Ezio Melotti <[email protected]> added the comment:
If you really want the diff you could use assertMultiLineEqual, but even on
Python 2 you shouldn't mix str and unicode. I would rather fix the code to
return unicode than using assertMultilineEqual to get a diff between str and
unicode. Moreover assertMultiLineEqual only works if the str happens to be
ASCII-only:
>>> class MyTest(TestCase):
... def test_foo(self):
... self.assertMultiLineEqual('bàr', u'bàz')
...
>>> unittest.main(exit=False)
E
======================================================================
ERROR: test_foo (__main__.MyTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "<stdin>", line 3, in test_foo
File "/home/wolf/dev/py/2.7/Lib/unittest/case.py", line 920, in
assertMultiLineEqual
diff = '\n' + ''.join(difflib.ndiff(firstlines, secondlines))
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 3: ordinal
not in range(128)
----------------------------------------------------------------------
----------
_______________________________________
Python tracker <[email protected]>
<http://bugs.python.org/issue14025>
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