#25188: inconsistent escaping in assertRaisesMessage test output
-----------------------------------+---------------------------------
     Reporter:  cjerdonek          |      Owner:  nobody
         Type:  Bug                |     Status:  new
    Component:  Testing framework  |    Version:  1.8
     Severity:  Normal             |   Keywords:  assertRaisesMessage
 Triage Stage:  Unreviewed         |  Has patch:  0
Easy pickings:  1                  |      UI/UX:  0
-----------------------------------+---------------------------------
 If `assertRaisesMessage` fails with differing exception text, then the
 test output escapes the two strings differently in the display.

 For example--

 {{{#!python
 def test(self):
     with self.assertRaisesMessage(Exception, "two words"):
         raise Exception("no, three words")
 }}}

 yields--

 {{{
 ----------------------------------------------------------------------
 Exception: no, three words

 During handling of the above exception, another exception occurred:

 Traceback (most recent call last):
   File "***.py", line 178, in test
     raise Exception("no, three words")
 AssertionError: "two\ words" does not match "no, three words"
 }}}

 Observe the spurious slash ("\") before the space.  The test output is
 especially annoying if the string is long and has many spaces.  It can
 look something like--

 {{{
 \{\
 \ \ \ \ \"
 }}}

--
Ticket URL: <https://code.djangoproject.com/ticket/25188>
Django <https://code.djangoproject.com/>
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