Files
2026-07-13 13:22:34 +08:00

61 lines
1.6 KiB
Python

from pathlib import Path
from clint.config import Config
from clint.index import SymbolIndex
from clint.linter import Position, Range, lint_file
from clint.rules import ImplicitOptional
def test_implicit_optional(index: SymbolIndex) -> None:
code = """
from typing import Optional
# Bad
bad: int = None
class Bad:
x: str = None
# Good
good: Optional[int] = None
class Good:
x: Optional[str] = None
"""
config = Config(select={ImplicitOptional.name})
results = lint_file(Path("test.py"), code, config, index)
assert len(results) == 2
assert all(isinstance(r.rule, ImplicitOptional) for r in results)
assert results[0].range == Range(Position(4, 5))
assert results[1].range == Range(Position(6, 7))
def test_implicit_optional_stringified(index: SymbolIndex) -> None:
code = """
from typing import Optional
# Bad - stringified without Optional or None union
bad1: "int" = None
bad2: "str" = None
class Bad:
x: "int" = None
# Good - stringified with Optional
good1: "Optional[int]" = None
good2: "Optional[str]" = None
class Good1:
x: "Optional[str]" = None
# Good - stringified with | None
good3: "int | None" = None
good4: "str | None" = None
good5: "int|None" = None
class Good2:
x: "SomeClass | None" = None
"""
config = Config(select={ImplicitOptional.name})
results = lint_file(Path("test.py"), code, config, index)
assert len(results) == 3
assert all(isinstance(r.rule, ImplicitOptional) for r in results)
assert results[0].range == Range(Position(4, 6)) # bad1
assert results[1].range == Range(Position(5, 6)) # bad2
assert results[2].range == Range(Position(7, 7)) # Bad.x