mirror of https://gerrit.osmocom.org/pysim
124 lines
4.8 KiB
Python
Executable File
124 lines
4.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# (C) 2023 by Harald Welte <laforge@osmocom.org>
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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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import unittest
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import logging
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from pySim.utils import b2h, h2b, all_subclasses
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from pySim.tlv import *
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import pySim.iso7816_4
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import pySim.ts_102_221
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import pySim.ts_102_222
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import pySim.ts_31_102
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import pySim.ts_31_103
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import pySim.ts_51_011
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import pySim.sysmocom_sja2
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import pySim.gsm_r
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import pySim.cdma_ruim
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import pySim.global_platform
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if 'unittest.util' in __import__('sys').modules:
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# Show full diff in self.assertEqual.
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__import__('sys').modules['unittest.util']._MAX_LENGTH = 999999999
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def get_qualified_name(c):
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"""return the qualified (by module) name of a class."""
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return "%s.%s" % (c.__module__, c.__name__)
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class TLV_IE_Test(unittest.TestCase):
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maxDiff = None
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@classmethod
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def get_classes(cls):
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"""get list of TLV_IE sub-classes."""
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return all_subclasses(TLV_IE)
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@classmethod
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def setUpClass(cls):
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"""set-up method called once for this class by unittest framework"""
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cls.classes = cls.get_classes()
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def test_decode_tlv(self):
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"""Test the decoder for a TLV_IE. Requires the given TLV_IE subclass
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to have a '_test_decode' attribute, containing a list of tuples. Each tuple
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is a 2-tuple (hexstring, decoded_dict).
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"""
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for c in self.classes:
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name = get_qualified_name(c)
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if hasattr(c, '_test_decode'):
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for t in c._test_decode:
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with self.subTest(name, test_decode=t):
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inst = c()
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encoded = t[0]
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decoded = { camel_to_snake(c.__name__): t[1] }
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context = t[2] if len(t) == 3 else {}
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logging.debug("Testing decode of %s", name)
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inst.from_tlv(h2b(encoded), context=context)
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re_dec = inst.to_dict()
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self.assertEqual(decoded, re_dec)
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def test_encode_tlv(self):
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"""Test the encoder for a TLV_IE. Requires the given TLV_IE subclass
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to have a '_test_encode' attribute, containing a list of tuples. Each tuple
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is a 2-tuple (hexstring, decoded_dict).
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"""
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for c in self.classes:
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name = get_qualified_name(c)
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if hasattr(c, '_test_encode'):
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for t in c._test_encode:
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with self.subTest(name, test_encode=t):
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inst = c()
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encoded = t[0]
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decoded = { camel_to_snake(c.__name__): t[1] }
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context = t[2] if len(t) == 3 else {}
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logging.debug("Testing encode of %s", name)
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inst.from_dict(decoded)
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re_enc = b2h(inst.to_tlv(context))
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self.assertEqual(encoded.upper(), re_enc.upper())
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def test_de_encode_tlv(self):
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"""Test the decoder and encoder for a TLV_IE. Performs first a decoder
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test, and then re-encodes the decoded data, comparing the re-encoded data with the
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initial input data.
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Requires the given TLV_IE subclass to have a '_test_de_encode' attribute,
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containing a list of tuples. Each tuple is a 2-tuple (hexstring, decoded_dict).
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"""
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for c in self.classes:
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name = get_qualified_name(c)
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if hasattr(c, '_test_de_encode'):
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for t in c._test_de_encode:
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with self.subTest(name, test_de_encode=t):
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inst = c()
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encoded = t[0]
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decoded = { camel_to_snake(c.__name__): t[1] }
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context = t[2] if len(t) == 3 else {}
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logging.debug("Testing decode of %s", name)
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inst.from_tlv(h2b(encoded), context=context)
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re_dec = inst.to_dict()
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self.assertEqual(decoded, re_dec)
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logging.debug("Testing re-encode of %s", name)
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re_enc = b2h(inst.to_tlv(context=context))
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self.assertEqual(encoded.upper(), re_enc.upper())
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if __name__ == '__main__':
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logger = logging.getLogger()
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logger.setLevel(logging.DEBUG)
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unittest.main()
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