1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
content / browser / webrtc / webrtc_internals_browsertest.cc [blame]
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdint.h>
#include "base/command_line.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/values_test_util.h"
#include "base/time/time.h"
#include "base/values.h"
#include "build/build_config.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/shell/browser/shell.h"
#include "media/base/media_switches.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
using std::string;
namespace content {
struct SsrcEntry {
string GetSsrcAttributeString() const {
std::stringstream ss;
ss << "a=ssrc:" << id;
std::map<string, string>::const_iterator iter;
for (iter = properties.begin(); iter != properties.end(); ++iter) {
ss << " " << iter->first << ":" << iter->second;
}
return ss.str();
}
string GetAsJSON() const {
std::stringstream ss;
ss << "{";
std::map<string, string>::const_iterator iter;
for (iter = properties.begin(); iter != properties.end(); ++iter) {
if (iter != properties.begin())
ss << ",";
ss << "\"" << iter->first << "\":\"" << iter->second << "\"";
}
ss << "}";
return ss.str();
}
string id;
std::map<string, string> properties;
};
struct EventEntry {
string type;
string value;
};
struct StatsUnit {
string GetString() const {
std::stringstream ss;
ss << "{timestamp:" << timestamp << ", values:[";
std::map<string, string>::const_iterator iter;
for (iter = values.begin(); iter != values.end(); ++iter) {
ss << "'" << iter->first << "','" << iter->second << "',";
}
ss << "]}";
return ss.str();
}
int64_t timestamp;
std::map<string, string> values;
};
struct StatsEntry {
string type;
string id;
StatsUnit stats;
};
typedef std::map<string, std::vector<string> > StatsMap;
class PeerConnectionEntry {
public:
PeerConnectionEntry(int rid, int lid) : rid_(rid), lid_(lid) {}
void AddEvent(const string& type, const string& value) {
EventEntry entry = {type, value};
events_.push_back(entry);
}
string getIdString() const {
std::stringstream ss;
ss << rid_ << "-" << lid_;
return ss.str();
}
string getLogIdString() const {
std::stringstream ss;
ss << rid_ << "-" << lid_ << "-update-log";
return ss.str();
}
string getAllUpdateString() const {
std::stringstream ss;
ss << "{rid:" << rid_ << ", lid:" << lid_ << ", log:[";
for (size_t i = 0; i < events_.size(); ++i) {
ss << "{type:'" << events_[i].type <<
"', value:'" << events_[i].value << "'},";
}
ss << "]}";
return ss.str();
}
int rid_;
int lid_;
std::vector<EventEntry> events_;
// This is a record of the history of stats value reported for each stats
// report id (e.g. ssrc-1234) for each stats name (e.g. framerate).
// It a 2-D map with each map entry is a vector of reported values.
// It is used to verify the graph data series.
std::map<string, StatsMap> stats_;
};
class UserMediaRequestEntry {
public:
UserMediaRequestEntry(int rid,
int pid,
const std::string& origin,
const std::string& audio_constraints,
const std::string& video_constraints)
: rid(rid),
pid(pid),
origin(origin),
audio_constraints(audio_constraints),
video_constraints(video_constraints) {}
int rid;
int pid;
std::string origin;
std::string audio_constraints;
std::string video_constraints;
};
class WebRtcInternalsBrowserTest : public ContentBrowserTest {
public:
WebRtcInternalsBrowserTest() = default;
~WebRtcInternalsBrowserTest() override = default;
void SetUpCommandLine(base::CommandLine* command_line) override {
command_line->AppendSwitch(switches::kUseFakeUIForMediaStream);
}
void SetUpOnMainThread() override {
ASSERT_TRUE(base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kUseFakeDeviceForMediaStream));
}
protected:
bool ExecuteJavascript(const string& javascript) {
return ExecJs(shell(), javascript);
}
void ExpectTitle(const std::string& expected_title) const {
std::u16string expected_title16(base::ASCIIToUTF16(expected_title));
TitleWatcher title_watcher(shell()->web_contents(), expected_title16);
EXPECT_EQ(expected_title16, title_watcher.WaitAndGetTitle());
}
// Execute the javascript of addPeerConnection.
void ExecuteAddPeerConnectionJs(const PeerConnectionEntry& pc) {
std::stringstream ss;
ss << "{rid:" << pc.rid_ << ", lid:" << pc.lid_ << ", pid:" << 0 << ", "
<< "url:'u', rtcConfiguration:'s', constraints:'c'}";
ASSERT_TRUE(ExecuteJavascript(
"cr.webUIListenerCallback('add-peer-connection', " + ss.str() + ");"));
}
// Execute the javascript of removePeerConnection.
void ExecuteRemovePeerConnectionJs(const PeerConnectionEntry& pc) {
std::stringstream ss;
ss << "{rid:" << pc.rid_ << ", lid:" << pc.lid_ << "}";
ASSERT_TRUE(ExecuteJavascript(
"cr.webUIListenerCallback('remove-peer-connection', " + ss.str() +
");"));
}
// Execute the javascript of addMedia.
void ExecuteAddMediaJs(const UserMediaRequestEntry& request) {
std::stringstream ss;
ss << "{rid:" << request.rid << ", pid:" << request.pid << ", origin:'"
<< request.origin << "', audio:'" << request.audio_constraints
<< "', video:'" << request.video_constraints << "'}";
ASSERT_TRUE(ExecuteJavascript("cr.webUIListenerCallback('add-media', " +
ss.str() + ");"));
}
// Execute the javascript of removeMediaForRenderer.
void ExecuteRemoveMediaForRendererJs(int rid) {
std::stringstream ss;
ss << "{rid:" << rid << "}";
ASSERT_TRUE(ExecuteJavascript(
"cr.webUIListenerCallback('remove-media-for-renderer', " + ss.str() +
");"));
}
// Verifies that the DOM element with id |id| exists.
void VerifyElementWithId(const string& id) {
EXPECT_EQ(true, EvalJs(shell(),
"document.getElementById('" + id + "') != null;"));
}
// Verifies that the DOM element with id |id| does not exist.
void VerifyNoElementWithId(const string& id) {
EXPECT_EQ(true, EvalJs(shell(),
"document.getElementById('" + id + "') == null;"));
}
// Verifies that the JS object |graphViews| contains no keys starting with id
// |id|.
void VerifyNoGraphViewsWithId(const string& id) {
EXPECT_EQ(true,
EvalJs(shell(),
"Object.keys(graphViews).filter(key => key.startsWith('" +
id + "')).length === 0;"));
}
// Verifies the JS Array of userMediaRequests matches |requests|.
void VerifyMediaRequest(const std::vector<UserMediaRequestEntry>& requests) {
string json_requests =
EvalJs(shell(), "JSON.stringify(userMediaRequests);").ExtractString();
base::Value::List list_request = base::test::ParseJsonList(json_requests);
EXPECT_EQ(requests.size(), list_request.size());
for (size_t i = 0; i < requests.size(); ++i) {
const base::Value& value = list_request[i];
ASSERT_TRUE(value.is_dict());
const base::Value::Dict& dict = value.GetDict();
std::optional<int> rid = dict.FindInt("rid");
std::optional<int> pid = dict.FindInt("pid");
ASSERT_TRUE(rid);
ASSERT_TRUE(pid);
const std::string* origin = dict.FindString("origin");
const std::string* audio = dict.FindString("audio");
const std::string* video = dict.FindString("video");
ASSERT_TRUE(origin);
ASSERT_TRUE(audio);
ASSERT_TRUE(video);
EXPECT_EQ(requests[i].rid, *rid);
EXPECT_EQ(requests[i].pid, *pid);
EXPECT_EQ(requests[i].origin, *origin);
EXPECT_EQ(requests[i].audio_constraints, *audio);
EXPECT_EQ(requests[i].video_constraints, *video);
}
bool user_media_tab_existed =
EvalJs(shell(), "document.querySelector('#user-media-tab-id') != null;")
.ExtractBool();
EXPECT_EQ(!requests.empty(), user_media_tab_existed);
if (user_media_tab_existed) {
int user_media_request_count =
EvalJs(shell(),
"document.querySelector('#user-media-tab-id')"
" .childNodes.length")
.ExtractInt();
// The list of childnodes includes the input field and its label.
ASSERT_EQ(requests.size(),
static_cast<size_t>(user_media_request_count) - 2);
}
}
// Verifies that DOM for |pc| is correctly created with the right content.
void VerifyPeerConnectionEntry(const PeerConnectionEntry& pc) {
VerifyElementWithId(pc.getIdString());
if (pc.events_.size() == 0)
return;
string log_id = pc.getLogIdString();
VerifyElementWithId(log_id);
string result;
for (size_t i = 0; i < pc.events_.size(); ++i) {
std::stringstream ss;
ss << "var row = document.getElementById('" << log_id << "').rows["
<< (i + 1)
<< "];"
"var cell = row.lastChild;"
"cell.firstChild.textContent;";
EXPECT_EQ(pc.events_[i].type + pc.events_[i].value,
EvalJs(shell(), ss.str()));
}
}
// Executes the javascript of updatePeerConnection and verifies the result.
void ExecuteAndVerifyUpdatePeerConnection(
PeerConnectionEntry& pc, const string& type, const string& value) {
pc.AddEvent(type, value);
std::stringstream ss;
ss << "{rid:" << pc.rid_ << ", lid:" << pc.lid_ << ", type:'" << type
<< "', value:'" << value << "'}";
ASSERT_TRUE(ExecuteJavascript(
"cr.webUIListenerCallback('update-peer-connection', " + ss.str() +
")"));
VerifyPeerConnectionEntry(pc);
}
// Verifies that the stats table has the right content.
void VerifyStatsTable(const PeerConnectionEntry& pc,
const StatsEntry& report) {
string table_id =
pc.getIdString() + "-table-" + report.id;
VerifyElementWithId(table_id);
std::map<string, string>::const_iterator iter;
for (iter = report.stats.values.begin();
iter != report.stats.values.end(); iter++) {
VerifyStatsTableRow(table_id, iter->first, iter->second);
}
}
// Verifies that the row named as |name| of the stats table |table_id| has
// the correct content as |name| : |value|.
void VerifyStatsTableRow(const string& table_id,
const string& name,
const string& value) {
VerifyElementWithId(table_id + "-" + name);
EXPECT_EQ(name + ":" + value,
EvalJs(shell(), "var row = document.getElementById('" + table_id +
"-" + name +
"');"
"var name = row.cells[0].textContent;"
"var value = row.cells[1].textContent;"
"name + ':' + value"));
}
// Verifies that the graph data series consistent with pc.stats_.
void VerifyStatsGraph(const PeerConnectionEntry& pc) {
std::map<string, StatsMap>::const_iterator stream_iter;
for (stream_iter = pc.stats_.begin();
stream_iter != pc.stats_.end(); stream_iter++) {
StatsMap::const_iterator stats_iter;
for (stats_iter = stream_iter->second.begin();
stats_iter != stream_iter->second.end();
stats_iter++) {
string graph_id = stream_iter->first + "-" + stats_iter->first;
for (size_t i = 0; i < stats_iter->second.size(); ++i) {
float number;
std::stringstream stream(stats_iter->second[i]);
stream >> number;
if (stream.fail())
continue;
VerifyGraphDataPoint(
pc.getIdString(), graph_id, i, stats_iter->second[i]);
}
}
}
}
// Verifies that the graph data point at index |index| has value |value|.
void VerifyGraphDataPoint(const string& pc_id, const string& graph_id,
int index, const string& value) {
EXPECT_EQ(true, EvalJs(shell(), "graphViews['" + pc_id + "-" + graph_id +
"'] != null"));
std::stringstream ss;
ss << "var dp = peerConnectionDataStore['" << pc_id
<< "']"
".getDataSeries('"
<< graph_id << "').dataPoints_[" << index
<< "];"
"dp.value.toString()";
EXPECT_EQ(value, EvalJs(shell(), ss.str()));
}
};
IN_PROC_BROWSER_TEST_F(WebRtcInternalsBrowserTest, AddAndRemovePeerConnection) {
GURL url("chrome://webrtc-internals");
EXPECT_TRUE(NavigateToURL(shell(), url));
// Add two PeerConnections and then remove them.
PeerConnectionEntry pc_1(1, 0);
ExecuteAddPeerConnectionJs(pc_1);
VerifyPeerConnectionEntry(pc_1);
PeerConnectionEntry pc_2(2, 1);
ExecuteAddPeerConnectionJs(pc_2);
VerifyPeerConnectionEntry(pc_2);
ExecuteRemovePeerConnectionJs(pc_1);
VerifyNoElementWithId(pc_1.getIdString());
VerifyNoGraphViewsWithId(pc_1.getIdString());
VerifyPeerConnectionEntry(pc_2);
ExecuteRemovePeerConnectionJs(pc_2);
VerifyNoElementWithId(pc_2.getIdString());
VerifyNoGraphViewsWithId(pc_2.getIdString());
}
IN_PROC_BROWSER_TEST_F(WebRtcInternalsBrowserTest, UpdateAllPeerConnections) {
GURL url("chrome://webrtc-internals");
EXPECT_TRUE(NavigateToURL(shell(), url));
PeerConnectionEntry pc_0(1, 0);
pc_0.AddEvent("e1", "v1");
pc_0.AddEvent("e2", "v2");
PeerConnectionEntry pc_1(1, 1);
pc_1.AddEvent("e3", "v3");
pc_1.AddEvent("e4", "v4");
string pc_array = "[" + pc_0.getAllUpdateString() + ", " +
pc_1.getAllUpdateString() + "]";
EXPECT_TRUE(ExecuteJavascript(
"cr.webUIListenerCallback('update-all-peer-connections', " + pc_array +
");"));
VerifyPeerConnectionEntry(pc_0);
VerifyPeerConnectionEntry(pc_1);
}
// Timing out on ARM linux bot: http://crbug.com/238490
// Disabling due to failure on Linux, Mac, Win: http://crbug.com/272413
// Sanity check of the page content under a real PeerConnection call.
IN_PROC_BROWSER_TEST_F(WebRtcInternalsBrowserTest,
DISABLED_WithRealPeerConnectionCall) {
// Start a peerconnection call in the first window.
ASSERT_TRUE(embedded_test_server()->Start());
GURL url(embedded_test_server()->GetURL("/media/peerconnection-call.html"));
EXPECT_TRUE(NavigateToURL(shell(), url));
ASSERT_EQ(true, EvalJs(shell(), "call({video:true});"));
ExpectTitle("OK");
// Open webrtc-internals in the second window.
GURL url2("chrome://webrtc-internals");
Shell* shell2 = CreateBrowser();
EXPECT_TRUE(NavigateToURL(shell2, url2));
const int NUMBER_OF_PEER_CONNECTIONS = 2;
// Verifies the number of peerconnections.
EXPECT_EQ(NUMBER_OF_PEER_CONNECTIONS,
EvalJs(shell2,
"document.querySelector('#peer-connections-list')"
" .getElementsByTagName('li').length;"));
// Verifies the the event tables.
EXPECT_EQ(NUMBER_OF_PEER_CONNECTIONS,
EvalJs(shell2,
"document.querySelector('#peer-connections-list')"
" .getElementsByClassName('update-log-table').length;"));
EXPECT_GT(
EvalJs(shell2,
"document.querySelector('#peer-connections-list')"
" .getElementsByClassName('update-log-table')[0].rows.length;"),
1);
EXPECT_GT(
EvalJs(shell2,
"document.querySelector('#peer-connections-list')"
" .getElementsByClassName('update-log-table')[1].rows.length;"),
1);
// Wait until the stats table containers are created.
int count = 0;
while (count != NUMBER_OF_PEER_CONNECTIONS) {
count = EvalJs(shell2,
"document.querySelector('#peer-connections-list')"
" .getElementsByClassName("
" 'stats-table-container').length;")
.ExtractInt();
}
// Verifies each stats table having more than one rows.
EXPECT_EQ(
true,
EvalJs(shell2,
"var tableContainers = "
"document.querySelector('#peer-connections-list')"
" .getElementsByClassName('stats-table-container');"
"var result = true;"
"for (var i = 0; i < tableContainers.length && result; ++i) {"
" var tables = tableContainers[i].getElementsByTagName('table');"
" for (var j = 0; j < tables.length && result; ++j) {"
" result = (tables[j].rows.length > 1);"
" }"
" if (!result) {"
" console.log(tableContainers[i].innerHTML);"
" }"
"}"
"result;"));
}
IN_PROC_BROWSER_TEST_F(WebRtcInternalsBrowserTest, UpdateMedia) {
GURL url("chrome://webrtc-internals");
EXPECT_TRUE(NavigateToURL(shell(), url));
UserMediaRequestEntry request1(1, 1, "origin", "ac", "vc");
UserMediaRequestEntry request2(2, 2, "origin2", "ac2", "vc2");
ExecuteAddMediaJs(request1);
ExecuteAddMediaJs(request2);
std::vector<UserMediaRequestEntry> list;
list.push_back(request1);
list.push_back(request2);
VerifyMediaRequest(list);
ExecuteRemoveMediaForRendererJs(1);
list.erase(list.begin());
VerifyMediaRequest(list);
ExecuteRemoveMediaForRendererJs(2);
list.erase(list.begin());
VerifyMediaRequest(list);
}
} // namespace content