tests for partial variables decoration

spec/fake_app/authors/index.html.erb

@@ -1,4 +1,16 @@
 <% @authors.each do |author| %>
   <%= author.name %>
   <%= author.reverse_name %>
+
+  <% if params[:partial] == 'collection' %>
+    <%= render author.books %>
+  <% elsif params[:partial] == 'locals' %>
+    <% author.books.each do |book| %>
+      <%= render :partial => 'books/book_locals', :locals => {:b => book} %>
+    <% end %>
+  <% else %>
+    <% author.books.each do |book| %>
+      <%= render book %>
+    <% end %>
+  <% end %>
 <% end %>

spec/fake_app/books/_book.html.erb

@@ -0,0 +1,2 @@
+<%= book.title %>
+<%= book.reverse_title %>

spec/fake_app/books/_book_locals.html.erb

@@ -0,0 +1,2 @@
+<%= b.title %>
+<%= b.upcased_title %>

spec/fake_app/fake_app.rb

@@ -39,6 +39,15 @@ def capitalized_name
     name.capitalize
   end
 end
+module BookDecorator
+  def reverse_title
+    title.reverse
+  end
+
+  def upcased_title
+    title.upcase
+  end
+end
 
 # controllers
 class ApplicationController < ActionController::Base

spec/requests/partial_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+feature 'decorating partial object' do
+  background do
+    Author.create! :name => 'aamine'
+    nari = Author.create! :name => 'nari'
+    nari.books.create! :title => 'the gc book'
+  end
+  after do
+    Book.delete_all
+    Author.delete_all
+  end
+
+  scenario 'decorating implicit @object' do
+    visit '/authors'
+    page.should have_content 'the gc book'
+    page.should have_content 'the gc book'.reverse
+  end
+
+  scenario 'decorating implicit @collection' do
+    visit '/authors?partial=collection'
+    page.should have_content 'the gc book'
+    page.should have_content 'the gc book'.reverse
+  end
+
+  scenario 'decorating objects in @locals' do
+    visit '/authors?partial=locals'
+    page.should have_content 'the gc book'
+    page.should have_content 'the gc book'.upcase
+  end
+end