media/remoting/metrics_unittest.cc

   1 // Copyright 2016 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 "media/remoting/metrics.h"
   6
   7 #include <string>
   8
   9 #include "base/test/metrics/histogram_tester.h"
  10 #include "testing/gmock/include/gmock/gmock.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 using base::Bucket;
  14 using testing::ElementsAre;
  15
  16 namespace media {
  17 namespace remoting {
  18
  19 namespace {
  20
  21 class MediaRemotingMetricsTest : public testing::Test {
  22  protected:
  23   media::remoting::SessionMetricsRecorder recorder_;
  24 };
  25
  26 }  // namespace
  27
  28 TEST_F(MediaRemotingMetricsTest, RecordVideoPixelRateSupport) {
  29   constexpr char kPixelRateSupportHistogramName[] =
  30       "Media.Remoting.VideoPixelRateSupport";
  31   base::HistogramTester tester;
  32   tester.ExpectTotalCount(kPixelRateSupportHistogramName, 0);
  33
  34   recorder_.RecordVideoPixelRateSupport(PixelRateSupport::k4kNotSupported);
  35   recorder_.RecordVideoPixelRateSupport(PixelRateSupport::k2kSupported);
  36   recorder_.RecordVideoPixelRateSupport(PixelRateSupport::k4kNotSupported);
  37
  38   // We record only for the first RecordVideoPixelRateSupport() call for the
  39   // given SessionMetricsRecorder instance.
  40   EXPECT_THAT(tester.GetAllSamples(kPixelRateSupportHistogramName),
  41               ElementsAre(Bucket(
  42                   static_cast<int>(PixelRateSupport::k4kNotSupported), 1)));
  43 }
  44
  45 TEST_F(MediaRemotingMetricsTest, RecordCompatibility) {
  46   constexpr char kCompatibilityHistogramName[] = "Media.Remoting.Compatibility";
  47   base::HistogramTester tester;
  48   tester.ExpectTotalCount(kCompatibilityHistogramName, 0);
  49
  50   recorder_.RecordCompatibility(RemotingCompatibility::kIncompatibleVideoCodec);
  51   recorder_.RecordCompatibility(RemotingCompatibility::kCompatible);
  52   recorder_.RecordCompatibility(RemotingCompatibility::kIncompatibleVideoCodec);
  53
  54   // We record only for the first RecordCompatibility() call for the
  55   // given SessionMetricsRecorder instance.
  56   EXPECT_THAT(
  57       tester.GetAllSamples(kCompatibilityHistogramName),
  58       ElementsAre(Bucket(
  59           static_cast<int>(RemotingCompatibility::kIncompatibleVideoCodec),
  60           1)));
  61 }
  62
  63 }  // namespace remoting
  64 }  // namespace media