wehub-resource-sync
45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
from pathlib import Path
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from clint.config import Config
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from clint.index import SymbolIndex
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from clint.linter import Position, Range, lint_file
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from clint.rules import IsinstanceUnionSyntax
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def test_isinstance_union_syntax(index: SymbolIndex) -> None:
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code = """
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# Bad - basic union syntax
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isinstance(obj, str | int)
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isinstance(value, int | str | float)
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# Bad - parenthesized union in tuple
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isinstance(x, ((str | int),))
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# Good - tuple syntax (recommended)
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isinstance(obj, (str, int))
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isinstance(value, (int, str, float))
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# Good - single type
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isinstance(obj, str)
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isinstance(obj, int)
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# Good - Union type annotation (different syntax)
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isinstance(obj, Union[str, int])
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# Good - other functions with union syntax
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other_func(obj, str | int)
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some_call(x | y)
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# Good - invalid isinstance calls, not our concern
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isinstance()
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isinstance(obj)
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"""
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config = Config(select={IsinstanceUnionSyntax.name})
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results = lint_file(Path("test.py"), code, config, index)
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assert all(isinstance(r.rule, IsinstanceUnionSyntax) for r in results)
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assert [r.range for r in results] == [
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Range(Position(2, 0)),
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Range(Position(3, 0)),
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Range(Position(6, 0)),
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]
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