nathanhumbert

##Open Source multiplies New Relic awesomeness Nathan Humbert

Senior Software Engineer, New Relic

Presented on July 23 at OSCON 2014

##Links From the talk

nathanhumbert

class MyApp < Sinatra::Base
  get '/' do
    'Hello world!'
  end
end

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require 'rubygems'
require 'bundler'

Bundler.require

require './myapp'

run MyApp

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source :rubygems
gem 'sinatra'

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require 'test_helper'

class CachedMetarTest < ActiveSupport::TestCase

  context 'self.metar' do
    should 'call get_metar when cache is empty' do
      Rails.cache.delete('cached_metar_test_icao')
      CurrentMetar::Metar.expects(:get_metar).with('test_icao').returns('test')
      assert_equal 'test', CachedMetar.metar('test_icao')
    end

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class CachedMetar
  def self.metar(icao)
    Rails.cache.fetch("cached_metar_#{icao}", :expires_in => 5.minutes) do
      CurrentMetar::Metar.get_metar(icao)
    end
  end
end

nathanhumbert

$(document).ready(function() {
  var latlng = new google.maps.LatLng(39.98, -98.26);
  var myOptions = {
    zoom: 4,
    center: latlng,
    mapTypeId: google.maps.MapTypeId.HYBRID
  };
  var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
  var infowindow = new google.maps.InfoWindow({content: ''});

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<div class='field'> 
  <h3><a href="http://www.checkthesock.com/fields/walla-walla-valley-proptwisters">Walla Walla Valley Proptwisters</a></h3> 
  <p>Walla Walla, WA</p> 
  <p> 
    Coordinates:
    <span class='lat'>46.04959</span> 
    <span class='lon'>-118.363727</span> 
  </p> 
</div>

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context "create user" do
  setup { post :create, :user => {:username => "foo"} }
  should assign_to( :user ).with_kind_of(User)
  should "save user to database" do
    assert_equal false, assigns(:user).new_record?
  end
end

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should "create user" do
  assert_difference('User.count') do
    post :create, :user => {:username => "foo"}
  end
end