New submission from Chris Withers:
This code, prior to 3.4:
from testfixtures import Comparison as C
class AClass:
def __init__(self,x,y=None):
self.x = x
if y:
self.y = y
def __repr__(self):
return '<'+self.__class__.__name__+'>'
...
self.assertEqual(
C('testfixtures.tests.test_comparison.AClass',
y=5, z='missing'),
AClass(1, 2))
Would give the following output in the failure message:
"""
<C(failed):testfixtures.tests.test_comparison.AClass>
x:1 not in Comparison
y:5 != 2
z:'missing' not in other
</C> != <AClass>"
"""
Now, in 3.4, you get the (rather unhelpful):
"""
<C(failed):testfixtures.tests.test_com[79 chars] </C> != <AClass>
"""
It's particularly disappointing that there's no API (class attribute, etc) to
control whether or not this new behaviour is enabled.
I believe the change that introduced this behaviour was in [issue18996]
----------
components: Tests
keywords: 3.4regression
messages: 221167
nosy: cjw296
priority: normal
severity: normal
status: open
title: unittest: unhelpful truncating of long strings.
type: behavior
versions: Python 3.4
_______________________________________
Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue21820>
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