Source Code for Module buildbot.util.monkeypatches

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14  # Copyright Buildbot Team Members 
15   
16  import sys 
17  import twisted 
18  from twisted.trial import unittest 
19   
20 -def add_debugging_monkeypatches(): 
21      """ 
22      DO NOT CALL THIS DIRECTLY 
23   
24      This adds a few "harmless" monkeypatches which make it easier to debug 
25      failing tests.  It is called automatically by buildbot.test.__init__. 
26      """ 
27      from twisted.application.service import Service 
28      old_startService = Service.startService 
29      old_stopService = Service.stopService 
30      def startService(self): 
31          assert not self.running 
32          return old_startService(self) 
33      def stopService(self): 
34          assert self.running 
35          return old_stopService(self) 
36      Service.startService = startService 
37      Service.stopService = stopService 
38   
39      # versions of Twisted before 9.0.0 did not have a UnitTest.patch that worked 
40      # on Python-2.7 
41      if twisted.version.major <= 9 and sys.version_info[:2] == (2,7): 
42          def nopatch(self, *args): 
43              raise unittest.SkipTest('unittest.TestCase.patch is not available') 
44          unittest.TestCase.patch = nopatch 
45