require 'rails_helper' RSpec.describe NutritionData, type: :model do let(:rec1_ingredients) do [ RecipeIngredient.new({ quantity: '100', units: 'g', sort_order: 1, food: create(:food, kcal: 10, protein: 2) }), RecipeIngredient.new({ quantity: '100', units: 'g', sort_order: 2, food: create(:food, kcal: 10, lipids: 2) }) ] end let(:recipe1) do create(:recipe, yields: '500 g').tap do |r| r.recipe_ingredients = rec1_ingredients end end let(:rec2_ingredients) do [ RecipeIngredient.new({ quantity: '100', units: 'g', sort_order: 1, recipe_as_ingredient: recipe1 }), RecipeIngredient.new({ quantity: '100', units: 'g', sort_order: 2, food: create(:food, kcal: 10, lipids: 2) }) ] end let(:recipe2) do create(:recipe, yields: '500 g').tap do |r| r.recipe_ingredients = rec2_ingredients end end it 'runs' do n = recipe2.nutrition_data end end