Тесты, пример

gistfile1.rb

require 'spec_helper'

describe CategoriesController do
  let!(:category) { create :category }
  let!(:not_published_product) { create :product, category: category }
  let!(:product) { create :published_product, category: category, published_at: Time.current - 1.month }
  let!(:new_selected_product) { create :published_product, category: category, selection: create(:selection) }
  let!(:new_product) { create :published_product, category: category, published_without_selection: true }

  context "without current_user" do
    describe 'GET #index' do
      before do
        get :index, category_kind: category.kind
      end

      specify { expect(response).to be_success }
      specify { expect(response).to render_template :index }
      specify { expect(assigns(:products)).not_to include(not_published_product) }
      specify { expect(assigns(:products)).to include(product) }
      specify { expect(assigns(:products)).not_to include(new_selected_product) }
      specify { expect(assigns(:products)).to include(new_product) }
    end

    describe 'GET #show' do
      before do
        get :show, id: category.location
      end

      specify { expect(response).to be_success }
      specify { expect(response).to render_template :index }
      specify { expect(assigns(:products)).not_to include(not_published_product) }
      specify { expect(assigns(:products)).to include(product) }
      specify { expect(assigns(:products)).not_to include(new_selected_product) }
      specify { expect(assigns(:products)).to include(new_product) } 
    end
  end

  context "with logged in user" do
    let!(:user) { create :user }

    before do
      login_as user
      controller.stub(:current_user).and_return user
    end

    describe 'GET #index' do
      before do
        get :index, category_kind: category.kind
      end

      specify { expect(response).to be_success }
      specify { expect(response).to render_template :index }
      specify { expect(assigns(:products)).not_to include(not_published_product) }
      specify { expect(assigns(:products)).to include(product) }
      specify { expect(assigns(:products)).to include(new_selected_product) }
      specify { expect(assigns(:products)).to include(new_product) } 
    end

    describe 'GET #show' do
      before do
        get :show, id: category.location
      end

      specify { expect(response).to be_success }
      specify { expect(response).to render_template :index }
      specify { expect(assigns(:products)).not_to include(not_published_product) }
      specify { expect(assigns(:products)).to include(product) }
      specify { expect(assigns(:products)).to include(new_selected_product) }
      specify { expect(assigns(:products)).to include(new_product) }  
    end
  end

  context "set sizes" do
    let!(:user) { create :user }

    before do
      login_as user
      controller.stub(:current_user).and_return user
    end

    let!(:cloth) { create :product_modification, product: product, size: 'M' }

    describe 'GET #index' do
      before do
        get :index, category_kind: category.kind, footwear_size: '38', clothes_size: 'M'
      end

      specify { expect(response).to be_success }
      specify { expect(response).to render_template :index }
      specify { expect(assigns(:products)).not_to include(not_published_product) }
      specify { expect(assigns(:products)).to include(product) }
      specify { expect(assigns(:products)).not_to include(new_selected_product) }
      specify { expect(assigns(:products)).not_to include(new_product) } 
    end

    describe 'GET #show' do
      before do
        get :show, id: category.location, footwear_size: '38', clothes_size: 'M'
      end

      specify { expect(response).to be_success }
      specify { expect(response).to render_template :index }
      specify { expect(assigns(:products)).not_to include(not_published_product) }
      specify { expect(assigns(:products)).to include(product) }
      specify { expect(assigns(:products)).not_to include(new_selected_product) }
      specify { expect(assigns(:products)).not_to include(new_product) }  
    end 
  end
end