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Merged revisions 81763 via svnmerge from

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........
  r81763 | michael.foord | 2010-06-05 21:33:43 +0100 (Sat, 05 Jun 2010) | 1 line

  Tests for unittest.TestCase.maxDiff.
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This commit is contained in:
Michael Foord 2010-06-05 21:01:08 +00:00
parent a7a42cb639
commit da562f65e9
1 changed files with 39 additions and 0 deletions
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39
Lib/unittest/test/test_case.py
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@ -597,6 +597,8 @@ class Test_TestCase(unittest.TestCase, TestEquality, TestHashing):
seq2 = 'b' + 'x' * 80**2
diff = '\n'.join(difflib.ndiff(pprint.pformat(seq1).splitlines(),
pprint.pformat(seq2).splitlines()))
# the +1 is the leading \n added by assertSequenceEqual
omitted = unittest.case.DIFF_OMITTED % (len(diff) + 1,)
self.maxDiff = len(diff)//2
try:
@ -607,6 +609,7 @@ class Test_TestCase(unittest.TestCase, TestEquality, TestHashing):
else:
self.fail('assertSequenceEqual did not fail.')
self.assertTrue(len(msg) < len(diff))
self.assertIn(omitted, msg)
self.maxDiff = len(diff) * 2
try:
@ -616,6 +619,7 @@ class Test_TestCase(unittest.TestCase, TestEquality, TestHashing):
else:
self.fail('assertSequenceEqual did not fail.')
self.assertTrue(len(msg) > len(diff))
self.assertNotIn(omitted, msg)
self.maxDiff = None
try:
@ -625,6 +629,41 @@ class Test_TestCase(unittest.TestCase, TestEquality, TestHashing):
else:
self.fail('assertSequenceEqual did not fail.')
self.assertTrue(len(msg) > len(diff))
self.assertNotIn(omitted, msg)
def testTruncateMessage(self):
self.maxDiff = 1
message = self._truncateMessage('foo', 'bar')
omitted = unittest.case.DIFF_OMITTED % len('bar')
self.assertEqual(message, 'foo' + omitted)
self.maxDiff = None
message = self._truncateMessage('foo', 'bar')
self.assertEqual(message, 'foobar')
def testAssertDictEqualTruncates(self):
test = unittest.TestCase('assertEqual')
def truncate(msg, diff):
return 'foo'
test._truncateMessage = truncate
try:
test.assertDictEqual({}, {1: 0})
except self.failureException as e:
self.assertEqual(str(e), 'foo')
else:
self.fail('assertDictEqual did not fail')
def testAssertMultiLineEqualTruncates(self):
test = unittest.TestCase('assertEqual')
def truncate(msg, diff):
return 'foo'
test._truncateMessage = truncate
try:
test.assertMultiLineEqual('foo', 'bar')
except self.failureException as e:
self.assertEqual(str(e), 'foo')
else:
self.fail('assertMultiLineEqual did not fail')
def testAssertItemsEqual(self):
a = object()