# Rails 4.2 -> 5.0 アップグレード
## gem update

Gemfile

    gem 'rails', '5.0.0.1'

> $ bundle update


## config アップデート

> $ bundle exec rails app:update

- ファイル追加

config/initializers/locale.rb

    # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
    # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
    # config.i18n.default_locale = :de
    Rails.application.config.i18n.load_path += Dir[Rails.root.join('config', 'locales', '*.{rb,yml}').to_s]
    Rails.application.config.i18n.default_locale = :ja

config/initializers/slim_engine.rb

    # Indent html for pretty debugging
    Slim::Engine.set_options pretty: true

## spec
### spec support
spec/support/request_macros.rb

    module RequestMacros
      def request_login_user
        before(:each) do
          @loginuser = FactoryGirl.create(:login_user)
          post user_session_path, params: { user: {email: @loginuser.email, password: @loginuser.password } }
          follow_redirect!
        end
      end

      def request_admin_user
        before(:each) do
          @loginuser = FactoryGirl.create(:login_user)
          post user_session_path, params: { user: {email: @loginuser.email, password: @loginuser.password } }
          follow_redirect!
        end
      end
    end

### controller spec
Gemfile

    gem 'rails-controller-testing'

spec/controllers

    # get :show, params: { id: 1 }, session: { user_id: 1 }
    process :update, method: :post, params: { id: 1 }

## db migrate

> $ bundle exec rails db:migrate

migrate files

    class DeviseCreateUsers < ActiveRecord::Migration[5.0]