Ran scaffold for friendships.

app/controllers/friendships_controller.rb

@@ -0,0 +1,85 @@
+class FriendshipsController < ApplicationController
+  # GET /friendships
+  # GET /friendships.xml
+  def index
+    @friendships = Friendship.all
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.xml  { render :xml => @friendships }
+    end
+  end
+
+  # GET /friendships/1
+  # GET /friendships/1.xml
+  def show
+    @friendship = Friendship.find(params[:id])
+
+    respond_to do |format|
+      format.html # show.html.erb
+      format.xml  { render :xml => @friendship }
+    end
+  end
+
+  # GET /friendships/new
+  # GET /friendships/new.xml
+  def new
+    @friendship = Friendship.new
+
+    respond_to do |format|
+      format.html # new.html.erb
+      format.xml  { render :xml => @friendship }
+    end
+  end
+
+  # GET /friendships/1/edit
+  def edit
+    @friendship = Friendship.find(params[:id])
+  end
+
+  # POST /friendships
+  # POST /friendships.xml
+  def create
+    @friendship = Friendship.new(params[:friendship])
+
+    respond_to do |format|
+      if @friendship.save
+        flash[:notice] = 'Friendship was successfully created.'
+        format.html { redirect_to(@friendship) }
+        format.xml  { render :xml => @friendship, :status => :created, :location => @friendship }
+      else
+        format.html { render :action => "new" }
+        format.xml  { render :xml => @friendship.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # PUT /friendships/1
+  # PUT /friendships/1.xml
+  def update
+    @friendship = Friendship.find(params[:id])
+
+    respond_to do |format|
+      if @friendship.update_attributes(params[:friendship])
+        flash[:notice] = 'Friendship was successfully updated.'
+        format.html { redirect_to(@friendship) }
+        format.xml  { head :ok }
+      else
+        format.html { render :action => "edit" }
+        format.xml  { render :xml => @friendship.errors, :status => :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /friendships/1
+  # DELETE /friendships/1.xml
+  def destroy
+    @friendship = Friendship.find(params[:id])
+    @friendship.destroy
+
+    respond_to do |format|
+      format.html { redirect_to(friendships_url) }
+      format.xml  { head :ok }
+    end
+  end
+end

app/helpers/friendships_helper.rb

@@ -0,0 +1,2 @@
+module FriendshipsHelper
+end

app/models/friendship.rb

@@ -0,0 +1,2 @@
+class Friendship < ActiveRecord::Base
+end

app/views/friendships/edit.html.erb

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+<h1>Editing friendship</h1>
+
+<% form_for(@friendship) do |f| %>
+  <%= f.error_messages %>
+
+  <p>
+    <%= f.label :user_id %><br />
+    <%= f.text_field :user_id %>
+  </p>
+  <p>
+    <%= f.label :friend_id %><br />
+    <%= f.text_field :friend_id %>
+  </p>
+  <p>
+    <%= f.submit 'Update' %>
+  </p>
+<% end %>
+
+<%= link_to 'Show', @friendship %> |
+<%= link_to 'Back', friendships_path %>

app/views/friendships/index.html.erb

@@ -0,0 +1,22 @@
+<h1>Listing friendships</h1>
+
+<table>
+  <tr>
+    <th>User</th>
+    <th>Friend</th>
+  </tr>
+
+<% @friendships.each do |friendship| %>
+  <tr>
+    <td><%=h friendship.user_id %></td>
+    <td><%=h friendship.friend_id %></td>
+    <td><%= link_to 'Show', friendship %></td>
+    <td><%= link_to 'Edit', edit_friendship_path(friendship) %></td>
+    <td><%= link_to 'Destroy', friendship, :confirm => 'Are you sure?', :method => :delete %></td>
+  </tr>
+<% end %>
+</table>
+
+<br />
+
+<%= link_to 'New friendship', new_friendship_path %>

app/views/friendships/new.html.erb

@@ -0,0 +1,19 @@
+<h1>New friendship</h1>
+
+<% form_for(@friendship) do |f| %>
+  <%= f.error_messages %>
+
+  <p>
+    <%= f.label :user_id %><br />
+    <%= f.text_field :user_id %>
+  </p>
+  <p>
+    <%= f.label :friend_id %><br />
+    <%= f.text_field :friend_id %>
+  </p>
+  <p>
+    <%= f.submit 'Create' %>
+  </p>
+<% end %>
+
+<%= link_to 'Back', friendships_path %>

app/views/friendships/show.html.erb

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+<p>
+  <b>User:</b>
+  <%=h @friendship.user_id %>
+</p>
+
+<p>
+  <b>Friend:</b>
+  <%=h @friendship.friend_id %>
+</p>
+
+
+<%= link_to 'Edit', edit_friendship_path(@friendship) %> |
+<%= link_to 'Back', friendships_path %>

app/views/layouts/friendships.html.erb

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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+       "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+  <meta http-equiv="content-type" content="text/html;charset=UTF-8" />
+  <title>Friendships: <%= controller.action_name %></title>
+  <%= stylesheet_link_tag 'scaffold' %>
+</head>
+<body>
+
+<p style="color: green"><%= flash[:notice] %></p>
+
+<%= yield %>
+
+</body>
+</html>

config/routes.rb

@@ -1,4 +1,6 @@
 ActionController::Routing::Routes.draw do |map|
+  map.resources :friendships
+
   map.resources :comments
 
   map.resources :shares

db/migrate/20100404051723_create_friendships.rb

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+class CreateFriendships < ActiveRecord::Migration
+  def self.up
+    create_table :friendships do |t|
+      t.integer :user_id
+      t.integer :friend_id
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :friendships
+  end
+end

test/fixtures/friendships.yml

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+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+
+one:
+  user_id: 1
+  friend_id: 1
+
+two:
+  user_id: 1
+  friend_id: 1

test/functional/friendships_controller_test.rb

@@ -0,0 +1,45 @@
+require 'test_helper'
+
+class FriendshipsControllerTest < ActionController::TestCase
+  test "should get index" do
+    get :index
+    assert_response :success
+    assert_not_nil assigns(:friendships)
+  end
+
+  test "should get new" do
+    get :new
+    assert_response :success
+  end
+
+  test "should create friendship" do
+    assert_difference('Friendship.count') do
+      post :create, :friendship => { }
+    end
+
+    assert_redirected_to friendship_path(assigns(:friendship))
+  end
+
+  test "should show friendship" do
+    get :show, :id => friendships(:one).to_param
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get :edit, :id => friendships(:one).to_param
+    assert_response :success
+  end
+
+  test "should update friendship" do
+    put :update, :id => friendships(:one).to_param, :friendship => { }
+    assert_redirected_to friendship_path(assigns(:friendship))
+  end
+
+  test "should destroy friendship" do
+    assert_difference('Friendship.count', -1) do
+      delete :destroy, :id => friendships(:one).to_param
+    end
+
+    assert_redirected_to friendships_path
+  end
+end

test/unit/friendship_test.rb

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+require 'test_helper'
+
+class FriendshipTest < ActiveSupport::TestCase
+  # Replace this with your real tests.
+  test "the truth" do
+    assert true
+  end
+end

test/unit/helpers/friendships_helper_test.rb

@@ -0,0 +1,4 @@
+require 'test_helper'
+
+class FriendshipsHelperTest < ActionView::TestCase
+end