thoughtbot

<% form_for @house_search do |form| %>
  <div>
    <%= form.label :keyword %>
    <%= form.text_field :keyword %>
  </div>
  <div>
    <%= form.label :price %>
    <%= form.select :price, [['20-30', '20-30k']] %>
  </div>
  <div>

thoughtbot

class HouseSearchTest < ActiveSupport::TestCase
  should "produce only houses with the keyword in the description when sent #results for such a search" do
    matching_house = Factory(:house, :description => 'foo')
    nonmatching_house = Factory(:house, :description => 'bar')
    results = HouseSearch.new('keyword' => 'fo').results
    assert_all(results) {|house| house.description =~ /fo/}
  end

  should "produce only houses within the price range when sent #results for such a search" do
    matching_house = Factory(:house, :price => 10)

thoughtbot

class HouseSearchTest < ActiveSupport::TestCase
  should "build a new HouseSearch with the expected params" do
    params = {'keyword' => 'some keyword',
              'price' => '20-30'}
    house_search = HouseSearch.new(params)
    params.each do |field, value|
      assert_equal value, house_search.send(field)
    end
  end

thoughtbot

class HouseSearchesTest < ActionController::TestCase
  should_route :get, '/house_searches',
    :controller => :house_searches,
    :action => :index

  context "GET to index with houses" do
    setup do
      @houses = [Factory.stub(:house), Factory.stub(:house)]
      @search = HouseSearch.new
      HouseSearch.stubs(:new).returns(@search)

thoughtbot

class SlideshowsController < ApplicationController
  before_filter :authenticate, :authorize

  def show
    if file_exists?(file)
      render :file => file
    else
      render :nothing => true, :status => 404 and return false
    end
  end

thoughtbot

slidedown tdd.md --template=import > tdd.html

thoughtbot

!SLIDE

## why automated tests?

![Quizzical puppy](/images/quizzical_puppy.png)

!SLIDE

* prevent regressions
* prove functionality with executable code

thoughtbot

sudo gem install nakajima-slidedown
vim tdd.md

thoughtbot

#bee_button a {background-position: 0 0;}
#bee_button a:hover {background-position: 0 -41px;}
#bee button a:active {background-position: 0 -82px;}

thoughtbot

#bee_button a {
display: block;
text-indent: -5000px;
width: 136px;
height: 41px;
background-image: url(/images/bee_button.png);
background-repeat: no-repeat;
}