferAnswerOptions());
pc1->SetRemoteDescription(std::move(answer));
auto modified_extensions = transceiver1->GetHeaderExtensionsToNegotiate();
modified_extensions[3].direction = RtpTransceiverDirection::kStopped;
modified_extensions[3].direction = RtpTransceiverDirection::kStopped;
transceiver1->SetHeaderExtensionsToNegotiate(modified_extensions);
auto session_description = pc1->CreateOffer();
EXPECT_THAT(session_description->description()
->contents()[0]
.media_description()
->rtp_header_extensions(),
ElementsAre(Field(&RtpExtension::uri, "uri2"),
Field(&RtpExtension::uri, "uri3")));
}
INSTANTIATE_TEST_SUITE_P(
,
PeerConnectionHeaderExtensionTest,
Combine(Values(SdpSemantics::kPlanB_DEPRECATED, SdpSemantics::kUnifiedPlan),
Values(cricket::MediaType::MEDIA_TYPE_AUDIO,
cricket::MediaType::MEDIA_TYPE_VIDEO)),
[](const testing::TestParamInfo<
PeerConnectionHeaderExtensionTest::ParamType>& info) {
cricket::MediaType media_type;
SdpSemantics semantics;
std::tie(media_type, semantics) = info.param;
return (rtc::StringBuilder("With")
<< (semantics == SdpSemantics::kPlanB_DEPRECATED ? "PlanB"
: "UnifiedPlan")
<< "And"
<< (media_type == cricket::MediaType::MEDIA_TYPE_AUDIO ? "Voice"
: "Video")
<< "Engine")
.str();
});
} // namespace webrtc
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