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81 lines
2.1 KiB
Python
81 lines
2.1 KiB
Python
5 years ago
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# -*- coding: utf-8 -*-
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# copyright 2018 gevent contributors. See LICENSE for details.
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import gc
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import gevent.testing as greentest
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from gevent._ident import IdentRegistry
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from gevent._compat import PYPY
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class Target(object):
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pass
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class TestIdent(greentest.TestCase):
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def setUp(self):
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self.reg = IdentRegistry()
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def tearDown(self):
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self.reg = None
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def test_basic(self):
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target = Target()
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self.assertEqual(0, self.reg.get_ident(target))
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self.assertEqual(1, len(self.reg))
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self.assertEqual(0, self.reg.get_ident(target))
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self.assertEqual(1, len(self.reg))
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target2 = Target()
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self.assertEqual(1, self.reg.get_ident(target2))
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self.assertEqual(2, len(self.reg))
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self.assertEqual(1, self.reg.get_ident(target2))
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self.assertEqual(2, len(self.reg))
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self.assertEqual(0, self.reg.get_ident(target))
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# When an object dies, we can re-use
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# its id. Under PyPy we need to collect garbage first.
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del target
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if PYPY:
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for _ in range(3):
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gc.collect()
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self.assertEqual(1, len(self.reg))
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target3 = Target()
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self.assertEqual(1, self.reg.get_ident(target2))
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self.assertEqual(0, self.reg.get_ident(target3))
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self.assertEqual(2, len(self.reg))
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@greentest.skipOnPyPy("This would need to GC very frequently")
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def test_circle(self):
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keep_count = 3
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keepalive = [None] * keep_count
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for i in range(1000):
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target = Target()
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# Drop an old one.
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keepalive[i % keep_count] = target
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self.assertLessEqual(self.reg.get_ident(target), keep_count)
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@greentest.skipOnPurePython("Needs C extension")
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class TestCExt(greentest.TestCase):
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def test_c_extension(self):
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self.assertEqual(IdentRegistry.__module__,
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'gevent.__ident')
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if __name__ == '__main__':
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greentest.main()
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