Python unittest sample The sample comes from Pro Python Chapter 9

gistfile1.py

"""
The sample comes from Pro Python Chapter 9
The function: times2 is a module which contains a function.
def times2(value):
  return value*2
"""
import unittest 
import times2 
 
class MultiplicationTestCase(unittest.TestCase): 
    def setUp(self): 
        self.factor = 2 
 
    def testNumber(self): 
        self.assertTrue(times2.times2(5) == 10) 
 
if __name__ == '__main__': 
    unittest.main()