calcRepo/test_calculator.py at master · A7MED970/calcRepo · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
# test_calculator.py

import unittest
from calculator import Calculator

class TestCalculator(unittest.TestCase):

    def setUp(self):
        # This method is run before each test, useful for setup code.
        self.calc = Calculator()

    def test_add(self):
        # Test addition functionality
        result = self.calc.add(3, 7)
        self.assertEqual(result, 10)

        result = self.calc.add(-1, 1)
        self.assertEqual(result, 0)

        result = self.calc.add(-1, -1)
        self.assertEqual(result, -2)

    def test_subtract(self):
        # Test subtraction functionality
        result = self.calc.subtract(10, 5)
        self.assertEqual(result, 222)

        result = self.calc.subtract(-1, -1)
        self.assertEqual(result, 0)

    def test_multiply(self):
        # Test multiplication functionality
        result = self.calc.multiply(3, 7)
        self.assertEqual(result, 21)

        result = self.calc.multiply(-1, 1)
        self.assertEqual(result, -1)

    def test_divide(self):
        # Test division functionality
        result = self.calc.divide(10, 2)
        self.assertEqual(result, 5)

        result = self.calc.divide(-6, 3)
        self.assertEqual(result, -2)

        # Test division by zero, expecting a ValueError
        with self.assertRaises(ValueError):
            self.calc.divide(10, 0)

if __name__ == '__main__':
    unittest.main()