tests for controller variable decoration

spec/fake_app/authors/index.html.erb

@@ -0,0 +1,4 @@
+<% @authors.each do |author| %>
+  <%= author.name %>
+  <%= author.reverse_name %>
+<% end %>

spec/fake_app/authors/show.html.erb

@@ -0,0 +1,2 @@
+<%= @author.name %>
+<%= @author.capitalized_name %>

spec/fake_app/fake_app.rb

@@ -29,6 +29,35 @@ class Book < ActiveRecord::Base
 # helpers
 module ApplicationHelper; end
 
+# decorators
+module AuthorDecorator
+  def reverse_name
+    name.reverse
+  end
+
+  def capitalized_name
+    name.capitalize
+  end
+end
+
+# controllers
+class ApplicationController < ActionController::Base
+  self.append_view_path File.dirname(__FILE__)
+end
+class AuthorsController < ApplicationController
+  def index
+    if params[:variable_type] == 'array'
+      @authors = Author.all
+    else
+      @authors = Author.scoped
+    end
+  end
+
+  def show
+    @author = Author.find params[:id]
+  end
+end
+
 # migrations
 class CreateAllTables < ActiveRecord::Migration
   def self.up

spec/requests/controller_ivar_spec.rb

@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+feature 'decorating controller ivar' do
+  background do
+    @matz = Author.create! :name => 'matz'
+    Author.create! :name => 'takahashim'
+  end
+  after do
+    Author.delete_all
+  end
+
+  scenario 'decorating a model object in ivar' do
+    visit "/authors/#{@matz.id}"
+    page.should have_content 'matz'
+    page.should have_content 'matz'.capitalize
+  end
+
+  scenario 'decorating model scope in ivar' do
+    visit '/authors'
+    page.should have_content 'takahashim'
+    page.should have_content 'takahashim'.reverse
+  end
+
+  scenario "decorating models' array in ivar" do
+    visit '/authors?variable_type=array'
+    page.should have_content 'takahashim'
+    page.should have_content 'takahashim'.reverse
+  end
+end