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/*
* libjingle
* Copyright 2004--2011, 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 "talk/session/phone/mediamessages.h"
#include <string>
#include <vector>
#include "talk/base/gunit.h"
#include "talk/base/scoped_ptr.h"
#include "talk/p2p/base/constants.h"
#include "talk/session/phone/mediasessionclient.h"
#include "talk/xmllite/xmlelement.h"
// Unit tests for mediamessages.cc.
namespace cricket {
namespace {
static const char kViewVideoNoneXml[] =
"<view xmlns='google:jingle'"
" name='video1'"
" type='none'"
"/>";
class MediaMessagesTest : public testing::Test {
public:
// CreateMediaSessionDescription uses a static variable cricket::NS_JINGLE_RTP
// defined in another file and cannot be used to initialize another static
// variable (http://www.parashift.com/c++-faq-lite/ctors.html#faq-10.14)
MediaMessagesTest()
: remote_description_(CreateMediaSessionDescription("audio1", "video1")) {
}
protected:
static std::string ViewVideoStaticVgaXml(const std::string& ssrc) {
return "<view xmlns='google:jingle'"
" name='video1'"
" type='static'"
" ssrc='" + ssrc + "'"
">"
"<params"
" width='640'"
" height='480'"
" framerate='30'"
" preference='0'"
" />"
"</view>";
}
static cricket::StreamParams CreateStream(const std::string& nick,
const std::string& name,
uint32 ssrc1,
uint32 ssrc2,
const std::string& semantics,
const std::string& type,
const std::string& display) {
StreamParams stream;
stream.nick = nick;
stream.name = name;
stream.ssrcs.push_back(ssrc1);
stream.ssrcs.push_back(ssrc2);
stream.ssrc_groups.push_back(
cricket::SsrcGroup(semantics, stream.ssrcs));
stream.type = type;
stream.display = display;
return stream;
}
static std::string StreamsXml(const std::string& stream1,
const std::string& stream2) {
return "<streams xmlns='google:jingle'>"
+ stream1
+ stream2 +
"</streams>";
}
static std::string StreamXml(const std::string& nick,
const std::string& name,
const std::string& ssrc1,
const std::string& ssrc2,
const std::string& semantics,
const std::string& type,
const std::string& display) {
return "<stream"
" nick='" + nick + "'"
" name='" + name + "'"
" type='" + type + "'"
" display='" + display + "'"
">"
"<ssrc>" + ssrc1 + "</ssrc>"
"<ssrc>" + ssrc2 + "</ssrc>"
"<ssrc-group"
" semantics='" + semantics + "'"
">"
"<ssrc>" + ssrc1 + "</ssrc>"
"<ssrc>" + ssrc2 + "</ssrc>"
"</ssrc-group>"
"</stream>";
}
static cricket::SessionDescription* CreateMediaSessionDescription(
const std::string& audio_content_name,
const std::string& video_content_name) {
cricket::SessionDescription* desc = new cricket::SessionDescription();
desc->AddContent(audio_content_name, cricket::NS_JINGLE_RTP,
new cricket::AudioContentDescription());
desc->AddContent(video_content_name, cricket::NS_JINGLE_RTP,
new cricket::VideoContentDescription());
return desc;
}
talk_base::scoped_ptr<cricket::SessionDescription> remote_description_;
};
} // anonymous namespace
// Test serializing/deserializing an empty <view> message.
TEST_F(MediaMessagesTest, ViewNoneToFromXml) {
buzz::XmlElement* expected_view_elem =
buzz::XmlElement::ForStr(kViewVideoNoneXml);
talk_base::scoped_ptr<buzz::XmlElement> action_elem(
new buzz::XmlElement(QN_JINGLE));
EXPECT_FALSE(cricket::IsJingleViewRequest(action_elem.get()));
action_elem->AddElement(expected_view_elem);
EXPECT_TRUE(cricket::IsJingleViewRequest(action_elem.get()));
cricket::ViewRequest view_request;
cricket::XmlElements actual_view_elems;
cricket::WriteError error;
ASSERT_TRUE(cricket::WriteJingleViewRequest(
"video1", view_request, &actual_view_elems, &error));
ASSERT_EQ(1U, actual_view_elems.size());
EXPECT_EQ(expected_view_elem->Str(), actual_view_elems[0]->Str());
cricket::ParseError parse_error;
EXPECT_TRUE(cricket::IsJingleViewRequest(action_elem.get()));
ASSERT_TRUE(cricket::ParseJingleViewRequest(
action_elem.get(), &view_request, &parse_error));
EXPECT_EQ(0U, view_request.static_video_views.size());
}
// Test serializing/deserializing an a simple vga <view> message.
TEST_F(MediaMessagesTest, ViewVgaToFromXml) {
talk_base::scoped_ptr<buzz::XmlElement> action_elem(
new buzz::XmlElement(QN_JINGLE));
buzz::XmlElement* expected_view_elem1 =
buzz::XmlElement::ForStr(ViewVideoStaticVgaXml("1234"));
buzz::XmlElement* expected_view_elem2 =
buzz::XmlElement::ForStr(ViewVideoStaticVgaXml("2468"));
action_elem->AddElement(expected_view_elem1);
action_elem->AddElement(expected_view_elem2);
cricket::ViewRequest view_request;
cricket::XmlElements actual_view_elems;
cricket::WriteError error;
view_request.static_video_views.push_back(
cricket::StaticVideoView(1234, 640, 480, 30));
view_request.static_video_views.push_back(
cricket::StaticVideoView(2468, 640, 480, 30));
ASSERT_TRUE(cricket::WriteJingleViewRequest(
"video1", view_request, &actual_view_elems, &error));
ASSERT_EQ(2U, actual_view_elems.size());
EXPECT_EQ(expected_view_elem1->Str(), actual_view_elems[0]->Str());
EXPECT_EQ(expected_view_elem2->Str(), actual_view_elems[1]->Str());
view_request.static_video_views.clear();
cricket::ParseError parse_error;
EXPECT_TRUE(cricket::IsJingleViewRequest(action_elem.get()));
ASSERT_TRUE(cricket::ParseJingleViewRequest(
action_elem.get(), &view_request, &parse_error));
EXPECT_EQ(2U, view_request.static_video_views.size());
EXPECT_EQ(1234U, view_request.static_video_views[0].ssrc);
EXPECT_EQ(640, view_request.static_video_views[0].width);
EXPECT_EQ(480, view_request.static_video_views[0].height);
EXPECT_EQ(30, view_request.static_video_views[0].framerate);
EXPECT_EQ(2468U, view_request.static_video_views[1].ssrc);
}
// Test deserializing bad view XML.
TEST_F(MediaMessagesTest, ParseBadViewXml) {
talk_base::scoped_ptr<buzz::XmlElement> action_elem(
new buzz::XmlElement(QN_JINGLE));
buzz::XmlElement* view_elem =
buzz::XmlElement::ForStr(ViewVideoStaticVgaXml("not-an-ssrc"));
action_elem->AddElement(view_elem);
cricket::ViewRequest view_request;
cricket::ParseError parse_error;
ASSERT_FALSE(cricket::ParseJingleViewRequest(
action_elem.get(), &view_request, &parse_error));
}
// Test serializing/deserializing typical streams xml.
TEST_F(MediaMessagesTest, StreamsToFromXml) {
talk_base::scoped_ptr<buzz::XmlElement> expected_streams_elem(
buzz::XmlElement::ForStr(
StreamsXml(
StreamXml("nick1", "name1", "101", "102",
"semantics1", "type1", "display1"),
StreamXml("nick2", "name2", "201", "202",
"semantics2", "type2", "display2"))));
std::vector<cricket::StreamParams> expected_streams;
expected_streams.push_back(CreateStream("nick1", "name1", 101U, 102U,
"semantics1", "type1", "display1"));
expected_streams.push_back(CreateStream("nick2", "name2", 201U, 202U,
"semantics2", "type2", "display2"));
talk_base::scoped_ptr<buzz::XmlElement> actual_desc_elem(
new buzz::XmlElement(QN_JINGLE_RTP_CONTENT));
cricket::WriteJingleStreams(expected_streams, actual_desc_elem.get());
const buzz::XmlElement* actual_streams_elem =
actual_desc_elem->FirstNamed(QN_JINGLE_DRAFT_STREAMS);
ASSERT_TRUE(actual_streams_elem != NULL);
EXPECT_EQ(expected_streams_elem->Str(), actual_streams_elem->Str());
talk_base::scoped_ptr<buzz::XmlElement> expected_desc_elem(
new buzz::XmlElement(QN_JINGLE_RTP_CONTENT));
expected_desc_elem->AddElement(new buzz::XmlElement(
*expected_streams_elem));
std::vector<cricket::StreamParams> actual_streams;
cricket::ParseError parse_error;
EXPECT_TRUE(cricket::HasJingleStreams(expected_desc_elem.get()));
ASSERT_TRUE(cricket::ParseJingleStreams(
expected_desc_elem.get(), &actual_streams, &parse_error));
EXPECT_EQ(2U, actual_streams.size());
EXPECT_EQ(expected_streams[0], actual_streams[0]);
EXPECT_EQ(expected_streams[1], actual_streams[1]);
}
// Test deserializing bad streams xml.
TEST_F(MediaMessagesTest, StreamsFromBadXml) {
talk_base::scoped_ptr<buzz::XmlElement> streams_elem(
buzz::XmlElement::ForStr(
StreamsXml(
StreamXml("nick1", "name1", "101", "not-an-ssrc",
"semantics1", "type1", "display1"),
StreamXml("nick2", "name2", "202", "not-an-ssrc",
"semantics2", "type2", "display2"))));
talk_base::scoped_ptr<buzz::XmlElement> desc_elem(
new buzz::XmlElement(QN_JINGLE_RTP_CONTENT));
desc_elem->AddElement(new buzz::XmlElement(*streams_elem));
std::vector<cricket::StreamParams> actual_streams;
cricket::ParseError parse_error;
ASSERT_FALSE(cricket::ParseJingleStreams(
desc_elem.get(), &actual_streams, &parse_error));
}
} // namespace cricket