def test_catch_input_file_error(tmpdir):
tmpdir = str(tmpdir)
# check no error is raised:
system.catch_input_file_error(tmpdir)
no_exist_dir = os.path.join(tmpdir, "i_dont_exist")
with pytest.raises(CommandLineInputError):
system.catch_input_file_error(no_exist_dir)
def check_input_arg_existance(args):
"""
Does a simple check to ensure that input files/paths exist. Prevents a typo
from causing cellfinder to only run partway. Doesn't check for validity
etc, just existance.
:param args: Cellfinder input arguments
"""
check_list = [args.background_planes_path[0]]
check_list = check_list + args.signal_planes_paths
for path in check_list:
if path is not None:
system.catch_input_file_error(path)