def test_multiply_result_type(self):
self.assertIsInstance(Calculator.product(3, 3), int)
self.assertIsInstance(Calculator.product(5, 2), int)
self.assertIsInstance(Calculator.product(100, 5), int)
def test_multiply_non_int_type(self):
with self.assertRaises(TypeError):
Calculator.product(3, "j")
def test_multiply_result(self):
self.assertEquals(Calculator.product(3, 3), 9)
self.assertEquals(Calculator.product(5, 2), 10)
self.assertEquals(Calculator.product(100, 5), 500)