def test_divide_non_int_type(self):
with self.assertRaises(TypeError):
Calculator.quotient(30, "r")
def test_zero_division(self):
with self.assertRaises(ZeroDivisionError):
Calculator.quotient(30, 0)
def test_divide_result_type(self):
self.assertIsInstance(Calculator.quotient(30, 5), float)
self.assertIsInstance(Calculator.quotient(15, 5), float)
self.assertIsInstance(Calculator.quotient(34, 10), float)
def test_add_result(self):
self.assertEqual(Calculator.add(2, 3), 5)
self.assertEqual(Calculator.add(-2, -3), -5)
self.assertEqual(Calculator.add(-2, 3), 1)
self.assertEqual(Calculator.add(277777777, 50000000), 277777777 + 50000000)
def test_subtract_non_int_type(self):
with self.assertRaises(TypeError):
Calculator.difference(56, "u")
def test_divide_result(self):
self.assertEqual(Calculator.quotient(30, 5), 6)
self.assertEqual(Calculator.quotient(15, 5), 3)
self.assertEqual(Calculator.quotient(20, 2), 10)
def test_subtract_result(self):
self.assertEqual(Calculator.difference(56, 6), 50)
self.assertEqual(Calculator.difference(3, -9), 12)
self.assertEqual(Calculator.difference(34, 10), 24)
def test_subtract_result_type(self):
self.assertIsInstance(Calculator.difference(56, 6), int)
self.assertIsInstance(Calculator.difference(3, -9), int)
self.assertIsInstance(Calculator.difference(34, 10), int)
def test_multiply_non_int_type(self):
with self.assertRaises(TypeError):
Calculator.product(3, "j")
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_result(self):
self.assertEquals(Calculator.product(3, 3), 9)
self.assertEquals(Calculator.product(5, 2), 10)
self.assertEquals(Calculator.product(100, 5), 500)
def test_add_non_int_type(self):
with self.assertRaises(TypeError):
Calculator.add(2, "d")
def test_add_result_type(self):
self.assertIsInstance(Calculator.add(2, 3), int)
self.assertIsInstance(Calculator.add(-2, -3), int)
self.assertIsInstance(Calculator.add(-2, 3), int)
self.assertIsInstance(Calculator.add(277777777, 50000000), int)