1#@!#!123s

: / proc / self / root / opt / plesk / python / 3 / lib / python3.10 / test /

Filename : test_opcache.py

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import unittest

class TestLoadAttrCache(unittest.TestCase):
    def test_descriptor_added_after_optimization(self):
        class Descriptor:
            pass

        class C:
            def __init__(self):
                self.x = 1
            x = Descriptor()

        def f(o):
            return o.x

        o = C()
        for i in range(1025):
            assert f(o) == 1

        Descriptor.__get__ = lambda self, instance, value: 2
        Descriptor.__set__ = lambda *args: None

        self.assertEqual(f(o), 2)