5 Favorite Gems (Lightning Talk(

GEMSThursday, February 7, 13

@markbates

Thursday, February 7, 13


http://www.metacasts.tv

PROJNIGHT213




http://www.metacasts.tvPROJNIGHT213

1. Konacha





JavaScript/CoffeeScripttesting for Rails





describe "Calculator", -‐> beforeEach -‐> @calculator = new Calculator() context "add", -‐> it "adds two numbers", -‐> @calculator.add(2, 2).should.eql(4) context "null numbers", -‐> it "throws an exception", -‐> expect(=> @calculator.add(1, null) ).to.throw(NullNumberError)

describe("Calculator", function() { beforeEach(function() { this.calculator = new Calculator(); }); context("add", function() { it("adds two numbers", function() { this.calculator.add(2, 2).should.eql(4); }); context("null numbers", function() { it("throws an exception", function() { var _this = this; expect(function() { _this.calculator.add(1, null); }).to["throw"](NullNumberError); }); }); }); });

CoffeeScript JavaScript





https://github.com/jfirebaugh/konacha

http://visionmedia.github.com/mocha/

http://chaijs.com/

More Info

http://www.metacasts.tv/casts/unit-testing-javascript-in-rails





2. SideKiq





Super fast background workers





class MyWorker include Sidekiq::Worker sidekiq_options unique: true def perform(some_attributes) # do some work here end end MyWorker.perform_async(some_attributes)









http://sidekiq.org/

https://github.com/mperham/sidekiq

More Info





3. SunSpot





Simple full-textsearch using Solr





class Post < ActiveRecord::Base searchable do text :title, :body text :comments do comments.map { |comment| comment.body } end integer :blog_id integer :author_id integer :category_ids, multiple: true time :published_at string :sort_title do title.downcase.gsub(/^(an?|the)\b/, '') end endend

Post.search do fulltext 'best pizza' with :blog_id, 1 with(:published_at).less_than Time.now order_by :published_at, :desc paginate page: 2, per_page: 15 facet :category_ids, :author_idend





http://sunspot.github.com/

https://github.com/sunspot/sunspot

More Info

http://lucene.apache.org/solr/





4. Sinatra





A DSL for quickly creating Ruby Web Apps





require 'sinatra' get '/' do 'Hello world!'end





require 'sinatra' get '/' do erb :indexend __END__ @@ index<div>Hello World!</div>





require 'sinatra/base'require './todo'require 'sinatra/twitter-‐bootstrap'require './url_helpers' class TodoApp < Sinatra::Base register Sinatra::Twitter::Bootstrap::Assets helpers UrlHelpers get "/todos" do @todos = Todo.all erb :index end get "/todos/new" do @todo = Todo.new erb :form end get "/todos/:id" do @todo = Todo.find(params[:id]) redirect edit_todo_path(@todo) end get "/todos/:id/edit" do @todo = Todo.find(params[:id]) erb :form end post "/todos" do Todo.create(params[:todo]) redirect todos_path end put "/todos/:id" do @todo = Todo.find(params[:id]) @todo.update_attributes(params[:todo]) redirect todos_path end delete "/todos/:id" do @todo = Todo.find(params[:id]) @todo.destroy redirect todos_path end end use Rack::MethodOverriderun TodoApp





http://www.sinatrarb.com/

http://www.metacasts.tv/casts/building-a-sinatra-application-pt-1

http://www.metacasts.tv/casts/building-a-sinatra-application-pt-2

More Info

http://www.metacasts.tv/casts/gettings-started-with-sinatra

https://github.com/sinatra/sinatra





5. Foreman





Manage ApplicationCommands





web: bundle exec thin start -‐p 3000solr: bundle exec rake sunspot:solr:runworker: bundle exec sidekiq





https://github.com/ddollar/foreman

More Info




@markbates


5 Favorite Gems (Lightning Talk(

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end end end http

todo end

end end myworker

attributes http

comjrebaughkonacha http

comsunspotsunspot http

commperhamsidekiq http

comsinatrasinatra http