mock server in a separate thread

mock_server_example.rb

require 'goliath'
require 'open-uri'

class Hello < Goliath::API
  @@say = "Hello World"

  # silly mechanism for changing
  # server's response
  def self.say(something)
    @@say = something
  end  

  def response(env)
    [200, {}, @@say]
  end  
end

g = Thread.new { Goliath::Application.run! }

open('http://localhost:9000').read #=> 'Hello World'

Hello.say "Hello Mars"

open('http://localhost:9000').read #=> 'Hello Mars'

👍