def test_good3(self):
self.num = CreditCardCVV.check_cvv_num("756")
correct_num = "756"
self.assertEqual( correct_num, self.num)
def test_middle2(self):
self.num = CreditCardCVV.check_cvv_num("8905")
correct_num = ""
self.assertEqual( correct_num, self.num)
def test_vbad0(self):
self.num = CreditCardCVV.check_cvv_num("oiuerewh")
correct_num = ""
self.assertEqual( correct_num, self.num)
def test_bad1(self):
self.num = CreditCardCVV.check_cvv_num("90")
correct_num = ""
self.assertEqual( correct_num, self.num)
def setUp(self):
self.num = CreditCardCVV.check_cvv_num("")
