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Changed the utils.iter.choice test to work bettar.

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This commit is contained in:
Jeremy Fincher 2005-03-14 18:55:11 +00:00
parent 3d60b66ee2
commit 6b19504515
1 changed files with 14 additions and 20 deletions
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34
test/test_utils.py
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@ -381,27 +381,21 @@ class IterTest(SupyTestCase):
def testRandomChoice(self):
choice = utils.iter.choice
self.assertRaises(IndexError, choice, {})
self.assertRaises(IndexError, choice, [])
self.assertRaises(IndexError, choice, ())
L = [1, 2]
i = iter(L)
L1 = False
L2 = False
i1 = False
i2 = False
for n in xrange(100):
ans = choice(L)
if ans == 1:
L1 = True
else:
L2 = True
ans = choice(i)
if ans == 1:
i1 = True
else:
i2 = True
self.assertEqual(L1 and L2, True,
'utils.iter.choice isn\'t being random with lists')
self.assertEqual(i1 and i2, True,
'utils.iter.choice isn\'t being random with iterables')
seenList = set()
seenIterable = set()
for n in xrange(300):
# 2**266 > 10**80, the number of atoms in the known universe.
# (ignoring dark matter, but that likely doesn't exist in atoms
# anyway, so it shouldn't have a significant impact on that #)
seenList.add(choice(L))
seenIterable.add(choice(iter(L)))
self.assertEqual(len(L), len(seenList),
'choice isn\'t being random with lists')
self.assertEqual(len(L), len(seenIterable),
'choice isn\'t being random with iterables')
## def testGroup(self):
## group = utils.iter.group