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/*
* Copyright (c) 2022 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 "api/test/metrics/print_result_proxy_metrics_exporter.h"
#include <map>
#include <string>
#include <vector>
#include "api/test/metrics/metric.h"
#include "api/units/timestamp.h"
#include "test/gmock.h"
#include "test/gtest.h"
namespace webrtc {
namespace test {
namespace {
using ::testing::TestWithParam;
std::map<std::string, std::string> DefaultMetadata() {
return std::map<std::string, std::string>{{"key", "value"}};
}
Metric::TimeSeries::Sample Sample(double value) {
return Metric::TimeSeries::Sample{.timestamp = Timestamp::Seconds(1),
.value = value,
.sample_metadata = DefaultMetadata()};
}
TEST(PrintResultProxyMetricsExporterTest,
ExportMetricsWithTimeSeriesFormatCorrect) {
Metric metric1{
.name = "test_metric1",
.unit = Unit::kMilliseconds,
.improvement_direction = ImprovementDirection::kBiggerIsBetter,
.test_case = "test_case_name1",
.metric_metadata = DefaultMetadata(),
.time_series =
Metric::TimeSeries{.samples = std::vector{Sample(10), Sample(20)}},
.stats =
Metric::Stats{.mean = 15.0, .stddev = 5.0, .min = 10.0, .max = 20.0}};
Metric metric2{
.name = "test_metric2",
.unit = Unit::kKilobitsPerSecond,
.improvement_direction = ImprovementDirection::kSmallerIsBetter,
.test_case = "test_case_name2",
.metric_metadata = DefaultMetadata(),
.time_series =
Metric::TimeSeries{.samples = std::vector{Sample(20), Sample(40)}},
.stats = Metric::Stats{
.mean = 30.0, .stddev = 10.0, .min = 20.0, .max = 40.0}};
testing::internal::CaptureStdout();
PrintResultProxyMetricsExporter exporter;
std::string expected =
"RESULT test_metric1: test_case_name1= {15,5} "
"msBestFitFormat_biggerIsBetter\n"
"RESULT test_metric2: test_case_name2= {3750,1250} "
"bytesPerSecond_smallerIsBetter\n";
EXPECT_TRUE(exporter.Export(std::vector<Metric>{metric1, metric2}));
EXPECT_EQ(expected, testing::internal::GetCapturedStdout());
}
TEST(PrintResultProxyMetricsExporterTest,
ExportMetricsTimeSeriesOfSingleValueBackwardCompatibleFormat) {
// This should be printed as {mean, stddev} despite only being a single data
// point.
Metric metric1{
.name = "available_send_bandwidth",
.unit = Unit::kKilobitsPerSecond,
.improvement_direction = ImprovementDirection::kBiggerIsBetter,
.test_case = "test_case/alice",
.metric_metadata = DefaultMetadata(),
.time_series = Metric::TimeSeries{.samples = std::vector{Sample(1000)}},
.stats = Metric::Stats{
.mean = 1000.0, .stddev = 0.0, .min = 1000.0, .max = 1000.0}};
// This is a per-call metric that shouldn't have a stddev estimate.
Metric metric2{
.name = "min_psnr_dB",
.unit = Unit::kUnitless,
.improvement_direction = ImprovementDirection::kBiggerIsBetter,
.test_case = "test_case/alice-video",
.metric_metadata = DefaultMetadata(),
.time_series = Metric::TimeSeries{.samples = std::vector{Sample(10)}},
.stats =
Metric::Stats{.mean = 10.0, .stddev = 0.0, .min = 10.0, .max = 10.0}};
// This is a per-call metric that shouldn't have a stddev estimate.
Metric metric3{
.name = "alice_connected",
.unit = Unit::kUnitless,
.improvement_direction = ImprovementDirection::kBiggerIsBetter,
.test_case = "test_case",
.metric_metadata = DefaultMetadata(),
.time_series = Metric::TimeSeries{.samples = std::vector{Sample(1)}},
.stats =
Metric::Stats{.mean = 1.0, .stddev = 0.0, .min = 1.0, .max = 1.0}};
testing::internal::CaptureStdout();
PrintResultProxyMetricsExporter exporter;
std::string expected =
"RESULT available_send_bandwidth: test_case/alice= {125000,0} "
"bytesPerSecond_biggerIsBetter\n"
"RESULT min_psnr_dB: test_case/alice-video= 10 "
"unitless_biggerIsBetter\n"
"RESULT alice_connected: test_case= 1 "
"unitless_biggerIsBetter\n";
EXPECT_TRUE(exporter.Export(std::vector<Metric>{metric1, metric2, metric3}));
EXPECT_EQ(expected, testing::internal::GetCapturedStdout());
}
TEST(PrintResultProxyMetricsExporterTest,
ExportMetricsWithStatsOnlyFormatCorrect) {
Metric metric1{.name = "test_metric1",
.unit = Unit::kMilliseconds,
.improvement_direction = ImprovementDirection::kBiggerIsBetter,
.test_case = "test_case_name1",
.metric_metadata = DefaultMetadata(),
.time_series = Metric::TimeSeries{.samples = {}},
.stats = Metric::Stats{
.mean = 15.0, .stddev = 5.0, .min = 10.0, .max = 20.0}};
Metric metric2{
.name = "test_metric2",
.unit = Unit::kKilobitsPerSecond,
.improvement_direction = ImprovementDirection::kSmallerIsBetter,
.test_case = "test_case_name2",
.metric_metadata = DefaultMetadata(),
.time_series = Metric::TimeSeries{.samples = {}},
.stats = Metric::Stats{
.mean = 30.0, .stddev = 10.0, .min = 20.0, .max = 40.0}};
testing::internal::CaptureStdout();
PrintResultProxyMetricsExporter exporter;
std::string expected =
"RESULT test_metric1: test_case_name1= {15,5} "
"msBestFitFormat_biggerIsBetter\n"
"RESULT test_metric2: test_case_name2= {3750,1250} "
"bytesPerSecond_smallerIsBetter\n";
EXPECT_TRUE(exporter.Export(std::vector<Metric>{metric1, metric2}));
EXPECT_EQ(expected, testing::internal::GetCapturedStdout());
}
TEST(PrintResultProxyMetricsExporterTest, ExportEmptyMetricOnlyFormatCorrect) {
Metric metric{.name = "test_metric",
.unit = Unit::kMilliseconds,
.improvement_direction = ImprovementDirection::kBiggerIsBetter,
.test_case = "test_case_name",
.metric_metadata = DefaultMetadata(),
.time_series = Metric::TimeSeries{.samples = {}},
.stats = Metric::Stats{}};
testing::internal::CaptureStdout();
PrintResultProxyMetricsExporter exporter;
std::string expected =
"RESULT test_metric: test_case_name= 0 "
"msBestFitFormat_biggerIsBetter\n";
EXPECT_TRUE(exporter.Export(std::vector<Metric>{metric}));
EXPECT_EQ(expected, testing::internal::GetCapturedStdout());
}
} // namespace
} // namespace test
} // namespace webrtc
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