def test_calculator_with_custom_output_unit():
calculator = Calculator()
result = calculator.sum("3 Meters", "5 Meters", "Milimeters")
assert result == "8000 Milimeters"
result = calculator.sum("1 Kilometers", "5 Meters", "Milimeters")
assert result == "1005000 Milimeters"
def test_calculator_with_invalid_units():
calculator = Calculator()
with pytest.raises(UnitException) as ex:
result = calculator.sum("3 AlienMeter", "5 Meters", "Milimeters")
assert "AlienMeter" in str(ex.value)
with pytest.raises(NonNumerical) as ex:
result = calculator.sum("X Meters", "5 Meters", "Milimeters")
assert "X" in str(ex.value)
def test_calculator_different_input_unit():
calculator = Calculator()
result = calculator.sum(
"3 Decimeters",
"5 Meters",
)
assert result == "5.3 Meters"
result = calculator.sum(
"3 Milimeters",
"5 Meters",
)
assert result == "5.003 Meters"
result = calculator.sum(
"3 Milimeters",
"5 Milimeters",
)
assert result == "0.008 Meters"
result = calculator.sum(
"1 Kilometers",
"1 Meters",
)
assert result == "1001 Meters"
def test_addition(answer):
calculator = Calculator()
assert calculator.add(2, 2) == answer
def test_raise_by_power():
calculator = Calculator()
assert calculator.power(10, 2) == 100
def test_division(answer):
calculator = Calculator()
assert calculator.divide(8, 2) == answer
def test_multiplication(answer):
calculator = Calculator()
assert calculator.multiply(2, 2) == answer
def test_sbustraction_wrong_value():
calculator = Calculator()
with pytest.raises(Exception):
assert calculator.substract("test", 2) == 0
def test_substraction(answer):
calculator = Calculator()
assert calculator.substract(6, 2) == answer
def test_addition_with_char_exception():
calculator = Calculator()
with pytest.raises(Exception):
assert calculator.add("three", 2)
def test_calculator_with_invalid_units():
calculator = Calculator()
with pytest.raises(FormatException) as ex:
result = calculator.sum("1", "Meter")
assert "Expecting 'Value Unit'" in str(ex.value)
def test_calculator_meter_and_integer_only():
calculator = Calculator()
result = calculator.sum("3 Meters", "5 Meters")
assert result == "8 Meters"
def test_calculator_meter_and_float_values():
calculator = Calculator()
result = calculator.sum("3.2 Meters", "5.7 Meters")
assert result == "8.9 Meters"