1 /*
2  *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include <deque>
12 #include <limits>
13 #include <memory>
14 #include <string>
15 #include <tuple>
16 
17 #include "logging/rtc_event_log/encoder/rtc_event_log_encoder_legacy.h"
18 #include "logging/rtc_event_log/encoder/rtc_event_log_encoder_new_format.h"
19 #include "logging/rtc_event_log/events/rtc_event_alr_state.h"
20 #include "logging/rtc_event_log/events/rtc_event_audio_network_adaptation.h"
21 #include "logging/rtc_event_log/events/rtc_event_audio_playout.h"
22 #include "logging/rtc_event_log/events/rtc_event_audio_receive_stream_config.h"
23 #include "logging/rtc_event_log/events/rtc_event_audio_send_stream_config.h"
24 #include "logging/rtc_event_log/events/rtc_event_bwe_update_delay_based.h"
25 #include "logging/rtc_event_log/events/rtc_event_bwe_update_loss_based.h"
26 #include "logging/rtc_event_log/events/rtc_event_probe_cluster_created.h"
27 #include "logging/rtc_event_log/events/rtc_event_probe_result_failure.h"
28 #include "logging/rtc_event_log/events/rtc_event_probe_result_success.h"
29 #include "logging/rtc_event_log/events/rtc_event_rtcp_packet_incoming.h"
30 #include "logging/rtc_event_log/events/rtc_event_rtcp_packet_outgoing.h"
31 #include "logging/rtc_event_log/events/rtc_event_rtp_packet_incoming.h"
32 #include "logging/rtc_event_log/events/rtc_event_rtp_packet_outgoing.h"
33 #include "logging/rtc_event_log/events/rtc_event_video_receive_stream_config.h"
34 #include "logging/rtc_event_log/events/rtc_event_video_send_stream_config.h"
35 #include "logging/rtc_event_log/rtc_event_log_parser.h"
36 #include "logging/rtc_event_log/rtc_event_log_unittest_helper.h"
37 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
38 #include "modules/remote_bitrate_estimator/include/bwe_defines.h"
39 #include "modules/rtp_rtcp/source/rtp_header_extensions.h"
40 #include "rtc_base/fake_clock.h"
41 #include "rtc_base/random.h"
42 #include "test/gtest.h"
43 
44 namespace webrtc {
45 class RtcEventLogEncoderTest
46     : public ::testing::TestWithParam<std::tuple<int, bool, size_t, bool>> {
47  protected:
RtcEventLogEncoderTest()48   RtcEventLogEncoderTest()
49       : seed_(std::get<0>(GetParam())),
50         prng_(seed_),
51         new_encoding_(std::get<1>(GetParam())),
52         event_count_(std::get<2>(GetParam())),
53         force_repeated_fields_(std::get<3>(GetParam())),
54         gen_(seed_ * 880001UL),
55         verifier_(new_encoding_ ? RtcEventLog::EncodingType::NewFormat
56                                 : RtcEventLog::EncodingType::Legacy) {
57     if (new_encoding_)
58       encoder_ = std::make_unique<RtcEventLogEncoderNewFormat>();
59     else
60       encoder_ = std::make_unique<RtcEventLogEncoderLegacy>();
61   }
62   ~RtcEventLogEncoderTest() override = default;
63 
64   // ANA events have some optional fields, so we want to make sure that we get
65   // correct behavior both when all of the values are there, as well as when
66   // only some.
67   void TestRtcEventAudioNetworkAdaptation(
68       const std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>>&);
69 
70   template <typename EventType>
71   std::unique_ptr<EventType> NewRtpPacket(
72       uint32_t ssrc,
73       const RtpHeaderExtensionMap& extension_map);
74 
75   template <typename ParsedType>
76   const std::vector<ParsedType>* GetRtpPacketsBySsrc(
77       const ParsedRtcEventLog* parsed_log,
78       uint32_t ssrc);
79 
80   template <typename EventType, typename ParsedType>
81   void TestRtpPackets();
82 
83   std::deque<std::unique_ptr<RtcEvent>> history_;
84   std::unique_ptr<RtcEventLogEncoder> encoder_;
85   ParsedRtcEventLog parsed_log_;
86   const uint64_t seed_;
87   Random prng_;
88   const bool new_encoding_;
89   const size_t event_count_;
90   const bool force_repeated_fields_;
91   test::EventGenerator gen_;
92   test::EventVerifier verifier_;
93 };
94 
TestRtcEventAudioNetworkAdaptation(const std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>> & events)95 void RtcEventLogEncoderTest::TestRtcEventAudioNetworkAdaptation(
96     const std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>>&
97         events) {
98   ASSERT_TRUE(history_.empty()) << "Function should be called once per test.";
99 
100   for (auto& event : events) {
101     history_.push_back(event->Copy());
102   }
103 
104   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
105   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
106   const auto& ana_configs = parsed_log_.audio_network_adaptation_events();
107 
108   ASSERT_EQ(ana_configs.size(), events.size());
109   for (size_t i = 0; i < events.size(); ++i) {
110     verifier_.VerifyLoggedAudioNetworkAdaptationEvent(*events[i],
111                                                       ana_configs[i]);
112   }
113 }
114 
115 template <>
NewRtpPacket(uint32_t ssrc,const RtpHeaderExtensionMap & extension_map)116 std::unique_ptr<RtcEventRtpPacketIncoming> RtcEventLogEncoderTest::NewRtpPacket(
117     uint32_t ssrc,
118     const RtpHeaderExtensionMap& extension_map) {
119   return gen_.NewRtpPacketIncoming(ssrc, extension_map, false);
120 }
121 
122 template <>
NewRtpPacket(uint32_t ssrc,const RtpHeaderExtensionMap & extension_map)123 std::unique_ptr<RtcEventRtpPacketOutgoing> RtcEventLogEncoderTest::NewRtpPacket(
124     uint32_t ssrc,
125     const RtpHeaderExtensionMap& extension_map) {
126   return gen_.NewRtpPacketOutgoing(ssrc, extension_map, false);
127 }
128 
129 template <>
130 const std::vector<LoggedRtpPacketIncoming>*
GetRtpPacketsBySsrc(const ParsedRtcEventLog * parsed_log,uint32_t ssrc)131 RtcEventLogEncoderTest::GetRtpPacketsBySsrc(const ParsedRtcEventLog* parsed_log,
132                                             uint32_t ssrc) {
133   const auto& incoming_streams = parsed_log->incoming_rtp_packets_by_ssrc();
134   for (const auto& stream : incoming_streams) {
135     if (stream.ssrc == ssrc) {
136       return &stream.incoming_packets;
137     }
138   }
139   return nullptr;
140 }
141 
142 template <>
143 const std::vector<LoggedRtpPacketOutgoing>*
GetRtpPacketsBySsrc(const ParsedRtcEventLog * parsed_log,uint32_t ssrc)144 RtcEventLogEncoderTest::GetRtpPacketsBySsrc(const ParsedRtcEventLog* parsed_log,
145                                             uint32_t ssrc) {
146   const auto& outgoing_streams = parsed_log->outgoing_rtp_packets_by_ssrc();
147   for (const auto& stream : outgoing_streams) {
148     if (stream.ssrc == ssrc) {
149       return &stream.outgoing_packets;
150     }
151   }
152   return nullptr;
153 }
154 
155 template <typename EventType, typename ParsedType>
TestRtpPackets()156 void RtcEventLogEncoderTest::TestRtpPackets() {
157   // SSRCs will be randomly assigned out of this small pool, significant only
158   // in that it also covers such edge cases as SSRC = 0 and SSRC = 0xffffffff.
159   // The pool is intentionally small, so as to produce collisions.
160   const std::vector<uint32_t> kSsrcPool = {0x00000000, 0x12345678, 0xabcdef01,
161                                            0xffffffff, 0x20171024, 0x19840730,
162                                            0x19831230};
163 
164   // TODO(terelius): Test extensions for legacy encoding, too.
165   RtpHeaderExtensionMap extension_map;
166   if (new_encoding_) {
167     extension_map = gen_.NewRtpHeaderExtensionMap(true);
168   }
169 
170   // Simulate |event_count_| RTP packets, with SSRCs assigned randomly
171   // out of the small pool above.
172   std::map<uint32_t, std::vector<std::unique_ptr<EventType>>> events_by_ssrc;
173   for (size_t i = 0; i < event_count_; ++i) {
174     const uint32_t ssrc = kSsrcPool[prng_.Rand(kSsrcPool.size() - 1)];
175     std::unique_ptr<EventType> event =
176         (events_by_ssrc[ssrc].empty() || !force_repeated_fields_)
177             ? NewRtpPacket<EventType>(ssrc, extension_map)
178             : events_by_ssrc[ssrc][0]->Copy();
179     history_.push_back(event->Copy());
180     events_by_ssrc[ssrc].emplace_back(std::move(event));
181   }
182 
183   // Encode and parse.
184   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
185   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
186 
187   // For each SSRC, make sure the RTP packets associated with it to have been
188   // correctly encoded and parsed.
189   for (auto it = events_by_ssrc.begin(); it != events_by_ssrc.end(); ++it) {
190     const uint32_t ssrc = it->first;
191     const auto& original_packets = it->second;
192     const std::vector<ParsedType>* parsed_rtp_packets =
193         GetRtpPacketsBySsrc<ParsedType>(&parsed_log_, ssrc);
194     ASSERT_NE(parsed_rtp_packets, nullptr);
195     ASSERT_EQ(original_packets.size(), parsed_rtp_packets->size());
196     for (size_t i = 0; i < original_packets.size(); ++i) {
197       verifier_.VerifyLoggedRtpPacket<EventType, ParsedType>(
198           *original_packets[i], (*parsed_rtp_packets)[i]);
199     }
200   }
201 }
202 
TEST_P(RtcEventLogEncoderTest,RtcEventAlrState)203 TEST_P(RtcEventLogEncoderTest, RtcEventAlrState) {
204   std::vector<std::unique_ptr<RtcEventAlrState>> events(event_count_);
205   for (size_t i = 0; i < event_count_; ++i) {
206     events[i] = (i == 0 || !force_repeated_fields_) ? gen_.NewAlrState()
207                                                     : events[0]->Copy();
208     history_.push_back(events[i]->Copy());
209   }
210 
211   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
212   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
213   const auto& alr_state_events = parsed_log_.alr_state_events();
214 
215   ASSERT_EQ(alr_state_events.size(), event_count_);
216   for (size_t i = 0; i < event_count_; ++i) {
217     verifier_.VerifyLoggedAlrStateEvent(*events[i], alr_state_events[i]);
218   }
219 }
220 
TEST_P(RtcEventLogEncoderTest,RtcEventRouteChange)221 TEST_P(RtcEventLogEncoderTest, RtcEventRouteChange) {
222   if (!new_encoding_) {
223     return;
224   }
225   std::vector<std::unique_ptr<RtcEventRouteChange>> events(event_count_);
226   for (size_t i = 0; i < event_count_; ++i) {
227     events[i] = (i == 0 || !force_repeated_fields_) ? gen_.NewRouteChange()
228                                                     : events[0]->Copy();
229     history_.push_back(events[i]->Copy());
230   }
231 
232   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
233   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
234   const auto& route_change_events = parsed_log_.route_change_events();
235 
236   ASSERT_EQ(route_change_events.size(), event_count_);
237   for (size_t i = 0; i < event_count_; ++i) {
238     verifier_.VerifyLoggedRouteChangeEvent(*events[i], route_change_events[i]);
239   }
240 }
241 
TEST_P(RtcEventLogEncoderTest,RtcEventRemoteEstimate)242 TEST_P(RtcEventLogEncoderTest, RtcEventRemoteEstimate) {
243   if (!new_encoding_) {
244     return;
245   }
246   std::vector<std::unique_ptr<RtcEventRemoteEstimate>> events(event_count_);
247   for (size_t i = 0; i < event_count_; ++i) {
248     events[i] = (i == 0 || !force_repeated_fields_)
249                     ? gen_.NewRemoteEstimate()
250                     : std::make_unique<RtcEventRemoteEstimate>(*events[0]);
251     history_.push_back(std::make_unique<RtcEventRemoteEstimate>(*events[i]));
252   }
253 
254   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
255   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
256   const auto& parsed_events = parsed_log_.remote_estimate_events();
257 
258   ASSERT_EQ(parsed_events.size(), event_count_);
259   for (size_t i = 0; i < event_count_; ++i) {
260     verifier_.VerifyLoggedRemoteEstimateEvent(*events[i], parsed_events[i]);
261   }
262 }
263 
TEST_P(RtcEventLogEncoderTest,RtcEventAudioNetworkAdaptationBitrate)264 TEST_P(RtcEventLogEncoderTest, RtcEventAudioNetworkAdaptationBitrate) {
265   std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>> events(
266       event_count_);
267   for (size_t i = 0; i < event_count_; ++i) {
268     if (i == 0 || !force_repeated_fields_) {
269       auto runtime_config = std::make_unique<AudioEncoderRuntimeConfig>();
270       const int bitrate_bps = rtc::checked_cast<int>(
271           prng_.Rand(0, std::numeric_limits<int32_t>::max()));
272       runtime_config->bitrate_bps = bitrate_bps;
273       events[i] = std::make_unique<RtcEventAudioNetworkAdaptation>(
274           std::move(runtime_config));
275     } else {
276       events[i] = events[0]->Copy();
277     }
278   }
279   TestRtcEventAudioNetworkAdaptation(events);
280 }
281 
TEST_P(RtcEventLogEncoderTest,RtcEventAudioNetworkAdaptationFrameLength)282 TEST_P(RtcEventLogEncoderTest, RtcEventAudioNetworkAdaptationFrameLength) {
283   std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>> events(
284       event_count_);
285   for (size_t i = 0; i < event_count_; ++i) {
286     if (i == 0 || !force_repeated_fields_) {
287       auto runtime_config = std::make_unique<AudioEncoderRuntimeConfig>();
288       const int frame_length_ms = prng_.Rand(1, 1000);
289       runtime_config->frame_length_ms = frame_length_ms;
290       events[i] = std::make_unique<RtcEventAudioNetworkAdaptation>(
291           std::move(runtime_config));
292     } else {
293       events[i] = events[0]->Copy();
294     }
295   }
296   TestRtcEventAudioNetworkAdaptation(events);
297 }
298 
TEST_P(RtcEventLogEncoderTest,RtcEventAudioNetworkAdaptationPacketLoss)299 TEST_P(RtcEventLogEncoderTest, RtcEventAudioNetworkAdaptationPacketLoss) {
300   std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>> events(
301       event_count_);
302   for (size_t i = 0; i < event_count_; ++i) {
303     if (i == 0 || !force_repeated_fields_) {
304       // To simplify the test, we just check powers of two.
305       const float plr = std::pow(0.5f, prng_.Rand(1, 8));
306       auto runtime_config = std::make_unique<AudioEncoderRuntimeConfig>();
307       runtime_config->uplink_packet_loss_fraction = plr;
308       events[i] = std::make_unique<RtcEventAudioNetworkAdaptation>(
309           std::move(runtime_config));
310     } else {
311       events[i] = events[0]->Copy();
312     }
313   }
314   TestRtcEventAudioNetworkAdaptation(events);
315 }
316 
TEST_P(RtcEventLogEncoderTest,RtcEventAudioNetworkAdaptationFec)317 TEST_P(RtcEventLogEncoderTest, RtcEventAudioNetworkAdaptationFec) {
318   std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>> events(
319       event_count_);
320   for (size_t i = 0; i < event_count_; ++i) {
321     if (i == 0 || !force_repeated_fields_) {
322       auto runtime_config = std::make_unique<AudioEncoderRuntimeConfig>();
323       runtime_config->enable_fec = prng_.Rand<bool>();
324       events[i] = std::make_unique<RtcEventAudioNetworkAdaptation>(
325           std::move(runtime_config));
326     } else {
327       events[i] = events[0]->Copy();
328     }
329   }
330   TestRtcEventAudioNetworkAdaptation(events);
331 }
332 
TEST_P(RtcEventLogEncoderTest,RtcEventAudioNetworkAdaptationDtx)333 TEST_P(RtcEventLogEncoderTest, RtcEventAudioNetworkAdaptationDtx) {
334   std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>> events(
335       event_count_);
336   for (size_t i = 0; i < event_count_; ++i) {
337     if (i == 0 || !force_repeated_fields_) {
338       auto runtime_config = std::make_unique<AudioEncoderRuntimeConfig>();
339       runtime_config->enable_dtx = prng_.Rand<bool>();
340       events[i] = std::make_unique<RtcEventAudioNetworkAdaptation>(
341           std::move(runtime_config));
342     } else {
343       events[i] = events[0]->Copy();
344     }
345   }
346   TestRtcEventAudioNetworkAdaptation(events);
347 }
348 
TEST_P(RtcEventLogEncoderTest,RtcEventAudioNetworkAdaptationChannels)349 TEST_P(RtcEventLogEncoderTest, RtcEventAudioNetworkAdaptationChannels) {
350   std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>> events(
351       event_count_);
352   for (size_t i = 0; i < event_count_; ++i) {
353     if (i == 0 || !force_repeated_fields_) {
354       auto runtime_config = std::make_unique<AudioEncoderRuntimeConfig>();
355       runtime_config->num_channels = prng_.Rand(1, 2);
356       events[i] = std::make_unique<RtcEventAudioNetworkAdaptation>(
357           std::move(runtime_config));
358     } else {
359       events[i] = events[0]->Copy();
360     }
361   }
362   TestRtcEventAudioNetworkAdaptation(events);
363 }
364 
TEST_P(RtcEventLogEncoderTest,RtcEventAudioNetworkAdaptationAll)365 TEST_P(RtcEventLogEncoderTest, RtcEventAudioNetworkAdaptationAll) {
366   std::vector<std::unique_ptr<RtcEventAudioNetworkAdaptation>> events(
367       event_count_);
368   for (size_t i = 0; i < event_count_; ++i) {
369     if (i == 0 || !force_repeated_fields_) {
370       auto runtime_config = std::make_unique<AudioEncoderRuntimeConfig>();
371       runtime_config->bitrate_bps = rtc::checked_cast<int>(
372           prng_.Rand(0, std::numeric_limits<int32_t>::max()));
373       runtime_config->frame_length_ms = prng_.Rand(1, 1000);
374       runtime_config->uplink_packet_loss_fraction =
375           std::pow(0.5f, prng_.Rand(1, 8));
376       runtime_config->enable_fec = prng_.Rand<bool>();
377       runtime_config->enable_dtx = prng_.Rand<bool>();
378       runtime_config->num_channels = prng_.Rand(1, 2);
379       events[i] = std::make_unique<RtcEventAudioNetworkAdaptation>(
380           std::move(runtime_config));
381     } else {
382       events[i] = events[0]->Copy();
383     }
384   }
385   TestRtcEventAudioNetworkAdaptation(events);
386 }
387 
TEST_P(RtcEventLogEncoderTest,RtcEventAudioPlayout)388 TEST_P(RtcEventLogEncoderTest, RtcEventAudioPlayout) {
389   // SSRCs will be randomly assigned out of this small pool, significant only
390   // in that it also covers such edge cases as SSRC = 0 and SSRC = 0xffffffff.
391   // The pool is intentionally small, so as to produce collisions.
392   const std::vector<uint32_t> kSsrcPool = {0x00000000, 0x12345678, 0xabcdef01,
393                                            0xffffffff, 0x20171024, 0x19840730,
394                                            0x19831230};
395 
396   std::map<uint32_t, std::vector<std::unique_ptr<RtcEventAudioPlayout>>>
397       original_events_by_ssrc;
398   for (size_t i = 0; i < event_count_; ++i) {
399     const uint32_t ssrc = kSsrcPool[prng_.Rand(kSsrcPool.size() - 1)];
400     std::unique_ptr<RtcEventAudioPlayout> event =
401         (original_events_by_ssrc[ssrc].empty() || !force_repeated_fields_)
402             ? gen_.NewAudioPlayout(ssrc)
403             : original_events_by_ssrc[ssrc][0]->Copy();
404     history_.push_back(event->Copy());
405     original_events_by_ssrc[ssrc].push_back(std::move(event));
406   }
407 
408   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
409   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
410 
411   const auto& parsed_playout_events_by_ssrc =
412       parsed_log_.audio_playout_events();
413 
414   // Same number of distinct SSRCs.
415   ASSERT_EQ(parsed_playout_events_by_ssrc.size(),
416             original_events_by_ssrc.size());
417 
418   for (auto& original_event_it : original_events_by_ssrc) {
419     const uint32_t ssrc = original_event_it.first;
420     const auto& original_playout_events = original_event_it.second;
421 
422     const auto& parsed_event_it = parsed_playout_events_by_ssrc.find(ssrc);
423     ASSERT_TRUE(parsed_event_it != parsed_playout_events_by_ssrc.end());
424     const auto& parsed_playout_events = parsed_event_it->second;
425 
426     // Same number playout events for the SSRC under examination.
427     ASSERT_EQ(original_playout_events.size(), parsed_playout_events.size());
428 
429     for (size_t i = 0; i < original_playout_events.size(); ++i) {
430       verifier_.VerifyLoggedAudioPlayoutEvent(*original_playout_events[i],
431                                               parsed_playout_events[i]);
432     }
433   }
434 }
435 
436 // TODO(eladalon/terelius): Test with multiple events in the batch.
TEST_P(RtcEventLogEncoderTest,RtcEventAudioReceiveStreamConfig)437 TEST_P(RtcEventLogEncoderTest, RtcEventAudioReceiveStreamConfig) {
438   uint32_t ssrc = prng_.Rand<uint32_t>();
439   RtpHeaderExtensionMap extensions = gen_.NewRtpHeaderExtensionMap();
440   std::unique_ptr<RtcEventAudioReceiveStreamConfig> event =
441       gen_.NewAudioReceiveStreamConfig(ssrc, extensions);
442   history_.push_back(event->Copy());
443 
444   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
445   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
446   const auto& audio_recv_configs = parsed_log_.audio_recv_configs();
447 
448   ASSERT_EQ(audio_recv_configs.size(), 1u);
449   verifier_.VerifyLoggedAudioRecvConfig(*event, audio_recv_configs[0]);
450 }
451 
452 // TODO(eladalon/terelius): Test with multiple events in the batch.
TEST_P(RtcEventLogEncoderTest,RtcEventAudioSendStreamConfig)453 TEST_P(RtcEventLogEncoderTest, RtcEventAudioSendStreamConfig) {
454   uint32_t ssrc = prng_.Rand<uint32_t>();
455   RtpHeaderExtensionMap extensions = gen_.NewRtpHeaderExtensionMap();
456   std::unique_ptr<RtcEventAudioSendStreamConfig> event =
457       gen_.NewAudioSendStreamConfig(ssrc, extensions);
458   history_.push_back(event->Copy());
459 
460   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
461   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
462   const auto& audio_send_configs = parsed_log_.audio_send_configs();
463 
464   ASSERT_EQ(audio_send_configs.size(), 1u);
465   verifier_.VerifyLoggedAudioSendConfig(*event, audio_send_configs[0]);
466 }
467 
TEST_P(RtcEventLogEncoderTest,RtcEventBweUpdateDelayBased)468 TEST_P(RtcEventLogEncoderTest, RtcEventBweUpdateDelayBased) {
469   std::vector<std::unique_ptr<RtcEventBweUpdateDelayBased>> events(
470       event_count_);
471   for (size_t i = 0; i < event_count_; ++i) {
472     events[i] = (i == 0 || !force_repeated_fields_)
473                     ? gen_.NewBweUpdateDelayBased()
474                     : events[0]->Copy();
475     history_.push_back(events[i]->Copy());
476   }
477 
478   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
479   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
480 
481   const auto& bwe_delay_updates = parsed_log_.bwe_delay_updates();
482   ASSERT_EQ(bwe_delay_updates.size(), event_count_);
483 
484   for (size_t i = 0; i < event_count_; ++i) {
485     verifier_.VerifyLoggedBweDelayBasedUpdate(*events[i], bwe_delay_updates[i]);
486   }
487 }
488 
TEST_P(RtcEventLogEncoderTest,RtcEventBweUpdateLossBased)489 TEST_P(RtcEventLogEncoderTest, RtcEventBweUpdateLossBased) {
490   std::vector<std::unique_ptr<RtcEventBweUpdateLossBased>> events(event_count_);
491   for (size_t i = 0; i < event_count_; ++i) {
492     events[i] = (i == 0 || !force_repeated_fields_)
493                     ? gen_.NewBweUpdateLossBased()
494                     : events[0]->Copy();
495     history_.push_back(events[i]->Copy());
496   }
497 
498   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
499   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
500 
501   const auto& bwe_loss_updates = parsed_log_.bwe_loss_updates();
502   ASSERT_EQ(bwe_loss_updates.size(), event_count_);
503 
504   for (size_t i = 0; i < event_count_; ++i) {
505     verifier_.VerifyLoggedBweLossBasedUpdate(*events[i], bwe_loss_updates[i]);
506   }
507 }
508 
TEST_P(RtcEventLogEncoderTest,RtcEventGenericPacketReceived)509 TEST_P(RtcEventLogEncoderTest, RtcEventGenericPacketReceived) {
510   if (!new_encoding_) {
511     return;
512   }
513   std::vector<std::unique_ptr<RtcEventGenericPacketReceived>> events(
514       event_count_);
515   for (size_t i = 0; i < event_count_; ++i) {
516     events[i] = (i == 0 || !force_repeated_fields_)
517                     ? gen_.NewGenericPacketReceived()
518                     : events[0]->Copy();
519     history_.push_back(events[i]->Copy());
520   }
521 
522   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
523   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
524 
525   const auto& packets_received = parsed_log_.generic_packets_received();
526   ASSERT_EQ(packets_received.size(), event_count_);
527 
528   for (size_t i = 0; i < event_count_; ++i) {
529     verifier_.VerifyLoggedGenericPacketReceived(*events[i],
530                                                 packets_received[i]);
531   }
532 }
533 
TEST_P(RtcEventLogEncoderTest,RtcEventGenericPacketSent)534 TEST_P(RtcEventLogEncoderTest, RtcEventGenericPacketSent) {
535   if (!new_encoding_) {
536     return;
537   }
538   std::vector<std::unique_ptr<RtcEventGenericPacketSent>> events(event_count_);
539   for (size_t i = 0; i < event_count_; ++i) {
540     events[i] = (i == 0 || !force_repeated_fields_)
541                     ? gen_.NewGenericPacketSent()
542                     : events[0]->Copy();
543     history_.push_back(events[i]->Copy());
544   }
545 
546   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
547   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
548 
549   const auto& packets_sent = parsed_log_.generic_packets_sent();
550   ASSERT_EQ(packets_sent.size(), event_count_);
551 
552   for (size_t i = 0; i < event_count_; ++i) {
553     verifier_.VerifyLoggedGenericPacketSent(*events[i], packets_sent[i]);
554   }
555 }
556 
TEST_P(RtcEventLogEncoderTest,RtcEventGenericAcksReceived)557 TEST_P(RtcEventLogEncoderTest, RtcEventGenericAcksReceived) {
558   if (!new_encoding_) {
559     return;
560   }
561   std::vector<std::unique_ptr<RtcEventGenericAckReceived>> events(event_count_);
562   for (size_t i = 0; i < event_count_; ++i) {
563     events[i] = (i == 0 || !force_repeated_fields_)
564                     ? gen_.NewGenericAckReceived()
565                     : events[0]->Copy();
566     history_.push_back(events[i]->Copy());
567   }
568 
569   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
570   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
571 
572   const auto& decoded_events = parsed_log_.generic_acks_received();
573   ASSERT_EQ(decoded_events.size(), event_count_);
574 
575   for (size_t i = 0; i < event_count_; ++i) {
576     verifier_.VerifyLoggedGenericAckReceived(*events[i], decoded_events[i]);
577   }
578 }
579 
TEST_P(RtcEventLogEncoderTest,RtcEventDtlsTransportState)580 TEST_P(RtcEventLogEncoderTest, RtcEventDtlsTransportState) {
581   std::vector<std::unique_ptr<RtcEventDtlsTransportState>> events(event_count_);
582   for (size_t i = 0; i < event_count_; ++i) {
583     events[i] = (i == 0 || !force_repeated_fields_)
584                     ? gen_.NewDtlsTransportState()
585                     : events[0]->Copy();
586     history_.push_back(events[i]->Copy());
587   }
588 
589   const std::string encoded =
590       encoder_->EncodeBatch(history_.begin(), history_.end());
591   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
592 
593   const auto& dtls_transport_states = parsed_log_.dtls_transport_states();
594   if (!new_encoding_) {
595     ASSERT_EQ(dtls_transport_states.size(), 0u);
596     return;
597   }
598 
599   ASSERT_EQ(dtls_transport_states.size(), event_count_);
600   for (size_t i = 0; i < event_count_; ++i) {
601     verifier_.VerifyLoggedDtlsTransportState(*events[i],
602                                              dtls_transport_states[i]);
603   }
604 }
605 
TEST_P(RtcEventLogEncoderTest,RtcEventDtlsWritableState)606 TEST_P(RtcEventLogEncoderTest, RtcEventDtlsWritableState) {
607   std::vector<std::unique_ptr<RtcEventDtlsWritableState>> events(event_count_);
608   for (size_t i = 0; i < event_count_; ++i) {
609     events[i] = (i == 0 || !force_repeated_fields_)
610                     ? gen_.NewDtlsWritableState()
611                     : events[0]->Copy();
612     history_.push_back(events[i]->Copy());
613   }
614 
615   const std::string encoded =
616       encoder_->EncodeBatch(history_.begin(), history_.end());
617   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
618 
619   const auto& dtls_writable_states = parsed_log_.dtls_writable_states();
620   if (!new_encoding_) {
621     ASSERT_EQ(dtls_writable_states.size(), 0u);
622     return;
623   }
624 
625   ASSERT_EQ(dtls_writable_states.size(), event_count_);
626 
627   for (size_t i = 0; i < event_count_; ++i) {
628     verifier_.VerifyLoggedDtlsWritableState(*events[i],
629                                             dtls_writable_states[i]);
630   }
631 }
632 
633 // TODO(eladalon/terelius): Test with multiple events in the batch.
TEST_P(RtcEventLogEncoderTest,RtcEventIceCandidatePairConfig)634 TEST_P(RtcEventLogEncoderTest, RtcEventIceCandidatePairConfig) {
635   std::unique_ptr<RtcEventIceCandidatePairConfig> event =
636       gen_.NewIceCandidatePairConfig();
637   history_.push_back(event->Copy());
638 
639   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
640   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
641   const auto& ice_candidate_pair_configs =
642       parsed_log_.ice_candidate_pair_configs();
643 
644   ASSERT_EQ(ice_candidate_pair_configs.size(), 1u);
645   verifier_.VerifyLoggedIceCandidatePairConfig(*event,
646                                                ice_candidate_pair_configs[0]);
647 }
648 
649 // TODO(eladalon/terelius): Test with multiple events in the batch.
TEST_P(RtcEventLogEncoderTest,RtcEventIceCandidatePair)650 TEST_P(RtcEventLogEncoderTest, RtcEventIceCandidatePair) {
651   std::unique_ptr<RtcEventIceCandidatePair> event = gen_.NewIceCandidatePair();
652   history_.push_back(event->Copy());
653 
654   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
655   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
656   const auto& ice_candidate_pair_events =
657       parsed_log_.ice_candidate_pair_events();
658 
659   ASSERT_EQ(ice_candidate_pair_events.size(), 1u);
660   verifier_.VerifyLoggedIceCandidatePairEvent(*event,
661                                               ice_candidate_pair_events[0]);
662 }
663 
TEST_P(RtcEventLogEncoderTest,RtcEventLoggingStarted)664 TEST_P(RtcEventLogEncoderTest, RtcEventLoggingStarted) {
665   const int64_t timestamp_us = rtc::TimeMicros();
666   const int64_t utc_time_us = rtc::TimeUTCMicros();
667 
668   std::string encoded = encoder_->EncodeLogStart(timestamp_us, utc_time_us);
669   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
670   const auto& start_log_events = parsed_log_.start_log_events();
671 
672   ASSERT_EQ(start_log_events.size(), 1u);
673   verifier_.VerifyLoggedStartEvent(timestamp_us, utc_time_us,
674                                    start_log_events[0]);
675 }
676 
TEST_P(RtcEventLogEncoderTest,RtcEventLoggingStopped)677 TEST_P(RtcEventLogEncoderTest, RtcEventLoggingStopped) {
678   const int64_t timestamp_us = rtc::TimeMicros();
679   std::string encoded = encoder_->EncodeLogEnd(timestamp_us);
680   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
681   const auto& stop_log_events = parsed_log_.stop_log_events();
682 
683   ASSERT_EQ(stop_log_events.size(), 1u);
684   verifier_.VerifyLoggedStopEvent(timestamp_us, stop_log_events[0]);
685 }
686 
687 // TODO(eladalon/terelius): Test with multiple events in the batch.
TEST_P(RtcEventLogEncoderTest,RtcEventProbeClusterCreated)688 TEST_P(RtcEventLogEncoderTest, RtcEventProbeClusterCreated) {
689   std::unique_ptr<RtcEventProbeClusterCreated> event =
690       gen_.NewProbeClusterCreated();
691   history_.push_back(event->Copy());
692 
693   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
694   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
695   const auto& bwe_probe_cluster_created_events =
696       parsed_log_.bwe_probe_cluster_created_events();
697 
698   ASSERT_EQ(bwe_probe_cluster_created_events.size(), 1u);
699   verifier_.VerifyLoggedBweProbeClusterCreatedEvent(
700       *event, bwe_probe_cluster_created_events[0]);
701 }
702 
703 // TODO(eladalon/terelius): Test with multiple events in the batch.
TEST_P(RtcEventLogEncoderTest,RtcEventProbeResultFailure)704 TEST_P(RtcEventLogEncoderTest, RtcEventProbeResultFailure) {
705   std::unique_ptr<RtcEventProbeResultFailure> event =
706       gen_.NewProbeResultFailure();
707   history_.push_back(event->Copy());
708 
709   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
710   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
711   const auto& bwe_probe_failure_events = parsed_log_.bwe_probe_failure_events();
712 
713   ASSERT_EQ(bwe_probe_failure_events.size(), 1u);
714   verifier_.VerifyLoggedBweProbeFailureEvent(*event,
715                                              bwe_probe_failure_events[0]);
716 }
717 
718 // TODO(eladalon/terelius): Test with multiple events in the batch.
TEST_P(RtcEventLogEncoderTest,RtcEventProbeResultSuccess)719 TEST_P(RtcEventLogEncoderTest, RtcEventProbeResultSuccess) {
720   std::unique_ptr<RtcEventProbeResultSuccess> event =
721       gen_.NewProbeResultSuccess();
722   history_.push_back(event->Copy());
723 
724   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
725   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
726   const auto& bwe_probe_success_events = parsed_log_.bwe_probe_success_events();
727 
728   ASSERT_EQ(bwe_probe_success_events.size(), 1u);
729   verifier_.VerifyLoggedBweProbeSuccessEvent(*event,
730                                              bwe_probe_success_events[0]);
731 }
732 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpPacketIncoming)733 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpPacketIncoming) {
734   if (force_repeated_fields_) {
735     // RTCP packets maybe delivered twice (once for audio and once for video).
736     // As a work around, we're removing duplicates in the parser.
737     return;
738   }
739 
740   std::vector<std::unique_ptr<RtcEventRtcpPacketIncoming>> events(event_count_);
741   for (size_t i = 0; i < event_count_; ++i) {
742     events[i] = (i == 0 || !force_repeated_fields_)
743                     ? gen_.NewRtcpPacketIncoming()
744                     : events[0]->Copy();
745     history_.push_back(events[i]->Copy());
746   }
747 
748   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
749   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
750 
751   const auto& incoming_rtcp_packets = parsed_log_.incoming_rtcp_packets();
752   ASSERT_EQ(incoming_rtcp_packets.size(), event_count_);
753 
754   for (size_t i = 0; i < event_count_; ++i) {
755     verifier_.VerifyLoggedRtcpPacketIncoming(*events[i],
756                                              incoming_rtcp_packets[i]);
757   }
758 }
759 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpPacketOutgoing)760 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpPacketOutgoing) {
761   std::vector<std::unique_ptr<RtcEventRtcpPacketOutgoing>> events(event_count_);
762   for (size_t i = 0; i < event_count_; ++i) {
763     events[i] = (i == 0 || !force_repeated_fields_)
764                     ? gen_.NewRtcpPacketOutgoing()
765                     : events[0]->Copy();
766     history_.push_back(events[i]->Copy());
767   }
768 
769   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
770   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
771 
772   const auto& outgoing_rtcp_packets = parsed_log_.outgoing_rtcp_packets();
773   ASSERT_EQ(outgoing_rtcp_packets.size(), event_count_);
774 
775   for (size_t i = 0; i < event_count_; ++i) {
776     verifier_.VerifyLoggedRtcpPacketOutgoing(*events[i],
777                                              outgoing_rtcp_packets[i]);
778   }
779 }
780 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpReceiverReport)781 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpReceiverReport) {
782   if (force_repeated_fields_) {
783     return;
784   }
785 
786   rtc::ScopedFakeClock fake_clock;
787   fake_clock.SetTime(Timestamp::Millis(prng_.Rand<uint32_t>()));
788 
789   for (auto direction : {kIncomingPacket, kOutgoingPacket}) {
790     std::vector<rtcp::ReceiverReport> events(event_count_);
791     std::vector<int64_t> timestamps_us(event_count_);
792     for (size_t i = 0; i < event_count_; ++i) {
793       timestamps_us[i] = rtc::TimeMicros();
794       events[i] = gen_.NewReceiverReport();
795       rtc::Buffer buffer = events[i].Build();
796       if (direction == kIncomingPacket) {
797         history_.push_back(
798             std::make_unique<RtcEventRtcpPacketIncoming>(buffer));
799       } else {
800         history_.push_back(
801             std::make_unique<RtcEventRtcpPacketOutgoing>(buffer));
802       }
803       fake_clock.AdvanceTime(TimeDelta::Millis(prng_.Rand(0, 1000)));
804     }
805 
806     std::string encoded =
807         encoder_->EncodeBatch(history_.begin(), history_.end());
808     ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
809 
810     const auto& receiver_reports = parsed_log_.receiver_reports(direction);
811     ASSERT_EQ(receiver_reports.size(), event_count_);
812 
813     for (size_t i = 0; i < event_count_; ++i) {
814       verifier_.VerifyLoggedReceiverReport(timestamps_us[i], events[i],
815                                            receiver_reports[i]);
816     }
817   }
818 }
819 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpSenderReport)820 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpSenderReport) {
821   if (force_repeated_fields_) {
822     return;
823   }
824 
825   rtc::ScopedFakeClock fake_clock;
826   fake_clock.SetTime(Timestamp::Millis(prng_.Rand<uint32_t>()));
827 
828   for (auto direction : {kIncomingPacket, kOutgoingPacket}) {
829     std::vector<rtcp::SenderReport> events(event_count_);
830     std::vector<int64_t> timestamps_us(event_count_);
831     for (size_t i = 0; i < event_count_; ++i) {
832       timestamps_us[i] = rtc::TimeMicros();
833       events[i] = gen_.NewSenderReport();
834       rtc::Buffer buffer = events[i].Build();
835       if (direction == kIncomingPacket) {
836         history_.push_back(
837             std::make_unique<RtcEventRtcpPacketIncoming>(buffer));
838       } else {
839         history_.push_back(
840             std::make_unique<RtcEventRtcpPacketOutgoing>(buffer));
841       }
842       fake_clock.AdvanceTime(TimeDelta::Millis(prng_.Rand(0, 1000)));
843     }
844 
845     std::string encoded =
846         encoder_->EncodeBatch(history_.begin(), history_.end());
847     ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
848 
849     const auto& sender_reports = parsed_log_.sender_reports(direction);
850     ASSERT_EQ(sender_reports.size(), event_count_);
851 
852     for (size_t i = 0; i < event_count_; ++i) {
853       verifier_.VerifyLoggedSenderReport(timestamps_us[i], events[i],
854                                          sender_reports[i]);
855     }
856   }
857 }
858 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpExtendedReports)859 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpExtendedReports) {
860   if (force_repeated_fields_) {
861     return;
862   }
863 
864   rtc::ScopedFakeClock fake_clock;
865   fake_clock.SetTime(Timestamp::Millis(prng_.Rand<uint32_t>()));
866 
867   for (auto direction : {kIncomingPacket, kOutgoingPacket}) {
868     std::vector<rtcp::ExtendedReports> events(event_count_);
869     std::vector<int64_t> timestamps_us(event_count_);
870     for (size_t i = 0; i < event_count_; ++i) {
871       timestamps_us[i] = rtc::TimeMicros();
872       events[i] = gen_.NewExtendedReports();
873       rtc::Buffer buffer = events[i].Build();
874       if (direction == kIncomingPacket) {
875         history_.push_back(
876             std::make_unique<RtcEventRtcpPacketIncoming>(buffer));
877       } else {
878         history_.push_back(
879             std::make_unique<RtcEventRtcpPacketOutgoing>(buffer));
880       }
881       fake_clock.AdvanceTime(TimeDelta::Millis(prng_.Rand(0, 1000)));
882     }
883 
884     std::string encoded =
885         encoder_->EncodeBatch(history_.begin(), history_.end());
886     ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
887 
888     const auto& extended_reports = parsed_log_.extended_reports(direction);
889     ASSERT_EQ(extended_reports.size(), event_count_);
890 
891     for (size_t i = 0; i < event_count_; ++i) {
892       verifier_.VerifyLoggedExtendedReports(timestamps_us[i], events[i],
893                                             extended_reports[i]);
894     }
895   }
896 }
897 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpFir)898 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpFir) {
899   if (force_repeated_fields_) {
900     return;
901   }
902 
903   rtc::ScopedFakeClock fake_clock;
904   fake_clock.SetTime(Timestamp::Millis(prng_.Rand<uint32_t>()));
905 
906   for (auto direction : {kIncomingPacket, kOutgoingPacket}) {
907     std::vector<rtcp::Fir> events(event_count_);
908     std::vector<int64_t> timestamps_us(event_count_);
909     for (size_t i = 0; i < event_count_; ++i) {
910       timestamps_us[i] = rtc::TimeMicros();
911       events[i] = gen_.NewFir();
912       rtc::Buffer buffer = events[i].Build();
913       if (direction == kIncomingPacket) {
914         history_.push_back(
915             std::make_unique<RtcEventRtcpPacketIncoming>(buffer));
916       } else {
917         history_.push_back(
918             std::make_unique<RtcEventRtcpPacketOutgoing>(buffer));
919       }
920       fake_clock.AdvanceTime(TimeDelta::Millis(prng_.Rand(0, 1000)));
921     }
922 
923     std::string encoded =
924         encoder_->EncodeBatch(history_.begin(), history_.end());
925     ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
926 
927     const auto& firs = parsed_log_.firs(direction);
928     ASSERT_EQ(firs.size(), event_count_);
929 
930     for (size_t i = 0; i < event_count_; ++i) {
931       verifier_.VerifyLoggedFir(timestamps_us[i], events[i], firs[i]);
932     }
933   }
934 }
935 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpPli)936 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpPli) {
937   if (force_repeated_fields_) {
938     return;
939   }
940 
941   rtc::ScopedFakeClock fake_clock;
942   fake_clock.SetTime(Timestamp::Millis(prng_.Rand<uint32_t>()));
943 
944   for (auto direction : {kIncomingPacket, kOutgoingPacket}) {
945     std::vector<rtcp::Pli> events(event_count_);
946     std::vector<int64_t> timestamps_us(event_count_);
947     for (size_t i = 0; i < event_count_; ++i) {
948       timestamps_us[i] = rtc::TimeMicros();
949       events[i] = gen_.NewPli();
950       rtc::Buffer buffer = events[i].Build();
951       if (direction == kIncomingPacket) {
952         history_.push_back(
953             std::make_unique<RtcEventRtcpPacketIncoming>(buffer));
954       } else {
955         history_.push_back(
956             std::make_unique<RtcEventRtcpPacketOutgoing>(buffer));
957       }
958       fake_clock.AdvanceTime(TimeDelta::Millis(prng_.Rand(0, 1000)));
959     }
960 
961     std::string encoded =
962         encoder_->EncodeBatch(history_.begin(), history_.end());
963     ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
964 
965     const auto& plis = parsed_log_.plis(direction);
966     ASSERT_EQ(plis.size(), event_count_);
967 
968     for (size_t i = 0; i < event_count_; ++i) {
969       verifier_.VerifyLoggedPli(timestamps_us[i], events[i], plis[i]);
970     }
971   }
972 }
973 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpNack)974 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpNack) {
975   if (force_repeated_fields_) {
976     return;
977   }
978 
979   rtc::ScopedFakeClock fake_clock;
980   fake_clock.SetTime(Timestamp::Millis(prng_.Rand<uint32_t>()));
981 
982   for (auto direction : {kIncomingPacket, kOutgoingPacket}) {
983     std::vector<rtcp::Nack> events(event_count_);
984     std::vector<int64_t> timestamps_us(event_count_);
985     for (size_t i = 0; i < event_count_; ++i) {
986       timestamps_us[i] = rtc::TimeMicros();
987       events[i] = gen_.NewNack();
988       rtc::Buffer buffer = events[i].Build();
989       if (direction == kIncomingPacket) {
990         history_.push_back(
991             std::make_unique<RtcEventRtcpPacketIncoming>(buffer));
992       } else {
993         history_.push_back(
994             std::make_unique<RtcEventRtcpPacketOutgoing>(buffer));
995       }
996       fake_clock.AdvanceTime(TimeDelta::Millis(prng_.Rand(0, 1000)));
997     }
998 
999     std::string encoded =
1000         encoder_->EncodeBatch(history_.begin(), history_.end());
1001     ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
1002 
1003     const auto& nacks = parsed_log_.nacks(direction);
1004     ASSERT_EQ(nacks.size(), event_count_);
1005 
1006     for (size_t i = 0; i < event_count_; ++i) {
1007       verifier_.VerifyLoggedNack(timestamps_us[i], events[i], nacks[i]);
1008     }
1009   }
1010 }
1011 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpRemb)1012 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpRemb) {
1013   if (force_repeated_fields_) {
1014     return;
1015   }
1016 
1017   rtc::ScopedFakeClock fake_clock;
1018   fake_clock.SetTime(Timestamp::Millis(prng_.Rand<uint32_t>()));
1019 
1020   for (auto direction : {kIncomingPacket, kOutgoingPacket}) {
1021     std::vector<rtcp::Remb> events(event_count_);
1022     std::vector<int64_t> timestamps_us(event_count_);
1023     for (size_t i = 0; i < event_count_; ++i) {
1024       timestamps_us[i] = rtc::TimeMicros();
1025       events[i] = gen_.NewRemb();
1026       rtc::Buffer buffer = events[i].Build();
1027       if (direction == kIncomingPacket) {
1028         history_.push_back(
1029             std::make_unique<RtcEventRtcpPacketIncoming>(buffer));
1030       } else {
1031         history_.push_back(
1032             std::make_unique<RtcEventRtcpPacketOutgoing>(buffer));
1033       }
1034       fake_clock.AdvanceTime(TimeDelta::Millis(prng_.Rand(0, 1000)));
1035     }
1036 
1037     std::string encoded =
1038         encoder_->EncodeBatch(history_.begin(), history_.end());
1039     ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
1040 
1041     const auto& rembs = parsed_log_.rembs(direction);
1042     ASSERT_EQ(rembs.size(), event_count_);
1043 
1044     for (size_t i = 0; i < event_count_; ++i) {
1045       verifier_.VerifyLoggedRemb(timestamps_us[i], events[i], rembs[i]);
1046     }
1047   }
1048 }
1049 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpTransportFeedback)1050 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpTransportFeedback) {
1051   if (force_repeated_fields_) {
1052     return;
1053   }
1054 
1055   rtc::ScopedFakeClock fake_clock;
1056   fake_clock.SetTime(Timestamp::Millis(prng_.Rand<uint32_t>()));
1057 
1058   for (auto direction : {kIncomingPacket, kOutgoingPacket}) {
1059     std::vector<rtcp::TransportFeedback> events;
1060     events.reserve(event_count_);
1061     std::vector<int64_t> timestamps_us(event_count_);
1062     for (size_t i = 0; i < event_count_; ++i) {
1063       timestamps_us[i] = rtc::TimeMicros();
1064       events.emplace_back(gen_.NewTransportFeedback());
1065       rtc::Buffer buffer = events[i].Build();
1066       if (direction == kIncomingPacket) {
1067         history_.push_back(
1068             std::make_unique<RtcEventRtcpPacketIncoming>(buffer));
1069       } else {
1070         history_.push_back(
1071             std::make_unique<RtcEventRtcpPacketOutgoing>(buffer));
1072       }
1073       fake_clock.AdvanceTime(TimeDelta::Millis(prng_.Rand(0, 1000)));
1074     }
1075 
1076     std::string encoded =
1077         encoder_->EncodeBatch(history_.begin(), history_.end());
1078     ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
1079 
1080     const auto& transport_feedbacks =
1081         parsed_log_.transport_feedbacks(direction);
1082     ASSERT_EQ(transport_feedbacks.size(), event_count_);
1083 
1084     for (size_t i = 0; i < event_count_; ++i) {
1085       verifier_.VerifyLoggedTransportFeedback(timestamps_us[i], events[i],
1086                                               transport_feedbacks[i]);
1087     }
1088   }
1089 }
1090 
TEST_P(RtcEventLogEncoderTest,RtcEventRtcpLossNotification)1091 TEST_P(RtcEventLogEncoderTest, RtcEventRtcpLossNotification) {
1092   if (force_repeated_fields_) {
1093     return;
1094   }
1095 
1096   rtc::ScopedFakeClock fake_clock;
1097   fake_clock.SetTime(Timestamp::Millis(prng_.Rand<uint32_t>()));
1098 
1099   for (auto direction : {kIncomingPacket, kOutgoingPacket}) {
1100     std::vector<rtcp::LossNotification> events;
1101     events.reserve(event_count_);
1102     std::vector<int64_t> timestamps_us(event_count_);
1103     for (size_t i = 0; i < event_count_; ++i) {
1104       timestamps_us[i] = rtc::TimeMicros();
1105       events.emplace_back(gen_.NewLossNotification());
1106       rtc::Buffer buffer = events[i].Build();
1107       if (direction == kIncomingPacket) {
1108         history_.push_back(
1109             std::make_unique<RtcEventRtcpPacketIncoming>(buffer));
1110       } else {
1111         history_.push_back(
1112             std::make_unique<RtcEventRtcpPacketOutgoing>(buffer));
1113       }
1114       fake_clock.AdvanceTime(TimeDelta::Millis(prng_.Rand(0, 1000)));
1115     }
1116 
1117     std::string encoded =
1118         encoder_->EncodeBatch(history_.begin(), history_.end());
1119     ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
1120 
1121     const auto& loss_notifications = parsed_log_.loss_notifications(direction);
1122     ASSERT_EQ(loss_notifications.size(), event_count_);
1123 
1124     for (size_t i = 0; i < event_count_; ++i) {
1125       verifier_.VerifyLoggedLossNotification(timestamps_us[i], events[i],
1126                                              loss_notifications[i]);
1127     }
1128   }
1129 }
1130 
TEST_P(RtcEventLogEncoderTest,RtcEventRtpPacketIncoming)1131 TEST_P(RtcEventLogEncoderTest, RtcEventRtpPacketIncoming) {
1132   TestRtpPackets<RtcEventRtpPacketIncoming, LoggedRtpPacketIncoming>();
1133 }
1134 
TEST_P(RtcEventLogEncoderTest,RtcEventRtpPacketOutgoing)1135 TEST_P(RtcEventLogEncoderTest, RtcEventRtpPacketOutgoing) {
1136   TestRtpPackets<RtcEventRtpPacketOutgoing, LoggedRtpPacketOutgoing>();
1137 }
1138 
1139 // TODO(eladalon/terelius): Test with multiple events in the batch.
TEST_P(RtcEventLogEncoderTest,RtcEventVideoReceiveStreamConfig)1140 TEST_P(RtcEventLogEncoderTest, RtcEventVideoReceiveStreamConfig) {
1141   uint32_t ssrc = prng_.Rand<uint32_t>();
1142   RtpHeaderExtensionMap extensions = gen_.NewRtpHeaderExtensionMap();
1143   std::unique_ptr<RtcEventVideoReceiveStreamConfig> event =
1144       gen_.NewVideoReceiveStreamConfig(ssrc, extensions);
1145   history_.push_back(event->Copy());
1146 
1147   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
1148   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
1149   const auto& video_recv_configs = parsed_log_.video_recv_configs();
1150 
1151   ASSERT_EQ(video_recv_configs.size(), 1u);
1152   verifier_.VerifyLoggedVideoRecvConfig(*event, video_recv_configs[0]);
1153 }
1154 
1155 // TODO(eladalon/terelius): Test with multiple events in the batch.
TEST_P(RtcEventLogEncoderTest,RtcEventVideoSendStreamConfig)1156 TEST_P(RtcEventLogEncoderTest, RtcEventVideoSendStreamConfig) {
1157   uint32_t ssrc = prng_.Rand<uint32_t>();
1158   RtpHeaderExtensionMap extensions = gen_.NewRtpHeaderExtensionMap();
1159   std::unique_ptr<RtcEventVideoSendStreamConfig> event =
1160       gen_.NewVideoSendStreamConfig(ssrc, extensions);
1161   history_.push_back(event->Copy());
1162 
1163   std::string encoded = encoder_->EncodeBatch(history_.begin(), history_.end());
1164   ASSERT_TRUE(parsed_log_.ParseString(encoded).ok());
1165   const auto& video_send_configs = parsed_log_.video_send_configs();
1166 
1167   ASSERT_EQ(video_send_configs.size(), 1u);
1168   verifier_.VerifyLoggedVideoSendConfig(*event, video_send_configs[0]);
1169 }
1170 
1171 INSTANTIATE_TEST_SUITE_P(
1172     RandomSeeds,
1173     RtcEventLogEncoderTest,
1174     ::testing::Combine(/* Random seed*: */ ::testing::Values(1, 2, 3, 4, 5),
1175                        /* Encoding: */ ::testing::Bool(),
1176                        /* Event count: */ ::testing::Values(1, 2, 10, 100),
1177                        /* Repeated fields: */ ::testing::Bool()));
1178 
1179 }  // namespace webrtc
1180