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## @file
# Tests for FMMT CLI exit status.
#
# Copyright (c) 2026, Zhaoqi Xu <lzy00419@outlook.com>. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
import os
import subprocess
import sys
import unittest
from pathlib import Path
_BASETOOLS = Path(__file__).resolve().parent.parent
_PYTHON_SRC = _BASETOOLS / 'Source' / 'Python'
_FMMT_DIR = _PYTHON_SRC / 'FMMT'
_FMMT_PY = _FMMT_DIR / 'FMMT.py'
def _fmmt_env():
env = os.environ.copy()
extra = os.pathsep.join((str(_PYTHON_SRC), str(_FMMT_DIR)))
env['PYTHONPATH'] = extra + os.pathsep + env.get('PYTHONPATH', '')
return env
class TestFmmtExit(unittest.TestCase):
def test_view_missing_file_exits_nonzero(self):
result = subprocess.run(
[sys.executable, str(_FMMT_PY), '-v', 'not-a-file'],
env=_fmmt_env(),
capture_output=True,
text=True,
)
self.assertNotEqual(
result.returncode,
0,
msg='FMMT -v not-a-file must fail: stdout=%r stderr=%r' % (
result.stdout, result.stderr),
)
combined = result.stdout + result.stderr
self.assertIn('Invalid inputfile', combined)
def test_help_exits_zero(self):
result = subprocess.run(
[sys.executable, str(_FMMT_PY), '-h'],
env=_fmmt_env(),
capture_output=True,
text=True,
)
self.assertEqual(result.returncode, 0)
if __name__ == '__main__':
unittest.main()
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