~certify-web-dev/twisted/certify-trunk

« back to all changes in this revision

Viewing changes to twisted/trial/test/weird.py

• browse files at revision 15
• compare with another revision
• download diff
• download tarball
• view history from revision 15

Show diffs side-by-side

added

removed

twisted/trial/test/weird.py

 

1

from twisted.trial import unittest

 

2

from twisted.internet import defer

 

3

 

 

4

# Used in test_tests.TestUnhandledDeferred

 

5

 

 

6

class TestBleeding(unittest.TestCase):

 

7

    """This test creates an unhandled Deferred and leaves it in a cycle.

 

8

    

 

9

    The Deferred is left in a cycle so that the garbage collector won't pick it

 

10

    up immediately.  We were having some problems where unhandled Deferreds in

 

11

    one test were failing random other tests. (See #1507, #1213)

 

12

    """

 

13

    def test_unhandledDeferred(self):

 

14

        try:

 

15

            1/0

 

16

        except ZeroDivisionError:

 

17

            f = defer.fail()

 

18

        # these two lines create the cycle. don't remove them

 

19

        l = [f]

 

20

        l.append(l)

• Older »

Loggerhead is a web-based interface for Breezy
Version: 2.0.1