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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/translate/core/common/translate_metrics.h"
#include <memory>
#include "base/metrics/histogram.h"
#include "base/metrics/histogram_samples.h"
#include "base/metrics/metrics_hashes.h"
#include "base/metrics/statistics_recorder.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
using base::HistogramBase;
using base::HistogramSamples;
using base::SampleCountIterator;
using base::StatisticsRecorder;
using base::TimeTicks;
namespace translate {
namespace {
class MetricsRecorder {
public:
explicit MetricsRecorder(const char* key) : key_(key) {
HistogramBase* histogram = StatisticsRecorder::FindHistogram(key_);
if (histogram)
base_samples_ = histogram->SnapshotSamples();
}
MetricsRecorder(const MetricsRecorder&) = delete;
MetricsRecorder& operator=(const MetricsRecorder&) = delete;
void CheckLanguageVerification(int expected_model_only,
int expected_unknown,
int expected_model_agree,
int expected_model_disagree,
int expected_trust_model,
int expected_model_complement_sub_code,
int expected_no_page_content,
int expected_model_not_available) {
ASSERT_EQ(metrics_internal::kTranslateLanguageDetectionLanguageVerification,
key_);
Snapshot();
// EXPECT_EQ(expected_model_disabled,
// GetCountWithoutSnapshot(kModelDisabled)); -- obsolete
EXPECT_EQ(expected_model_only, GetCountWithoutSnapshot(static_cast<int>(
LanguageVerificationType::kModelOnly)));
EXPECT_EQ(expected_unknown, GetCountWithoutSnapshot(static_cast<int>(
LanguageVerificationType::kModelUnknown)));
EXPECT_EQ(expected_model_agree,
GetCountWithoutSnapshot(
static_cast<int>(LanguageVerificationType::kModelAgrees)));
EXPECT_EQ(expected_model_disagree,
GetCountWithoutSnapshot(
static_cast<int>(LanguageVerificationType::kModelDisagrees)));
EXPECT_EQ(expected_trust_model,
GetCountWithoutSnapshot(
static_cast<int>(LanguageVerificationType::kModelOverrides)));
EXPECT_EQ(expected_model_complement_sub_code,
GetCountWithoutSnapshot(static_cast<int>(
LanguageVerificationType::kModelComplementsCountry)));
EXPECT_EQ(expected_no_page_content,
GetCountWithoutSnapshot(
static_cast<int>(LanguageVerificationType::kNoPageContent)));
EXPECT_EQ(expected_model_not_available,
GetCountWithoutSnapshot(static_cast<int>(
LanguageVerificationType::kModelNotAvailable)));
}
void CheckTotalCount(int count) {
Snapshot();
EXPECT_EQ(count, GetTotalCount());
}
void CheckCount(HistogramBase::Sample32 value, int expected) {
if (!samples_) {
Snapshot();
}
EXPECT_EQ(expected, GetCountWithoutSnapshot(value));
}
void CheckValueInLogs(double value) {
Snapshot();
ASSERT_TRUE(samples_.get());
for (std::unique_ptr<SampleCountIterator> i = samples_->Iterator();
!i->Done(); i->Next()) {
HistogramBase::Sample32 min;
int64_t max;
HistogramBase::Count32 count;
i->Get(&min, &max, &count);
if (min <= value && value <= max && count >= 1)
return;
}
EXPECT_FALSE(true);
}
private:
void Snapshot() {
HistogramBase* histogram = StatisticsRecorder::FindHistogram(key_);
if (!histogram)
return;
samples_ = histogram->SnapshotSamples();
}
HistogramBase::Count32 GetCountWithoutSnapshot(HistogramBase::Sample32 value) {
if (!samples_)
return 0;
HistogramBase::Count32 count = samples_->GetCount(value);
if (!base_samples_)
return count;
return count - base_samples_->GetCount(value);
}
HistogramBase::Count32 GetTotalCount() {
if (!samples_)
return 0;
HistogramBase::Count32 count = samples_->TotalCount();
if (!base_samples_)
return count;
return count - base_samples_->TotalCount();
}
std::string key_;
std::unique_ptr<HistogramSamples> base_samples_;
std::unique_ptr<HistogramSamples> samples_;
};
TEST(TranslateMetricsTest, ReportLanguageVerification) {
MetricsRecorder recorder(
metrics_internal::kTranslateLanguageDetectionLanguageVerification);
// ReportLanguageVerification(kModelDisabled); -- obsolete
recorder.CheckLanguageVerification(0, 0, 0, 0, 0, 0, 0, 0);
ReportLanguageVerification(LanguageVerificationType::kModelOnly);
recorder.CheckLanguageVerification(1, 0, 0, 0, 0, 0, 0, 0);
ReportLanguageVerification(LanguageVerificationType::kModelUnknown);
recorder.CheckLanguageVerification(1, 1, 0, 0, 0, 0, 0, 0);
ReportLanguageVerification(LanguageVerificationType::kModelAgrees);
recorder.CheckLanguageVerification(1, 1, 1, 0, 0, 0, 0, 0);
ReportLanguageVerification(LanguageVerificationType::kModelDisagrees);
recorder.CheckLanguageVerification(1, 1, 1, 1, 0, 0, 0, 0);
ReportLanguageVerification(LanguageVerificationType::kModelOverrides);
recorder.CheckLanguageVerification(1, 1, 1, 1, 1, 0, 0, 0);
ReportLanguageVerification(
LanguageVerificationType::kModelComplementsCountry);
recorder.CheckLanguageVerification(1, 1, 1, 1, 1, 1, 0, 0);
ReportLanguageVerification(LanguageVerificationType::kNoPageContent);
recorder.CheckLanguageVerification(1, 1, 1, 1, 1, 1, 1, 0);
ReportLanguageVerification(LanguageVerificationType::kModelNotAvailable);
recorder.CheckLanguageVerification(1, 1, 1, 1, 1, 1, 1, 1);
}
TEST(TranslateMetricsTest, ReportTimeToBeReady) {
MetricsRecorder recorder(metrics_internal::kTranslateTimeToBeReady);
recorder.CheckTotalCount(0);
ReportTimeToBeReady(3.14);
recorder.CheckValueInLogs(3.14);
recorder.CheckTotalCount(1);
}
TEST(TranslateMetricsTest, ReportTimeToLoad) {
MetricsRecorder recorder(metrics_internal::kTranslateTimeToLoad);
recorder.CheckTotalCount(0);
ReportTimeToLoad(573.0);
recorder.CheckValueInLogs(573.0);
recorder.CheckTotalCount(1);
}
TEST(TranslateMetricsTest, ReportTimeToTranslate) {
MetricsRecorder recorder(metrics_internal::kTranslateTimeToTranslate);
recorder.CheckTotalCount(0);
ReportTimeToTranslate(4649.0);
recorder.CheckValueInLogs(4649.0);
recorder.CheckTotalCount(1);
}
TEST(TranslateMetricsTest, ReportTranslatedLanguageDetectionContentLength) {
MetricsRecorder recorder(
metrics_internal::kTranslatedLanguageDetectionContentLength);
recorder.CheckTotalCount(0);
ReportTranslatedLanguageDetectionContentLength(12345);
recorder.CheckValueInLogs(12345);
recorder.CheckTotalCount(1);
}
TEST(TranslateMetricsTest, ReportCompactInfobarEvent) {
MetricsRecorder recorder(metrics_internal::kTranslateCompactInfobarEvent);
recorder.CheckTotalCount(0);
ReportCompactInfobarEvent(InfobarEvent::INFOBAR_IMPRESSION);
ReportCompactInfobarEvent(InfobarEvent::INFOBAR_IMPRESSION);
ReportCompactInfobarEvent(InfobarEvent::INFOBAR_IMPRESSION);
ReportCompactInfobarEvent(InfobarEvent::INFOBAR_REVERT);
ReportCompactInfobarEvent(InfobarEvent::INFOBAR_REVERT);
ReportCompactInfobarEvent(
InfobarEvent::INFOBAR_SNACKBAR_AUTO_ALWAYS_IMPRESSION);
recorder.CheckTotalCount(6);
recorder.CheckCount(static_cast<int>(InfobarEvent::INFOBAR_IMPRESSION), 3);
recorder.CheckCount(static_cast<int>(InfobarEvent::INFOBAR_REVERT), 2);
recorder.CheckCount(
static_cast<int>(InfobarEvent::INFOBAR_SNACKBAR_AUTO_ALWAYS_IMPRESSION),
1);
}
} // namespace
} // namespace translate
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