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executable file 32 lines (23 sloc) 0.856 kB
#! /usr/bin/python
import random
import unittest
class TestSequenceFunctions(unittest.TestCase):
def setUp(self):
self.seq = range(10)
def test_shuffle(self):
# make sure the shuffled sequence does not lose any elements
random.shuffle(self.seq)
self.seq.sort()
self.assertEqual(self.seq, range(10))
# should raise an exception for an immutable sequence
self.assertRaises(TypeError, random.shuffle, (1,2,3))
def test_choice(self):
element = random.choice(self.seq)
self.assertTrue(element in self.seq)
#def test_sample(self):
# with self.assertRaises(ValueError):
# random.sample(self.seq, 20)
# for element in random.sample(self.seq, 5):
# self.assertTrue(element in self.seq)
if __name__ == '__main__':
unittest.main()
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