/ Published in: Python
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import random import unittest class TestSequenceFunctions(unittest.TestCase): def setUp(self): self.seq = range(10) def testshuffle(self): # make sure the shuffled sequence does not lose any elements random.shuffle(self.seq) self.seq.sort() self.assertEqual(self.seq, range(10)) def testchoice(self): element = random.choice(self.seq) self.assert_(element in self.seq) def testsample(self): self.assertRaises(ValueError, random.sample, self.seq, 20) for element in random.sample(self.seq, 5): self.assert_(element in self.seq) if __name__ == '__main__': unittest.main()