Mercurial > libervia-backend

annotate tests/unit/test_plugin_xep_0293.py @ 4118:07370d2a9bde

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plugin XEP-0167: keep media order when starting a call: media content order is relevant when building Jingle contents/SDP notably for bundling. This patch fixes the previous behaviour of always using the same order by keeping the order of the data (i.e. order of original SDP offer). Previous behaviour could lead to call failure. rel 424
author Goffi <goffi@goffi.org>
date Tue, 03 Oct 2023 15:15:24 +0200
parents 4b842c1fb686
children
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fddd76dedc97 tests (units): tests for plugin XEP-0293:
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1 #!/usr/bin/env python3
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2
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3 # Libervia: an XMPP client
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4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 from twisted.words.xish import domish
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20
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21 from libervia.backend.plugins.plugin_xep_0167.constants import NS_JINGLE_RTP
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22 from libervia.backend.plugins.plugin_xep_0293 import NS_JINGLE_RTP_RTCP_FB, RTCP_FB_KEY, XEP_0293
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23 from libervia.backend.tools import xml_tools
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24
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25 class TestXEP0293:
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26
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27 def test_parse_sdp_rtcp_fb_general(self, host):
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28 """Parsing of a general RTCP feedback SDP line."""
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29 xep_0293 = XEP_0293(host)
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30
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31 application_data = {}
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32 transport_data = {}
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33
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34 # SDP line: a=rtcp-fb:* nack pli
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35 attribute = "rtcp-fb"
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36 parts = ["*", "nack", "pli"]
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37 xep_0293._parse_sdp_a_trigger(
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38 attribute=attribute,
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39 parts=parts,
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40 call_data={},
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41 metadata={},
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42 media_type="video",
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43 application_data=application_data,
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44 transport_data=transport_data,
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45 )
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46 assert application_data[RTCP_FB_KEY][0] == ("nack", "pli", {})
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47
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48 def test_parse_sdp_rtcp_fb_specific(self, host):
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49 """Parsing of a payload-specific RTCP feedback SDP line."""
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50 xep_0293 = XEP_0293(host)
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51
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52 application_data = {
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53 "payload_types": {96: {}}
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54 }
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55 transport_data = {}
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56
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57 # SDP line: a=rtcp-fb:96 nack
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58 attribute = "rtcp-fb"
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59 parts = ["96", "nack"]
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60 xep_0293._parse_sdp_a_trigger(
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61 attribute=attribute,
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62 parts=parts,
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63 call_data={},
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64 metadata={},
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65 media_type="video",
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66 application_data=application_data,
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67 transport_data=transport_data,
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68 )
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69 assert application_data["payload_types"][96][RTCP_FB_KEY][0] == ("nack", None, {})
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70
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71 def test_parse_sdp_rtcp_fb_trr_int_general(self, host):
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72 """Parsing of a general RTCP feedback with trr-int SDP line."""
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73 xep_0293 = XEP_0293(host)
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74
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75 application_data = {}
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76 transport_data = {}
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77
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78 # SDP line: a=rtcp-fb-trr-int:* 100
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79 attribute = "rtcp-fb-trr-int"
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80 parts = ["*", "100"]
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81 xep_0293._parse_sdp_a_trigger(
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82 attribute=attribute,
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83 parts=parts,
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84 call_data={},
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85 metadata={},
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86 media_type="video",
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87 application_data=application_data,
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88 transport_data=transport_data,
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89 )
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90 assert application_data["rtcp-fb-trr-int"] == 100
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91
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92 def test_parse_sdp_rtcp_fb_trr_int_specific(self, host):
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93 """Parsing of a payload-specific RTCP feedback with trr-int SDP line."""
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94 xep_0293 = XEP_0293(host)
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95
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96 application_data = {
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97 "payload_types": {96: {}}
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98 }
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99 transport_data = {}
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100
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101 # SDP line: a=rtcp-fb-trr-int:96 100
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102 attribute = "rtcp-fb-trr-int"
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103 parts = ["96", "100"]
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104 xep_0293._parse_sdp_a_trigger(
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105 attribute=attribute,
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106 parts=parts,
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107 call_data={},
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108 metadata={},
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109 media_type="video",
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110 application_data=application_data,
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111 transport_data=transport_data,
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112 )
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113 assert application_data["payload_types"][96]["rtcp-fb-trr-int"] == 100
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114
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115 def test_generate_sdp_session(self, host):
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116 """Generation of SDP lines for session data."""
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117 xep_0293 = XEP_0293(host)
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118 sdp_lines = []
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119 application_data = {RTCP_FB_KEY: [("nack", "pli", {})], "rtcp-fb-trr-int": 100}
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120
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121 xep_0293._generate_sdp_content_trigger(
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122 session={},
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123 local=True,
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124 content_name="test",
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125 content_data={},
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126 sdp_lines=sdp_lines,
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127 application_data=application_data,
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128 app_data_key="test",
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129 media_data={},
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130 media="video",
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131 )
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132
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133 assert sdp_lines[0] == "a=rtcp-fb:* nack pli"
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134 assert sdp_lines[1] == "a=rtcp-fb:* trr-int 100"
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135
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136 def test_generate_sdp_payload_type(self, host):
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137 """Generation of SDP lines for each payload type."""
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138 xep_0293 = XEP_0293(host)
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139 sdp_lines = []
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140 application_data = {}
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141 media_data = {
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142 "payload_types": {96: {RTCP_FB_KEY: [("nack", None, {})], "rtcp-fb-trr-int": 100}}
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143 }
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144
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145 xep_0293._generate_sdp_content_trigger(
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146 session={},
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147 local=True,
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148 content_name="test",
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149 content_data={},
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150 sdp_lines=sdp_lines,
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151 application_data=application_data,
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152 app_data_key="test",
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153 media_data=media_data,
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154 media="video",
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155 )
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156
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157 assert sdp_lines[0] == "a=rtcp-fb:96 nack"
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158 assert sdp_lines[1] == "a=rtcp-fb:96 trr-int 100"
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159
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160 def test_parse_description(self, host):
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161 """Parsing of <rtcp-fb> and <rtcp-fb-trr-int> elements from a description."""
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162 xep_0293 = XEP_0293(host)
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163
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164 desc_element = xml_tools.parse(
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165 f"""
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166 <description xmlns="urn:xmpp:jingle:apps:rtp:1" media="audio">
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167 <rtcp-fb xmlns="{NS_JINGLE_RTP_RTCP_FB}" type="nack" subtype="pli"/>
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168 <rtcp-fb-trr-int xmlns="{NS_JINGLE_RTP_RTCP_FB}" value="100"/>
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169 </description>
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170 """
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171 )
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172
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173 media_data = {}
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174 xep_0293._parse_description_trigger(desc_element, media_data)
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175
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176 assert media_data[RTCP_FB_KEY][0] == ("nack", "pli", {})
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177 assert media_data["rtcp_fb_trr_int"][0] == 100
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178
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179 def test_parse_description_payload_type(self, host):
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180 """Parsing of <rtcp-fb> and <rtcp-fb-trr-int> elements from a payload type."""
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181 xep_0293 = XEP_0293(host)
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182
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183 desc_element = xml_tools.parse(
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184 f"""
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185 <description xmlns="urn:xmpp:jingle:apps:rtp:1" media="audio">
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186 <payload-type id="96">
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187 <rtcp-fb xmlns="{NS_JINGLE_RTP_RTCP_FB}" type="nack" subtype="pli"/>
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188 <rtcp-fb-trr-int xmlns="{NS_JINGLE_RTP_RTCP_FB}" value="100"/>
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189 </payload-type>
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190 </description>
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191 """
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192 )
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193
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194 media_data = {}
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195 payload_type_elt = desc_element.firstChildElement()
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196 payload_type_data = {}
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197 xep_0293._parse_description_payload_type_trigger(
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198 desc_element, media_data, payload_type_elt, payload_type_data
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199 )
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200
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201 assert payload_type_data[RTCP_FB_KEY][0] == ("nack", "pli", {})
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202 assert payload_type_data["rtcp_fb_trr_int"][0] == 100
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203
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204 def test_build_rtcp_fb_elements(self, host):
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205 """Building the <rtcp-fb> and <rtcp-fb-trr-int> elements."""
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206 xep_0293 = XEP_0293(host)
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207 data = {
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208 RTCP_FB_KEY: [("nack", "pli", {})],
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209 "rtcp-fb-trr-int": 100
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210 }
fddd76dedc97 tests (units): tests for plugin XEP-0293:
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211
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212 # Test _build_description_trigger
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213 desc_elt = domish.Element((NS_JINGLE_RTP, "description"))
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214 xep_0293._build_description_trigger(desc_elt, data, {})
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215
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216 rtcp_fb_elts = list(desc_elt.elements(NS_JINGLE_RTP_RTCP_FB, "rtcp-fb"))
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217 assert len(rtcp_fb_elts) == 1
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218 rtcp_fb_elt = rtcp_fb_elts[0]
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219 assert rtcp_fb_elt["type"] == "nack"
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220 assert rtcp_fb_elt["subtype"] == "pli"
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221
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222 rtcp_fb_trr_int_elts = list(desc_elt.elements(NS_JINGLE_RTP_RTCP_FB, "rtcp-fb-trr-int"))
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diff changeset
223 assert len(rtcp_fb_trr_int_elts) == 1
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diff changeset
224 rtcp_fb_trr_int_elt = rtcp_fb_trr_int_elts[0]
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225 assert int(rtcp_fb_trr_int_elt["value"]) == 100
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226
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227 # Test _build_description_payload_type_trigger
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228 desc_elt = domish.Element((NS_JINGLE_RTP, "description"))
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diff changeset
229 payload_type_elt = desc_elt.addElement((NS_JINGLE_RTP, "payload-type"))
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diff changeset
230 xep_0293._build_description_payload_type_trigger(desc_elt, {}, data, payload_type_elt)
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diff changeset
231
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diff changeset
232 rtcp_fb_elts = list(payload_type_elt.elements(NS_JINGLE_RTP_RTCP_FB, "rtcp-fb"))
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233 assert len(rtcp_fb_elts) == 1
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234 rtcp_fb_elt = rtcp_fb_elts[0]
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diff changeset
235 assert rtcp_fb_elt["type"] == "nack"
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diff changeset
236 assert rtcp_fb_elt["subtype"] == "pli"
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diff changeset
237
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diff changeset
238 rtcp_fb_trr_int_elts = list(payload_type_elt.elements(NS_JINGLE_RTP_RTCP_FB, "rtcp-fb-trr-int"))
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diff changeset
239 assert len(rtcp_fb_trr_int_elts) == 1
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diff changeset
240 rtcp_fb_trr_int_elt = rtcp_fb_trr_int_elts[0]
fddd76dedc97 tests (units): tests for plugin XEP-0293:
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diff changeset
241 assert int(rtcp_fb_trr_int_elt["value"]) == 100