24 lines
721 B
Python
24 lines
721 B
Python
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from __future__ import division, absolute_import
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import unittest
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from twisted.internet import defer
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# Used in test_tests.UnhandledDeferredTests
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class TestBleeding(unittest.TestCase):
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"""This test creates an unhandled Deferred and leaves it in a cycle.
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The Deferred is left in a cycle so that the garbage collector won't pick it
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up immediately. We were having some problems where unhandled Deferreds in
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one test were failing random other tests. (See #1507, #1213)
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"""
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def test_unhandledDeferred(self):
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try:
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1/0
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except ZeroDivisionError:
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f = defer.fail()
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# these two lines create the cycle. don't remove them
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l = [f]
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l.append(l)
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