def test_calculate_params():
unit1 = "g"
unit2 = "piece"
value_to_calc = Decimal(10.5)
weight1 = Decimal(50)
weight2 = Decimal(2)
weight_in_pcs = Decimal(100)
assert calculate_params(unit1, value_to_calc, weight1, weight_in_pcs) == 5.25
assert calculate_params(unit2, value_to_calc, weight2, weight_in_pcs) == 21
def proteins(self) -> float:
proteins = calculate_params(
self.unit,
self.product.proteins_per_100,
self.weight,
self.product.weight_of_pcs,
)
return proteins
def calories(self) -> float:
calories = calculate_params(
self.unit,
self.product.calories_per_100,
self.weight,
self.product.weight_of_pcs,
)
return calories
def fats(self) -> float:
fats = calculate_params(
self.unit,
self.product.fats_per_100,
self.weight,
self.product.weight_of_pcs,
)
return fats