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https://gitea.osmocom.org/sim-card/pysim.git
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Eric Wild
6b40fe8546
TS 102 223 8.105 codes each supported technology in two bytes:
- the technology from 8.61
- state byte, b1 0 disabled/1 enabled
- b2-b8 RFU
Currently declared as FlagsEnum(Int8ub, enabled=0). kw value is used as
bitmask, so currently:
build {'enabled': True} -> b4 02 08 00 disabled
build {'enabled': False} -> b4 02 08 00 disabled
but parsed 08 00 / 08 01 / 08 ff -> all {'enabled': True}
Use the bit the spec names + tests because well this is so easy that we
don't need tests is apparently not the right approach here..
Change-Id: I4dd16182eb06c99265aabab5d889967b890f6bf2
65 lines
2.4 KiB
Python
65 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""Tests for the CAT (Card Application Toolkit) COMPREHENSION-TLV data objects"""
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# (C) 2026 by sysmocom - s.f.m.c. GmbH
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# All Rights Reserved
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#
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# Author: Eric Wild <ewild@sysmocom.de>
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#
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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 General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# IEs not properly coverd by test_tlvs.py
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import unittest
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from osmocom.utils import b2h, h2b
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from pySim.cat import SupportedRadioAccessTechnologies
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class SupportedRadioAccessTechnologies_Test(unittest.TestCase):
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"""TS 102 223 8.105"""
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def test_encode_technology_enabled(self):
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"""The flag used to have a bitmask of 0 so enabled -> 00 (that is disabled..)"""
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ie = SupportedRadioAccessTechnologies(
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decoded=[{'technology': 'eutran', 'state': {'enabled': True}}])
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self.assertEqual(b2h(ie.to_tlv()), 'b4020801')
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def test_encode_technology_disabled(self):
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ie = SupportedRadioAccessTechnologies(
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decoded=[{'technology': 'eutran', 'state': {'enabled': False}}])
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self.assertEqual(b2h(ie.to_tlv()), 'b4020800')
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def test_decode_technology(self):
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"""old 0 bitmask = all enabled, no way to disable"""
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for encoded, enabled in [('b4020800', False), ('b4020801', True)]:
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with self.subTest(encoded=encoded):
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ie = SupportedRadioAccessTechnologies()
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ie.from_tlv(h2b(encoded))
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self.assertEqual(ie.decoded[0]['technology'], 'eutran')
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self.assertEqual(ie.decoded[0]['state']['enabled'], enabled)
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def test_decode_technology_multiple(self):
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ie = SupportedRadioAccessTechnologies()
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ie.from_tlv(h2b('b40408010000'))
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self.assertEqual([(e['technology'], e['state']['enabled']) for e in ie.decoded],
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[('eutran', True), ('gsm', False)])
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if __name__ == "__main__":
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unittest.main()
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