def test_divide_by_zero_returns_error(self):
calc = Calculator()
try:
calc.div(12, 0)
self.assertFalse(True, "Expected exception")
except:
return
class TestCalc(unittest.TestCase):
def setUp(self):
self.a = 13
self.b = 2
self.calc = Calculator(self.a, self.b)
def test_sum(self):
self.assertEqual(self.calc.sum(), 15)
def test_sub(self):
self.assertEqual(self.calc.sub(), 11)
def test_mul(self):
self.assertEqual(self.calc.mul(), 26)
def test_div(self):
self.assertEqual(self.calc.div(), 13 / 2)
def test_divide_zero_by_non_zero(self):
calc = Calculator()
res = calc.div(0, 3)
self.assertEqual(0, res)
def test_divide_by_negative_number_returns_negative(self):
calc = Calculator()
res = calc.div(15, -3)
self.assertEqual(-5, res)
def test_divide_with_remainder(self):
calc = Calculator()
res = calc.div(3, 2)
self.assertEqual(1.5, res)
def test_divide_without_remainder(self):
calc = Calculator()
res = calc.div(55, 5)
self.assertEqual(11, res)