recipe_spec.rb

require 'rails_helper'

RSpec.describe Recipe, :type => :model do
  
  context 'validations' do
    it 'should validate name' do
      recipe = FactoryGirl.build_stubbed(:recipe)
      
      expect(recipe).to be_valid

      recipe.name = nil
      
      expect(recipe).to be_invalid
    end

    it 'should validate ingredients' do
      recipe = FactoryGirl.build_stubbed(:recipe)
      
      expect(recipe).to be_valid

      recipe.ingredients = nil
      
      expect(recipe).to be_invalid
    end

    it 'should validate directions' do
      recipe = FactoryGirl.build_stubbed(:recipe)
      
      expect(recipe).to be_valid

      recipe.directions = nil
      
      expect(recipe).to be_invalid
    end
  end
  
  context 'instance methods' do

    it 'should return web preview from ImageUploader' do
      recipe = FactoryGirl.create(:recipe_with_image)
      
      url = recipe.list_image
      
      expect(url.include?('web_preview')).to eq true
    end

    it 'should return an array' do
      recipe = FactoryGirl.build_stubbed(:recipe_with_ingredients)
      
      ings = recipe.ingredients_list
      
      expect(ings.is_a?(Array)).to eq true
    end

  end

end