components/metrics/unsent_log_store_metrics_impl_unittest.cc

   1 // Copyright 2020 The Chromium Authors
   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 "components/metrics/unsent_log_store_metrics_impl.h"
   6
   7 #include "base/test/metrics/histogram_tester.h"
   8 #include "base/test/scoped_feature_list.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 namespace metrics {
  12
  13 TEST(UnsentLogStoreMetricsImplTest, RecordDroppedLogSize) {
  14   UnsentLogStoreMetricsImpl impl;
  15   base::HistogramTester histogram_tester;
  16
  17   impl.RecordDroppedLogSize(99999);
  18   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.DroppedSize", 99999, 1);
  19 }
  20
  21 TEST(UnsentLogStoreMetricsImplTest, RecordDroppedLogsNum) {
  22   UnsentLogStoreMetricsImpl impl;
  23   base::HistogramTester histogram_tester;
  24
  25   impl.RecordDroppedLogsNum(17);
  26   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.Dropped", 17, 1);
  27 }
  28
  29 TEST(UnsentLogStoreMetricsImplTest, RecordLastUnsentLogMetadataMetrics) {
  30   base::test::ScopedFeatureList feature_override;
  31   feature_override.InitAndEnableFeature(kRecordLastUnsentLogMetadataMetrics);
  32   UnsentLogStoreMetricsImpl impl;
  33   base::HistogramTester histogram_tester;
  34
  35   impl.RecordLastUnsentLogMetadataMetrics(99, 19999, 63);
  36   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.UnsentCount", 99, 1);
  37   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.SentCount", 19999, 1);
  38   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.UnsentPercentage",
  39                                      99 * 100 / (99 + 19999), 1);
  40   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.PersistedSizeInKB", 63, 1);
  41 }
  42
  43 TEST(UnsentLogStoreMetricsImplTest, DisableRecordLastUnsentLogMetadataMetrics) {
  44   UnsentLogStoreMetricsImpl impl;
  45   base::HistogramTester histogram_tester;
  46
  47   impl.RecordLastUnsentLogMetadataMetrics(99, 19999, 63);
  48   EXPECT_TRUE(
  49       histogram_tester.GetAllSamples("UMA.UnsentLogs.UnsentCount").empty());
  50   EXPECT_TRUE(
  51       histogram_tester.GetAllSamples("UMA.UnsentLogs.SentCount").empty());
  52   EXPECT_TRUE(histogram_tester.GetAllSamples("UMA.UnsentLogs.UnsentPercentage")
  53                   .empty());
  54   EXPECT_TRUE(histogram_tester.GetAllSamples("UMA.UnsentLogs.PersistedSizeInKB")
  55                   .empty());
  56 }
  57
  58 TEST(UnsentLogStoreMetricsImplTest, BothUnsentAndSentZeroSample) {
  59   base::test::ScopedFeatureList feature_override;
  60   feature_override.InitAndEnableFeature(kRecordLastUnsentLogMetadataMetrics);
  61   UnsentLogStoreMetricsImpl impl;
  62   base::HistogramTester histogram_tester;
  63
  64   impl.RecordLastUnsentLogMetadataMetrics(0, 0, 63);
  65   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.UnsentCount", 0, 1);
  66   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.SentCount", 0, 1);
  67   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.UnsentPercentage", 0, 1);
  68 }
  69
  70 TEST(UnsentLogStoreMetricsImplTest, ZeroUnsentSample) {
  71   base::test::ScopedFeatureList feature_override;
  72   feature_override.InitAndEnableFeature(kRecordLastUnsentLogMetadataMetrics);
  73   UnsentLogStoreMetricsImpl impl;
  74   base::HistogramTester histogram_tester;
  75
  76   impl.RecordLastUnsentLogMetadataMetrics(0, 999999, 63);
  77   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.UnsentCount", 0, 1);
  78   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.SentCount", 999999, 1);
  79   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.UnsentPercentage", 0, 1);
  80 }
  81
  82 TEST(UnsentLogStoreMetricsImplTest, ZeroSentSample) {
  83   base::test::ScopedFeatureList feature_override;
  84   feature_override.InitAndEnableFeature(kRecordLastUnsentLogMetadataMetrics);
  85   UnsentLogStoreMetricsImpl impl;
  86   base::HistogramTester histogram_tester;
  87
  88   impl.RecordLastUnsentLogMetadataMetrics(999, 0, 63);
  89   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.UnsentCount", 999, 1);
  90   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.SentCount", 0, 1);
  91   histogram_tester.ExpectBucketCount("UMA.UnsentLogs.UnsentPercentage", 100, 1);
  92 }
  93
  94 }  // namespace metrics