def testRecipeCalculations(self):
author = User(username='******', password='******')
author.save()
cat = Category(name='test')
cat.save()
a = Product(category=cat,
name_addition='a',
author=author,
reference_amount=100.0,
calories=100.0)
a.protein = 30.0
a.save()
b = Product(category=cat,
name_addition='b',
author=author,
reference_amount=100.0,
calories=20.0)
b.save()
r = Recipe(category=cat, name_addition='recipe', author=author)
r.save()
i1 = Ingredient(recipe=r, amount=10.0)
i1.food = a
i2 = Ingredient(recipe=r, amount=200.0)
i2.food = b
i1.save()
i2.save()
# Recipe created
self.assertAlmostEqual(r.calories, 50.0, 5)
self.assertIsNone(r.protein)
b.protein = 10.0
b.save()
self.assertAlmostEqual(r.protein, 23.0, 5)
def testPrintIngredtient(self):
author = User(username='******', password='******')
author.save()
cat = Category(name='test')
cat.save()
r = Recipe(category=cat, name_addition='recipe', author=author)
r.save()
a = Product(category=cat,
name_addition='a',
author=author,
reference_amount=100.0,
calories=100.0)
a.protein = 30.0
a.save()
i = Ingredient(recipe=r, amount=10.0)
i.food = a
self.assertEqual(str(i), "10.0g of test: a")