Finished first cut of the User model

Gemfile

@@ -5,6 +5,7 @@ gem 'sqlite3', '1.3.3'
 
 group :development do
   gem 'rspec-rails', '2.6.1'
+  gem 'annotate', '2.4.0'
 end
 
 group :test do

Gemfile.lock

@@ -28,6 +28,7 @@ GEM
       activemodel (= 3.0.9)
       activesupport (= 3.0.9)
     activesupport (3.0.9)
+    annotate (2.4.0)
     arel (2.0.10)
     builder (2.1.2)
     diff-lcs (1.1.3)
@@ -91,6 +92,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  annotate (= 2.4.0)
   rails (= 3.0.9)
   rspec-rails (= 2.6.1)
   sqlite3 (= 1.3.3)

app/controllers/users_controller.rb

@@ -1,5 +1,9 @@
 class UsersController < ApplicationController
 
+  def show
+    @user = User.find(params[:id])
+  end
+
   def new
     @title = "Sign up"
   end

app/models/user.rb

@@ -0,0 +1,25 @@
+# == Schema Information
+#
+# Table name: users
+#
+#  id         :integer         not null, primary key
+#  name       :string(255)
+#  email      :string(255)
+#  created_at :datetime
+#  updated_at :datetime
+#
+
+class User < ActiveRecord::Base
+  attr_accessible :name, :email
+
+  email_regex = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
+
+  validates :name,  :presence => true,
+                    :length   => { :maximum => 50 }
+
+  validates :email, :presence   => true,
+                    :format     => { :with => email_regex },
+                    :uniqueness => { :case_sensitive => false }
+
+end
+

app/views/layouts/application.html.erb

@@ -12,6 +12,7 @@
         <%= yield %>
       </section>
       <%= render 'layouts/footer' %>
+      <%= debug(params) if Rails.env.development? %>
     </div>
   </body>
 </html>

app/views/users/show.html.erb

@@ -0,0 +1 @@
+<%= @user.name %>, <%= @user.email %>

bin/annotate

@@ -0,0 +1,16 @@
+#!/usr/bin/env ruby
+#
+# This file was generated by Bundler.
+#
+# The application 'annotate' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require 'pathname'
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+require 'rubygems'
+require 'bundler/setup'
+
+load Gem.bin_path('annotate', 'annotate')

config/routes.rb

@@ -1,6 +1,6 @@
 SampleApp::Application.routes.draw do
 
-  get "users/new"
+  resources :users
 
   match '/signup',  :to => 'users#new'
   match '/contact', :to => 'pages#contact'
@@ -9,13 +9,6 @@
 
   root :to => 'pages#home'
 
-  get "pages/home"
-
-  get "pages/contact"
-
-  get "pages/about"
-
-  get "pages/help"
 
   # The priority is based upon order of creation:
   # first created -> highest priority.

db/migrate/20110925035149_create_users.rb

@@ -0,0 +1,14 @@
+class CreateUsers < ActiveRecord::Migration
+  def self.up
+    create_table :users do |t|
+      t.string :name
+      t.string :email
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :users
+  end
+end

db/migrate/20110925120839_add_email_uniqueness_index.rb

@@ -0,0 +1,9 @@
+class AddEmailUniquenessIndex < ActiveRecord::Migration
+  def self.up
+    add_index :users, :email, :unique => true
+  end
+
+  def self.down
+    remove_index :users, :email
+  end
+end

db/schema.rb

@@ -10,6 +10,13 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 0) do
+ActiveRecord::Schema.define(:version => 20110925035149) do
+
+  create_table "users", :force => true do |t|
+    t.string   "name"
+    t.string   "email"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
 
 end

spec/models/user_spec.rb

@@ -0,0 +1,70 @@
+# == Schema Information
+#
+# Table name: users
+#
+#  id         :integer         not null, primary key
+#  name       :string(255)
+#  email      :string(255)
+#  created_at :datetime
+#  updated_at :datetime
+#
+
+require 'spec_helper'
+
+describe User do
+
+  before(:each) do
+    @attr = { :name => "Example User", :email => "[email protected]" }
+  end
+
+  it "should create a new instance given valid attributes" do
+    User.create!(@attr)
+  end
+
+  it "should require a name" do
+    no_name_user = User.new(@attr.merge(:name => ""))
+    no_name_user.should_not be_valid
+  end
+
+  it "should require an email address" do
+    no_email_user = User.new(@attr.merge(:email => ""))
+    no_email_user.should_not be_valid
+  end
+
+  it "should reject names that are too long" do
+    long_name = "a" * 51
+    long_name_user = User.new(@attr.merge(:name => long_name))
+    long_name_user.should_not be_valid
+  end
+
+    it "should accept valid email addresses" do
+    addresses = %w[[email protected] [email protected] [email protected]]
+    addresses.each do |address|
+      valid_email_user = User.new(@attr.merge(:email => address))
+      valid_email_user.should be_valid
+    end
+  end
+
+  it "should reject invalid email addresses" do
+    addresses = %w[user@foo,com user_at_foo.org example.user@foo.]
+    addresses.each do |address|
+      invalid_email_user = User.new(@attr.merge(:email => address))
+      invalid_email_user.should_not be_valid
+    end
+  end
+
+  it "should reject duplicate email addresses" do
+    # Put a user with given email address into the database.
+    User.create!(@attr)
+    user_with_duplicate_email = User.new(@attr)
+    user_with_duplicate_email.should_not be_valid
+  end
+
+  it "should reject email addresses identical up to case" do
+    upcased_email = @attr[:email].upcase
+    User.create!(@attr.merge(:email => upcased_email))
+    user_with_duplicate_email = User.new(@attr)
+    user_with_duplicate_email.should_not be_valid
+  end
+
+end

spec/requests/layout_links_spec.rb

@@ -27,4 +27,18 @@
     response.should have_selector('title', :content => "Sign up")
    end
 
+   it "should have the right links on the layout" do
+    visit root_path
+    click_link "About"
+    response.should have_selector('title', :content => "About")
+    click_link "Help"
+    response.should # fill in
+    click_link "Contact"
+    response.should # fill in
+    click_link "Home"
+    response.should # fill in
+    click_link "Sign up now!"
+    response.should # fill in
+  end
+
 end

webrat.log

@@ -0,0 +1,7 @@
+# Logfile created on 2011-09-24 23:13:40 -0400 by logger.rb/25413
+REQUESTING PAGE: GET / with {} and HTTP headers {}
+REQUESTING PAGE: GET /about with {} and HTTP headers {"HTTP_REFERER"=>"/"}
+REQUESTING PAGE: GET /help with {} and HTTP headers {"HTTP_REFERER"=>"/about"}
+REQUESTING PAGE: GET /contact with {} and HTTP headers {"HTTP_REFERER"=>"/help"}
+REQUESTING PAGE: GET / with {} and HTTP headers {"HTTP_REFERER"=>"/contact"}
+REQUESTING PAGE: GET /signup with {} and HTTP headers {"HTTP_REFERER"=>"/"}