def _roundtrip(args):
if platform.system() != 'Windows':
return
joined = windows_join_command_line(args)
assert isinstance(joined, str)
split = windows_split_command_line(joined)
assert isinstance(split, list)
for s in split:
assert isinstance(s, str)
assert split == args
def _append_extra_args_to_command_line(command, extra_args):
if extra_args is None:
return command
else:
if _is_windows(): # pragma: no cover
from anaconda_project.internal.windows_cmdline import (windows_split_command_line,
windows_join_command_line)
args = windows_split_command_line(command)
return windows_join_command_line(args + extra_args)
else:
new_command = command
for arg in extra_args:
new_command = new_command + " " + quote(arg)
return new_command
def test_cannot_join_first_arg_with_quote_and_space():
with pytest.raises(WindowsCommandLineException) as excinfo:
windows_join_command_line(['foo"bar baz'])
assert 'Windows does not allow the first arg to have both quotes and spaces' in str(
excinfo.value)
def test_cannot_join_first_arg_starting_with_quote():
with pytest.raises(WindowsCommandLineException) as excinfo:
windows_join_command_line(['"foo'])
assert 'Windows does not allow the first arg to start with a quote' in str(
excinfo.value)
def test_empty_args():
with pytest.raises(WindowsCommandLineException) as excinfo:
windows_join_command_line([])
assert "Windows has no way to encode an empty arg list as a command line" in str(
excinfo.value)
