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/*
* Copyright (c) 2019 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 "absl/flags/declare.h"
#include "absl/flags/flag.h"
#include "absl/strings/string_view.h"
#include "api/test/create_network_emulation_manager.h"
#include "api/test/create_peerconnection_quality_test_fixture.h"
#include "api/test/metrics/chrome_perf_dashboard_metrics_exporter.h"
#include "api/test/metrics/global_metrics_logger_and_exporter.h"
#include "api/test/metrics/metrics_exporter.h"
#include "api/test/metrics/stdout_metrics_exporter.h"
#include "api/test/network_emulation_manager.h"
#include "api/test/pclf/media_configuration.h"
#include "api/test/pclf/media_quality_test_params.h"
#include "api/test/pclf/peer_configurer.h"
#include "api/test/peerconnection_quality_test_fixture.h"
#include "api/test/simulated_network.h"
#include "api/test/time_controller.h"
#include "call/simulated_network.h"
#include "test/gtest.h"
#include "test/pc/e2e/network_quality_metrics_reporter.h"
#include "test/testsupport/file_utils.h"
ABSL_DECLARE_FLAG(std::string, test_case_prefix);
ABSL_DECLARE_FLAG(int, sample_rate_hz);
ABSL_DECLARE_FLAG(bool, quick);
namespace webrtc {
namespace test {
using ::webrtc::webrtc_pc_e2e::AudioConfig;
using ::webrtc::webrtc_pc_e2e::PeerConfigurer;
using ::webrtc::webrtc_pc_e2e::RunParams;
namespace {
constexpr int kTestDurationMs = 5400;
constexpr int kQuickTestDurationMs = 100;
std::string GetMetricTestCaseName() {
const ::testing::TestInfo* const test_info =
::testing::UnitTest::GetInstance()->current_test_info();
std::string test_case_prefix(absl::GetFlag(FLAGS_test_case_prefix));
if (test_case_prefix.empty()) {
return test_info->name();
}
return test_case_prefix + "_" + test_info->name();
}
std::unique_ptr<webrtc_pc_e2e::PeerConnectionE2EQualityTestFixture>
CreateTestFixture(absl::string_view test_case_name,
TimeController& time_controller,
std::pair<EmulatedNetworkManagerInterface*,
EmulatedNetworkManagerInterface*> network_links,
rtc::FunctionView<void(PeerConfigurer*)> alice_configurer,
rtc::FunctionView<void(PeerConfigurer*)> bob_configurer) {
auto fixture = webrtc_pc_e2e::CreatePeerConnectionE2EQualityTestFixture(
std::string(test_case_name), time_controller,
/*audio_quality_analyzer=*/nullptr,
/*video_quality_analyzer=*/nullptr);
auto alice = std::make_unique<PeerConfigurer>(
network_links.first->network_dependencies());
auto bob = std::make_unique<PeerConfigurer>(
network_links.second->network_dependencies());
alice_configurer(alice.get());
bob_configurer(bob.get());
fixture->AddPeer(std::move(alice));
fixture->AddPeer(std::move(bob));
fixture->AddQualityMetricsReporter(
std::make_unique<webrtc_pc_e2e::NetworkQualityMetricsReporter>(
network_links.first, network_links.second,
test::GetGlobalMetricsLogger()));
return fixture;
}
std::string FileSampleRateSuffix() {
return std::to_string(absl::GetFlag(FLAGS_sample_rate_hz) / 1000);
}
std::string AudioInputFile() {
return test::ResourcePath("voice_engine/audio_tiny" + FileSampleRateSuffix(),
"wav");
}
std::string AudioOutputFile() {
const ::testing::TestInfo* const test_info =
::testing::UnitTest::GetInstance()->current_test_info();
return webrtc::test::OutputPath() + "PCLowBandwidth_" + test_info->name() +
"_" + FileSampleRateSuffix() + ".wav";
}
std::string PerfResultsOutputFile() {
return webrtc::test::OutputPath() + "PCLowBandwidth_perf_" +
FileSampleRateSuffix() + ".pb";
}
void LogTestResults() {
std::string perf_results_output_file = PerfResultsOutputFile();
std::vector<std::unique_ptr<MetricsExporter>> exporters;
exporters.push_back(std::make_unique<StdoutMetricsExporter>());
exporters.push_back(std::make_unique<ChromePerfDashboardMetricsExporter>(
perf_results_output_file));
EXPECT_TRUE(
ExportPerfMetric(*GetGlobalMetricsLogger(), std::move(exporters)));
const ::testing::TestInfo* const test_info =
::testing::UnitTest::GetInstance()->current_test_info();
// Output information about the input and output audio files so that further
// processing can be done by an external process.
printf("TEST %s %s %s %s\n", test_info->name(), AudioInputFile().c_str(),
AudioOutputFile().c_str(), perf_results_output_file.c_str());
}
} // namespace
TEST(PCLowBandwidthAudioTest, PCGoodNetworkHighBitrate) {
std::unique_ptr<NetworkEmulationManager> network_emulation_manager =
CreateNetworkEmulationManager();
auto fixture = CreateTestFixture(
GetMetricTestCaseName(), *network_emulation_manager->time_controller(),
network_emulation_manager->CreateEndpointPairWithTwoWayRoutes(
BuiltInNetworkBehaviorConfig()),
[](PeerConfigurer* alice) {
AudioConfig audio;
audio.stream_label = "alice-audio";
audio.mode = AudioConfig::Mode::kFile;
audio.input_file_name = AudioInputFile();
audio.output_dump_file_name = AudioOutputFile();
audio.sampling_frequency_in_hz = absl::GetFlag(FLAGS_sample_rate_hz);
alice->SetAudioConfig(std::move(audio));
},
[](PeerConfigurer* bob) {});
fixture->Run(RunParams(TimeDelta::Millis(
absl::GetFlag(FLAGS_quick) ? kQuickTestDurationMs : kTestDurationMs)));
LogTestResults();
}
TEST(PCLowBandwidthAudioTest, PC40kbpsNetwork) {
std::unique_ptr<NetworkEmulationManager> network_emulation_manager =
CreateNetworkEmulationManager();
BuiltInNetworkBehaviorConfig config;
config.link_capacity_kbps = 40;
config.queue_length_packets = 1500;
config.queue_delay_ms = 400;
config.loss_percent = 1;
auto fixture = CreateTestFixture(
GetMetricTestCaseName(), *network_emulation_manager->time_controller(),
network_emulation_manager->CreateEndpointPairWithTwoWayRoutes(config),
[](PeerConfigurer* alice) {
AudioConfig audio;
audio.stream_label = "alice-audio";
audio.mode = AudioConfig::Mode::kFile;
audio.input_file_name = AudioInputFile();
audio.output_dump_file_name = AudioOutputFile();
audio.sampling_frequency_in_hz = absl::GetFlag(FLAGS_sample_rate_hz);
alice->SetAudioConfig(std::move(audio));
},
[](PeerConfigurer* bob) {});
fixture->Run(RunParams(TimeDelta::Millis(
absl::GetFlag(FLAGS_quick) ? kQuickTestDurationMs : kTestDurationMs)));
LogTestResults();
}
} // namespace test
} // namespace webrtc
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