first commit

.gitignore

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+.DS_Store

Gemfile

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+source :rubygems
+
+gem "rack"
+
+gem "rack-test"
+gem 'minitest'

Gemfile.lock

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+GEM
+  remote: http://rubygems.org/
+  specs:
+    minitest (2.6.0)
+    rack (1.3.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  minitest
+  rack

config.ru

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+require 'yui_combot'
+run YUICombot.new

rack_combot.rb

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+class RackCombot
+  @@combinations = {}
+
+  def call(env)
+    qa = env["QUERY_STRING"]
+
+    if @@combinations.has_key? qs
+      combination = @@combinations[qs]
+    else
+      combination = Combination.new(qs.split("&"))
+      @@combinations[qs] = combination
+    end
+
+    [
+      200,
+      {"Content-Type" => "application/javascript"},
+      combination.combine
+    ]
+  end
+
+private
+
+  class Combination
+
+    def initialize(file_names)
+      @file_contents = []
+
+      file_names.each do |file_name|
+        @file_contents << File.open(file_name, 'r') { |f| f.read }
+      end
+
+      @files = files
+    end
+
+    def combine
+      @combo ||= @files.join
+    end
+
+  end
+
+end

test/rack_combot_spec.rb

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+require 'rubygems'
+require 'rack/test'
+require 'minitest/spec'
+require 'minitest/autorun'
+require File.expand_path(File.dirname(__FILE__) + '/../rack_combot')
+
+describe "something" do
+  include Rack::Test::Methods
+
+  before do
+    @app = RackCombo.new
+  end
+
+  it "combines files" do
+
+    3.must_equal(4)
+  end
+
+  after(:each) do
+  end
+end