Files
pysim-local/tests/unittests/test_configurable_parameters.py
Neels Hofmeyr 346e2aeb01 add test_configurable_parameters.py
Change-Id: Ia55f0d11f8197ca15a948a83a34b3488acf1a0b4
2026-03-04 00:35:54 +01:00

259 lines
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Python
Executable File

#!/usr/bin/env python3
# (C) 2025 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
#
# Author: Neels Hofmeyr
#
# 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 io
import sys
import unittest
from importlib import resources
from osmocom.utils import hexstr
from pySim.esim.saip import ProfileElementSequence
import pySim.esim.saip.personalization as p13n
import smdpp_data.upp
import xo
update_expected_output = False
def valstr(val):
if isinstance(val, io.BytesIO):
val = val.getvalue()
if isinstance(val, bytearray):
val = bytes(val)
return f'{val!r}'
def valtypestr(val):
if isinstance(val, dict):
types = []
for v in val.values():
types.append(f'{type(v).__name__}')
val_type = '{' + ', '.join(types) + '}'
else:
val_type = f'{type(val).__name__}'
return f'{valstr(val)}:{val_type}'
class ConfigurableParameterTest(unittest.TestCase):
def test_parameters(self):
upp_fnames = (
'TS48v5_SAIP2.1A_NoBERTLV.der',
'TS48v5_SAIP2.3_BERTLV_SUCI.der',
'TS48v5_SAIP2.1B_NoBERTLV.der',
'TS48v5_SAIP2.3_NoBERTLV.der',
)
class Paramtest:
def __init__(self, param_cls, val, expect_val, expect_clean_val=None):
self.param_cls = param_cls
self.val = val
self.expect_clean_val = expect_clean_val
self.expect_val = expect_val
param_tests = [
Paramtest(param_cls=p13n.Imsi, val='123456',
expect_clean_val=str('123456'),
expect_val={'IMSI': hexstr('123456'),
'IMSI-ACC': '0040'}),
Paramtest(param_cls=p13n.Imsi, val=int(123456),
expect_val={'IMSI': hexstr('123456'),
'IMSI-ACC': '0040'}),
Paramtest(param_cls=p13n.Imsi, val='123456789012345',
expect_clean_val=str('123456789012345'),
expect_val={'IMSI': hexstr('123456789012345'),
'IMSI-ACC': '0020'}),
Paramtest(param_cls=p13n.Imsi, val=int(123456789012345),
expect_val={'IMSI': hexstr('123456789012345'),
'IMSI-ACC': '0020'}),
Paramtest(param_cls=p13n.Puk1,
val='12345678',
expect_clean_val=b'12345678',
expect_val='12345678'),
Paramtest(param_cls=p13n.Puk2,
val='12345678',
expect_clean_val=b'12345678',
expect_val='12345678'),
Paramtest(param_cls=p13n.Pin1,
val='1234',
expect_clean_val=b'1234\xff\xff\xff\xff',
expect_val='1234'),
Paramtest(param_cls=p13n.Pin1,
val='123456',
expect_clean_val=b'123456\xff\xff',
expect_val='123456'),
Paramtest(param_cls=p13n.Pin1,
val='12345678',
expect_clean_val=b'12345678',
expect_val='12345678'),
Paramtest(param_cls=p13n.Adm1,
val='1234',
expect_clean_val=b'1234\xff\xff\xff\xff',
expect_val='1234'),
Paramtest(param_cls=p13n.Adm1,
val='123456',
expect_clean_val=b'123456\xff\xff',
expect_val='123456'),
Paramtest(param_cls=p13n.Adm1,
val='12345678',
expect_clean_val=b'12345678',
expect_val='12345678'),
Paramtest(param_cls=p13n.AlgorithmID,
val='Milenage',
expect_clean_val=1,
expect_val='Milenage'),
Paramtest(param_cls=p13n.AlgorithmID,
val='TUAK',
expect_clean_val=2,
expect_val='TUAK'),
Paramtest(param_cls=p13n.AlgorithmID,
val='usim-test',
expect_clean_val=3,
expect_val='usim-test'),
Paramtest(param_cls=p13n.K,
val='01020304050607080910111213141516',
expect_clean_val=b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16',
expect_val='01020304050607080910111213141516'),
Paramtest(param_cls=p13n.K,
val=b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16',
expect_clean_val=b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16',
expect_val='01020304050607080910111213141516'),
Paramtest(param_cls=p13n.K,
val=bytearray(b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16'),
expect_clean_val=b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16',
expect_val='01020304050607080910111213141516'),
Paramtest(param_cls=p13n.Opc,
val='01020304050607080910111213141516',
expect_clean_val=b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16',
expect_val='01020304050607080910111213141516'),
Paramtest(param_cls=p13n.Opc,
val=b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16',
expect_clean_val=b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16',
expect_val='01020304050607080910111213141516'),
Paramtest(param_cls=p13n.Opc,
val=bytearray(b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16'),
expect_clean_val=b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16',
expect_val='01020304050607080910111213141516'),
]
# SdKey classes don't make sense yet, will come in Ic92ddea6e1fad8167ea75baf78ffc3eb419838c4
outputs = []
for upp_fname in upp_fnames:
test_idx = -1
try:
der = resources.read_binary(smdpp_data.upp, upp_fname)
for t in param_tests:
test_idx += 1
logloc = f'{upp_fname} {t.param_cls.__name__}(val={valtypestr(t.val)})'
param = None
try:
param = t.param_cls()
param.input_value = t.val
param.validate()
except ValueError as e:
raise ValueError(f'{logloc}: {e}') from e
clean_val = param.value
logloc = f'{logloc} clean_val={valtypestr(clean_val)}'
if t.expect_clean_val is not None and t.expect_clean_val != clean_val:
raise ValueError(f'{logloc}: expected'
f' expect_clean_val={valtypestr(t.expect_clean_val)}')
# on my laptop, deepcopy is about 30% slower than decoding the DER from scratch:
# pes = copy.deepcopy(orig_pes)
pes = ProfileElementSequence.from_der(der)
try:
param.apply(pes)
except ValueError as e:
raise ValueError(f'{logloc} apply_val(clean_val): {e}') from e
changed_der = pes.to_der()
pes2 = ProfileElementSequence.from_der(changed_der)
read_back_val = t.param_cls.get_value_from_pes(pes2)
# compose log string to show the precise type of dict values
if isinstance(read_back_val, dict):
types = set()
for v in read_back_val.values():
types.add(f'{type(v).__name__}')
read_back_val_type = '{' + ', '.join(types) + '}'
else:
read_back_val_type = f'{type(read_back_val).__name__}'
logloc = (f'{logloc} read_back_val={valtypestr(read_back_val)}')
if isinstance(read_back_val, dict) and not t.param_cls.get_name() in read_back_val.keys():
raise ValueError(f'{logloc}: expected to find name {t.param_cls.get_name()!r} in read_back_val')
expect_val = t.expect_val
if not isinstance(expect_val, dict):
expect_val = { t.param_cls.get_name(): expect_val }
if read_back_val != expect_val:
raise ValueError(f'{logloc}: expected {expect_val=!r}:{type(t.expect_val).__name__}')
ok = logloc.replace(' clean_val', '\n\tclean_val'
).replace(' read_back_val', '\n\tread_back_val'
).replace('=', '=\t'
)
output = f'\nok: {ok}'
outputs.append(output)
print(output)
except Exception as e:
raise RuntimeError(f'Error while testing UPP {upp_fname} {test_idx=}: {e}') from e
output = '\n'.join(outputs) + '\n'
xo_name = 'test_configurable_parameters'
if update_expected_output:
with resources.path(xo, xo_name) as xo_path:
with open(xo_path, 'w', encoding='utf-8') as f:
f.write(output)
else:
xo_str = resources.read_text(xo, xo_name)
if xo_str != output:
at = 0
while at < len(output):
if output[at] == xo_str[at]:
at += 1
continue
break
raise RuntimeError(f'output differs from expected output at position {at}: "{output[at:at+20]}" != "{xo_str[at:at+20]}"')
if __name__ == "__main__":
if '-u' in sys.argv:
update_expected_output = True
sys.argv.remove('-u')
unittest.main()