[docs] Improve unittest basic example in the doc (issue 11468)

[berker.peksag at gmail.com]

On 2014/05/27 19:15:24, Zach Ware wrote:
> http://bugs.python.org/review/11468/diff/2986/Doc/library/unittest.rst
> File Doc/library/unittest.rst (right):
> 
>
http://bugs.python.org/review/11468/diff/2986/Doc/library/unittest.rst#newcode131
> Doc/library/unittest.rst:131: self.assertEqual(s.split(), ['hello',
'world'])
> On 2014/05/27 14:57:56, berkerpeksag wrote:
> > I think this is a good example to use assertListEqual.
> 
> There should be no need to use assertListEqual explicitly, assertEqual
uses the
> type-specific equality functions under the hood:

Ah, yes, you're right. Thanks.

>  >>> unittest.TestCase().assertEqual('hello world'.split(),
['goodbye',
> 'world'])
> 
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "P:\Python34\lib\unittest\case.py", line 797, in assertEqual
>     assertion_func(first, second, msg=msg)
>   File "P:\Python34\lib\unittest\case.py", line 995, in
assertListEqual
>     self.assertSequenceEqual(list1, list2, msg, seq_type=list)
>   File "P:\Python34\lib\unittest\case.py", line 977, in
assertSequenceEqual
>     self.fail(msg)
>   File "P:\Python34\lib\unittest\case.py", line 642, in fail
>     raise self.failureException(msg)
> AssertionError: Lists differ: ['hello', 'world'] != ['goodbye',
'world']
> 
> First differing element 0:
> hello
> goodbye
> 
> - ['hello', 'world']
> + ['goodbye', 'world']

http://bugs.python.org/review/11468/