1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/translate/translate_browser_metrics.h" 6 7 #include "base/basictypes.h" 8 #include "base/memory/scoped_ptr.h" 9 #include "base/metrics/histogram.h" 10 #include "base/metrics/histogram_samples.h" 11 #include "base/metrics/statistics_recorder.h" 12 #include "testing/gtest/include/gtest/gtest.h" 13 #include "testing/platform_test.h" 14 15 using base::HistogramBase; 16 using base::HistogramSamples; 17 using base::StatisticsRecorder; 18 19 namespace { 20 21 class MetricsRecorder { 22 public: 23 explicit MetricsRecorder(const char* key) : key_(key) { 24 StatisticsRecorder::Initialize(); 25 26 HistogramBase* histogram = StatisticsRecorder::FindHistogram(key_); 27 if (histogram) 28 base_samples_ = histogram->SnapshotSamples(); 29 } 30 31 void CheckInitiationStatus(int expected_disabled_by_prefs, 32 int expected_disabled_by_switch, 33 int expected_disabled_by_config, 34 int expected_language_is_not_supported, 35 int expected_mime_type_is_not_supported, 36 int expected_url_is_not_supported, 37 int expected_similar_languages, 38 int expected_accept_languages, 39 int expected_auto_by_config, 40 int expected_auto_by_link, 41 int expected_show_infobar) { 42 Snapshot(); 43 44 EXPECT_EQ(expected_disabled_by_prefs, GetCountWithoutSnapshot( 45 TranslateBrowserMetrics::INITIATION_STATUS_DISABLED_BY_PREFS)); 46 EXPECT_EQ(expected_disabled_by_switch, GetCountWithoutSnapshot( 47 TranslateBrowserMetrics::INITIATION_STATUS_DISABLED_BY_SWITCH)); 48 EXPECT_EQ(expected_disabled_by_config, GetCountWithoutSnapshot( 49 TranslateBrowserMetrics::INITIATION_STATUS_DISABLED_BY_CONFIG)); 50 EXPECT_EQ(expected_language_is_not_supported, GetCountWithoutSnapshot( 51 TranslateBrowserMetrics::INITIATION_STATUS_LANGUAGE_IS_NOT_SUPPORTED)); 52 EXPECT_EQ(expected_mime_type_is_not_supported, GetCountWithoutSnapshot( 53 TranslateBrowserMetrics::INITIATION_STATUS_MIME_TYPE_IS_NOT_SUPPORTED)); 54 EXPECT_EQ(expected_url_is_not_supported, GetCountWithoutSnapshot( 55 TranslateBrowserMetrics::INITIATION_STATUS_URL_IS_NOT_SUPPORTED)); 56 EXPECT_EQ(expected_similar_languages, GetCountWithoutSnapshot( 57 TranslateBrowserMetrics::INITIATION_STATUS_SIMILAR_LANGUAGES)); 58 EXPECT_EQ(expected_accept_languages, GetCountWithoutSnapshot( 59 TranslateBrowserMetrics::INITIATION_STATUS_ACCEPT_LANGUAGES)); 60 EXPECT_EQ(expected_auto_by_config, GetCountWithoutSnapshot( 61 TranslateBrowserMetrics::INITIATION_STATUS_AUTO_BY_CONFIG)); 62 EXPECT_EQ(expected_auto_by_link, GetCountWithoutSnapshot( 63 TranslateBrowserMetrics::INITIATION_STATUS_AUTO_BY_LINK)); 64 EXPECT_EQ(expected_show_infobar, GetCountWithoutSnapshot( 65 TranslateBrowserMetrics::INITIATION_STATUS_SHOW_INFOBAR)); 66 } 67 68 HistogramBase::Count GetTotalCount() { 69 Snapshot(); 70 if (!samples_.get()) 71 return 0; 72 HistogramBase::Count count = samples_->TotalCount(); 73 if (!base_samples_.get()) 74 return count; 75 return count - base_samples_->TotalCount(); 76 } 77 78 HistogramBase::Count GetCount(HistogramBase::Sample value) { 79 Snapshot(); 80 return GetCountWithoutSnapshot(value); 81 } 82 83 private: 84 void Snapshot() { 85 HistogramBase* histogram = StatisticsRecorder::FindHistogram(key_); 86 if (!histogram) 87 return; 88 samples_ = histogram->SnapshotSamples(); 89 } 90 91 HistogramBase::Count GetCountWithoutSnapshot(HistogramBase::Sample value) { 92 if (!samples_.get()) 93 return 0; 94 HistogramBase::Count count = samples_->GetCount(value); 95 if (!base_samples_.get()) 96 return count; 97 return count - base_samples_->GetCount(value); 98 } 99 100 std::string key_; 101 scoped_ptr<HistogramSamples> base_samples_; 102 scoped_ptr<HistogramSamples> samples_; 103 104 DISALLOW_COPY_AND_ASSIGN(MetricsRecorder); 105 }; 106 107 } // namespace 108 109 TEST(TranslateBrowserMetricsTest, ReportInitiationStatus) { 110 MetricsRecorder recorder(TranslateBrowserMetrics::GetMetricsName( 111 TranslateBrowserMetrics::UMA_INITIATION_STATUS)); 112 113 recorder.CheckInitiationStatus(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 114 TranslateBrowserMetrics::ReportInitiationStatus( 115 TranslateBrowserMetrics::INITIATION_STATUS_DISABLED_BY_PREFS); 116 recorder.CheckInitiationStatus(1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 117 TranslateBrowserMetrics::ReportInitiationStatus( 118 TranslateBrowserMetrics::INITIATION_STATUS_DISABLED_BY_SWITCH); 119 recorder.CheckInitiationStatus(1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0); 120 TranslateBrowserMetrics::ReportInitiationStatus( 121 TranslateBrowserMetrics::INITIATION_STATUS_DISABLED_BY_CONFIG); 122 recorder.CheckInitiationStatus(1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0); 123 TranslateBrowserMetrics::ReportInitiationStatus( 124 TranslateBrowserMetrics::INITIATION_STATUS_LANGUAGE_IS_NOT_SUPPORTED); 125 recorder.CheckInitiationStatus(1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0); 126 TranslateBrowserMetrics::ReportInitiationStatus( 127 TranslateBrowserMetrics::INITIATION_STATUS_MIME_TYPE_IS_NOT_SUPPORTED); 128 recorder.CheckInitiationStatus(1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0); 129 TranslateBrowserMetrics::ReportInitiationStatus( 130 TranslateBrowserMetrics::INITIATION_STATUS_URL_IS_NOT_SUPPORTED); 131 recorder.CheckInitiationStatus(1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0); 132 TranslateBrowserMetrics::ReportInitiationStatus( 133 TranslateBrowserMetrics::INITIATION_STATUS_SIMILAR_LANGUAGES); 134 recorder.CheckInitiationStatus(1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0); 135 TranslateBrowserMetrics::ReportInitiationStatus( 136 TranslateBrowserMetrics::INITIATION_STATUS_ACCEPT_LANGUAGES); 137 recorder.CheckInitiationStatus(1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0); 138 TranslateBrowserMetrics::ReportInitiationStatus( 139 TranslateBrowserMetrics::INITIATION_STATUS_AUTO_BY_CONFIG); 140 recorder.CheckInitiationStatus(1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0); 141 TranslateBrowserMetrics::ReportInitiationStatus( 142 TranslateBrowserMetrics::INITIATION_STATUS_AUTO_BY_LINK); 143 recorder.CheckInitiationStatus(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0); 144 TranslateBrowserMetrics::ReportInitiationStatus( 145 TranslateBrowserMetrics::INITIATION_STATUS_SHOW_INFOBAR); 146 recorder.CheckInitiationStatus(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1); 147 } 148 149 TEST(TranslateBrowserMetricsTest, ReportLanguageDetectionError) { 150 MetricsRecorder recorder(TranslateBrowserMetrics::GetMetricsName( 151 TranslateBrowserMetrics::UMA_LANGUAGE_DETECTION_ERROR)); 152 EXPECT_EQ(0, recorder.GetTotalCount()); 153 TranslateBrowserMetrics::ReportLanguageDetectionError(); 154 EXPECT_EQ(1, recorder.GetTotalCount()); 155 156 } 157 158 159 TEST(TranslateBrowserMetricsTest, ReportedLocalesOnDisabledByPrefs) { 160 const int ENGLISH = 25966; 161 162 MetricsRecorder recorder(TranslateBrowserMetrics::GetMetricsName( 163 TranslateBrowserMetrics::UMA_LOCALES_ON_DISABLED_BY_PREFS)); 164 EXPECT_EQ(0, recorder.GetTotalCount()); 165 TranslateBrowserMetrics::ReportLocalesOnDisabledByPrefs("en"); 166 EXPECT_EQ(1, recorder.GetCount(ENGLISH)); 167 } 168 169 TEST(TranslateBrowserMetricsTest, ReportedUndisplayableLanguage) { 170 const int ENGLISH = 25966; 171 172 MetricsRecorder recorder(TranslateBrowserMetrics::GetMetricsName( 173 TranslateBrowserMetrics::UMA_UNDISPLAYABLE_LANGUAGE)); 174 EXPECT_EQ(0, recorder.GetTotalCount()); 175 TranslateBrowserMetrics::ReportUndisplayableLanguage("en"); 176 EXPECT_EQ(1, recorder.GetCount(ENGLISH)); 177 } 178 179 TEST(TranslateBrowserMetricsTest, ReportedUnsupportedLanguageAtInitiation) { 180 const int ENGLISH = 25966; 181 182 MetricsRecorder recorder(TranslateBrowserMetrics::GetMetricsName( 183 TranslateBrowserMetrics::UMA_UNSUPPORTED_LANGUAGE_AT_INITIATION)); 184 EXPECT_EQ(0, recorder.GetTotalCount()); 185 TranslateBrowserMetrics::ReportUnsupportedLanguageAtInitiation("en"); 186 EXPECT_EQ(1, recorder.GetCount(ENGLISH)); 187 } 188
