Move talk/app/webrtc to webrtc/api

talk/app/webrtc/jsepsessiondescription_unittest.cc

-/*
- * libjingle
- * Copyright 2012 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <string>
-
-#include "talk/app/webrtc/jsepicecandidate.h"
-#include "talk/app/webrtc/jsepsessiondescription.h"
-#include "talk/session/media/mediasession.h"
-#include "webrtc/base/gunit.h"
-#include "webrtc/base/helpers.h"
-#include "webrtc/base/scoped_ptr.h"
-#include "webrtc/base/ssladapter.h"
-#include "webrtc/base/stringencode.h"
-#include "webrtc/p2p/base/candidate.h"
-#include "webrtc/p2p/base/constants.h"
-#include "webrtc/p2p/base/sessiondescription.h"
-
-using webrtc::IceCandidateCollection;
-using webrtc::IceCandidateInterface;
-using webrtc::JsepIceCandidate;
-using webrtc::JsepSessionDescription;
-using webrtc::SessionDescriptionInterface;
-using rtc::scoped_ptr;
-
-static const char kCandidateUfrag[] = "ufrag";
-static const char kCandidatePwd[] = "pwd";
-static const char kCandidateUfragVoice[] = "ufrag_voice";
-static const char kCandidatePwdVoice[] = "pwd_voice";
-static const char kCandidateUfragVideo[] = "ufrag_video";
-static const char kCandidatePwdVideo[] = "pwd_video";
-
-// This creates a session description with both audio and video media contents.
-// In SDP this is described by two m lines, one audio and one video.
-static cricket::SessionDescription* CreateCricketSessionDescription() {
-  cricket::SessionDescription* desc(new cricket::SessionDescription());
-  // AudioContentDescription
-  scoped_ptr<cricket::AudioContentDescription> audio(
-      new cricket::AudioContentDescription());
-
-  // VideoContentDescription
-  scoped_ptr<cricket::VideoContentDescription> video(
-      new cricket::VideoContentDescription());
-
-  audio->AddCodec(cricket::AudioCodec(103, "ISAC", 16000, 0, 0, 0));
-  desc->AddContent(cricket::CN_AUDIO, cricket::NS_JINGLE_RTP,
-                   audio.release());
-
-  video->AddCodec(cricket::VideoCodec(120, "VP8", 640, 480, 30, 0));
-  desc->AddContent(cricket::CN_VIDEO, cricket::NS_JINGLE_RTP,
-                   video.release());
-
-  EXPECT_TRUE(desc->AddTransportInfo(cricket::TransportInfo(
-      cricket::CN_AUDIO,
-      cricket::TransportDescription(
-          std::vector<std::string>(), kCandidateUfragVoice, kCandidatePwdVoice,
-          cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_NONE, NULL))));
-  EXPECT_TRUE(desc->AddTransportInfo(cricket::TransportInfo(
-      cricket::CN_VIDEO,
-      cricket::TransportDescription(
-          std::vector<std::string>(), kCandidateUfragVideo, kCandidatePwdVideo,
-          cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_NONE, NULL))));
-  return desc;
-}
-
-class JsepSessionDescriptionTest : public testing::Test {
- protected:
-  virtual void SetUp() {
-    int port = 1234;
-    rtc::SocketAddress address("127.0.0.1", port++);
-    cricket::Candidate candidate(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp",
-                                 address, 1, "", "", "local", 0, "1");
-    candidate_ = candidate;
-    const std::string session_id =
-        rtc::ToString(rtc::CreateRandomId64());
-    const std::string session_version =
-        rtc::ToString(rtc::CreateRandomId());
-    jsep_desc_.reset(new JsepSessionDescription("dummy"));
-    ASSERT_TRUE(jsep_desc_->Initialize(CreateCricketSessionDescription(),
-        session_id, session_version));
-  }
-
-  std::string Serialize(const SessionDescriptionInterface* desc) {
-    std::string sdp;
-    EXPECT_TRUE(desc->ToString(&sdp));
-    EXPECT_FALSE(sdp.empty());
-    return sdp;
-  }
-
-  SessionDescriptionInterface* DeSerialize(const std::string& sdp) {
-    JsepSessionDescription* desc(new JsepSessionDescription("dummy"));
-    EXPECT_TRUE(desc->Initialize(sdp, NULL));
-    return desc;
-  }
-
-  cricket::Candidate candidate_;
-  rtc::scoped_ptr<JsepSessionDescription> jsep_desc_;
-};
-
-// Test that number_of_mediasections() returns the number of media contents in
-// a session description.
-TEST_F(JsepSessionDescriptionTest, CheckSessionDescription) {
-  EXPECT_EQ(2u, jsep_desc_->number_of_mediasections());
-}
-
-// Test that we can add a candidate to a session description.
-TEST_F(JsepSessionDescriptionTest, AddCandidateWithoutMid) {
-  JsepIceCandidate jsep_candidate("", 0, candidate_);
-  EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate));
-  const IceCandidateCollection* ice_candidates = jsep_desc_->candidates(0);
-  ASSERT_TRUE(ice_candidates != NULL);
-  EXPECT_EQ(1u, ice_candidates->count());
-  const IceCandidateInterface* ice_candidate = ice_candidates->at(0);
-  ASSERT_TRUE(ice_candidate != NULL);
-  candidate_.set_username(kCandidateUfragVoice);
-  candidate_.set_password(kCandidatePwdVoice);
-  EXPECT_TRUE(ice_candidate->candidate().IsEquivalent(candidate_));
-  EXPECT_EQ(0, ice_candidate->sdp_mline_index());
-  EXPECT_EQ(0u, jsep_desc_->candidates(1)->count());
-}
-
-TEST_F(JsepSessionDescriptionTest, AddCandidateWithMid) {
-  // mid and m-line index don't match, in this case mid is preferred.
-  JsepIceCandidate jsep_candidate("video", 0, candidate_);
-  EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate));
-  EXPECT_EQ(0u, jsep_desc_->candidates(0)->count());
-  const IceCandidateCollection* ice_candidates = jsep_desc_->candidates(1);
-  ASSERT_TRUE(ice_candidates != NULL);
-  EXPECT_EQ(1u, ice_candidates->count());
-  const IceCandidateInterface* ice_candidate = ice_candidates->at(0);
-  ASSERT_TRUE(ice_candidate != NULL);
-  candidate_.set_username(kCandidateUfragVideo);
-  candidate_.set_password(kCandidatePwdVideo);
-  EXPECT_TRUE(ice_candidate->candidate().IsEquivalent(candidate_));
-  // The mline index should have been updated according to mid.
-  EXPECT_EQ(1, ice_candidate->sdp_mline_index());
-}
-
-TEST_F(JsepSessionDescriptionTest, AddCandidateAlreadyHasUfrag) {
-  candidate_.set_username(kCandidateUfrag);
-  candidate_.set_password(kCandidatePwd);
-  JsepIceCandidate jsep_candidate("audio", 0, candidate_);
-  EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate));
-  const IceCandidateCollection* ice_candidates = jsep_desc_->candidates(0);
-  ASSERT_TRUE(ice_candidates != NULL);
-  EXPECT_EQ(1u, ice_candidates->count());
-  const IceCandidateInterface* ice_candidate = ice_candidates->at(0);
-  ASSERT_TRUE(ice_candidate != NULL);
-  candidate_.set_username(kCandidateUfrag);
-  candidate_.set_password(kCandidatePwd);
-  EXPECT_TRUE(ice_candidate->candidate().IsEquivalent(candidate_));
-
-  EXPECT_EQ(0u, jsep_desc_->candidates(1)->count());
-}
-
-// Test that we can not add a candidate if there is no corresponding media
-// content in the session description.
-TEST_F(JsepSessionDescriptionTest, AddBadCandidate) {
-  JsepIceCandidate bad_candidate1("", 55, candidate_);
-  EXPECT_FALSE(jsep_desc_->AddCandidate(&bad_candidate1));
-
-  JsepIceCandidate bad_candidate2("some weird mid", 0, candidate_);
-  EXPECT_FALSE(jsep_desc_->AddCandidate(&bad_candidate2));
-}
-
-// Tests that repeatedly adding the same candidate, with or without credentials,
-// does not increase the number of candidates in the description.
-TEST_F(JsepSessionDescriptionTest, AddCandidateDuplicates) {
-  JsepIceCandidate jsep_candidate("", 0, candidate_);
-  EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate));
-  EXPECT_EQ(1u, jsep_desc_->candidates(0)->count());
-
-  // Add the same candidate again.  It should be ignored.
-  EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate));
-  EXPECT_EQ(1u, jsep_desc_->candidates(0)->count());
-
-  // Create a new candidate, identical except that the ufrag and pwd are now
-  // populated.
-  candidate_.set_username(kCandidateUfragVoice);
-  candidate_.set_password(kCandidatePwdVoice);
-  JsepIceCandidate jsep_candidate_with_credentials("", 0, candidate_);
-
-  // This should also be identified as redundant and ignored.
-  EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate_with_credentials));
-  EXPECT_EQ(1u, jsep_desc_->candidates(0)->count());
-}
-
-// Test that we can serialize a JsepSessionDescription and deserialize it again.
-TEST_F(JsepSessionDescriptionTest, SerializeDeserialize) {
-  std::string sdp = Serialize(jsep_desc_.get());
-
-  scoped_ptr<SessionDescriptionInterface> parsed_jsep_desc(DeSerialize(sdp));
-  EXPECT_EQ(2u, parsed_jsep_desc->number_of_mediasections());
-
-  std::string parsed_sdp = Serialize(parsed_jsep_desc.get());
-  EXPECT_EQ(sdp, parsed_sdp);
-}
-
-// Tests that we can serialize and deserialize a JsepSesssionDescription
-// with candidates.
-TEST_F(JsepSessionDescriptionTest, SerializeDeserializeWithCandidates) {
-  std::string sdp = Serialize(jsep_desc_.get());
-
-  // Add a candidate and check that the serialized result is different.
-  JsepIceCandidate jsep_candidate("audio", 0, candidate_);
-  EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate));
-  std::string sdp_with_candidate = Serialize(jsep_desc_.get());
-  EXPECT_NE(sdp, sdp_with_candidate);
-
-  scoped_ptr<SessionDescriptionInterface> parsed_jsep_desc(
-      DeSerialize(sdp_with_candidate));
-  std::string parsed_sdp_with_candidate = Serialize(parsed_jsep_desc.get());
-
-  EXPECT_EQ(sdp_with_candidate, parsed_sdp_with_candidate);
-}