calculator

calculator.py

class Calculator(object):

def subtract(self, x, y):

pass

test_calc.py

import unittest # importing standard unittest module from python library

from testapp.calculator import Calculator # import

class TddPython(unittest.TestCase): # our class that would contain multiple test cases




def test_calc_subtract_method(self): # test method

calc = Calculator() # initiliate the Calculator

result = calc.subtract(4,1)

self.assertEqual(3, result)




if __name__ == '__main__':

unittest.main() # execute test