components/metrics/gms_metrics_provider_unittest.cc

   1 // Copyright 2023 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/gms_metrics_provider.h"
   6
   7 #include "base/android/build_info.h"
   8 #include "base/test/metrics/histogram_tester.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 namespace metrics {
  12 namespace {
  13
  14 // Same as GmsMetricsProvider but Gms version is mocked for easy testing.
  15 class MockedGmsMetricsProvider : public GmsMetricsProvider {
  16  public:
  17   void SetGmsVersionForTesting(const std::string& version) {
  18     version_ = version;
  19   }
  20
  21  private:
  22   // GmsMetricsProvider.
  23   std::string GetGMSVersion() override { return version_; }
  24
  25   std::string version_;
  26 };
  27
  28 }  // namespace
  29
  30 class GmsMetricsProviderTest : public testing::Test {
  31  protected:
  32   GmsMetricsProviderTest() = default;
  33
  34   base::HistogramTester& histogram_tester() { return histogram_tester_; }
  35   MockedGmsMetricsProvider& gms_metrics_provider() {
  36     return gms_metrics_provider_;
  37   }
  38
  39  private:
  40   base::HistogramTester histogram_tester_;
  41   MockedGmsMetricsProvider gms_metrics_provider_;
  42 };
  43
  44 TEST_F(GmsMetricsProviderTest, TestMetricsReportedCorrectly) {
  45   gms_metrics_provider().SetGmsVersionForTesting("234012000");
  46   gms_metrics_provider().ProvideHistograms();
  47
  48   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
  49                                         /*sample=*/23401,
  50                                         /*expected_bucket_count=*/1);
  51
  52   gms_metrics_provider().SetGmsVersionForTesting("234016000");
  53   gms_metrics_provider().ProvideHistograms();
  54
  55   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
  56                                         /*sample=*/23401,
  57                                         /*expected_bucket_count=*/2);
  58
  59   gms_metrics_provider().SetGmsVersionForTesting("234082000");
  60   gms_metrics_provider().ProvideHistograms();
  61
  62   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
  63                                         /*sample=*/23401,
  64                                         /*expected_bucket_count=*/3);
  65 }
  66
  67 TEST_F(GmsMetricsProviderTest, TestMetricsReportedCorrectlyForBeta) {
  68   gms_metrics_provider().SetGmsVersionForTesting("234002000");
  69   gms_metrics_provider().ProvideHistograms();
  70
  71   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
  72                                         /*sample=*/23400,
  73                                         /*expected_bucket_count=*/1);
  74
  75   gms_metrics_provider().SetGmsVersionForTesting("234008000");
  76   gms_metrics_provider().ProvideHistograms();
  77
  78   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
  79                                         /*sample=*/23400,
  80                                         /*expected_bucket_count=*/2);
  81
  82   gms_metrics_provider().SetGmsVersionForTesting("234010000");
  83   gms_metrics_provider().ProvideHistograms();
  84
  85   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
  86                                         /*sample=*/23400,
  87                                         /*expected_bucket_count=*/3);
  88 }
  89
  90 TEST_F(GmsMetricsProviderTest, TestGMSNotInstalled) {
  91   gms_metrics_provider().SetGmsVersionForTesting("0");
  92   gms_metrics_provider().ProvideHistograms();
  93
  94   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
  95                                         /*sample=*/0,
  96                                         /*expected_bucket_count=*/1);
  97 }
  98
  99 TEST_F(GmsMetricsProviderTest, TestGMSVersionInvalid) {
 100   gms_metrics_provider().SetGmsVersionForTesting("aaaa");
 101   gms_metrics_provider().ProvideHistograms();
 102
 103   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
 104                                         /*sample=*/1,
 105                                         /*expected_bucket_count=*/1);
 106 }
 107
 108 TEST_F(GmsMetricsProviderTest, TestGMSVersionOutOfRange) {
 109   gms_metrics_provider().SetGmsVersionForTesting("11111");
 110   gms_metrics_provider().ProvideHistograms();
 111
 112   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
 113                                         /*sample=*/2,
 114                                         /*expected_bucket_count=*/1);
 115
 116   gms_metrics_provider().SetGmsVersionForTesting("999999999");
 117   gms_metrics_provider().ProvideHistograms();
 118
 119   histogram_tester().ExpectUniqueSample("Android.PlayServices.ShortVersion",
 120                                         /*sample=*/2,
 121                                         /*expected_bucket_count=*/2);
 122 }
 123
 124 }  // namespace metrics