def test_mul(self):
calc = Calculator(-100000, 100000)
self.assertEqual(calc.mul(1, 1), 1)
self.assertEqual(calc.mul(1, 0), 0)
self.assertEqual(calc.mul(0, 1), 0)
self.assertEqual(calc.mul(100, 10), 1000)
self.assertEqual(calc.mul(1, 1), 1)
def test_mul_with_two_negative_numbers(self):
c = Calculator()
assert c.mul(-5, -10) == 50
def test_mul_with_two_positive_numbers(self):
c = Calculator()
assert c.mul(5, 10) == 50
def test_mul_throws_e_when_out_of_bounds_low(self):
with pytest.raises(ValueError):
c = Calculator()
c.mul(-1001,100)
def test_mul_with_one_negative_one_positive_number(self):
c = Calculator()
assert c.mul(-5, 10) == -50
def test_mul_with_out_of_bounds_throws_e(self):
with pytest.raises(ValueError):
calculator = Calculator()
calculator.mul(-1001,100)
def test_mul_with_two_negative_numbers(self):
c = Calculator()
self.assertEqual(c.mul(-1, -8), 8)
def test_mul_with_two_positive_numbers(self):
c = Calculator()
self.assertEqual(c.mul(22, 10), 220)
def test_mul_with_two_positive_numbers(self):
c = Calculator()
res = c.mul(5, 5)
self.assertEqual(res, 25)
def test_mul(self):
c = Calculator()
res = c.mul(3, 3)
self.assertEqual(res, 9)
def test_mul_with_one_negative_one_positive_number(self):
c = Calculator()
res = c.mul(-5, 5)
self.assertEqual(res, -25)
def test_mul_with_two_negative_numbers(self):
c = Calculator()
res = c.mul(-5, -5)
self.assertEqual(res, 25)
class CalculatorTests(TestCase):
def setUp(self):
self.calculator = Calculator()
def test_mul_with_5_and_10(self):
assert self.calculator.mul(5, 10) == 50
def test_mul_with_two_positive_numbers(self):
assert self.calculator.mul(3, 7) == 21
def test_mul_with_two_negative_numbers(self):
assert self.calculator.mul(-8, -4) == 32
def test_mul_with_one_positive_and_one_negative_number(self):
assert self.calculator.mul(6, -3) == -18
def test_mul_raises_ValueError_if_a_too_high(self):
with pytest.raises(ValueError):
self.calculator.mul(1001, 2)
def test_mul_raises_ValueError_if_a_too_low(self):
with pytest.raises(ValueError):
self.calculator.mul(-1001, 2)
def test_mul_raises_ValueError_if_b_too_high(self):
with pytest.raises(ValueError):
self.calculator.mul(2, 1001)
def test_mul_raises_ValueError_if_b_too_low(self):
with pytest.raises(ValueError):
self.calculator.mul(2, -1001)
def test_div_with_two_positive_numbers(self):
assert self.calculator.div(10, 5) == 2
def test_div_with_two_negative_numbers(self):
assert self.calculator.div(-20, -5) == 4
def test_div_with_one_negative_and_one_positive(self):
assert self.calculator.div(-30, 5) == -6
def test_div_raises_ValueError_a_too_high(self):
with pytest.raises(ValueError):
self.calculator.div(1001, 2)
def test_div_raises_ValueError_b_too_high(self):
with pytest.raises(ValueError):
self.calculator.div(2, 1001)
def test_div_raises_ValueError_a_too_low(self):
with pytest.raises(ValueError):
self.calculator.div(-1001, 2)
def test_div_raises_ValueError_b_too_low(self):
with pytest.raises(ValueError):
self.calculator.div(2, -1001)
def test_div_raises_divide_by_zero_exception(self):
with pytest.raises(ZeroDivisionError):
self.calculator.div(2, 0)
def test_boundaries(self):
calc = Calculator(-100, 100)
self.assertRaises(ValueTooLowException, lambda: calc.div(-101, 1))
self.assertRaises(ValueTooHighException, lambda: calc.mul(101, 1))
self.assertEqual(calc.div(-100, 1), -100)
self.assertEqual(calc.mul(100, 1), 100)
