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 LogTimeToDisplayVideo() override;
  27   void LogTimeToBufferAv(BufferingType buffering_type,
  28                          base::TimeDelta time) override;
  29   void ResetVideoFrameSampling() override;
  30   void LogFramesPer5Seconds(
  31       int displayed_frames, int dropped_frames,
  32       int delayed_frames, int error_frames) override;
  33   std::string GetMetricsNameWithAppName(
  34       const std::string& prefix, const std::string& suffix) const override;
  35   void SetMetricsSink(MetricsSink* delegate) override;
  36
  37  private:
  38   DISALLOW_COPY_AND_ASSIGN(CastMetricsHelperStub);
  39 };
  40
  41 bool stub_instance_exists = false;
  42
  43 CastMetricsHelperStub::CastMetricsHelperStub()
  44     : CastMetricsHelper() {
  45   DCHECK(!stub_instance_exists);
  46   stub_instance_exists = true;
  47 }
  48
  49 CastMetricsHelperStub::~CastMetricsHelperStub() {
  50   DCHECK(stub_instance_exists);
  51   stub_instance_exists = false;
  52 }
  53
  54 void CastMetricsHelperStub::UpdateCurrentAppInfo(
  55     const std::string& app_id,
  56     const std::string& session_id) {
  57 }
  58
  59 void CastMetricsHelperStub::UpdateSDKInfo(const std::string& sdk_version) {
  60 }
  61
  62 void CastMetricsHelperStub::LogMediaPlay() {
  63 }
  64
  65 void CastMetricsHelperStub::LogMediaPause() {
  66 }
  67
  68 void CastMetricsHelperStub::LogTimeToDisplayVideo() {
  69 }
  70
  71 void CastMetricsHelperStub::LogTimeToBufferAv(BufferingType buffering_type,
  72                                               base::TimeDelta time) {
  73 }
  74
  75 void CastMetricsHelperStub::ResetVideoFrameSampling() {
  76 }
  77
  78 void CastMetricsHelperStub::LogFramesPer5Seconds(int displayed_frames,
  79                                                  int dropped_frames,
  80                                                  int delayed_frames,
  81                                                  int error_frames) {
  82 }
  83
  84 std::string CastMetricsHelperStub::GetMetricsNameWithAppName(
  85     const std::string& prefix,
  86     const std::string& suffix) const {
  87   return "";
  88 }
  89
  90 void CastMetricsHelperStub::SetMetricsSink(MetricsSink* delegate) {
  91 }
  92
  93 }  // namespace
  94
  95 void InitializeMetricsHelperForTesting() {
  96   if (!stub_instance_exists) {
  97     new CastMetricsHelperStub();
  98   }
  99 }
 100
 101 }  // namespace metrics
 102 }  // namespace chromecast