test_functions.py 文件源码

python
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项目:pyta 作者: pyta-uoft 项目源码 文件源码
def test_user_defined_annotated_call_wrong_arguments_number():
    """ User tries to call an annotated function on the wrong number of arguments.
    """
    program = f'def add_3(num1: int, num2: int, num3: int) -> int:\n' \
              f'    return num1 + num2 + num3\n' \
              f'\n' \
              f'add_3()\n'
    try:
        module, inferer = cs._parse_text(program)
    except:
        raise SkipTest()
    call_node = list(module.nodes_of_class(astroid.Call))[0]
    expected_msg = f'In the Call node in line 4, there was an error in calling the function "add_3":\n' \
                   f'the function was expecting 3 arguments, but was given 0.'
    assert call_node.type_constraints.type.msg == expected_msg
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