def test_normalize_nutrition_info(self):
"""Normalize FoodNutritionInfo.
"""
gram = Unit.objects.get(name='gram')
butter = Food.objects.get(name='butter')
butter_nutrition = FoodNutritionInfo(
food = butter,
quantity = 14.0,
unit = gram,
calories = 100,
fat_calories = 100,
fat = 11,
carb = 0,
sodium = 90,
protein = 0,
cholesterol = 30,
)
butter_nutrition.normalize()
expected_total = FoodNutritionInfo(
food = butter,
quantity = 1.0,
unit = gram,
calories = 7.14,
fat_calories = 7.14,
fat = 0.79,
carb = 0.0,
sodium = 6.43,
protein = 0.0,
cholesterol = 2.14,
)
self.assertTrue(butter_nutrition.is_equal(expected_total))
