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https://github.com/MarioSpore/Grinch-AP.git
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efe2b7c539
* add cache_self1_default and tests * merge the two decorators * just change the defaults of the wrap lol * add test for default and default
80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
# Tests for caches in Utils.py
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import unittest
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from typing import Any
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from Utils import cache_argsless, cache_self1
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class TestCacheArgless(unittest.TestCase):
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def test_cache(self) -> None:
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@cache_argsless
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def func_argless() -> object:
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return object()
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self.assertTrue(func_argless() is func_argless())
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if __debug__: # assert only available with __debug__
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def test_invalid_decorator(self) -> None:
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with self.assertRaises(Exception):
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@cache_argsless # type: ignore[arg-type]
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def func_with_arg(_: Any) -> None:
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pass
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class TestCacheSelf1(unittest.TestCase):
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def test_cache(self) -> None:
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class Cls:
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@cache_self1
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def func(self, _: Any) -> object:
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return object()
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o1 = Cls()
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o2 = Cls()
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self.assertTrue(o1.func(1) is o1.func(1))
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self.assertFalse(o1.func(1) is o1.func(2))
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self.assertFalse(o1.func(1) is o2.func(1))
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def test_cache_default(self) -> None:
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class Cls:
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@cache_self1
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def func(self, _: Any = 1) -> object:
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return object()
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o1 = Cls()
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o2 = Cls()
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self.assertIs(o1.func(), o1.func())
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self.assertIs(o1.func(1), o1.func())
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self.assertIsNot(o1.func(2), o1.func())
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self.assertIsNot(o1.func(), o2.func())
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def test_gc(self) -> None:
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# verify that we don't keep a global reference
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import gc
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import weakref
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class Cls:
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@cache_self1
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def func(self, _: Any) -> object:
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return object()
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o = Cls()
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_ = o.func(o) # keep a hard ref to the result
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r = weakref.ref(o) # keep weak ref to the cache
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del o # remove hard ref to the cache
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gc.collect()
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self.assertFalse(r()) # weak ref should be dead now
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if __debug__: # assert only available with __debug__
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def test_no_self(self) -> None:
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with self.assertRaises(Exception):
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@cache_self1 # type: ignore[arg-type]
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def func() -> Any:
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pass
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def test_too_many_args(self) -> None:
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with self.assertRaises(Exception):
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@cache_self1 # type: ignore[arg-type]
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def func(_1: Any, _2: Any, _3: Any) -> Any:
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pass
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