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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/metrics_set_proto_file_exporter.h"
#include <fstream>
#include <map>
#include <string>
#include <vector>
#include "api/test/metrics/metric.h"
#include "api/test/metrics/proto/metric.pb.h"
#include "api/units/timestamp.h"
#include "rtc_base/protobuf_utils.h"
#include "test/gmock.h"
#include "test/gtest.h"
#include "test/testsupport/file_utils.h"
namespace webrtc {
namespace test {
namespace {
using ::testing::Eq;
using ::testing::Test;
namespace proto = ::webrtc::test_metrics;
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());
}
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()};
}
void AssertSamplesEqual(const proto::Metric::TimeSeries::Sample& actual_sample,
const Metric::TimeSeries::Sample& expected_sample) {
EXPECT_THAT(actual_sample.value(), Eq(expected_sample.value));
EXPECT_THAT(actual_sample.timestamp_us(), Eq(expected_sample.timestamp.us()));
EXPECT_THAT(actual_sample.sample_metadata().size(),
Eq(expected_sample.sample_metadata.size()));
for (const auto& [key, value] : expected_sample.sample_metadata) {
EXPECT_THAT(actual_sample.sample_metadata().at(key), Eq(value));
}
}
class MetricsSetProtoFileExporterTest : public Test {
protected:
~MetricsSetProtoFileExporterTest() override = default;
void SetUp() override {
temp_filename_ = webrtc::test::TempFilename(
webrtc::test::OutputPath(), "metrics_set_proto_file_exporter_test");
}
void TearDown() override {
ASSERT_TRUE(webrtc::test::RemoveFile(temp_filename_));
}
std::string temp_filename_;
};
TEST_F(MetricsSetProtoFileExporterTest, MetricsAreExportedCorrectly) {
MetricsSetProtoFileExporter::Options options(temp_filename_);
MetricsSetProtoFileExporter exporter(options);
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}};
ASSERT_TRUE(exporter.Export(std::vector<Metric>{metric1, metric2}));
webrtc::test_metrics::MetricsSet actual_metrics_set;
actual_metrics_set.ParseFromString(ReadFileAsString(temp_filename_));
EXPECT_THAT(actual_metrics_set.metrics().size(), Eq(2));
EXPECT_THAT(actual_metrics_set.metrics(0).name(), Eq("test_metric1"));
EXPECT_THAT(actual_metrics_set.metrics(0).test_case(), Eq("test_case_name1"));
EXPECT_THAT(actual_metrics_set.metrics(0).unit(),
Eq(proto::Unit::MILLISECONDS));
EXPECT_THAT(actual_metrics_set.metrics(0).improvement_direction(),
Eq(proto::ImprovementDirection::BIGGER_IS_BETTER));
EXPECT_THAT(actual_metrics_set.metrics(0).metric_metadata().size(), Eq(1lu));
EXPECT_THAT(actual_metrics_set.metrics(0).metric_metadata().at("key"),
Eq("value"));
EXPECT_THAT(actual_metrics_set.metrics(0).time_series().samples().size(),
Eq(2));
AssertSamplesEqual(actual_metrics_set.metrics(0).time_series().samples(0),
Sample(10.0));
AssertSamplesEqual(actual_metrics_set.metrics(0).time_series().samples(1),
Sample(20.0));
EXPECT_THAT(actual_metrics_set.metrics(0).stats().mean(), Eq(15.0));
EXPECT_THAT(actual_metrics_set.metrics(0).stats().stddev(), Eq(5.0));
EXPECT_THAT(actual_metrics_set.metrics(0).stats().min(), Eq(10.0));
EXPECT_THAT(actual_metrics_set.metrics(0).stats().max(), Eq(20.0));
EXPECT_THAT(actual_metrics_set.metrics(1).name(), Eq("test_metric2"));
EXPECT_THAT(actual_metrics_set.metrics(1).test_case(), Eq("test_case_name2"));
EXPECT_THAT(actual_metrics_set.metrics(1).unit(),
Eq(proto::Unit::KILOBITS_PER_SECOND));
EXPECT_THAT(actual_metrics_set.metrics(1).improvement_direction(),
Eq(proto::ImprovementDirection::SMALLER_IS_BETTER));
EXPECT_THAT(actual_metrics_set.metrics(1).metric_metadata().size(), Eq(1lu));
EXPECT_THAT(actual_metrics_set.metrics(1).metric_metadata().at("key"),
Eq("value"));
EXPECT_THAT(actual_metrics_set.metrics(1).time_series().samples().size(),
Eq(2));
AssertSamplesEqual(actual_metrics_set.metrics(1).time_series().samples(0),
Sample(20.0));
AssertSamplesEqual(actual_metrics_set.metrics(1).time_series().samples(1),
Sample(40.0));
EXPECT_THAT(actual_metrics_set.metrics(1).stats().mean(), Eq(30.0));
EXPECT_THAT(actual_metrics_set.metrics(1).stats().stddev(), Eq(10.0));
EXPECT_THAT(actual_metrics_set.metrics(1).stats().min(), Eq(20.0));
EXPECT_THAT(actual_metrics_set.metrics(1).stats().max(), Eq(40.0));
}
} // namespace
} // namespace test
} // namespace webrtc
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