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|
from __future__ import annotations
import pytest
from pyupgrade._data import Settings
from pyupgrade._main import _fix_plugins
@pytest.mark.parametrize(
('s', 'min_version'),
(
pytest.param(
'from functools import lru_cache as lru_cache2\n\n'
'@lru_cache2()\n'
'def foo():\n'
' pass\n',
(3, 8),
id='not following as imports',
),
pytest.param(
'from functools import lru_cache\n\n'
'@lru_cache(max_size=1024)\n'
'def foo():\n'
' pass\n',
(3, 8),
id='not rewriting calls with args',
),
pytest.param(
'from functools2 import lru_cache\n\n'
'@lru_cache()\n'
'def foo():\n'
' pass\n',
(3, 8),
id='not following unknown import',
),
pytest.param(
'from functools import lru_cache\n\n'
'@lru_cache()\n'
'def foo():\n'
' pass\n',
(3,),
id='not rewriting below 3.8',
),
pytest.param(
'from .functools import lru_cache\n'
'@lru_cache()\n'
'def foo(): pass\n',
(3, 8),
id='relative imports',
),
),
)
def test_fix_no_arg_decorators_noop(s, min_version):
assert _fix_plugins(s, settings=Settings(min_version=min_version)) == s
@pytest.mark.parametrize(
('s', 'expected'),
(
pytest.param(
'from functools import lru_cache\n\n'
'@lru_cache()\n'
'def foo():\n'
' pass\n',
'from functools import lru_cache\n\n'
'@lru_cache\n'
'def foo():\n'
' pass\n',
id='call without attr',
),
pytest.param(
'import functools\n\n'
'@functools.lru_cache()\n'
'def foo():\n'
' pass\n',
'import functools\n\n'
'@functools.lru_cache\n'
'def foo():\n'
' pass\n',
id='call with attr',
),
),
)
def test_fix_no_arg_decorators(s, expected):
ret = _fix_plugins(s, settings=Settings(min_version=(3, 8)))
assert ret == expected
@pytest.mark.parametrize(
('s', 'min_version'),
(
pytest.param(
'from functools import lru_cache\n'
'@lru_cache(maxsize=None)\n'
'def foo(): pass\n',
(3, 9),
id='from imported',
),
pytest.param(
'from functools import lru_cache\n'
'@lru_cache(maxsize=1024)\n'
'def foo(): pass\n',
(3, 9),
id='unrelated parameter',
),
pytest.param(
'import functools\n\n'
'@functools.lru_cache(maxsize=None, typed=True)\n'
'def foo():\n'
' pass\n',
(3, 9),
id='typed=True',
),
pytest.param(
'import functools\n\n'
'@functools.lru_cache(maxsize=None, typed=False, foo=False)\n'
'def foo():\n'
' pass\n',
(3, 9),
id='invalid keyword',
),
),
)
def test_fix_maxsize_none_decorators_noop(s, min_version):
assert _fix_plugins(s, settings=Settings(min_version=min_version)) == s
@pytest.mark.parametrize(
('s', 'expected'),
(
pytest.param(
'import functools\n\n'
'@functools.lru_cache(maxsize=None)\n'
'def foo():\n'
' pass\n',
'import functools\n\n'
'@functools.cache\n'
'def foo():\n'
' pass\n',
id='call with attr',
),
pytest.param(
'import functools\n\n'
'@functools.lru_cache(maxsize=None, typed=False)\n'
'def foo():\n'
' pass\n',
'import functools\n\n'
'@functools.cache\n'
'def foo():\n'
' pass\n',
id='call with attr, maxsize=None then typed=False',
),
pytest.param(
'import functools\n\n'
'@functools.lru_cache(typed=False, maxsize=None)\n'
'def foo():\n'
' pass\n',
'import functools\n\n'
'@functools.cache\n'
'def foo():\n'
' pass\n',
id='call with attr, typed=False then maxsize=None',
),
),
)
def test_fix_maxsize_none_decorators(s, expected):
ret = _fix_plugins(s, settings=Settings(min_version=(3, 9)))
assert ret == expected
|
