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Viewing changes to protocols/jabber/libjingle/talk/app/webrtc/roapsession_unittest.cc

  • Committer: Package Import Robot
  • Author(s): Maximiliano Curia
  • Date: 2015-02-24 11:32:57 UTC
  • mfrom: (1.1.41 vivid)
  • Revision ID: package-import@ubuntu.com-20150224113257-gnupg4v7lzz18ij0
Tags: 4:14.12.2-1
* New upstream release (14.12.2).
* Bump Standards-Version to 3.9.6, no changes needed.

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protocols/jabber/libjingle/talk/app/webrtc/roapsession_unittest.cc
 
1
/*
 
2
 * libjingle
 
3
 * Copyright 2011, Google Inc.
 
4
 *
 
5
 * Redistribution and use in source and binary forms, with or without
 
6
 * modification, are permitted provided that the following conditions are met:
 
7
 *
 
8
 *  1. Redistributions of source code must retain the above copyright notice,
 
9
 *     this list of conditions and the following disclaimer.
 
10
 *  2. Redistributions in binary form must reproduce the above copyright notice,
 
11
 *     this list of conditions and the following disclaimer in the documentation
 
12
 *     and/or other materials provided with the distribution.
 
13
 *  3. The name of the author may not be used to endorse or promote products
 
14
 *     derived from this software without specific prior written permission.
 
15
 *
 
16
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 
17
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 
18
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 
19
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 
20
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 
21
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 
22
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 
23
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 
24
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 
25
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
26
 */
 
27
 
 
28
#include <string>
 
29
 
 
30
#include "talk/app/webrtc/roapmessages.h"
 
31
#include "talk/app/webrtc/roapsession.h"
 
32
#include "talk/base/gunit.h"
 
33
#include "talk/base/logging.h"
 
34
#include "talk/base/scoped_ptr.h"
 
35
 
 
36
using webrtc::RoapMessageBase;
 
37
using webrtc::RoapSession;
 
38
using webrtc::RoapAnswer;
 
39
using webrtc::RoapOffer;
 
40
 
 
41
// Reference sdp string
 
42
static const char kSdpDescription1[] =
 
43
    "m=fake content 1\r\n"
 
44
    "m=fake content 2\r\n";
 
45
 
 
46
static const char kSdpDescription2[] =
 
47
    "m=fake content 3\r\n"
 
48
    "m=fake content 4\r\n";
 
49
 
 
50
TEST(RoapSessionTest, OfferAnswer) {
 
51
  RoapSession roap_session1;
 
52
  RoapSession roap_session2;
 
53
 
 
54
  std::string offer_message = roap_session1.CreateOffer(kSdpDescription1);
 
55
 
 
56
  // Check that it is valid to send to another peer.
 
57
  EXPECT_EQ(RoapSession::kOffer, roap_session2.Parse(offer_message));
 
58
  std::string received_offer(roap_session2.RemoteDescription());
 
59
 
 
60
  EXPECT_FALSE(received_offer.empty());
 
61
  EXPECT_EQ(kSdpDescription1, received_offer);
 
62
 
 
63
  std::string answer_message = roap_session2.CreateAnswer(kSdpDescription2);
 
64
 
 
65
  EXPECT_EQ(RoapSession::kAnswer, roap_session1.Parse(answer_message));
 
66
  std::string received_answer(roap_session1.RemoteDescription());
 
67
 
 
68
  EXPECT_EQ(kSdpDescription2, received_answer);
 
69
  EXPECT_NE(received_offer, received_answer);
 
70
}
 
71
 
 
72
TEST(RoapSessionTest, InvalidInitialization) {
 
73
  RoapSession roap_session1;
 
74
  RoapSession roap_session2;
 
75
 
 
76
  std::string offer_message1 = roap_session1.CreateOffer(kSdpDescription1);
 
77
  std::string offer_message2 = roap_session2.CreateOffer(kSdpDescription2);
 
78
 
 
79
  // It is an error to receive an initial offer if you have sent an
 
80
  // initial offer.
 
81
  EXPECT_EQ(RoapSession::kInvalidMessage,
 
82
            roap_session1.Parse(offer_message2));
 
83
 
 
84
  EXPECT_EQ(RoapSession::kInvalidMessage,
 
85
            roap_session2.Parse(offer_message1));
 
86
}
 
87
 
 
88
TEST(RoapSessionTest, Glare) {
 
89
  RoapSession roap_session1;
 
90
  RoapSession roap_session2;
 
91
 
 
92
  // Setup. Need to exchange an offer and an answer in order to test for glare.
 
93
  std::string offer_message1 = roap_session1.CreateOffer(kSdpDescription1);
 
94
 
 
95
  roap_session2.Parse(offer_message1);
 
96
  std::string answer_message2 = roap_session2.CreateAnswer(kSdpDescription2);
 
97
  roap_session1.Parse(answer_message2);
 
98
 
 
99
  // Ok- we should now have all we need. Create a glare condition by
 
100
  // updating the offer simultaneously.
 
101
  offer_message1 = roap_session1.CreateOffer(kSdpDescription2);
 
102
  std::string offer_message2 = roap_session2.CreateOffer(kSdpDescription1);
 
103
 
 
104
  EXPECT_TRUE(
 
105
      (RoapSession::kOffer == roap_session1.Parse(offer_message2) &&
 
106
      RoapSession::kParseConflict == roap_session2.Parse(offer_message1)) ||
 
107
      (RoapSession::kOffer == roap_session2.Parse(offer_message1) &&
 
108
      RoapSession::kParseConflict == roap_session1.Parse(offer_message2)));
 
109
}
 
110
 
 
111
// Test Glare resolution by setting different TieBreakers.
 
112
TEST(RoapSessionTest, TieBreaker) {
 
113
  RoapSession roap_session1;
 
114
  RoapSession roap_session2;
 
115
 
 
116
  // Offer 1
 
117
  std::string offer_message1 = roap_session1.CreateOffer(kSdpDescription1);
 
118
 
 
119
  EXPECT_EQ(RoapSession::kOffer, roap_session2.Parse(offer_message1));
 
120
  std::string received_offer(roap_session2.RemoteDescription());
 
121
  std::string answer_message2 = roap_session2.CreateAnswer(kSdpDescription2);
 
122
 
 
123
  EXPECT_EQ(RoapSession::kAnswer, roap_session1.Parse(answer_message2));
 
124
 
 
125
  // Ok- we should now have all we need. Create a double conflict condition.
 
126
  offer_message1 = roap_session1.CreateOffer(kSdpDescription2);
 
127
  RoapMessageBase message_base;
 
128
  EXPECT_TRUE(message_base.Parse(offer_message1));
 
129
  RoapOffer message_offer(message_base);
 
130
  EXPECT_TRUE(message_offer.Parse());
 
131
  RoapOffer double_conflict_offer(message_offer.answer_session_id(),
 
132
                                  message_offer.offer_session_id(),
 
133
                                  "",
 
134
                                  message_offer.seq(),
 
135
                                  message_offer.tie_breaker(),
 
136
                                  kSdpDescription1);
 
137
  EXPECT_EQ(RoapSession::kParseDoubleConflict,
 
138
            roap_session1.Parse(double_conflict_offer.Serialize()));
 
139
 
 
140
  // After a double conflict both offers must be abandoned and a new offer
 
141
  // created. Recreate the sent offer.
 
142
  offer_message1 = roap_session1.CreateOffer(kSdpDescription2);
 
143
  EXPECT_TRUE(message_base.Parse(offer_message1));
 
144
  RoapOffer message_offer2(message_base);
 
145
 
 
146
  RoapOffer losing_offer(message_offer2.answer_session_id(),
 
147
                         message_offer2.offer_session_id(),
 
148
                         "",
 
149
                         message_offer2.seq(),
 
150
                         0,
 
151
                         kSdpDescription1);
 
152
  EXPECT_EQ(RoapSession::kParseConflict,
 
153
            roap_session1.Parse(losing_offer.Serialize()));
 
154
 
 
155
  RoapOffer winning_offer(message_offer2.answer_session_id(),
 
156
                          message_offer2.offer_session_id(),
 
157
                          "",
 
158
                          message_offer2.seq(),
 
159
                          0xFFFFFFFF,
 
160
                          kSdpDescription1);
 
161
  EXPECT_EQ(RoapSession::kOffer,
 
162
            roap_session1.Parse(winning_offer.Serialize()));
 
163
}
 
164
 
 
165
TEST(RoapSessionTest, SequenceNumberOnOffer) {
 
166
  RoapSession roap_session1;
 
167
  RoapSession roap_session2;
 
168
 
 
169
  std::string offer_message = roap_session1.CreateOffer(kSdpDescription1);
 
170
  EXPECT_EQ(RoapSession::kOffer, roap_session2.Parse(offer_message));
 
171
 
 
172
  // Invalid since we have already received the same  message.
 
173
  EXPECT_EQ(RoapSession::kInvalidMessage, roap_session2.Parse(offer_message));
 
174
 
 
175
  RoapMessageBase message_base;
 
176
  EXPECT_TRUE(message_base.Parse(offer_message));
 
177
  RoapOffer message_offer(message_base);
 
178
  EXPECT_TRUE(message_offer.Parse());
 
179
  // Create a new offer with higher sequence number.
 
180
  RoapOffer new_offer(message_offer.offer_session_id(),
 
181
                      message_offer.answer_session_id(),
 
182
                      message_offer.session_token(),
 
183
                      message_offer.seq()+1,
 
184
                      0,
 
185
                      kSdpDescription1);
 
186
 
 
187
  EXPECT_EQ(RoapSession::kOffer, roap_session2.Parse(new_offer.Serialize()));
 
188
}
 
189
 
 
190
TEST(RoapSessionTest, SequenceNumberOnOfferInGlare) {
 
191
  RoapSession roap_session1;
 
192
  RoapSession roap_session2;
 
193
 
 
194
  // Setup. Need to exchange an offer and an answer in order to test for glare.
 
195
  std::string offer_message1 = roap_session1.CreateOffer(kSdpDescription1);
 
196
 
 
197
  roap_session2.Parse(offer_message1);
 
198
  std::string answer_message2 = roap_session2.CreateAnswer(kSdpDescription2);
 
199
  roap_session1.Parse(answer_message2);
 
200
 
 
201
  // Ok- we should now have all we need. Create a glare condition by
 
202
  // updating the offers simultaneously.
 
203
  offer_message1 = roap_session1.CreateOffer(kSdpDescription2);
 
204
  std::string offer_message2 = roap_session2.CreateOffer(kSdpDescription1);
 
205
 
 
206
  RoapMessageBase message_base;
 
207
  EXPECT_TRUE(message_base.Parse(offer_message1));
 
208
  RoapOffer message_offer(message_base);
 
209
  EXPECT_TRUE(message_offer.Parse());
 
210
  // Create an offer with lower sequence number.
 
211
  RoapOffer bad_offer(message_offer.offer_session_id(),
 
212
                      message_offer.answer_session_id(),
 
213
                      message_offer.session_token(),
 
214
                      message_offer.seq()-1,
 
215
                      0,
 
216
                      kSdpDescription1);
 
217
 
 
218
  EXPECT_EQ(RoapSession::kInvalidMessage,
 
219
            roap_session2.Parse(bad_offer.Serialize()));
 
220
 
 
221
  // Test that we accept offers with higher sequence number in glare.
 
222
  RoapOffer god_offer(message_offer.offer_session_id(),
 
223
                      message_offer.answer_session_id(),
 
224
                      message_offer.session_token(),
 
225
                      message_offer.seq()+1,
 
226
                      0,
 
227
                      kSdpDescription1);
 
228
 
 
229
  EXPECT_EQ(RoapSession::kOffer,
 
230
            roap_session2.Parse(god_offer.Serialize()));
 
231
}
 
232
 
 
233
 
 
234
TEST(RoapSessionTest, SequenceNumberOnAnswer) {
 
235
  RoapSession roap_session1;
 
236
  RoapSession roap_session2;
 
237
 
 
238
  std::string offer_message = roap_session1.CreateOffer(kSdpDescription1);
 
239
 
 
240
  EXPECT_EQ(RoapSession::kOffer, roap_session2.Parse(offer_message));
 
241
  std::string answer_message = roap_session2.CreateAnswer(kSdpDescription2);
 
242
 
 
243
  RoapMessageBase message_base;
 
244
  EXPECT_TRUE(message_base.Parse(offer_message));
 
245
  RoapAnswer message_answer(message_base);
 
246
  EXPECT_TRUE(message_answer.Parse());
 
247
 
 
248
  // Create an answer with higher sequence number than the offer.
 
249
  RoapAnswer bad_answer(message_answer.offer_session_id(),
 
250
                        message_answer.answer_session_id(),
 
251
                        message_answer.session_token(),
 
252
                        message_answer.response_token(),
 
253
                        message_answer.seq()+1,
 
254
                        kSdpDescription2);
 
255
 
 
256
  EXPECT_EQ(RoapSession::kInvalidMessage,
 
257
            roap_session1.Parse(bad_answer.Serialize()));
 
258
 
 
259
  RoapAnswer god_answer(message_answer.offer_session_id(),
 
260
                        message_answer.answer_session_id(),
 
261
                        message_answer.session_token(),
 
262
                        message_answer.response_token(),
 
263
                        message_answer.seq(),
 
264
                        kSdpDescription2);
 
265
 
 
266
  EXPECT_EQ(RoapSession::kAnswer, roap_session1.Parse(god_answer.Serialize()));
 
267
}
 
268
 
 
269
TEST(RoapSessionTest, ShutDownOk) {
 
270
  RoapSession roap_session1;
 
271
  std::string shutdown = roap_session1.CreateShutDown();
 
272
 
 
273
  RoapSession roap_session2;
 
274
  EXPECT_EQ(RoapSession::kShutDown, roap_session2.Parse(shutdown));
 
275
 
 
276
  std::string ok_message = roap_session2.CreateOk();
 
277
  EXPECT_EQ(RoapSession::kOk, roap_session1.Parse(ok_message));
 
278
}
 
279
 
 
280
TEST(RoapSessionTest, ErrorMessageCreation) {
 
281
  RoapSession roap_session1;
 
282
  RoapSession roap_session2;
 
283
 
 
284
  std::string message = roap_session1.CreateErrorMessage(webrtc::kNoMatch);
 
285
  EXPECT_EQ(RoapSession::kError, roap_session2.Parse(message));
 
286
  EXPECT_EQ(webrtc::kNoMatch, roap_session2.RemoteError());
 
287
 
 
288
  message = roap_session1.CreateErrorMessage(webrtc::kTimeout);
 
289
  EXPECT_EQ(RoapSession::kError, roap_session2.Parse(message));
 
290
  EXPECT_EQ(webrtc::kTimeout, roap_session2.RemoteError());
 
291
 
 
292
  message = roap_session1.CreateErrorMessage(webrtc::kRefused);
 
293
  EXPECT_EQ(RoapSession::kError, roap_session2.Parse(message));
 
294
  EXPECT_EQ(webrtc::kRefused, roap_session2.RemoteError());
 
295
 
 
296
  message = roap_session1.CreateErrorMessage(webrtc::kConflict);
 
297
  EXPECT_EQ(RoapSession::kError, roap_session2.Parse(message));
 
298
  EXPECT_EQ(webrtc::kConflict, roap_session2.RemoteError());
 
299
 
 
300
  message = roap_session1.CreateErrorMessage(webrtc::kDoubleConflict);
 
301
  EXPECT_EQ(RoapSession::kError, roap_session2.Parse(message));
 
302
  EXPECT_EQ(webrtc::kDoubleConflict, roap_session2.RemoteError());
 
303
 
 
304
  message = roap_session1.CreateErrorMessage(webrtc::kFailed);
 
305
  EXPECT_EQ(RoapSession::kError, roap_session2.Parse(message));
 
306
  EXPECT_EQ(webrtc::kFailed, roap_session2.RemoteError());
 
307
}