def test_product(self): category = Category.objects.create(cat="pizzas") self.assertEqual(category.cat, "pizzas") product = Products.objects.create( id_code=2344393, food_name="pizzas", nutrition_grade="a", image_url="www.oeoeieoirie.com", food_link="www.didjdijddj.com", image_nutrition_url="www.oeoeouou.fr") categ = Category.objects.get(cat=category.cat) product.category.add(categ) product.save() self.assertEqual(product.id_code, 2344393) self.assertEqual(product.food_name, "pizzas") self.assertEqual(product.nutrition_grade, "a") self.assertEqual(product.image_url, "www.oeoeieoirie.com") self.assertEqual(product.food_link, "www.didjdijddj.com") self.assertEqual(product.image_nutrition_url, "www.oeoeouou.fr") cate = product.category.all() cate2 = str(cate[0]) self.assertEqual(cate2, "pizzas") self.assertEqual(product.food_name, Products.__str__(product)) self.assertEqual(category.cat, Category.__str__(category))