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super_test.py
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super_test.py
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import pytest
from pyupgrade import _fix_py3_plus
@pytest.mark.parametrize(
's',
(
# syntax error
'x(',
'class C(Base):\n'
' def f(self):\n'
' super().f()\n',
# super class doesn't match class name
'class C(Base):\n'
' def f(self):\n'
' super(Base, self).f()\n',
# super outside of a class (technically legal!)
'def f(self):\n'
' super(C, self).f()\n',
# super used in a comprehension
'class C(Base):\n'
' def f(self):\n'
' return [super(C, self).f() for _ in ()]\n',
'class C(Base):\n'
' def f(self):\n'
' return {super(C, self).f() for _ in ()}\n',
'class C(Base):\n'
' def f(self):\n'
' return (super(C, self).f() for _ in ())\n',
'class C(Base):\n'
' def f(self):\n'
' return {True: super(C, self).f() for _ in ()}\n',
# nested comprehension
'class C(Base):\n'
' def f(self):\n'
' return [\n'
' (\n'
' [_ for _ in ()],\n'
' super(C, self).f(),\n'
' )\n'
' for _ in ()'
' ]\n',
# super in a closure
'class C(Base):\n'
' def f(self):\n'
' def g():\n'
' super(C, self).f()\n'
' g()\n',
'class C(Base):\n'
' def f(self):\n'
' g = lambda: super(C, self).f()\n'
' g()\n',
),
)
def test_fix_super_noop(s):
assert _fix_py3_plus(s, (3,)) == s
@pytest.mark.parametrize(
('s', 'expected'),
(
(
'class C(Base):\n'
' def f(self):\n'
' super(C, self).f()\n',
'class C(Base):\n'
' def f(self):\n'
' super().f()\n',
),
(
'class C(Base):\n'
' def f(self):\n'
' super (C, self).f()\n',
'class C(Base):\n'
' def f(self):\n'
' super ().f()\n',
),
(
'class Outer:\n'
' class C(Base):\n'
' def f(self):\n'
' super (C, self).f()\n',
'class Outer:\n'
' class C(Base):\n'
' def f(self):\n'
' super ().f()\n',
),
(
'class C(Base):\n'
' f = lambda self: super(C, self).f()\n',
'class C(Base):\n'
' f = lambda self: super().f()\n',
),
(
'class C(Base):\n'
' @classmethod\n'
' def f(cls):\n'
' super(C, cls).f()\n',
'class C(Base):\n'
' @classmethod\n'
' def f(cls):\n'
' super().f()\n',
),
pytest.param(
'class C:\n'
' async def foo(self):\n'
' super(C, self).foo()\n',
'class C:\n'
' async def foo(self):\n'
' super().foo()\n',
id='async def super',
),
),
)
def test_fix_super(s, expected):
assert _fix_py3_plus(s, (3,)) == expected
@pytest.mark.parametrize(
's',
(
pytest.param(
'class C(B):\n'
' def f(self):\n'
' B.f(notself)\n',
id='old style super, first argument is not first function arg',
),
pytest.param(
'class C(B1, B2):\n'
' def f(self):\n'
' B1.f(self)\n',
# TODO: is this safe to rewrite? I don't think so
id='old-style super, multiple inheritance first class',
),
pytest.param(
'class C(B1, B2):\n'
' def f(self):\n'
' B2.f(self)\n',
# TODO: is this safe to rewrite? I don't think so
id='old-style super, multiple inheritance not-first class',
),
pytest.param(
'class C(Base):\n'
' def f(self):\n'
' return [Base.f(self) for _ in ()]\n',
id='super in comprehension',
),
pytest.param(
'class C(Base):\n'
' def f(self):\n'
' def g():\n'
' Base.f(self)\n'
' g()\n',
id='super in nested functions',
),
pytest.param(
'class C(not_simple()):\n'
' def f(self):\n'
' not_simple().f(self)\n',
id='not a simple base',
),
pytest.param(
'class C(a().b):\n'
' def f(self):\n'
' a().b.f(self)\n',
id='non simple attribute base',
),
),
)
def test_old_style_class_super_noop(s):
assert _fix_py3_plus(s, (3,)) == s
@pytest.mark.parametrize(
('s', 'expected'),
(
(
'class C(B):\n'
' def f(self):\n'
' B.f(self)\n'
' B.f(self, arg, arg)\n',
'class C(B):\n'
' def f(self):\n'
' super().f()\n'
' super().f(arg, arg)\n',
),
),
)
def test_old_style_class_super(s, expected):
assert _fix_py3_plus(s, (3,)) == expected