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Adding assertIs and assertIsNot methods to unittest.TestCase

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Issue #2578
This commit is contained in:
Michael Foord 2009-04-05 19:19:28 +00:00
parent 7ab5eb91b7
commit f2dfef1637
4 changed files with 54 additions and 0 deletions
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23
Lib/test/test_unittest.py
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@ -2301,6 +2301,16 @@ class Test_TestCase(TestCase, TestEquality, TestHashing):
# from this TestCase instance but since its a local nothing else
# will ever notice that.
def testAssertIs(self):
thing = object()
self.assertIs(thing, thing)
self.assertRaises(self.failureException, self.assertIs, thing, object())
def testAssertIsNot(self):
thing = object()
self.assertIsNot(thing, object())
self.assertRaises(self.failureException, self.assertIsNot, thing, thing)
def testAssertIn(self):
animals = {'monkey': 'banana', 'cow': 'grass', 'seal': 'fish'}
@ -2444,6 +2454,7 @@ class Test_TestCase(TestCase, TestEquality, TestHashing):
# Test that sequences of unhashable objects can be tested for sameness:
self.assertSameElements([[1, 2], [3, 4]], [[3, 4], [1, 2]])
self.assertSameElements([{'a': 1}, {'b': 2}], [{'b': 2}, {'a': 1}])
self.assertRaises(self.failureException, self.assertSameElements,
[[1]], [[2]])
@ -3016,6 +3027,18 @@ class TestLongMessage(TestCase):
"^unexpectedly None$",
"^unexpectedly None : oops$"])
def testAssertIs(self):
self.assertMessages('assertIs', (None, 'foo'),
["^None is not 'foo'$", "^oops$",
"^None is not 'foo'$",
"^None is not 'foo' : oops$"])
def testAssertIsNot(self):
self.assertMessages('assertIsNot', (None, None),
["^unexpectedly identical: None$", "^oops$",
"^unexpectedly identical: None$",
"^unexpectedly identical: None : oops$"])
######################################################################
## Main