RTCIceCandidatePairStats.available[Outgoing/Incoming]Bitrate collected.

webrtc/pc/rtcstatscollector_unittest.cc

 /*
  *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 1201 matching lines @@
                 RTCLocalIceCandidateStats>());
   ASSERT_TRUE(report->Get(expected_b_remote.id()));
   EXPECT_EQ(expected_b_remote,
             report->Get(expected_b_remote.id())->cast_to<
                 RTCRemoteIceCandidateStats>());
   EXPECT_TRUE(report->Get("RTCTransport_a_0"));
   EXPECT_TRUE(report->Get("RTCTransport_b_0"));
 }
 
 TEST_F(RTCStatsCollectorTest, CollectRTCIceCandidatePairStats) {
+  MockVideoMediaChannel* video_media_channel = new MockVideoMediaChannel();
+  cricket::VideoChannel video_channel(
+      test_->worker_thread(), test_->network_thread(),
+      test_->signaling_thread(), video_media_channel, "VideoContentName",
+      kDefaultRtcpMuxRequired, kDefaultSrtpRequired);
+
   std::unique_ptr<cricket::Candidate> local_candidate = CreateFakeCandidate(
       "42.42.42.42", 42, "protocol", cricket::LOCAL_PORT_TYPE, 42);
   std::unique_ptr<cricket::Candidate> remote_candidate = CreateFakeCandidate(
       "42.42.42.42", 42, "protocol", cricket::LOCAL_PORT_TYPE, 42);
 
   SessionStats session_stats;
 
   cricket::ConnectionInfo connection_info;
+  connection_info.best_connection = false;
   connection_info.local_candidate = *local_candidate.get();
   connection_info.remote_candidate = *remote_candidate.get();
   connection_info.writable = true;
   connection_info.sent_total_bytes = 42;
   connection_info.recv_total_bytes = 1234;
   connection_info.rtt = 1337;
   connection_info.recv_ping_requests = 2020;
   connection_info.sent_ping_requests_total = 2020;
   connection_info.sent_ping_requests_before_first_response = 2000;
   connection_info.recv_ping_responses = 4321;
   connection_info.sent_ping_responses = 1000;
   connection_info.state = cricket::IceCandidatePairState::IN_PROGRESS;
   connection_info.priority = 5555;
 
   cricket::TransportChannelStats transport_channel_stats;
   transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP;
   transport_channel_stats.connection_infos.push_back(connection_info);
+  session_stats.proxy_to_transport["VideoContentName"] = "transport";
   session_stats.transport_stats["transport"].transport_name = "transport";
   session_stats.transport_stats["transport"].channel_stats.push_back(
       transport_channel_stats);
 
   // Mock the session to return the desired candidates.
   EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke(
       [&session_stats](const ChannelNamePairs&) {
         return std::unique_ptr<SessionStats>(new SessionStats(session_stats));
       }));
 
+  // Mock the session to return bandwidth estimation info. These should only
+  // be used for a selected candidate pair.
+  cricket::VideoMediaInfo video_media_info;
+  video_media_info.bw_estimations.push_back(cricket::BandwidthEstimationInfo());
+  video_media_info.bw_estimations[0].available_send_bandwidth = 8888;
+  video_media_info.bw_estimations[0].available_recv_bandwidth = 9999;
+  EXPECT_CALL(*video_media_channel, GetStats(_))
+      .WillOnce(DoAll(SetArgPointee<0>(video_media_info), Return(true)));
+  EXPECT_CALL(test_->session(), video_channel())
+      .WillRepeatedly(Return(&video_channel));
+
   rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport();
 
   RTCIceCandidatePairStats expected_pair("RTCIceCandidatePair_" +
                                              local_candidate->id() + "_" +
                                              remote_candidate->id(),
                                          report->timestamp_us());
   expected_pair.transport_id =
       "RTCTransport_transport_" +
       rtc::ToString<>(cricket::ICE_CANDIDATE_COMPONENT_RTP);
   expected_pair.local_candidate_id = "RTCIceCandidate_" + local_candidate->id();
   expected_pair.remote_candidate_id =
       "RTCIceCandidate_" + remote_candidate->id();
   expected_pair.state = RTCStatsIceCandidatePairState::kInProgress;
   expected_pair.priority = 5555;
   expected_pair.writable = true;
   expected_pair.bytes_sent = 42;
   expected_pair.bytes_received = 1234;
   expected_pair.current_round_trip_time = 1.337;
   expected_pair.requests_received = 2020;
   expected_pair.requests_sent = 2000;
   expected_pair.responses_received = 4321;
   expected_pair.responses_sent = 1000;
   expected_pair.consent_requests_sent = (2020 - 2000);
+  // |expected_pair.available_[outgoing/incoming]_bitrate| should be undefined
+  // because is is not the current pair.
 
   ASSERT_TRUE(report->Get(expected_pair.id()));
   EXPECT_EQ(
       expected_pair,
+      report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
+  EXPECT_TRUE(report->Get(*expected_pair.transport_id));
+
+  // Make pair the current pair, clear bandwidth and "GetStats" again.
+  session_stats.transport_stats["transport"]
+      .channel_stats[0]
+      .connection_infos[0]
+      .best_connection = true;
+  video_media_info.bw_estimations[0].available_send_bandwidth = 0;
+  video_media_info.bw_estimations[0].available_recv_bandwidth = 0;
+  EXPECT_CALL(*video_media_channel, GetStats(_))
+      .WillOnce(DoAll(SetArgPointee<0>(video_media_info), Return(true)));
+  collector_->ClearCachedStatsReport();
+  report = GetStatsReport();
+  // |expected_pair.available_[outgoing/incoming]_bitrate| should still be
+  // undefined because bandwidth is not set.
+  ASSERT_TRUE(report->Get(expected_pair.id()));
+  EXPECT_EQ(
+      expected_pair,
+      report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
+  EXPECT_TRUE(report->Get(*expected_pair.transport_id));
+
+  // Set bandwidth and "GetStats" again.
+  video_media_info.bw_estimations[0].available_send_bandwidth = 888;
+  video_media_info.bw_estimations[0].available_recv_bandwidth = 999;
+  EXPECT_CALL(*video_media_channel, GetStats(_))
+      .WillOnce(DoAll(SetArgPointee<0>(video_media_info), Return(true)));
+  collector_->ClearCachedStatsReport();
+  report = GetStatsReport();
+  expected_pair.available_outgoing_bitrate = 888;
+  expected_pair.available_incoming_bitrate = 999;
+  ASSERT_TRUE(report->Get(expected_pair.id()));
+  EXPECT_EQ(
+      expected_pair,
       report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
   EXPECT_TRUE(report->Get(*expected_pair.transport_id));
 
   RTCLocalIceCandidateStats expected_local_candidate(
       *expected_pair.local_candidate_id, report->timestamp_us());
   expected_local_candidate.transport_id = *expected_pair.transport_id;
   expected_local_candidate.ip = "42.42.42.42";
   expected_local_candidate.port = 42;
   expected_local_candidate.protocol = "protocol";
   expected_local_candidate.candidate_type = "host";
@@ skipping 971 matching lines @@
   rtc::scoped_refptr<FakeRTCStatsCollector> collector_;
 };
 
 TEST_F(RTCStatsCollectorTestWithFakeCollector, ThreadUsageAndResultsMerging) {
   collector_->VerifyThreadUsageAndResultsMerging();
 }
 
 }  // namespace
 
 }  // namespace webrtc