Function test_alias_args_error

tests/test_alias.py:35–42

Error expanding with wrong number of arguments

()

def test_alias_args_error():
    """Error expanding with wrong number of arguments"""
    _ip.alias_manager.define_alias("parts", "echo first %s second %s")
    # capture stderr:
    with capture_output() as cap:
        _ip.run_cell("parts 1")

    assert cap.stderr.split(":")[0] == "UsageError"


def test_alias_args_commented():