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import pytest
import subprocess
import json
import sys
from numpy.distutils import _shell_utils
from numpy.testing import IS_WASM
argv_cases = [
[r'exe'],
[r'path/exe'],
[r'path\exe'],
[r'\\server\path\exe'],
[r'path to/exe'],
[r'path to\exe'],
[r'exe', '--flag'],
[r'path/exe', '--flag'],
[r'path\exe', '--flag'],
[r'path to/exe', '--flag'],
[r'path to\exe', '--flag'],
# flags containing literal quotes in their name
[r'path to/exe', '--flag-"quoted"'],
[r'path to\exe', '--flag-"quoted"'],
[r'path to/exe', '"--flag-quoted"'],
[r'path to\exe', '"--flag-quoted"'],
]
@pytest.fixture(params=[
_shell_utils.WindowsParser,
_shell_utils.PosixParser
])
def Parser(request):
return request.param
@pytest.fixture
def runner(Parser):
if Parser != _shell_utils.NativeParser:
pytest.skip('Unable to run with non-native parser')
if Parser == _shell_utils.WindowsParser:
return lambda cmd: subprocess.check_output(cmd)
elif Parser == _shell_utils.PosixParser:
# posix has no non-shell string parsing
return lambda cmd: subprocess.check_output(cmd, shell=True)
else:
raise NotImplementedError
@pytest.mark.skipif(IS_WASM, reason="Cannot start subprocess")
@pytest.mark.parametrize('argv', argv_cases)
def test_join_matches_subprocess(Parser, runner, argv):
"""
Test that join produces strings understood by subprocess
"""
# invoke python to return its arguments as json
cmd = [
sys.executable, '-c',
'import json, sys; print(json.dumps(sys.argv[1:]))'
]
joined = Parser.join(cmd + argv)
json_out = runner(joined).decode()
assert json.loads(json_out) == argv
@pytest.mark.skipif(IS_WASM, reason="Cannot start subprocess")
@pytest.mark.parametrize('argv', argv_cases)
def test_roundtrip(Parser, argv):
"""
Test that split is the inverse operation of join
"""
try:
joined = Parser.join(argv)
assert argv == Parser.split(joined)
except NotImplementedError:
pytest.skip("Not implemented")
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