chromium/net/dns/httpssvc_metrics_unittest.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "net/dns/httpssvc_metrics.h"

#include <optional>
#include <string>
#include <string_view>
#include <tuple>

#include "base/feature_list.h"
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "net/base/features.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace net {

// Base for testing the metrics collection code in |HttpssvcMetrics|.
class HttpssvcMetricsTest : public ::testing::TestWithParam<bool> { … };

INSTANTIATE_TEST_SUITE_P(…);

// Only record metrics for a non-HTTPS query.
TEST_P(HttpssvcMetricsTest, AddressAndExperimentalMissing) { … }

TEST_P(HttpssvcMetricsTest, AddressAndHttpsParsable) { … }

// This test simulates an HTTPS response that includes no HTTPS records,
// but does have an error value for the RCODE.
TEST_P(HttpssvcMetricsTest, AddressAndHttpsMissingWithRcode) { … }

// This test simulates an HTTPS response that includes a parsable HTTPS
// record, but also has an error RCODE.
TEST_P(HttpssvcMetricsTest, AddressAndHttpsParsableWithRcode) { … }

// This test simulates an HTTPS response that includes a mangled HTTPS
// record *and* has an error RCODE.
TEST_P(HttpssvcMetricsTest, AddressAndHttpsMangledWithRcode) { … }

// This test simulates successful address queries and an HTTPS query that
// timed out.
TEST_P(HttpssvcMetricsTest, AddressAndHttpsTimedOut) { … }

}  // namespace net