def test_relationships(self):
food1 = FoodItem(name='food1',
img_url="",
nf_calories=Decimal(1),
nf_total_fat=Decimal(2),
nf_cholesterol=Decimal(3),
nf_saturated_fat=Decimal(4),
nf_sodium=Decimal(5),
nf_total_carbohydrate=Decimal(6),
nf_dietary_fiber=Decimal(7),
nf_sugars=Decimal(8),
nf_protein=Decimal(9))
food2 = FoodItem(name='food2',
img_url="",
nf_calories=Decimal(11),
nf_total_fat=Decimal(12),
nf_cholesterol=Decimal(13),
nf_saturated_fat=Decimal(14),
nf_sodium=Decimal(15),
nf_total_carbohydrate=Decimal(16),
nf_dietary_fiber=Decimal(17),
nf_sugars=Decimal(18),
nf_protein=Decimal(19))
cart1 = Cart()
cart2 = Cart()
user1 = User(email="*****@*****.**",username="******",password="******")
user2 = User(email="*****@*****.**",username="******",password="******")
food1.cart = cart1
cart1.user = user1
food2.cart = cart2
cart2.user = user2
# check relationships
self.assertTrue(food1.cart == cart1)
self.assertTrue(cart1.user == user1)
self.assertTrue(food2.cart == cart2)
self.assertTrue(cart2.user == user2)
# test relationships are showed in __repr__
self.assertTrue(food1.__repr__() == 'food1 in Cart of <User one>')
self.assertTrue(cart1.__repr__() == 'Cart of <User one>')
self.assertTrue(user1.__repr__() == '<User one>')
