testesUnitarios.py

import unittest

def fat(n):
	if n == 1 or n == 0:
		return n
	return fat(n - 1) * n;


class Test(unittest.TestCase):

	@classmethod
	def tearDownClass(cls): # metodo que e executado apos a execucao dos testes
		print("\nTodos os testes foram executados")

	@classmethod
	def setUpClass(cls):
		print("\n Os testes serao executados =D")	

	def test_1(self):
		self.assertEquals(1,fat(1) )

	def test_2(self):
		self.assertEquals(2,fat(2) )

	def test_5(self):
		self.assertEquals(120,fat(5) )

	def test_int(self):
		self.assertTrue(int == type( fat(2) ))

	@unittest.expectedFailure
	def test_not_int(self):
		self.assertFalse( int != type( fat(1.2) ))		

	@unittest.expectedFailure
	def test_negativo(self):
		self.assertRaises(RuntimeError,fat(-1))

if __name__ == '__main__':
	unittest.main()