require 'rails_helper'

describe Product do

    before do
      @product = Product.create!(name: "race bike", description: "blabla bla", image_url: "test.de/test", price: 100, colour: "white")
      @user = User.create!(email: "test@test.de", password: "testtest")
      @product.comments.create!(rating: 1, user: @user, body: "Awful bike!")
      @product.comments.create!(rating: 3, user: @user, body: "Okay bike!")
      @product.comments.create!(rating: 5, user: @user, body: "Awsome bike!")
    end

    it "returns the average rating of all comments" do
        expect(@product.average_rating).to eq 3
    end

    it "is not valid" do
        expect(Product.new(description: "Nice bike")).not_to be_valid
    end

end