client.rb

require "rubygems"
require "rack/client"
require "rack/contrib"


puts "PUT'ing /store/fruit (with strawberry)"
puts
Rack::Client.put "http://localhost:9292/store/fruit", "strawberry"

puts "GET'ing /store/fruit"
response = Rack::Client.get "http://localhost:9292/store/fruit"
puts ">> status: #{response.status}"
puts ">> body: #{response.body.inspect}"
puts





































puts "PUT'ing /store/json (with {\"rack\" => [1, 3, 3, 7]})"
puts
Rack::Client.put "http://localhost:9292/store/json", "{\"rack\" => [1, 3, 3, 7]}"

puts "GET'ing /store/json"
response = Rack::Client.new do
  use Rack::PostBodyContentTypeParser
end.get "http://localhost:9292/store/json"
puts ">> status: #{response.status}"
puts ">> body: #{response.body}"
puts





puts "DELETE'ing /store"
Rack::Client.delete("http://localhost:9292/store")

config.ru

require "demo"
require "rubygems"
require "rack"

run Demo::App

demo.rb

require "rubygems"
require "rack"
require "sinatra"
require "redis"

module Demo
  Store = Redis.new

  class App < Sinatra::Base
    get "/store/:id" do
      if item = Store.get(params[:id])
        item
      else
        status 404
        ""
      end
    end

    put "/store/:id" do
      Store.set params[:id], request.body.read
    end

    delete "/store" do
      Store.flush_db
      ""
    end

    delete "/store/:id" do
      Store.delete params[:id]
    end
  end
end

demo_spec.rb

require "demo"
require "rubygems"
require "rack"
require "rack/test"
# require "rack/client"

describe Demo, "/store resource" do
  include Rack::Test::Methods
  def app
    Demo::App.new
    # Rack::Client.new
  end
  before(:all) { delete "http://localhost:9292/store" }  
  after { delete "http://localhost:9292/store" }

  it "should return a 404 if a resource does not exist" do
    get "http://localhost:9292/store/does-not-exist"
    last_response.status.should == 404
    last_response.body.should be_empty
  end

  it "should be able to store and retrieve invididual items" do
    put "http://localhost:9292/store/fruit", "strawberry"
    put "http://localhost:9292/store/car", "lotus"
    get "http://localhost:9292/store/fruit"
    last_response.status.should == 200
    last_response.body.should == "strawberry"
    get "http://localhost:9292/store/car"
    last_response.status.should == 200    
    last_response.body.should == "lotus"        
  end

  it "should be able to clear the store of all items" do
    put "http://localhost:9292/store/fruit", "strawberry"
    put "http://localhost:9292/store/car", "lotus"
    delete "http://localhost:9292/store"
    get "http://localhost:9292/store/fruit"
    last_response.status.should == 404
    last_response.body.should be_empty
    get "http://localhost:9292/store/car"
    last_response.status.should == 404
    last_response.body.should be_empty
  end

  it "should be able to clear the store of an invididual item" do
    put "http://localhost:9292/store/fruit", "strawberry"
    delete "http://localhost:9292/store/fruit"
    get "http://localhost:9292/store/fruit"
    last_response.status.should == 404
    last_response.body.should be_empty
  end
end