tests (units): tests for plugin XEP-0294:
fix 438
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tests/unit/test_plugin_xep_0294.py
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tests/unit/test_plugin_xep_0294.py
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#!/usr/bin/env python3
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# Libervia: an XMPP client
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# Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from twisted.words.xish import domish
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from sat.plugins.plugin_xep_0294 import NS_JINGLE_RTP_HDREXT, XEP_0294
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from sat.tools.xml_tools import parse
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class TestXEP0294:
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def test_extmap_attribute(self, host):
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"""Session level 'extmap' SDP attribute are set to application_data"""
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xep_0294 = XEP_0294(host)
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call_data = {}
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# "a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level"
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parts = ["1", "urn:ietf:params:rtp-hdrext:ssrc-audio-level"]
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# Call the method with application_data as None to make is a session level
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# attribute
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xep_0294._parse_sdp_a_trigger("extmap", parts, call_data, {}, "audio", None, {})
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# Call the method again with application_data set
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application_data = {}
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xep_0294._parse_sdp_a_trigger(
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"", [], call_data, {}, "audio", application_data, {}
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)
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# Assert data has been correctly transferred
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assert application_data == {
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"rtp-hdrext": {
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"1": {
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"id": "1",
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"uri": "urn:ietf:params:rtp-hdrext:ssrc-audio-level",
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"senders": "both",
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}
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}
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}
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def test_extmap_allow_mixed_attribute(self, host):
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"""Session level 'extmap-allow-mixed' SDP attribute are set to application_data"""
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xep_0294 = XEP_0294(host)
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call_data = {}
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# Call the method with application_data as None to make is a session level
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# attribute
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xep_0294._parse_sdp_a_trigger(
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"extmap-allow-mixed", [], call_data, {}, "audio", None, {}
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)
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# Call the method again with application_data set
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application_data = {}
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xep_0294._parse_sdp_a_trigger(
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"", [], call_data, {}, "audio", application_data, {}
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)
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# Assert value has been correctly transferred
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assert application_data == {"extmap-allow-mixed": True}
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def test_generate_sdp_content(self, host):
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"""SDP for 'extmap' and 'extmap-allow-mixed' attributes is correctly generated"""
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xep_0294 = XEP_0294(host)
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session = {}
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local = False
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idx = 0
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content_data = {}
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sdp_lines = []
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application_data = {}
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app_data_key = "rtp-hdrext"
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media_data = {
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"rtp-hdrext": {
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"1": {
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"id": "1",
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"uri": "urn:ietf:params:rtp-hdrext:ssrc-audio-level",
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"senders": "both",
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"parameters": {"param1": "value1", "param2": "value2"},
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},
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"2": {
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"id": "2",
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"uri": "urn:ietf:params:rtp-hdrext:time-offset",
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"senders": "initiator",
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},
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"3": {
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"id": "3",
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"uri": "urn:ietf:params:rtp-hdrext:toffset",
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"senders": "none",
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},
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},
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"extmap-allow-mixed": True,
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}
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media = "audio"
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xep_0294._generate_sdp_content_trigger(
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session,
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local,
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idx,
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content_data,
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sdp_lines,
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application_data,
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app_data_key,
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media_data,
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media,
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)
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assert sdp_lines == [
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"a=extmap:1/sendrecv urn:ietf:params:rtp-hdrext:ssrc-audio-level param1=value1 param2=value2",
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"a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:time-offset",
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"a=extmap:3/inactive urn:ietf:params:rtp-hdrext:toffset",
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"a=extmap-allow-mixed",
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]
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def test_parse_description(self, host):
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"""'rtp-hdrext' and 'extmap-allow-mixed' elements are correctly parsed"""
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xep_0294 = XEP_0294(host)
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media_data = {}
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desc_elt_str = """
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<description>
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<rtp-hdrext xmlns='urn:xmpp:jingle:apps:rtp:rtp-hdrext:0'
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id='1'
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uri='urn:ietf:params:rtp-hdrext:ssrc-audio-level'
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senders='both'>
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<parameter xmlns='urn:xmpp:jingle:apps:rtp:rtp-hdrext:0'
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name='vad'
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value='on'/>
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</rtp-hdrext>
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<rtp-hdrext xmlns='urn:xmpp:jingle:apps:rtp:rtp-hdrext:0'
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id='2'
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uri='urn:ietf:params:rtp-hdrext:toffset'
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senders='initiator'/>
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<extmap-allow-mixed xmlns='urn:xmpp:jingle:apps:rtp:rtp-hdrext:0'/>
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</description>
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"""
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desc_elt = parse(desc_elt_str)
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xep_0294._parse_description_trigger(desc_elt, media_data)
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assert media_data == {
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"rtp-hdrext": {
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"1": {
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"id": "1",
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"uri": "urn:ietf:params:rtp-hdrext:ssrc-audio-level",
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"senders": "both",
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"parameters": {"vad": "on"},
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},
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"2": {
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"id": "2",
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"uri": "urn:ietf:params:rtp-hdrext:toffset",
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"senders": "initiator",
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},
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},
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"extmap-allow-mixed": True,
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}
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def test_build_description(self, host):
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"""'rtp-hdrext' and 'extmap-allow-mixed' elements are correctly built"""
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xep_0294 = XEP_0294(host)
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desc_elt = domish.Element((None, "description"))
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media_data = {
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"rtp-hdrext": {
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"1": {
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"id": "1",
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"uri": "urn:ietf:params:rtp-hdrext:ssrc-audio-level",
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"senders": "both",
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"parameters": {"vad": "on"},
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},
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"2": {
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"id": "2",
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"uri": "urn:ietf:params:rtp-hdrext:toffset",
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"senders": "initiator",
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},
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},
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"extmap-allow-mixed": True,
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}
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xep_0294._build_description_trigger(desc_elt, media_data, {})
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rtp_hdrext_elts = list(desc_elt.elements(NS_JINGLE_RTP_HDREXT, "rtp-hdrext"))
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assert len(rtp_hdrext_elts) == 2
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rtp_hdrext_elt1, rtp_hdrext_elt2 = rtp_hdrext_elts
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assert rtp_hdrext_elt1["id"] == "1"
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assert rtp_hdrext_elt1["uri"] == "urn:ietf:params:rtp-hdrext:ssrc-audio-level"
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# both is default and should not be set
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assert "senders" not in rtp_hdrext_elt1.attributes
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param_elt1 = list(rtp_hdrext_elt1.elements(NS_JINGLE_RTP_HDREXT, "parameter"))[0]
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assert param_elt1["name"] == "vad"
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assert param_elt1["value"] == "on"
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assert rtp_hdrext_elt2["id"] == "2"
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assert rtp_hdrext_elt2["uri"] == "urn:ietf:params:rtp-hdrext:toffset"
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assert rtp_hdrext_elt2["senders"] == "initiator"
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extmap_allow_mixed_elts = list(
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desc_elt.elements(NS_JINGLE_RTP_HDREXT, "extmap-allow-mixed")
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)
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assert len(extmap_allow_mixed_elts) == 1
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