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22 lines
813 B
Python
22 lines
813 B
Python
import pytest
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@pytest.mark.parametrize(
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'code, expected_params', [
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('def f(x: 1, y): ...\nf', [None, None]),
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('def f(x: int): ...\nf', ['instance int']),
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('from typing import List\ndef f(x: List[int]): ...\nf', ['instance list']),
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('from typing import Tuple\ndef f(x: Tuple[int]): ...\nf', ['Tuple: _SpecialForm = ...']),
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('x=str\ndef f(p: x): ...\nx=int\nf', ['instance int']),
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]
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)
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def test_param_annotation(Script, code, expected_params):
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func, = Script(code).goto_assignments()
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sig, = func.get_signatures()
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for p, expected in zip(sig.params, expected_params):
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if expected is None:
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assert not p.infer_annotation()
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else:
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annotation, = p.infer_annotation()
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assert annotation.description == expected
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