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class CommentCreator
  #...

  def perform
    ThreadParticipantsNotifier.new(@comment).notify

    if comment.previous_comment?
      in_reply_to_user = comment.previous_comment.author
      ReplyMailer.notification(in_reply_to_user, comment).deliver
    end

marclove

class CommentsController
  def create
    comment = Comment.new(params[:comment])
    @comment = CommentCreator.new(comment).create!
    respond_with @comment
  end
end

class CommentCreator
  def initialize(comment)

marclove

class CommentsController
  def create  
    @comment = Comment.create(params[:comment])  
    CommentCreatedWorker.perform_async(@comment.id)  
    respond_with @comment  
  end  
end

class CommentCreatedWorker  
  include Sidekiq::Worker

marclove

class CommentsController
  def create
    @comment = Comment.create(params[:comment])
    if @comment.previous_comment?
      reply_to_user = comment.previous_comment.author
      CommentCreatedWorker.perform_async(@comment.id, reply_to_user.id)
    end
    respond_with @comment
  end
end

marclove

#Setting up your project on CircleCI

CircleCI Docs

Configuring CircleCI with Circle.yml

CircleCI's Test Environment

Initial Setup

marclove

# Steps to implement:
#   1. Ensure you're using >= coffeescript-1.6.1
#
#   2. Put this file in an initializer.
#
#   3. Edit an environment's config to turn on source maps:
#
#      `config.assets.sourcemaps = true`
#
#   4. Add /public/sourcemaps to your .gitignore

marclove

Ruby, RVM and Mountain Lion

Key problems

Mountain Lion (10.8) has three main difference compared to Lion (10.7):

• XCode 4.4 does not install Command Line Tools by default
• X11 isn't available anymore
• The installed version of OpenSSL has some bugs

How to work around

marclove

<!-- Add the following lines to theme's html code right before </head> -->
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script>
<script src="http://static.tumblr.com/fpifyru/VCxlv9xwi/writecapture.js"></script>
<script src="http://static.tumblr.com/fpifyru/AKFlv9zdu/embedgist.js"></script>

<!--
  Usage: just add <div class="gist">[gist URL]</div>
  Example: <div class="gist">https://gist.github.com/1395926</div>
-->

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# Will accept either a Hash or a JSON string as the expected value. Use it like this:
#
# @response.body.should be_json({:my => {:expected => ["json","hash"]}})
# @response.body.should be_json('{"my":{"expected":["json","hash"]}}')

RSpec::Matchers.define :be_json do |expected|
  match do |actual|
    actual = ActiveSupport::JSON.decode(actual).with_indifferent_access
    expected = ActiveSupport::JSON.decode(expected) unless expected.is_a?(Hash)
    expected = expected.with_indifferent_access

marclove

guard 'rspec', :version => 2 do
  watch(%r{^spec/.+_spec\.rb$})
  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
  watch('spec/spec_helper.rb')  { "spec" }

  # Rails example
  watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
  watch(%r{^app/(.*)(\.erb|\.haml)$})                 { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
  watch(%r{^app/controllers/(.+)_(controller)\.rb$})  { |m| ["spec/routing/#{m[1]}_routing_spec.rb", "spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb", "spec/acceptance/#{m[1]}_spec.rb"] }
  watch(%r{^spec/support/(.+)\.rb$})                  { "spec" }