neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/pysim/+/40828?usp=email )

Change subject: add test_param_src.py ......................................................................

add test_param_src.py

Change-Id: I03087b84030fddae98b965e0075d44e04ec6ba5c --- A tests/unittests/test_param_src.py A tests/unittests/xo/test_param_src 2 files changed, 225 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/28/40828/1

diff --git a/tests/unittests/test_param_src.py b/tests/unittests/test_param_src.py new file mode 100755 index 0000000..b6818c1 --- /dev/null +++ b/tests/unittests/test_param_src.py @@ -0,0 +1,216 @@ +#!/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 sys +import math +from importlib import resources +import unittest +from pySim.esim.saip import param_source + +import xo +update_expected_output = False + +class D: + mandatory = set() + optional = set() + + def __init__(self, **kwargs): + if (set(kwargs.keys()) - set(self.optional)) != set(self.mandatory): + raise RuntimeError(f'{self.__class__.__name__}.__init__():' + f' {set(kwargs.keys())=!r} - {self.optional=!r} != {self.mandatory=!r}') + for k, v in kwargs.items(): + setattr(self, k, v) + for k in self.optional: + if not hasattr(self, k): + setattr(self, k, None) + +decimals = '0123456789' +hexadecimals = '0123456789abcdefABCDEF' + +class FakeRandom: + vals = b'\xab\xcfm\xf0\x98J_\xcf\x96\x87fp5l\xe7f\xd1\xd6\x97\xc1\xf9]\x8c\x86+\xdb\t^ke\xc1r' + i = 0 + + @classmethod + def next(cls): + cls.i = (cls.i + 1) % len(cls.vals) + return cls.vals[cls.i] + + @staticmethod + def randint(a, b): + d = b - a + n_bytes = math.ceil(math.log(d, 2)) + r = int.from_bytes( bytes(FakeRandom.next() for i in range(n_bytes)) ) + return a + (r % (b - a)) + + @staticmethod + def randbytes(n): + return bytes(FakeRandom.next() for i in range(n)) + + +class ParamSourceTest(unittest.TestCase): + + def test_param_source(self): + + class ParamSourceTest(D): + mandatory = ( + 'param_source', + 'n', + 'expect', + ) + optional = ( + 'expect_arg', + 'csv_rows', + ) + + def expect_const(t, vals): + return tuple(t.expect_arg) == tuple(vals) + + def expect_random(t, vals): + chars = t.expect_arg.get('digits') + repetitions = (t.n - len(set(vals))) + if repetitions: + raise RuntimeError(f'expect_random: there are {repetitions} repetitions in the returned values: {vals}') + for val_i in range(len(vals)): + v = vals[val_i] + val_minlen = t.expect_arg.get('val_minlen') + val_maxlen = t.expect_arg.get('val_maxlen') + if len(v) < val_minlen or len(v) > val_maxlen: + raise RuntimeError(f'expect_random: invalid length {len(v)} for value [{val_i}]: {v!r}, expecting' + f' {val_minlen}..{val_maxlen}') + + if chars is not None and not all(c in chars for c in v): + raise RuntimeError(f'expect_random: invalid char in value [{val_i}]: {v!r}') + return True + + param_source_tests = [ + ParamSourceTest(param_source=param_source.ConstantSource.from_str('123'), + n=3, + expect=expect_const, + expect_arg=('123', '123', '123') + ), + ParamSourceTest(param_source=param_source.RandomDigitSource.from_str('12345'), + n=3, + expect=expect_random, + expect_arg={'digits': decimals, + 'val_minlen': 5, + 'val_maxlen': 5, + }, + ), + ParamSourceTest(param_source=param_source.RandomDigitSource.from_str('1..999'), + n=10, + expect=expect_random, + expect_arg={'digits': decimals, + 'val_minlen': 1, + 'val_maxlen': 3, + }, + ), + ParamSourceTest(param_source=param_source.RandomDigitSource.from_str('001..999'), + n=10, + expect=expect_random, + expect_arg={'digits': decimals, + 'val_minlen': 3, + 'val_maxlen': 3, + }, + ), + ParamSourceTest(param_source=param_source.RandomHexDigitSource.from_str('12345678'), + n=3, + expect=expect_random, + expect_arg={'digits': hexadecimals, + 'val_minlen': 8, + 'val_maxlen': 8, + }, + ), + ParamSourceTest(param_source=param_source.RandomHexDigitSource.from_str('0*8'), + n=3, + expect=expect_random, + expect_arg={'digits': hexadecimals, + 'val_minlen': 8, + 'val_maxlen': 8, + }, + ), + ParamSourceTest(param_source=param_source.RandomHexDigitSource.from_str('00*4'), + n=3, + expect=expect_random, + expect_arg={'digits': hexadecimals, + 'val_minlen': 8, + 'val_maxlen': 8, + }, + ), + ParamSourceTest(param_source=param_source.IncDigitSource.from_str('10001'), + n=3, + expect=expect_const, + expect_arg=('10001', '10002', '10003') + ), + ParamSourceTest(param_source=param_source.CsvSource('column_name'), + n=3, + expect=expect_const, + expect_arg=('first val', 'second val', 'third val'), + csv_rows=( + {'column_name': 'first val',}, + {'column_name': 'second val',}, + {'column_name': 'third val',}, + ) + ), + ] + + outputs = [] + + for t in param_source_tests: + try: + if hasattr(t.param_source, 'random_impl'): + t.param_source.random_impl = FakeRandom + + vals = [] + for i in range(t.n): + csv_row = None + if t.csv_rows is not None: + csv_row = t.csv_rows[i] + vals.append( t.param_source.get_next(csv_row=csv_row) ) + if not t.expect(t, vals): + raise RuntimeError(f'invalid values returned: returned {vals}') + output = f'ok: {t.param_source.__class__.__name__} {vals=!r}' + outputs.append(output) + print(output) + except RuntimeError as e: + raise RuntimeError(f'{t.param_source.__class__.__name__} {t.n=} {t.expect.__name__}({t.expect_arg!r}): {e}') from e + + output = '\n'.join(outputs) + '\n' + xo_name = 'test_param_src' + 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}: {xo_str[at:at+128]!r}') + +if __name__ == "__main__": + if '-u' in sys.argv: + update_expected_output = True + sys.argv.remove('-u') + unittest.main() diff --git a/tests/unittests/xo/test_param_src b/tests/unittests/xo/test_param_src new file mode 100644 index 0000000..d4a947c --- /dev/null +++ b/tests/unittests/xo/test_param_src @@ -0,0 +1,9 @@ +ok: ConstantSource vals=['123', '123', '123'] +ok: RandomDigitSource vals=['13987', '49298', '55670'] +ok: RandomDigitSource vals=['650', '580', '49', '885', '497', '195', '320', '137', '245', '663'] +ok: RandomDigitSource vals=['638', '025', '232', '779', '826', '972', '650', '580', '049', '885'] +ok: RandomHexDigitSource vals=['6b65c172', 'abcf6df0', '984a5fcf'] +ok: RandomHexDigitSource vals=['96876670', '356ce766', 'd1d697c1'] +ok: RandomHexDigitSource vals=['f95d8c86', '2bdb095e', '6b65c172'] +ok: IncDigitSource vals=['10001', '10002', '10003'] +ok: CsvSource vals=['first val', 'second val', 'third val']