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29 #include "talk/app/webrtc/statscollector.h"
31 #include "talk/app/webrtc/mediastream.h"
32 #include "talk/app/webrtc/videotrack.h"
33 #include "talk/base/base64.h"
34 #include "talk/base/fakesslidentity.h"
35 #include "talk/base/gunit.h"
36 #include "talk/media/base/fakemediaengine.h"
37 #include "talk/media/devices/fakedevicemanager.h"
38 #include "talk/p2p/base/fakesession.h"
39 #include "talk/session/media/channelmanager.h"
40 #include "testing/base/public/gmock.h"
44 using testing::Return;
45 using testing::ReturnNull;
46 using testing::SetArgPointee;
51 class FakeDeviceManager;
53 } // namespace cricket
57 // Error return values
58 const char kNotFound[] = "NOT FOUND";
59 const char kNoReports[] = "NO REPORTS";
61 // Constant names for track identification.
62 const char kTrackId[] = "somename";
63 const uint32 kSsrcOfTrack = 1234;
65 class MockWebRtcSession : public webrtc::WebRtcSession {
67 explicit MockWebRtcSession(cricket::ChannelManager* channel_manager)
68 : WebRtcSession(channel_manager, talk_base::Thread::Current(),
69 talk_base::Thread::Current(), NULL, NULL) {
71 MOCK_METHOD0(video_channel, cricket::VideoChannel*());
72 MOCK_METHOD2(GetTrackIdBySsrc, bool(uint32, std::string*));
73 MOCK_METHOD1(GetStats, bool(cricket::SessionStats*));
74 MOCK_METHOD1(GetTransport, cricket::Transport*(const std::string&));
77 class MockVideoMediaChannel : public cricket::FakeVideoMediaChannel {
79 MockVideoMediaChannel()
80 : cricket::FakeVideoMediaChannel(NULL) {
82 // MOCK_METHOD0(transport_channel, cricket::TransportChannel*());
83 MOCK_METHOD1(GetStats, bool(cricket::VideoMediaInfo*));
86 bool GetValue(const webrtc::StatsReport* report,
87 const std::string& name,
89 webrtc::StatsReport::Values::const_iterator it = report->values.begin();
90 for (; it != report->values.end(); ++it) {
91 if (it->name == name) {
99 std::string ExtractStatsValue(const std::string& type,
100 const webrtc::StatsReports& reports,
101 const std::string name) {
102 if (reports.empty()) {
105 for (size_t i = 0; i < reports.size(); ++i) {
106 if (reports[i].type != type)
109 if (GetValue(&reports[i], name, &ret)) {
117 // Finds the |n|-th report of type |type| in |reports|.
118 // |n| starts from 1 for finding the first report.
119 const webrtc::StatsReport* FindNthReportByType(
120 const webrtc::StatsReports& reports, const std::string& type, int n) {
121 for (size_t i = 0; i < reports.size(); ++i) {
122 if (reports[i].type == type) {
131 const webrtc::StatsReport* FindReportById(const webrtc::StatsReports& reports,
132 const std::string& id) {
133 for (size_t i = 0; i < reports.size(); ++i) {
134 if (reports[i].id == id) {
141 std::string ExtractSsrcStatsValue(webrtc::StatsReports reports,
142 const std::string& name) {
143 return ExtractStatsValue(
144 webrtc::StatsReport::kStatsReportTypeSsrc, reports, name);
147 std::string ExtractBweStatsValue(webrtc::StatsReports reports,
148 const std::string& name) {
149 return ExtractStatsValue(
150 webrtc::StatsReport::kStatsReportTypeBwe, reports, name);
153 std::string DerToPem(const std::string& der) {
154 return talk_base::SSLIdentity::DerToPem(
155 talk_base::kPemTypeCertificate,
156 reinterpret_cast<const unsigned char*>(der.c_str()),
160 std::vector<std::string> DersToPems(
161 const std::vector<std::string>& ders) {
162 std::vector<std::string> pems(ders.size());
163 std::transform(ders.begin(), ders.end(), pems.begin(), DerToPem);
167 void CheckCertChainReports(const webrtc::StatsReports& reports,
168 const std::vector<std::string>& ders,
169 const std::string& start_id) {
170 std::string certificate_id = start_id;
173 const webrtc::StatsReport* report = FindReportById(reports, certificate_id);
174 ASSERT_TRUE(report != NULL);
176 std::string der_base64;
177 EXPECT_TRUE(GetValue(
178 report, webrtc::StatsReport::kStatsValueNameDer, &der_base64));
179 std::string der = talk_base::Base64::Decode(der_base64,
180 talk_base::Base64::DO_STRICT);
181 EXPECT_EQ(ders[i], der);
183 std::string fingerprint_algorithm;
184 EXPECT_TRUE(GetValue(
186 webrtc::StatsReport::kStatsValueNameFingerprintAlgorithm,
187 &fingerprint_algorithm));
188 // The digest algorithm for a FakeSSLCertificate is always SHA-1.
189 std::string sha_1_str = talk_base::DIGEST_SHA_1;
190 EXPECT_EQ(sha_1_str, fingerprint_algorithm);
192 std::string dummy_fingerprint; // Value is not checked.
193 EXPECT_TRUE(GetValue(
195 webrtc::StatsReport::kStatsValueNameFingerprint,
196 &dummy_fingerprint));
200 report, webrtc::StatsReport::kStatsValueNameIssuerId, &certificate_id))
203 EXPECT_EQ(ders.size(), i);
206 class StatsCollectorTest : public testing::Test {
209 : media_engine_(new cricket::FakeMediaEngine),
211 new cricket::ChannelManager(media_engine_,
212 new cricket::FakeDeviceManager(),
213 talk_base::Thread::Current())),
214 session_(channel_manager_.get()),
215 track_id_(kTrackId) {
216 // By default, we ignore session GetStats calls.
217 EXPECT_CALL(session_, GetStats(_)).WillRepeatedly(Return(false));
220 // This creates a standard setup with a transport called "trspname"
221 // having one transport channel
222 // and the specified virtual connection name.
223 void InitSessionStats(const std::string vc_name) {
224 const std::string kTransportName("trspname");
225 cricket::TransportStats transport_stats;
226 cricket::TransportChannelStats channel_stats;
227 channel_stats.component = 1;
228 transport_stats.content_name = kTransportName;
229 transport_stats.channel_stats.push_back(channel_stats);
231 session_stats_.transport_stats[kTransportName] = transport_stats;
232 session_stats_.proxy_to_transport[vc_name] = kTransportName;
235 // Adds a track with a given SSRC into the stats.
236 void AddVideoTrackStats() {
237 stream_ = webrtc::MediaStream::Create("streamlabel");
238 track_= webrtc::VideoTrack::Create(kTrackId, NULL);
239 stream_->AddTrack(track_);
240 EXPECT_CALL(session_, GetTrackIdBySsrc(kSsrcOfTrack, _))
241 .WillRepeatedly(DoAll(SetArgPointee<1>(track_id_),
245 void TestCertificateReports(const talk_base::FakeSSLCertificate& local_cert,
246 const std::vector<std::string>& local_ders,
247 const talk_base::FakeSSLCertificate& remote_cert,
248 const std::vector<std::string>& remote_ders) {
249 webrtc::StatsCollector stats; // Implementation under test.
250 webrtc::StatsReports reports; // returned values.
251 stats.set_session(&session_);
253 // Fake stats to process.
254 cricket::TransportChannelStats channel_stats;
255 channel_stats.component = 1;
257 cricket::TransportStats transport_stats;
258 transport_stats.content_name = "audio";
259 transport_stats.channel_stats.push_back(channel_stats);
261 cricket::SessionStats session_stats;
262 session_stats.transport_stats[transport_stats.content_name] =
265 // Fake certificates to report.
266 talk_base::FakeSSLIdentity local_identity(local_cert);
267 talk_base::scoped_ptr<talk_base::FakeSSLCertificate> remote_cert_copy(
268 remote_cert.GetReference());
270 // Fake transport object.
271 talk_base::scoped_ptr<cricket::FakeTransport> transport(
272 new cricket::FakeTransport(
273 session_.signaling_thread(),
274 session_.worker_thread(),
275 transport_stats.content_name));
276 transport->SetIdentity(&local_identity);
277 cricket::FakeTransportChannel* channel =
278 static_cast<cricket::FakeTransportChannel*>(
279 transport->CreateChannel(channel_stats.component));
280 EXPECT_FALSE(channel == NULL);
281 channel->SetRemoteCertificate(remote_cert_copy.get());
283 // Configure MockWebRtcSession
284 EXPECT_CALL(session_, GetTransport(transport_stats.content_name))
285 .WillOnce(Return(transport.get()));
286 EXPECT_CALL(session_, GetStats(_))
287 .WillOnce(DoAll(SetArgPointee<0>(session_stats),
289 EXPECT_CALL(session_, video_channel())
290 .WillRepeatedly(ReturnNull());
294 stats.GetStats(NULL, &reports);
296 const webrtc::StatsReport* channel_report = FindNthReportByType(
297 reports, webrtc::StatsReport::kStatsReportTypeComponent, 1);
298 EXPECT_TRUE(channel_report != NULL);
300 // Check local certificate chain.
301 std::string local_certificate_id = ExtractStatsValue(
302 webrtc::StatsReport::kStatsReportTypeComponent,
304 webrtc::StatsReport::kStatsValueNameLocalCertificateId);
305 EXPECT_NE(kNotFound, local_certificate_id);
306 CheckCertChainReports(reports, local_ders, local_certificate_id);
308 // Check remote certificate chain.
309 std::string remote_certificate_id = ExtractStatsValue(
310 webrtc::StatsReport::kStatsReportTypeComponent,
312 webrtc::StatsReport::kStatsValueNameRemoteCertificateId);
313 EXPECT_NE(kNotFound, remote_certificate_id);
314 CheckCertChainReports(reports, remote_ders, remote_certificate_id);
317 cricket::FakeMediaEngine* media_engine_;
318 talk_base::scoped_ptr<cricket::ChannelManager> channel_manager_;
319 MockWebRtcSession session_;
320 cricket::SessionStats session_stats_;
321 talk_base::scoped_refptr<webrtc::MediaStream> stream_;
322 talk_base::scoped_refptr<webrtc::VideoTrack> track_;
323 std::string track_id_;
326 // This test verifies that 64-bit counters are passed successfully.
327 TEST_F(StatsCollectorTest, BytesCounterHandles64Bits) {
328 webrtc::StatsCollector stats; // Implementation under test.
329 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel;
330 cricket::VideoChannel video_channel(talk_base::Thread::Current(),
331 media_engine_, media_channel, &session_, "", false, NULL);
332 webrtc::StatsReports reports; // returned values.
333 cricket::VideoSenderInfo video_sender_info;
334 cricket::VideoMediaInfo stats_read;
335 // The number of bytes must be larger than 0xFFFFFFFF for this test.
336 const int64 kBytesSent = 12345678901234LL;
337 const std::string kBytesSentString("12345678901234");
339 stats.set_session(&session_);
340 AddVideoTrackStats();
341 stats.AddStream(stream_);
343 // Construct a stats value to read.
344 video_sender_info.add_ssrc(1234);
345 video_sender_info.bytes_sent = kBytesSent;
346 stats_read.senders.push_back(video_sender_info);
348 EXPECT_CALL(session_, video_channel())
349 .WillRepeatedly(Return(&video_channel));
350 EXPECT_CALL(*media_channel, GetStats(_))
351 .WillOnce(DoAll(SetArgPointee<0>(stats_read),
354 stats.GetStats(NULL, &reports);
355 std::string result = ExtractSsrcStatsValue(reports, "bytesSent");
356 EXPECT_EQ(kBytesSentString, result);
359 // Test that BWE information is reported via stats.
360 TEST_F(StatsCollectorTest, BandwidthEstimationInfoIsReported) {
361 webrtc::StatsCollector stats; // Implementation under test.
362 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel;
363 cricket::VideoChannel video_channel(talk_base::Thread::Current(),
364 media_engine_, media_channel, &session_, "", false, NULL);
365 webrtc::StatsReports reports; // returned values.
366 cricket::VideoSenderInfo video_sender_info;
367 cricket::VideoMediaInfo stats_read;
368 // Set up an SSRC just to test that we get both kinds of stats back: SSRC and
370 const int64 kBytesSent = 12345678901234LL;
371 const std::string kBytesSentString("12345678901234");
373 stats.set_session(&session_);
374 AddVideoTrackStats();
375 stats.AddStream(stream_);
377 // Construct a stats value to read.
378 video_sender_info.add_ssrc(1234);
379 video_sender_info.bytes_sent = kBytesSent;
380 stats_read.senders.push_back(video_sender_info);
381 cricket::BandwidthEstimationInfo bwe;
382 const int kTargetEncBitrate = 123456;
383 const std::string kTargetEncBitrateString("123456");
384 bwe.target_enc_bitrate = kTargetEncBitrate;
385 stats_read.bw_estimations.push_back(bwe);
387 EXPECT_CALL(session_, video_channel())
388 .WillRepeatedly(Return(&video_channel));
389 EXPECT_CALL(*media_channel, GetStats(_))
390 .WillOnce(DoAll(SetArgPointee<0>(stats_read),
394 stats.GetStats(NULL, &reports);
395 std::string result = ExtractSsrcStatsValue(reports, "bytesSent");
396 EXPECT_EQ(kBytesSentString, result);
397 result = ExtractBweStatsValue(reports, "googTargetEncBitrate");
398 EXPECT_EQ(kTargetEncBitrateString, result);
401 // This test verifies that an object of type "googSession" always
402 // exists in the returned stats.
403 TEST_F(StatsCollectorTest, SessionObjectExists) {
404 webrtc::StatsCollector stats; // Implementation under test.
405 webrtc::StatsReports reports; // returned values.
406 stats.set_session(&session_);
407 EXPECT_CALL(session_, video_channel())
408 .WillRepeatedly(ReturnNull());
410 stats.GetStats(NULL, &reports);
411 const webrtc::StatsReport* session_report = FindNthReportByType(
412 reports, webrtc::StatsReport::kStatsReportTypeSession, 1);
413 EXPECT_FALSE(session_report == NULL);
416 // This test verifies that only one object of type "googSession" exists
417 // in the returned stats.
418 TEST_F(StatsCollectorTest, OnlyOneSessionObjectExists) {
419 webrtc::StatsCollector stats; // Implementation under test.
420 webrtc::StatsReports reports; // returned values.
421 stats.set_session(&session_);
422 EXPECT_CALL(session_, video_channel())
423 .WillRepeatedly(ReturnNull());
426 stats.GetStats(NULL, &reports);
427 const webrtc::StatsReport* session_report = FindNthReportByType(
428 reports, webrtc::StatsReport::kStatsReportTypeSession, 1);
429 EXPECT_FALSE(session_report == NULL);
430 session_report = FindNthReportByType(
431 reports, webrtc::StatsReport::kStatsReportTypeSession, 2);
432 EXPECT_EQ(NULL, session_report);
435 // This test verifies that the empty track report exists in the returned stats
436 // without calling StatsCollector::UpdateStats.
437 TEST_F(StatsCollectorTest, TrackObjectExistsWithoutUpdateStats) {
438 webrtc::StatsCollector stats; // Implementation under test.
439 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel;
440 cricket::VideoChannel video_channel(talk_base::Thread::Current(),
441 media_engine_, media_channel, &session_, "", false, NULL);
442 AddVideoTrackStats();
443 stats.AddStream(stream_);
445 stats.set_session(&session_);
447 webrtc::StatsReports reports;
449 // Verfies the existence of the track report.
450 stats.GetStats(NULL, &reports);
451 EXPECT_EQ((size_t)1, reports.size());
452 EXPECT_EQ(std::string(webrtc::StatsReport::kStatsReportTypeTrack),
455 std::string trackValue =
456 ExtractStatsValue(webrtc::StatsReport::kStatsReportTypeTrack,
458 webrtc::StatsReport::kStatsValueNameTrackId);
459 EXPECT_EQ(kTrackId, trackValue);
462 // This test verifies that the empty track report exists in the returned stats
463 // when StatsCollector::UpdateStats is called with ssrc stats.
464 TEST_F(StatsCollectorTest, TrackAndSsrcObjectExistAfterUpdateSsrcStats) {
465 webrtc::StatsCollector stats; // Implementation under test.
466 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel;
467 cricket::VideoChannel video_channel(talk_base::Thread::Current(),
468 media_engine_, media_channel, &session_, "", false, NULL);
469 AddVideoTrackStats();
470 stats.AddStream(stream_);
472 stats.set_session(&session_);
474 webrtc::StatsReports reports;
476 // Constructs an ssrc stats update.
477 cricket::VideoSenderInfo video_sender_info;
478 cricket::VideoMediaInfo stats_read;
479 const int64 kBytesSent = 12345678901234LL;
481 // Construct a stats value to read.
482 video_sender_info.add_ssrc(1234);
483 video_sender_info.bytes_sent = kBytesSent;
484 stats_read.senders.push_back(video_sender_info);
486 EXPECT_CALL(session_, video_channel())
487 .WillRepeatedly(Return(&video_channel));
488 EXPECT_CALL(*media_channel, GetStats(_))
489 .WillOnce(DoAll(SetArgPointee<0>(stats_read),
493 stats.GetStats(NULL, &reports);
494 // |reports| should contain at least one session report, one track report,
495 // and one ssrc report.
496 EXPECT_LE((size_t)3, reports.size());
497 const webrtc::StatsReport* track_report = FindNthReportByType(
498 reports, webrtc::StatsReport::kStatsReportTypeTrack, 1);
499 EXPECT_FALSE(track_report == NULL);
501 stats.GetStats(track_, &reports);
502 // |reports| should contain at least one session report, one track report,
503 // and one ssrc report.
504 EXPECT_LE((size_t)3, reports.size());
505 track_report = FindNthReportByType(
506 reports, webrtc::StatsReport::kStatsReportTypeTrack, 1);
507 EXPECT_FALSE(track_report == NULL);
509 std::string ssrc_id = ExtractSsrcStatsValue(
510 reports, webrtc::StatsReport::kStatsValueNameSsrc);
511 EXPECT_EQ(talk_base::ToString<uint32>(kSsrcOfTrack), ssrc_id);
513 std::string track_id = ExtractSsrcStatsValue(
514 reports, webrtc::StatsReport::kStatsValueNameTrackId);
515 EXPECT_EQ(kTrackId, track_id);
518 // This test verifies that an SSRC object has the identifier of a Transport
519 // stats object, and that this transport stats object exists in stats.
520 TEST_F(StatsCollectorTest, TransportObjectLinkedFromSsrcObject) {
521 webrtc::StatsCollector stats; // Implementation under test.
522 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel;
523 // The content_name known by the video channel.
524 const std::string kVcName("vcname");
525 cricket::VideoChannel video_channel(talk_base::Thread::Current(),
526 media_engine_, media_channel, &session_, kVcName, false, NULL);
527 AddVideoTrackStats();
528 stats.AddStream(stream_);
530 stats.set_session(&session_);
532 webrtc::StatsReports reports;
534 // Constructs an ssrc stats update.
535 cricket::VideoSenderInfo video_sender_info;
536 cricket::VideoMediaInfo stats_read;
537 const int64 kBytesSent = 12345678901234LL;
539 // Construct a stats value to read.
540 video_sender_info.add_ssrc(1234);
541 video_sender_info.bytes_sent = kBytesSent;
542 stats_read.senders.push_back(video_sender_info);
544 EXPECT_CALL(session_, video_channel())
545 .WillRepeatedly(Return(&video_channel));
546 EXPECT_CALL(*media_channel, GetStats(_))
547 .WillRepeatedly(DoAll(SetArgPointee<0>(stats_read),
550 InitSessionStats(kVcName);
551 EXPECT_CALL(session_, GetStats(_))
552 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
556 stats.GetStats(NULL, &reports);
557 std::string transport_id = ExtractStatsValue(
558 webrtc::StatsReport::kStatsReportTypeSsrc,
560 webrtc::StatsReport::kStatsValueNameTransportId);
561 ASSERT_NE(kNotFound, transport_id);
562 const webrtc::StatsReport* transport_report = FindReportById(reports,
564 ASSERT_FALSE(transport_report == NULL);
567 // This test verifies that a remote stats object will not be created for
568 // an outgoing SSRC where remote stats are not returned.
569 TEST_F(StatsCollectorTest, RemoteSsrcInfoIsAbsent) {
570 webrtc::StatsCollector stats; // Implementation under test.
571 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel;
572 // The content_name known by the video channel.
573 const std::string kVcName("vcname");
574 cricket::VideoChannel video_channel(talk_base::Thread::Current(),
575 media_engine_, media_channel, &session_, kVcName, false, NULL);
576 AddVideoTrackStats();
577 stats.AddStream(stream_);
579 stats.set_session(&session_);
581 EXPECT_CALL(session_, video_channel())
582 .WillRepeatedly(ReturnNull());
585 webrtc::StatsReports reports;
586 stats.GetStats(NULL, &reports);
587 const webrtc::StatsReport* remote_report = FindNthReportByType(reports,
588 webrtc::StatsReport::kStatsReportTypeRemoteSsrc, 1);
589 EXPECT_TRUE(remote_report == NULL);
592 // This test verifies that a remote stats object will be created for
593 // an outgoing SSRC where stats are returned.
594 TEST_F(StatsCollectorTest, RemoteSsrcInfoIsPresent) {
595 webrtc::StatsCollector stats; // Implementation under test.
596 MockVideoMediaChannel* media_channel = new MockVideoMediaChannel;
597 // The content_name known by the video channel.
598 const std::string kVcName("vcname");
599 cricket::VideoChannel video_channel(talk_base::Thread::Current(),
600 media_engine_, media_channel, &session_, kVcName, false, NULL);
601 AddVideoTrackStats();
602 stats.AddStream(stream_);
604 stats.set_session(&session_);
606 webrtc::StatsReports reports;
608 // Instruct the session to return stats containing the transport channel.
609 InitSessionStats(kVcName);
610 EXPECT_CALL(session_, GetStats(_))
611 .WillRepeatedly(DoAll(SetArgPointee<0>(session_stats_),
614 // Constructs an ssrc stats update.
615 cricket::VideoMediaInfo stats_read;
617 cricket::SsrcReceiverInfo remote_ssrc_stats;
618 remote_ssrc_stats.timestamp = 12345.678;
619 remote_ssrc_stats.ssrc = kSsrcOfTrack;
620 cricket::VideoSenderInfo video_sender_info;
621 video_sender_info.add_ssrc(kSsrcOfTrack);
622 video_sender_info.remote_stats.push_back(remote_ssrc_stats);
623 stats_read.senders.push_back(video_sender_info);
625 EXPECT_CALL(session_, video_channel())
626 .WillRepeatedly(Return(&video_channel));
627 EXPECT_CALL(*media_channel, GetStats(_))
628 .WillRepeatedly(DoAll(SetArgPointee<0>(stats_read),
632 stats.GetStats(NULL, &reports);
633 const webrtc::StatsReport* remote_report = FindNthReportByType(reports,
634 webrtc::StatsReport::kStatsReportTypeRemoteSsrc, 1);
635 EXPECT_FALSE(remote_report == NULL);
636 EXPECT_NE(0, remote_report->timestamp);
639 // This test verifies that all chained certificates are correctly
641 TEST_F(StatsCollectorTest, ChainedCertificateReportsCreated) {
642 // Build local certificate chain.
643 std::vector<std::string> local_ders(5);
644 local_ders[0] = "These";
645 local_ders[1] = "are";
646 local_ders[2] = "some";
647 local_ders[3] = "der";
648 local_ders[4] = "values";
649 talk_base::FakeSSLCertificate local_cert(DersToPems(local_ders));
651 // Build remote certificate chain
652 std::vector<std::string> remote_ders(4);
653 remote_ders[0] = "A";
654 remote_ders[1] = "non-";
655 remote_ders[2] = "intersecting";
656 remote_ders[3] = "set";
657 talk_base::FakeSSLCertificate remote_cert(DersToPems(remote_ders));
659 TestCertificateReports(local_cert, local_ders, remote_cert, remote_ders);
662 // This test verifies that all certificates without chains are correctly
664 TEST_F(StatsCollectorTest, ChainlessCertificateReportsCreated) {
665 // Build local certificate.
666 std::string local_der = "This is the local der.";
667 talk_base::FakeSSLCertificate local_cert(DerToPem(local_der));
669 // Build remote certificate.
670 std::string remote_der = "This is somebody else's der.";
671 talk_base::FakeSSLCertificate remote_cert(DerToPem(remote_der));
673 TestCertificateReports(local_cert, std::vector<std::string>(1, local_der),
674 remote_cert, std::vector<std::string>(1, remote_der));
677 // This test verifies that the stats are generated correctly when no
678 // transport is present.
679 TEST_F(StatsCollectorTest, NoTransport) {
680 webrtc::StatsCollector stats; // Implementation under test.
681 webrtc::StatsReports reports; // returned values.
682 stats.set_session(&session_);
684 // Fake stats to process.
685 cricket::TransportChannelStats channel_stats;
686 channel_stats.component = 1;
688 cricket::TransportStats transport_stats;
689 transport_stats.content_name = "audio";
690 transport_stats.channel_stats.push_back(channel_stats);
692 cricket::SessionStats session_stats;
693 session_stats.transport_stats[transport_stats.content_name] =
696 // Configure MockWebRtcSession
697 EXPECT_CALL(session_, GetTransport(transport_stats.content_name))
698 .WillOnce(ReturnNull());
699 EXPECT_CALL(session_, GetStats(_))
700 .WillOnce(DoAll(SetArgPointee<0>(session_stats),
703 EXPECT_CALL(session_, video_channel())
704 .WillRepeatedly(ReturnNull());
707 stats.GetStats(NULL, &reports);
709 // Check that the local certificate is absent.
710 std::string local_certificate_id = ExtractStatsValue(
711 webrtc::StatsReport::kStatsReportTypeComponent,
713 webrtc::StatsReport::kStatsValueNameLocalCertificateId);
714 ASSERT_EQ(kNotFound, local_certificate_id);
716 // Check that the remote certificate is absent.
717 std::string remote_certificate_id = ExtractStatsValue(
718 webrtc::StatsReport::kStatsReportTypeComponent,
720 webrtc::StatsReport::kStatsValueNameRemoteCertificateId);
721 ASSERT_EQ(kNotFound, remote_certificate_id);
724 // This test verifies that the stats are generated correctly when the transport
725 // does not have any certificates.
726 TEST_F(StatsCollectorTest, NoCertificates) {
727 webrtc::StatsCollector stats; // Implementation under test.
728 webrtc::StatsReports reports; // returned values.
729 stats.set_session(&session_);
731 // Fake stats to process.
732 cricket::TransportChannelStats channel_stats;
733 channel_stats.component = 1;
735 cricket::TransportStats transport_stats;
736 transport_stats.content_name = "audio";
737 transport_stats.channel_stats.push_back(channel_stats);
739 cricket::SessionStats session_stats;
740 session_stats.transport_stats[transport_stats.content_name] =
743 // Fake transport object.
744 talk_base::scoped_ptr<cricket::FakeTransport> transport(
745 new cricket::FakeTransport(
746 session_.signaling_thread(),
747 session_.worker_thread(),
748 transport_stats.content_name));
750 // Configure MockWebRtcSession
751 EXPECT_CALL(session_, GetTransport(transport_stats.content_name))
752 .WillOnce(Return(transport.get()));
753 EXPECT_CALL(session_, GetStats(_))
754 .WillOnce(DoAll(SetArgPointee<0>(session_stats),
756 EXPECT_CALL(session_, video_channel())
757 .WillRepeatedly(ReturnNull());
760 stats.GetStats(NULL, &reports);
762 // Check that the local certificate is absent.
763 std::string local_certificate_id = ExtractStatsValue(
764 webrtc::StatsReport::kStatsReportTypeComponent,
766 webrtc::StatsReport::kStatsValueNameLocalCertificateId);
767 ASSERT_EQ(kNotFound, local_certificate_id);
769 // Check that the remote certificate is absent.
770 std::string remote_certificate_id = ExtractStatsValue(
771 webrtc::StatsReport::kStatsReportTypeComponent,
773 webrtc::StatsReport::kStatsValueNameRemoteCertificateId);
774 ASSERT_EQ(kNotFound, remote_certificate_id);