New issue 429: Assert interpretation chokes on mojibake (Python 2.7)
https://bitbucket.org/hpk42/pytest/issue/429/assert-interpretation-chokes-on-mojibake
Ronan Lamy:
Self-explanatory, I hope.
AIUI, the line that fails is doing u''.join([<str>, <str>]) which can only end
in tears.
```
#!
$ py.test test_mojibake.py --pdb
========================================================================================================
test session starts
========================================================================================================
platform linux2 -- Python 2.7.4 -- pytest-2.5.1
plugins: cov
collected 1 items
test_mojibake.py F
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> traceback
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
def test_test():
> assert 'e' == '\xc3\xa9'
test_mojibake.py:2:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
ops = ('==',), results = (False,), expls = ('%(py1)s == %(py4)s',), each_obj =
('e', '\xc3\xa9')
def _call_reprcompare(ops, results, expls, each_obj):
for i, res, expl in zip(range(len(ops)), results, expls):
try:
done = not res
except Exception:
done = True
if done:
break
if util._reprcompare is not None:
> custom = util._reprcompare(ops[i], each_obj[i], each_obj[i + 1])
../../.virtualenvs/hippy/local/lib/python2.7/site-packages/_pytest/assertion/rewrite.py:343:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
op = '==', left = 'e', right = '\xc3\xa9'
def callbinrepr(op, left, right):
hook_result = item.ihook.pytest_assertrepr_compare(
config=item.config, op=op, left=left, right=right)
for new_expl in hook_result:
if new_expl:
# Don't include pageloads of data unless we are very
# verbose (-vv)
> if (len(py.builtin._totext('').join(new_expl[1:])) > 80*8
and item.config.option.verbose < 2):
E UnicodeDecodeError: 'ascii' codec can't decode byte
0xc3 in position 2: ordinal not in range(128)
../../.virtualenvs/hippy/local/lib/python2.7/site-packages/_pytest/assertion/__init__.py:83:
UnicodeDecodeError
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> entering PDB
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> /home/ronan/.virtualenvs/hippy/local/lib/python2.7/site-packages/_pytest/assertion/__init__.py(83)callbinrepr()
-> if (len(py.builtin._totext('').join(new_expl[1:])) > 80*8
(Pdb) p new_expl
[u"'e' == '\\xc3\\xa9'", '- e', '+ \xc3\xa9']
```
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