def test_extract_metadata(self): # mimic the result of argparse's parse_args() method class Arguments: def __init__(self, metadata=[]): self.metadata = metadata inputs = [ ([], {}), (["key=value"], {"key": "value"}), (["key"], {"key": None}), (["k1=v1", "k2=v2"], {"k1": "v1", "k2": "v2"}), (["k1=v1", "k2"], {"k1": "v1", "k2": None}), (["k1", "k2=v2"], {"k1": None, "k2": "v2"}) ] for input in inputs: args = Arguments(metadata=input[0]) self.assertEquals(shell_v1._extract_metadata(args), input[1])