def test_add(self):
"""
Test that the addition of two integers returns the correct data
"""
result = cal.cal_fun(1, 2, "Addition")
self.assertEqual(result, 3)
def test_mul(self):
"""
Test that the multiplication of two integers returns the correct data
"""
result = cal.cal_fun(2, 3, "Multiplication")
self.assertEqual(result, 6)
def test_div(self):
"""
Test that the division of two integers returns the correct data
"""
result = cal.cal_fun(6, 3, "Division")
self.assertEqual(result, 2.0)
def test_sub(self):
"""
Test that the subtraction of two integers returns the correct data
"""
result = cal.cal_fun(5, 3, "Subtraction")
self.assertEqual(result, 2)