chromecast/base/metrics/cast_metrics_test_helper.cc

   1 // Copyright 2014 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 "chromecast/base/metrics/cast_metrics_test_helper.h"
   6
   7 #include "base/logging.h"
   8 #include "base/macros.h"
   9 #include "chromecast/base/metrics/cast_metrics_helper.h"
  10
  11 namespace chromecast {
  12 namespace metrics {
  13
  14 namespace {
  15
  16 class CastMetricsHelperStub : public CastMetricsHelper {
  17  public:
  18   CastMetricsHelperStub();
  19   ~CastMetricsHelperStub() override;
  20
  21   void UpdateCurrentAppInfo(const std::string& app_id,
  22                             const std::string& session_id) override;
  23   void UpdateSDKInfo(const std::string& sdk_version) override;
  24   void LogMediaPlay() override;
  25   void LogMediaPause() override;
  26   void LogTimeToBufferAv(BufferingType buffering_type,
  27                          base::TimeDelta time) override;
  28   std::string GetMetricsNameWithAppName(
  29       const std::string& prefix, const std::string& suffix) const override;
  30   void SetMetricsSink(MetricsSink* delegate) override;
  31
  32  private:
  33   DISALLOW_COPY_AND_ASSIGN(CastMetricsHelperStub);
  34 };
  35
  36 bool stub_instance_exists = false;
  37
  38 CastMetricsHelperStub::CastMetricsHelperStub()
  39     : CastMetricsHelper() {
  40   DCHECK(!stub_instance_exists);
  41   stub_instance_exists = true;
  42 }
  43
  44 CastMetricsHelperStub::~CastMetricsHelperStub() {
  45   DCHECK(stub_instance_exists);
  46   stub_instance_exists = false;
  47 }
  48
  49 void CastMetricsHelperStub::UpdateCurrentAppInfo(
  50     const std::string& app_id,
  51     const std::string& session_id) {
  52 }
  53
  54 void CastMetricsHelperStub::UpdateSDKInfo(const std::string& sdk_version) {
  55 }
  56
  57 void CastMetricsHelperStub::LogMediaPlay() {
  58 }
  59
  60 void CastMetricsHelperStub::LogMediaPause() {
  61 }
  62
  63 void CastMetricsHelperStub::LogTimeToBufferAv(BufferingType buffering_type,
  64                                               base::TimeDelta time) {
  65 }
  66
  67 std::string CastMetricsHelperStub::GetMetricsNameWithAppName(
  68     const std::string& prefix,
  69     const std::string& suffix) const {
  70   return "";
  71 }
  72
  73 void CastMetricsHelperStub::SetMetricsSink(MetricsSink* delegate) {
  74 }
  75
  76 }  // namespace
  77
  78 void InitializeMetricsHelperForTesting() {
  79   if (!stub_instance_exists) {
  80     new CastMetricsHelperStub();
  81   }
  82 }
  83
  84 }  // namespace metrics
  85 }  // namespace chromecast