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#!/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()
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