Merged revisions 81747 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r81747 | michael.foord | 2010-06-05 13:58:39 +0100 (Sat, 05 Jun 2010) | 1 line

  unittest.TestCase.assertDictEqual and assertMultilineEqual provide better default failure messages in the event of long diffs.
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This commit is contained in:
Michael Foord 2010-06-05 13:14:43 +00:00
parent 02ff2100d3
commit cb11b251a0
2 changed files with 12 additions and 6 deletions

View File

@ -811,10 +811,11 @@ class TestCase(object):
self.assert_(isinstance(d2, dict), 'Second argument is not a dictionary')
if d1 != d2:
standardMsg = '%s != %s' % (safe_repr(d1, True), safe_repr(d2, True))
diff = ('\n' + '\n'.join(difflib.ndiff(
pprint.pformat(d1).splitlines(),
pprint.pformat(d2).splitlines())))
standardMsg = self._truncateMessage('', diff)
standardMsg = self._truncateMessage(standardMsg, diff)
self.fail(self._formatMessage(msg, standardMsg))
def assertDictContainsSubset(self, expected, actual, msg=None):
@ -931,9 +932,10 @@ class TestCase(object):
'Second argument is not a string'))
if first != second:
standardMsg = '%s != %s' % (safe_repr(d1, True), safe_repr(d2, True))
diff = '\n' + ''.join(difflib.ndiff(first.splitlines(True),
second.splitlines(True)))
standardMsg = self._truncateMessage('', diff)
standardMsg = self._truncateMessage(standardMsg, diff)
self.fail(self._formatMessage(msg, standardMsg))
def assertLess(self, a, b, msg=None):

View File

@ -2,12 +2,16 @@
__unittest = True
def safe_repr(obj):
_MAX_LENGTH = 80
def safe_repr(obj, short=False):
try:
return repr(obj)
result = repr(obj)
except Exception:
return object.__repr__(obj)
result = object.__repr__(obj)
if not short or len(result) < _MAX_LENGTH:
return result
return result[:_MAX_LENGTH] + ' [truncated]...'
def strclass(cls):
return "%s.%s" % (cls.__module__, cls.__name__)