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-rw-r--r--third_party/libwebrtc/api/test/metrics/chrome_perf_dashboard_metrics_exporter_test.cc248
1 files changed, 248 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/test/metrics/chrome_perf_dashboard_metrics_exporter_test.cc b/third_party/libwebrtc/api/test/metrics/chrome_perf_dashboard_metrics_exporter_test.cc
new file mode 100644
index 0000000000..5d3136f49a
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+++ b/third_party/libwebrtc/api/test/metrics/chrome_perf_dashboard_metrics_exporter_test.cc
@@ -0,0 +1,248 @@
+/*
+ * 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/chrome_perf_dashboard_metrics_exporter.h"
+
+#include <fstream>
+#include <map>
+#include <vector>
+
+#include "api/test/metrics/metric.h"
+#include "api/units/timestamp.h"
+#include "test/gmock.h"
+#include "test/gtest.h"
+#include "test/testsupport/file_utils.h"
+#include "third_party/catapult/tracing/tracing/value/histogram.h"
+
+namespace webrtc {
+namespace test {
+namespace {
+
+using ::testing::DoubleNear;
+using ::testing::Eq;
+using ::testing::Test;
+
+namespace proto = ::catapult::tracing::tracing::proto;
+
+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()};
+}
+
+std::string ReadFileAsString(const std::string& filename) {
+ std::ifstream infile(filename, std::ios_base::binary);
+ auto buffer = std::vector<char>(std::istreambuf_iterator<char>(infile),
+ std::istreambuf_iterator<char>());
+ return std::string(buffer.begin(), buffer.end());
+}
+
+class ChromePerfDashboardMetricsExporterTest : public Test {
+ protected:
+ ~ChromePerfDashboardMetricsExporterTest() override = default;
+
+ void SetUp() override {
+ temp_filename_ = webrtc::test::TempFilename(
+ webrtc::test::OutputPath(),
+ "chrome_perf_dashboard_metrics_exporter_test");
+ }
+
+ void TearDown() override {
+ ASSERT_TRUE(webrtc::test::RemoveFile(temp_filename_));
+ }
+
+ std::string temp_filename_;
+};
+
+TEST_F(ChromePerfDashboardMetricsExporterTest, ExportMetricFormatCorrect) {
+ 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}};
+
+ ChromePerfDashboardMetricsExporter exporter(temp_filename_);
+
+ ASSERT_TRUE(exporter.Export(std::vector<Metric>{metric1, metric2}));
+ proto::HistogramSet actual_histogram_set;
+ actual_histogram_set.ParseFromString(ReadFileAsString(temp_filename_));
+ EXPECT_THAT(actual_histogram_set.histograms().size(), Eq(2));
+
+ // Validate output for `metric1`
+ EXPECT_THAT(actual_histogram_set.histograms(0).name(), Eq("test_metric1"));
+ EXPECT_THAT(actual_histogram_set.histograms(0).unit().unit(),
+ Eq(proto::Unit::MS_BEST_FIT_FORMAT));
+ EXPECT_THAT(actual_histogram_set.histograms(0).unit().improvement_direction(),
+ Eq(proto::ImprovementDirection::BIGGER_IS_BETTER));
+ EXPECT_THAT(
+ actual_histogram_set.histograms(0).diagnostics().diagnostic_map().size(),
+ Eq(1lu));
+ EXPECT_THAT(actual_histogram_set.histograms(0)
+ .diagnostics()
+ .diagnostic_map()
+ .at("stories")
+ .generic_set()
+ .values(0),
+ Eq("\"test_case_name1\""));
+ EXPECT_THAT(actual_histogram_set.histograms(0).sample_values().size(), Eq(2));
+ EXPECT_THAT(actual_histogram_set.histograms(0).sample_values(0), Eq(10.0));
+ EXPECT_THAT(actual_histogram_set.histograms(0).sample_values(1), Eq(20.0));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().count(), Eq(2));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().max(), Eq(20));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().meanlogs(),
+ DoubleNear(2.64916, 0.1));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().mean(), Eq(15));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().min(), Eq(10));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().sum(), Eq(30));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().variance(), Eq(50));
+
+ // Validate output for `metric2`
+ EXPECT_THAT(actual_histogram_set.histograms(1).name(), Eq("test_metric2"));
+ EXPECT_THAT(actual_histogram_set.histograms(1).unit().unit(),
+ Eq(proto::Unit::BYTES_PER_SECOND));
+ EXPECT_THAT(actual_histogram_set.histograms(1).unit().improvement_direction(),
+ Eq(proto::ImprovementDirection::SMALLER_IS_BETTER));
+ EXPECT_THAT(
+ actual_histogram_set.histograms(1).diagnostics().diagnostic_map().size(),
+ Eq(1lu));
+ EXPECT_THAT(actual_histogram_set.histograms(1)
+ .diagnostics()
+ .diagnostic_map()
+ .at("stories")
+ .generic_set()
+ .values(0),
+ Eq("\"test_case_name2\""));
+ EXPECT_THAT(actual_histogram_set.histograms(1).sample_values().size(), Eq(2));
+ EXPECT_THAT(actual_histogram_set.histograms(1).sample_values(0), Eq(2500.0));
+ EXPECT_THAT(actual_histogram_set.histograms(1).sample_values(1), Eq(5000.0));
+ EXPECT_THAT(actual_histogram_set.histograms(1).running().count(), Eq(2));
+ EXPECT_THAT(actual_histogram_set.histograms(1).running().max(), Eq(5000));
+ EXPECT_THAT(actual_histogram_set.histograms(1).running().meanlogs(),
+ DoubleNear(8.17062, 0.1));
+ EXPECT_THAT(actual_histogram_set.histograms(1).running().mean(), Eq(3750));
+ EXPECT_THAT(actual_histogram_set.histograms(1).running().min(), Eq(2500));
+ EXPECT_THAT(actual_histogram_set.histograms(1).running().sum(), Eq(7500));
+ EXPECT_THAT(actual_histogram_set.histograms(1).running().variance(),
+ Eq(3125000));
+}
+
+TEST_F(ChromePerfDashboardMetricsExporterTest,
+ ExportEmptyMetricExportsZeroValue) {
+ 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{}};
+
+ ChromePerfDashboardMetricsExporter exporter(temp_filename_);
+
+ ASSERT_TRUE(exporter.Export(std::vector<Metric>{metric}));
+ proto::HistogramSet actual_histogram_set;
+ actual_histogram_set.ParseFromString(ReadFileAsString(temp_filename_));
+ EXPECT_THAT(actual_histogram_set.histograms().size(), Eq(1));
+
+ // Validate values for `metric`
+ EXPECT_THAT(actual_histogram_set.histograms(0).sample_values().size(), Eq(1));
+ EXPECT_THAT(actual_histogram_set.histograms(0).sample_values(0), Eq(0.0));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().count(), Eq(1));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().max(),
+ DoubleNear(0, 1e-6));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().meanlogs(), Eq(0));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().mean(), Eq(0));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().min(), Eq(0));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().sum(), Eq(0));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().variance(), Eq(0));
+}
+
+TEST_F(ChromePerfDashboardMetricsExporterTest,
+ ExportMetricWithOnlyStatsExportsMeanValues) {
+ 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{
+ .mean = 15.0, .stddev = 5.0, .min = 10.0, .max = 20.0}};
+
+ ChromePerfDashboardMetricsExporter exporter(temp_filename_);
+
+ ASSERT_TRUE(exporter.Export(std::vector<Metric>{metric}));
+ proto::HistogramSet actual_histogram_set;
+ actual_histogram_set.ParseFromString(ReadFileAsString(temp_filename_));
+ EXPECT_THAT(actual_histogram_set.histograms().size(), Eq(1));
+
+ // Validate values for `metric`
+ EXPECT_THAT(actual_histogram_set.histograms(0).sample_values().size(), Eq(1));
+ EXPECT_THAT(actual_histogram_set.histograms(0).sample_values(0), Eq(15.0));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().count(), Eq(1));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().max(), Eq(15));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().meanlogs(),
+ DoubleNear(2.70805, 0.1));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().mean(), Eq(15));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().min(), Eq(15));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().sum(), Eq(15));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().variance(), Eq(0));
+}
+
+TEST_F(ChromePerfDashboardMetricsExporterTest,
+ ExportMetricWithOnlyStatsConvertsMeanValuesWhenRequired) {
+ Metric metric{.name = "test_metric",
+ .unit = Unit::kKilobitsPerSecond,
+ .improvement_direction = ImprovementDirection::kBiggerIsBetter,
+ .test_case = "test_case_name",
+ .metric_metadata = DefaultMetadata(),
+ .time_series = Metric::TimeSeries{.samples = {}},
+ .stats = Metric::Stats{
+ .mean = 15.0, .stddev = 5.0, .min = 10.0, .max = 20.0}};
+
+ ChromePerfDashboardMetricsExporter exporter(temp_filename_);
+
+ ASSERT_TRUE(exporter.Export(std::vector<Metric>{metric}));
+ proto::HistogramSet actual_histogram_set;
+ actual_histogram_set.ParseFromString(ReadFileAsString(temp_filename_));
+ EXPECT_THAT(actual_histogram_set.histograms().size(), Eq(1));
+
+ // Validate values for `metric`
+ EXPECT_THAT(actual_histogram_set.histograms(0).sample_values().size(), Eq(1));
+ EXPECT_THAT(actual_histogram_set.histograms(0).sample_values(0), Eq(1875.0));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().count(), Eq(1));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().max(), Eq(1875));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().meanlogs(),
+ DoubleNear(7.53636, 0.1));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().mean(), Eq(1875));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().min(), Eq(1875));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().sum(), Eq(1875));
+ EXPECT_THAT(actual_histogram_set.histograms(0).running().variance(), Eq(0));
+}
+
+} // namespace
+} // namespace test
+} // namespace webrtc
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