Example #1
0
def main():

    if len(sys.argv) != 4:
        error_message = """

            Invalid arguments.

            Usage:

            calculator.py 1 + 3

            or 1 x 3
            or 1 / 3
            or 1 - 3
            """
        raise ValueError(error_message + "\n")

    x = sys.argv[1]
    operator = sys.argv[2]
    y = sys.argv[3]

    if operator == "+":
        return functions.add(x, y)

    elif operator == "-":
        return functions.subtract(x, y)

    elif operator == "x":
        return functions.multiply(x, y)

    elif operator == "/":
        return functions.divide(x, y)

    else:
        return "invalid input"
Example #2
0
 def test_add(self):
     self.assertEqual(calc.add(self.x, self.y), 5)
Example #3
0
def test_add():
    assert calc.add(2, 3) == 5
Example #4
0
 def test_add2(self):
     print("running test_add2")
     self.assertEqual(calc.add(7, 8), 15)
Example #5
0
 def test_add(self):
     print("running test_add")
     self.assertEqual(calc.add(self.x, self.y), 5)
if len(sys.argv) != 4:
    error_message = """

        Invalid arguments.

        Usage:

        calculator.py 1 + 3
        """
    sys.stderr.write(error_message + "\n")
    sys.exit(-1)

x = sys.argv[1]
operator = sys.argv[2]
y = sys.argv[3]

if operator == "+":
    print functions.add(x, y)

elif operator == "-":
    print functions.subtract(x, y)

elif operator == "*":
    print functions.multiply(x, y)

elif operator == "/":
    print functions.divide(x, y)

else:
    print "invalid input"
Example #7
0
if len(sys.argv) != 4:
    error_message = """

        Invalid arguments.

        Usage:

        calculator.py 1 + 3
        """
    sys.stderr.write(error_message + "\n")
    sys.exit(-1)

x = sys.argv[1]
operator = sys.argv[2]
y = sys.argv[3]

if operator == "+":
    print functions.add(x, y)

elif operator == "-":
    print functions.subtract(x, y)

elif operator == "*":
    print functions.multiply(x, y)

elif operator == "/":
    print functions.divide(x, y)

else:
    print "invalid input"
 def test_calculator_add_function_returns_correct_result(self):
     self.assertEqual(4, calculator_functions.add(2, 2))
     self.assertEqual(1, calculator_functions.add(-1, 2))
     self.assertEqual(-3, calculator_functions.add(0, -3))
 def test_add(self):
     self.assertEqual(calc.add(self.x, self.y), 5)
Example #10
0
if len(sys.argv) != 4:
    error_message = """

        Invalid arguments.

        Usage:

        calculator.py 1 + 3
        """
    sys.stderr.write(error_message + "\n")
    sys.exit(-1)

x = sys.argv[1]
operator = sys.argv[2]
y = sys.argv[3]

if operator == "+":
    print(functions.add(x, y))

elif operator == "-":
    print(functions.subtract(x, y))

elif operator == "*":
    print(functions.multiply(x, y))

elif operator == "/":
    print(functions.divide(x, y))

else:
    print("invalid input")