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Only recognize the expected output as an exception if it *starts* with

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a traceback message.  I.e., examples that raise exceptions may no
longer generate pre-exception output.  This restores the behavior of
doctest in python 2.3.  The ability to check pre-exception output is
being removed because it makes the documentation simpler; and because
there are very few use cases for it.
This commit is contained in:
Edward Loper 2004-08-25 23:07:03 +00:00
parent d2afee47b1
commit 19b1958730
3 changed files with 55 additions and 54 deletions
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16
Lib/test/test_doctest.py
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@ -623,8 +623,10 @@ replaced with any other string:
>>> doctest.DocTestRunner(verbose=False).run(test)
(0, 2)
An example may generate output before it raises an exception; if it
does, then the output must match the expected output:
An example may not generate output before it raises an exception; if
it does, then the traceback message will not be recognized as
signaling an expected exception, so the example will be reported as an
unexpected exception:
>>> def f(x):
... '''
@ -636,7 +638,15 @@ does, then the output must match the expected output:
... '''
>>> test = doctest.DocTestFinder().find(f)[0]
>>> doctest.DocTestRunner(verbose=False).run(test)
(0, 2)
... # doctest: +ELLIPSIS
**********************************************************************
Line 3, in f
Failed example:
print 'pre-exception output', x/0
Exception raised:
...
ZeroDivisionError: integer division or modulo by zero
(1, 2)
Exception messages may contain newlines: