80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
// Copyright 2021 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "components/metrics/metrics_data_validation.h"
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#include "base/test/scoped_feature_list.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace metrics {
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namespace {
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TEST(MetricsDataValidationTest, TestGetPseudoMetricsSampleNumeric) {
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const double sample = 100;
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{
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base::test::ScopedFeatureList scoped_feature_list;
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// When the feature is not enabled, |sample| should not be changed.
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EXPECT_DOUBLE_EQ(GetPseudoMetricsSample(sample), sample);
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}
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{
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base::test::ScopedFeatureList scoped_feature_list;
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// Small effect size.
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scoped_feature_list.InitAndEnableFeatureWithParameters(
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internal::kPseudoMetricsEffectFeature,
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{{"multiplicative_factor", "1.02"}});
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// Added a small effect size. Make sure it relects on the pseudo sample.
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EXPECT_DOUBLE_EQ(GetPseudoMetricsSample(sample), 102);
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}
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{
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base::test::ScopedFeatureList scoped_feature_list;
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// Add Big effect size and additive factor.
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scoped_feature_list.InitAndEnableFeatureWithParameters(
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internal::kPseudoMetricsEffectFeature,
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{{"multiplicative_factor", "1.10"}, {"additive_factor", "5"}});
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// Added a big effect size and additive factor. Make sure it relects on the
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// pseudo sample.
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EXPECT_DOUBLE_EQ(GetPseudoMetricsSample(sample), 115);
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}
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}
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TEST(MetricsDataValidationTest, TestGetPseudoMetricsSampleTimeDelta) {
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// Make sure this also works for time metrics.
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const base::TimeDelta sample = base::Milliseconds(100);
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{
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base::test::ScopedFeatureList scoped_feature_list;
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EXPECT_EQ(GetPseudoMetricsSample(sample), sample);
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}
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{
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base::test::ScopedFeatureList scoped_feature_list;
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// Small effect size.
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scoped_feature_list.InitAndEnableFeatureWithParameters(
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internal::kPseudoMetricsEffectFeature,
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{{"multiplicative_factor", "1.02"}});
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EXPECT_EQ(GetPseudoMetricsSample(sample), base::Milliseconds(102));
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}
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{
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base::test::ScopedFeatureList scoped_feature_list;
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// Big effect size.
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scoped_feature_list.InitAndEnableFeatureWithParameters(
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internal::kPseudoMetricsEffectFeature,
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{{"multiplicative_factor", "1.10"}, {"additive_factor", "5"}});
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EXPECT_EQ(GetPseudoMetricsSample(sample), base::Milliseconds(115));
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}
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}
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} // namespace
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} // namespace metrics
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