Refactoring of http://dev.yukashikado.co.jp/post/56232324090/rails-ec-spree

gistfile1.rb

require 'spec_helper'

describe Spree::Product do
  let(:product) {FactoryGirl.create(:product)}
  let(:variant) {product.master}

  describe '#no_expires' do
    let(:expired_products) {Spree::Product.no_expires}

    before do
      variant.expired_at = expired_at
      variant.save!
    end

    context "when product is expired" do
      let(:expired_at) { 1.month.ago }

      it "should be empty" do
        expect(expired_products).to be_empty
      end
    end

    context "when product is not expired" do
      let(:expired_at) { 1.month.from_now }

      it "should be have 1 item" do
        expect(expired_products).to have(1).item
      end
    end

    context "when expired_at is not set" do
      let(:expired_at) { nil }

      it "should be have 1 item" do
        expect(expired_products).to have(1).item
      end
    end
  end
end