Updated gem file for rspec

app/controllers/users_controller.rb

@@ -1,11 +1,22 @@
 class UsersController < ApplicationController
   def new
+    @user = User.new
     @title = "Sign up"
   end
 
   def show
     @user = User.find(params[:id])
     @title = @user.name
   end
+
+  def create
+    @user = User.new(params[:user])
+    if @user.save
+      #Handle a successful save
+    else
+      @title = "Sign up"
+      @render = 'new'
+    end
+  end
 
 end

app/views/shared/_error_messages.html.erb

@@ -0,0 +1,12 @@
+<% if @user.errors.any? %>
+  <div id="error_explanation">
+    <h2><%= pluralize(@user.errors.count, "error") %> 
+        prohibited this user from being saved:</h2>
+    <p>There were problems with the following fields:</p>
+    <ul>
+    <% @user.errors.full_messages.each do |msg| %>
+      <li><%= msg %></li>
+    <% end %>
+    </ul>
+  </div>
+<% end %>

app/views/users/new.html.erb

@@ -1,2 +1,24 @@
-<h1>Users#new</h1>
-<p>Find me in app/views/users/new.html.erb</p>
+<h1>Sign up</h1>
+
+<%= form_for(@user) do |f| %>
+ <%= render 'shared/error_messages' %>
+  <div class="field">
+    <%= f.label :name %><br />
+    <%= f.text_field :name %>
+  </div>
+  <div class="field">
+    <%= f.label :email %><br />
+    <%= f.text_field :email %>
+  </div>
+  <div class="field">
+    <%= f.label :password %><br />
+    <%= f.password_field :password %>
+  </div>
+  <div class="field">
+    <%= f.label :password_confirmation, "Confirmation" %><br />
+    <%= f.password_field :password_confirmation %>
+  </div>
+  <div class="actions">
+    <%= f.submit "Sign up" %>
+  </div>
+<% end %>

public/stylesheets/custom.css

@@ -136,4 +136,50 @@ td.sidebar {
 .profile img.gravatar {
   border: 1px solid #999;
   margin-bottom: -15px;
-}
+}
+
+div.field, div.actions {
+  margin-bottom: 10px;
+}
+
+/*error code */
+.field_with_errors {
+  margin-top: 10px;
+  padding: 2px;
+  background-color: red;
+  display: table;
+}
+
+.field_with_errors label {
+  color: #fff;
+}
+
+#error_explanation {
+  width: 400px;
+  border: 2px solid red;
+  padding: 7px;
+  padding-bottom: 12px;
+  margin-bottom: 20px;
+  background-color: #f0f0f0;
+}
+
+#error_explanation h2 {
+  text-align: left;
+  font-weight: bold;
+  padding: 5px 5px 5px 15px;
+  font-size: 12px;
+  margin: -7px;
+  background-color: #c00;
+  color: #fff;
+}
+
+#error_explanation p {
+  color: #333;
+  margin-bottom: 0;
+  padding: 5px;
+}
+
+#error_explanation ul li {
+  font-size: 12px;
+  list-style: square;
+}

spec/controllers/users_controller_spec.rb

@@ -48,4 +48,32 @@
       response.should have_selector("title", :content => "Sign up")
     end
   end
+
+  describe "POST 'create'" do
+
+      describe "failure" do
+
+        before(:each) do
+          @attr = { :name => "", :email => "", :password => "",
+                    :password_confirmation => "" }
+        end
+
+        it "should not create a user" do
+          lambda do
+            post :create, :user => @attr
+          end.should_not change(User, :count)
+        end
+
+        it "should have the right title" do
+          post :create, :user => @attr
+          response.should have_selector("title", :content => "Sign up")
+        end
+
+        it "should render the 'new' page" do
+          post :create, :user => @attr
+          response.should render_template('new')
+        end
+      end
+  end
+
 end