danvine

var API_KEY = "XXX";
var SECRET_KEY = "XXX";
var crypto = require('crypto');

var url2png = function() {
	this.generateLink = function(url) {
		var options = "?url="+url + "&viewport=1480x1037&thumbnail_max_width=500";
		var token = crypto.createHash('md5').update(options + SECRET_KEY).digest('hex');

		return "http://api.url2png.com/v6/"+API_KEY+"/"+token+"/png/"+options;

danvine

# Runs a specified shell command in a separate thread.
# If it exceeds the given timeout in seconds, kills it.
# Returns any output produced by the command (stdout or stderr) as a String.
# Uses Kernel.select to wait up to the tick length (in seconds) between 
# checks on the command's status
#
# If you've got a cleaner way of doing this, I'd be interested to see it.
# If you think you can do it with Ruby's Timeout module, think again.
def run_with_timeout(command, timeout, tick)
  output = ''

danvine

  def generate_secure_s3_url(s3_key)
    #
    # s3_key would be a path (including filename) to the file like:  "folder/subfolder/filename.jpg"
    # but it should NOT contain the bucket name or a leading forward-slash
    #
    # this was built using these instructions:
    # http://docs.amazonwebservices.com/AmazonS3/latest/dev/index.html?S3_QSAuth.html
    # http://aws.amazon.com/code/199?_encoding=UTF8&jiveRedirect=1
    
    s3_base_url       = MyApp::Application::S3_BASE_URL # i.e. https://mybucket.s3.amazonaws.com

danvine

# A sample Gemfile
source "http://rubygems.org"

 gem "redis"
 gem 'eventmachine', :git => 'git://github.com/eventmachine/eventmachine.git'
 gem "em-hiredis"
 # gem "em-synchrony"
 gem "em-websocket"

danvine

source :rubygems

gem 'sinatra'
gem 'json'
gem 'omniauth'
gem 'omniauth-oauth2'
gem 'omniauth-github'
# gem 'omniauth-att', :path => File.expand_path("./../../omniauth-att", __FILE__)

gem 'thin'

danvine

Running redis using upstart on Ubuntu

I've been trying to understand how to setup systems from the ground up on Ubuntu. I just installed redis onto the box and here's how I did it and some things to look out for.

To install:

danvine

# normal Gem dependancy declarations
# ...

group :test, :cucumber do
  gem 'pdf-reader'
end

danvine

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

danvine

#!/usr/bin/env ruby

require 'em-proxy'

Proxy.start(:host => "0.0.0.0", :port => 9201, :debug => false) do |conn|
  conn.server :srv, :host => "127.0.0.1", :port => 9200

  conn.on_data do |data|
    puts data
    data

danvine

# Have you ever had to sleep() in Capybara-WebKit to wait for AJAX and/or CSS animations?

describe 'Modal' do
  
  should 'display login errors' do
    visit root_path
    click_link 'My HomeMarks'
    within '#login_area' do
      fill_in 'email', with: 'will@not.work'
      fill_in 'password', with: 'test'