Lance Ennen:

Lance Ennen: - Home tag:www.lanceennen.com,2008:mephisto/ Mephisto Drax 2008-09-02T00:37:52Z byennen tag:www.lanceennen.com,2008-08-29:34 2008-08-29T21:19:00Z 2008-09-02T00:37:52Z Setup Feedburner I have setup a feedburner account, so its easier to read my blog entries. Click on the feed button in the menu! I prefer Netvibes for reading RSS Feeds. Feedburner gives you many options. byennen tag:www.lanceennen.com,2008-08-25:30 2008-08-25T18:57:00Z 2008-08-26T02:26:00Z Custom form with Validations using Rspec and Story Runner

This is a custom Contact form with Validations without ActiveRecord. This works nicely without the use of the database or ActiveRecord model. It's quite easy with a gem called Validatable. To Install: <table class="CodeRay"><tr> <td class="code"><pre>sudo gem install validatable</pre></td> </tr></table> Add to your environment.rb file: <table class="CodeRay"><tr> <td class="code"><pre>require "validatable"</pre></td> </tr></table> <h1>Controller</h1> <table class="CodeRay"> <tr> <td class="code"><pre>class ContactsController < ApplicationController<tt> </tt> layout 'site'<tt> </tt> <tt> </tt> def new<tt> </tt> @title = "Contact"<tt> </tt> @contact = Contact.new <tt> </tt> end<tt> </tt> <tt> </tt> def create<tt> </tt> @title = "Contact" <tt> </tt> @contact = Contact.new params[:contact]<tt> </tt> if @contact.valid?<tt> </tt> @contact.deliver<tt> </tt> flash[:notice] = "Contact Message Sent"<tt> </tt> redirect_to root_url<tt> </tt> else<tt> </tt> render :action => 'new'<tt> </tt> end<tt> </tt> end<tt> </tt> <tt> </tt>end<tt> </tt></pre></td> </tr></table> <h1>Helper</h1> <table class="CodeRay"><tr> <td class="code"><pre>module ContactHelper<tt> </tt> def error_messages_for_attribute(object, attribute)<tt> </tt> if object.errors.on(attribute)<tt> </tt> html = '<ul>'<tt> </tt> object.errors.on(attribute).each do |message|<tt> </tt> html += "<li>" + message + "</li>"<tt> </tt> end<tt> </tt> html += "</ul>"<tt> </tt> end<tt> </tt> end<tt> </tt>end</pre></td> </tr></table> <h1>Model</h1> <table class="CodeRay"><tr> <td class="code"><pre>class Contact<tt> </tt> # self is the class<tt> </tt> include Validatable<tt> </tt> <tt> </tt> attr_accessor :name, :email, :phone, :message<tt> </tt> <tt> </tt> validates_presence_of :name, :message => "Name is required."<tt> </tt> validates_format_of :email, :with => /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i,<tt> </tt> :message => "Email is not valid."<tt> </tt> validates_format_of :phone, :with => /^[0-9]{3,3}-[0-9]{3,3}-[0-9]{4,4}$/,<tt> </tt> :message => "Phone number is not valid (xxx-xxx-xxxx)."<tt> </tt> validates_presence_of :message, :message => "Name is required."<tt> </tt> <tt> </tt> class << self<tt> </tt> alias_method :new_without_params, :new<tt> </tt> def new params ={}<tt> </tt> returning new_without_params do |contact|<tt> </tt> params.each_pair do |key,value|<tt> </tt> contact.send "#{key}=", value<tt> </tt> end<tt> </tt> end<tt> </tt> end<tt> </tt> end<tt> </tt> <tt> </tt> def phone=(phone)<tt> </tt> # self is the object<tt> </tt> @phone = phone.gsub(/[^0-9]/, "").gsub(/^([0-9]{0,3})([0-9]{0,3})([0-9]{0,})$/) do |match|<tt> </tt> tmp = ""<tt> </tt> tmp += $1 if $1.size > 0<tt> </tt> tmp += "-" + $2 if $2.size > 0<tt> </tt> tmp += "-" + $3 if $3.size > 0<tt> </tt> tmp<tt> </tt> end<tt> </tt> end <tt> </tt> <tt> </tt> def deliver<tt> </tt> if valid?<tt> </tt> ContactMailer.deliver_contact(self)<tt> </tt> else<tt> </tt> false<tt> </tt> end<tt> </tt> end<tt> </tt>end<tt> </tt></pre></td> </tr></table> <h1>View</h1> <table class="CodeRay"><tr> <td class="code"><pre><div class="form_row"><tt> </tt> <% form_tag '/contact/create' do %><tt> </tt> <fieldset><tt> </tt> <legend><%= @title %></legend><tt> </tt> <label for="contact_name">Name</label><tt> </tt> <%= text_field :contact, :name %><tt> </tt> <%= error_message_on(@contact, :name) %><tt> </tt><tt> </tt> <label for="contact_email">Email</label><tt> </tt> <%= text_field :contact, :email %><tt> </tt> <%= error_message_on(@contact, :email) %><tt> </tt><tt> </tt> <label for="contact_phone">Phone</label><tt> </tt> <%= text_field :contact, :phone %><tt> </tt> <%= error_message_on(@contact, :phone) %><tt> </tt><tt> </tt> <label for="contact_message">Message</label><tt> </tt> <%= text_field :contact, :message %><tt> </tt> <%= error_message_on(@contact, :message) %><tt> </tt><tt> </tt> <%= submit_tag 'Submit', :class => "submit" %><tt> </tt> </fieldset><tt> </tt> <% end %><tt> </tt></div><tt> </tt></pre></td> </tr></table> <h1>Rspec Controller</h1> <table class="CodeRay"><tr> <td class="code"><pre>require File.dirname(__FILE__) + '/../spec_helper'<tt> </tt><tt> </tt>describe ContactsController do<tt> </tt> def mock_contact(params={})<tt> </tt> params = {:deliver => true, :save => true, :valid? => true}.merge(params)<tt> </tt> @mock_contact ||= mock('contact', params)<tt> </tt> end<tt> </tt> <tt> </tt> describe "on GET to new" do<tt> </tt> it "should expose new contact as @contact" do<tt> </tt> Contact.should_receive(:new).and_return(@contact)<tt> </tt> get :new<tt> </tt> assigns(:contact).should == @contact<tt> </tt> end<tt> </tt> end<tt> </tt><tt> </tt> describe "on POST to create" do<tt> </tt> it "should populate new contact with form data" do<tt> </tt> Contact.should_receive(:new).with({'these' => 'options'}).and_return(mock_contact)<tt> </tt> post :create, :contact => {'these' => 'options'}<tt> </tt> end<tt> </tt><tt> </tt> describe "with valid contact" do<tt> </tt> it "should tell the contact to deliver" do<tt> </tt> Contact.should_receive(:new).and_return(mock_contact(:save => true))<tt> </tt> mock_contact.should_receive(:deliver)<tt> </tt> post :create<tt> </tt> end<tt> </tt> <tt> </tt> it "should notify the user of successful submission" do<tt> </tt> Contact.should_receive(:new).and_return(mock_contact(:save => true))<tt> </tt> post :create<tt> </tt> flash[:notice].should == "Contact Message Sent"<tt> </tt> end<tt> </tt> <tt> </tt> it "should redirect the user to the home page" do<tt> </tt> Contact.should_receive(:new).and_return(mock_contact(:save => true))<tt> </tt> post :create<tt> </tt> response.should redirect_to('/')<tt> </tt> end<tt> </tt> end<tt> </tt> <tt> </tt> describe "with invalid contact" do<tt> </tt> it "should render the new contact form again" do<tt> </tt> Contact.stub!(:new).and_return(mock_contact(:valid? => false)</span