mirror of https://github.com/celery/kombu.git
52 lines
1.0 KiB
Python
52 lines
1.0 KiB
Python
from kombu.utils.objects import cached_property
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class test_cached_property:
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def test_deleting(self):
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class X:
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xx = False
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@cached_property
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def foo(self):
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return 42
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@foo.deleter # noqa
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def foo(self, value):
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self.xx = value
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x = X()
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del(x.foo)
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assert not x.xx
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x.__dict__['foo'] = 'here'
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del(x.foo)
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assert x.xx == 'here'
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def test_when_access_from_class(self):
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class X:
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xx = None
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@cached_property
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def foo(self):
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return 42
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@foo.setter # noqa
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def foo(self, value):
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self.xx = 10
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desc = X.__dict__['foo']
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assert X.foo is desc
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assert desc.__get__(None) is desc
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assert desc.__set__(None, 1) is desc
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assert desc.__delete__(None) is desc
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assert desc.setter(1)
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x = X()
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x.foo = 30
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assert x.xx == 10
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del(x.foo)
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