def test_mul(self):
params = [
[1, 2, 2],
[2, 2, 4],
[1, -2, -2],
[-1, 2, -2],
[-1, -2, 2],
]
self.__repeat_assert_equal(params, Calc.mul)
self.assertIsInstance(Calc.mul(1, 1), int)
self.assertIsInstance(Calc.mul(0.5, 0.5), float)
self.assertIsInstance(Calc.mul(0.5, -0.5), float)
self.assertIsInstance(Calc.mul(1.0, 1), float)
self.assertIsInstance(Calc.mul(1.0, 1.0), float)
self.assertIsInstance(Calc.mul(0.5, 1.0), float)
def test_division(self):
params = [
[1, 2, 0.5],
[2, 2, 1],
[1, -2, -0.5],
[-1, 2, -0.5],
[-1, -2, 0.5],
]
for a, b, c in params:
with self.subTest(a=a, b=b, c=c):
self.assertEqual(Calc.division(a, b), c)
self.assertIsInstance(Calc.division(1, 1), float)
self.assertIsInstance(Calc.division(0.5, 0.5), float)
self.assertIsInstance(Calc.division(0.5, -0.5), float)
with self.assertRaises(ZeroDivisionError):
Calc.division(1, 0)
def test_sum(self):
params = [
[1, 2, 3],
[2, 2, 4],
[1, -2, -1],
[-1, 2, 1],
["1", "1", 2],
["1", 1, 2],
["-1", 1, 0]
]
for a, b, c in params:
with self.subTest(a=a, b=b, c=c):
self.assertEqual(Calc.sum(a, b), c)
with self.assertRaises(ValueError):
Calc.sum("h", "1")
with self.assertRaises(TypeError):
Calc.sum([1], "1")
self.assertIsInstance(Calc.sum(1, 1), float)
def test_sum(a, b, c):
assert Calc.sum(a, b) == c