Re: [Pyunit-interest] Newbie question

[Steve P. <ste...@ya...>]

Hi Jim,

unittest.main() is designed to turn a test module into an executable test 
script, it explicitly calls 'sys.exit()' to indicate success or otherwise.

You are running the entire script from within the interpreter, and the 
interpreter is reporting to you that sys.exit() has been called, which 
works by raising SystemExit.

In other words, it's nothing to worry about, but it is a nuisance when 
pushing an entire test script through the interpreter, as happens when 
executing a script in emacs' python mode. One way to avoid having the 
traceback printed out is to replace

  unittest.main()

with

  try: unittest.main()
  except SystemExit: pass

Best wishes,

-Steve

--
http://www.pythonconsulting.com/


On Wednesday 08 September 2004 19:42, Frohnhofer, James wrote:
> Is it expected behavior that the text-based test runner print a stack
> traceback upon completion?  For example (from the pyunit documentation):
>
> import unittest
>
> class IntegerArithmenticTestCase(unittest.TestCase):
>     def testAdd(self):  ## test method names begin 'test*'
>         self.assertEquals((1 + 2), 3)
>         self.assertEquals(0 + 1, 1)
>     def testMultiply(self):
>         self.assertEquals((0 * 10), 0)
>         self.assertEquals((5 * 8), 40)
>
> if __name__ == '__main__':
>     unittest.main()
>
>
> When run as a script returns:
>
>
> ..
> ----------------------------------------------------------------------
> Ran 2 tests in 0.015s
>
> OK
> Traceback (most recent call last):
>   File "H:/Python23/Lib/testest.py", line 12, in ?
>     unittest.main()
>   File "H:\Python23\lib\unittest.py", line 721, in __init__
>     self.runTests()
>   File "H:\Python23\lib\unittest.py", line 759, in runTests
>     sys.exit(not result.wasSuccessful())
> SystemExit: False
>
>
>
> While I can see the OK and the two dots (..) for success, I would expect
> success not to be followed by a stack trace.  Am I doing something wrong
> or am I being a moron -- a real possibility.  I am familiar with xUnit,
> but fairly new to Python.
>
> Thanks,
>
> Jim
>
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