| #!/usr/bin/env python3 |
| |
| # (C) 2023 by Harald Welte <laforge@osmocom.org> |
| # |
| # This program is free software: you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation, either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| import unittest |
| import logging |
| |
| from pySim.utils import b2h, h2b, all_subclasses |
| from pySim.tlv import * |
| |
| import pySim.iso7816_4 |
| import pySim.ts_102_221 |
| import pySim.ts_102_222 |
| import pySim.ts_31_102 |
| import pySim.ts_31_103 |
| import pySim.ts_51_011 |
| import pySim.sysmocom_sja2 |
| import pySim.gsm_r |
| import pySim.cdma_ruim |
| import pySim.global_platform |
| |
| if 'unittest.util' in __import__('sys').modules: |
| # Show full diff in self.assertEqual. |
| __import__('sys').modules['unittest.util']._MAX_LENGTH = 999999999 |
| |
| def get_qualified_name(c): |
| """return the qualified (by module) name of a class.""" |
| return "%s.%s" % (c.__module__, c.__name__) |
| |
| class TLV_IE_Test(unittest.TestCase): |
| maxDiff = None |
| |
| @classmethod |
| def get_classes(cls): |
| """get list of TLV_IE sub-classes.""" |
| return all_subclasses(TLV_IE) |
| |
| @classmethod |
| def setUpClass(cls): |
| """set-up method called once for this class by unittest framework""" |
| cls.classes = cls.get_classes() |
| |
| def test_decode_tlv(self): |
| """Test the decoder for a TLV_IE. Requires the given TLV_IE subclass |
| to have a '_test_decode' attribute, containing a list of tuples. Each tuple |
| is a 2-tuple (hexstring, decoded_dict). |
| """ |
| for c in self.classes: |
| name = get_qualified_name(c) |
| if hasattr(c, '_test_decode'): |
| for t in c._test_decode: |
| with self.subTest(name, test_decode=t): |
| inst = c() |
| encoded = t[0] |
| decoded = { camel_to_snake(c.__name__): t[1] } |
| context = t[2] if len(t) == 3 else {} |
| logging.debug("Testing decode of %s", name) |
| inst.from_tlv(h2b(encoded), context=context) |
| re_dec = inst.to_dict() |
| self.assertEqual(decoded, re_dec) |
| |
| def test_encode_tlv(self): |
| """Test the encoder for a TLV_IE. Requires the given TLV_IE subclass |
| to have a '_test_encode' attribute, containing a list of tuples. Each tuple |
| is a 2-tuple (hexstring, decoded_dict). |
| """ |
| for c in self.classes: |
| name = get_qualified_name(c) |
| if hasattr(c, '_test_encode'): |
| for t in c._test_encode: |
| with self.subTest(name, test_encode=t): |
| inst = c() |
| encoded = t[0] |
| decoded = { camel_to_snake(c.__name__): t[1] } |
| context = t[2] if len(t) == 3 else {} |
| logging.debug("Testing encode of %s", name) |
| inst.from_dict(decoded) |
| re_enc = b2h(inst.to_tlv(context)) |
| self.assertEqual(encoded.upper(), re_enc.upper()) |
| |
| def test_de_encode_tlv(self): |
| """Test the decoder and encoder for a TLV_IE. Performs first a decoder |
| test, and then re-encodes the decoded data, comparing the re-encoded data with the |
| initial input data. |
| |
| Requires the given TLV_IE subclass to have a '_test_de_encode' attribute, |
| containing a list of tuples. Each tuple is a 2-tuple (hexstring, decoded_dict). |
| """ |
| for c in self.classes: |
| name = get_qualified_name(c) |
| if hasattr(c, '_test_de_encode'): |
| for t in c._test_de_encode: |
| with self.subTest(name, test_de_encode=t): |
| inst = c() |
| encoded = t[0] |
| decoded = { camel_to_snake(c.__name__): t[1] } |
| context = t[2] if len(t) == 3 else {} |
| logging.debug("Testing decode of %s", name) |
| inst.from_tlv(h2b(encoded), context=context) |
| re_dec = inst.to_dict() |
| self.assertEqual(decoded, re_dec) |
| logging.debug("Testing re-encode of %s", name) |
| re_enc = b2h(inst.to_tlv(context=context)) |
| self.assertEqual(encoded.upper(), re_enc.upper()) |
| |
| |
| if __name__ == '__main__': |
| logger = logging.getLogger() |
| logger.setLevel(logging.DEBUG) |
| unittest.main() |