diff --git a/.gitignore b/.gitignore
index 5875e07..44a1b60 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,5 @@ test/version_tmp
 tmp
 .tmp
 node_modules/
+.tmp-sprockets/
+
diff --git a/bin/flowerbox b/bin/flowerbox
index 1ffc87b..aa8ecf7 100755
--- a/bin/flowerbox
+++ b/bin/flowerbox
@@ -4,7 +4,9 @@ require 'flowerbox'
 require 'thor'
 
 class Flowerbox::CLI < Thor
-  desc "test DIR FILES...", "Run the specs found in spec dir, loading spec_helper.rb for configuration details"
+  include Thor::Actions
+
+  desc "test", "Run the specs found in spec dir, loading spec_helper.rb for configuration details"
   method_options :pwd => :string, :env_options => nil, :runners => :string, :runner => :string, :verbose_server => false
   def test(dir = "spec/javascripts", *files)
     Dir.chdir(pwd) do
@@ -22,6 +24,26 @@ class Flowerbox::CLI < Thor
     end
   end
 
+  desc "transplant DIR", "Convert an existing Jasmine gem-style project to Flowerbox"
+  def transplant(dir)
+    Flowerbox.transplant(dir)
+  end
+
+  desc "clean", "Clean the Sprockets cache"
+  def clean
+    FileUtils.rm_rf(Flowerbox::CACHE_DIR)
+    puts "Sprockets cache cleaned."
+  end
+
+  desc "plant", "Start a new Flowerbox project"
+  def plant(type, dir = nil)
+    env = Flowerbox::TestEnvironment.for(type)
+
+    self.class.source_root(Flowerbox.path.join(env.plant_source))
+
+    directory('.', dir || env.plant_target)
+  end
+
   default_task :test
 
   no_tasks do
diff --git a/flowerbox.gemspec b/flowerbox.gemspec
index aabfdec..85fc657 100644
--- a/flowerbox.gemspec
+++ b/flowerbox.gemspec
@@ -4,8 +4,8 @@ require File.expand_path('../lib/flowerbox/version', __FILE__)
 Gem::Specification.new do |gem|
   gem.authors       = ["John Bintz"]
   gem.email         = ["john@coswellproductions.com"]
-  gem.description   = %q{TODO: Write a gem description}
-  gem.summary       = %q{TODO: Write a gem summary}
+  gem.description   = %q{No-nonsense JavaScript testing solution.}
+  gem.summary       = %q{No-nonsense JavaScript testing solution.}
   gem.homepage      = ""
 
   gem.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
@@ -23,4 +23,5 @@ Gem::Specification.new do |gem|
   gem.add_dependency 'selenium-webdriver'
   gem.add_dependency 'sinatra'
   gem.add_dependency 'rainbow'
+  gem.add_dependency 'sprockets-vendor_gems'
 end
diff --git a/lib/assets/javascripts/flowerbox.js.coffee b/lib/assets/javascripts/flowerbox.js.coffee
index a72b7a3..cfe100c 100644
--- a/lib/assets/javascripts/flowerbox.js.coffee
+++ b/lib/assets/javascripts/flowerbox.js.coffee
@@ -21,7 +21,7 @@ Flowerbox =
 
   onQueueStateChange: ->
 
-  queueRunner: ->
+  queueRunner: (failsafe = 5) ->
     Flowerbox.onQueueStateChange("checking queue")
     if Flowerbox.contactQueue.length > 0
       Flowerbox.started = true
@@ -55,7 +55,10 @@ Flowerbox =
             xhr.abort()
             Flowerbox.onQueueStateChange("aborted #{url}, rerunning")
             Flowerbox.contactQueue.unshift(info)
-            Flowerbox.queueRunner()
+
+            if failsafe > 0
+              failsafe -= 1
+              Flowerbox.queueRunner(failsafe)
         , Flowerbox.delay * 5
       )
 
diff --git a/lib/assets/javascripts/flowerbox/cucumber.js.coffee b/lib/assets/javascripts/flowerbox/cucumber.js.coffee
index 4de13eb..688b14c 100644
--- a/lib/assets/javascripts/flowerbox/cucumber.js.coffee
+++ b/lib/assets/javascripts/flowerbox/cucumber.js.coffee
@@ -17,16 +17,22 @@ Flowerbox.World = (code = null) ->
 Flowerbox.Matchers =
   toEqual: (expected) ->
     @message = "Expected #{@actual} #{@notMessage} equal #{expected}"
-    if typeof @actual == 'object'
-      for key, value of @actual
-        return false if expected[key] != value
+    result = null
 
-      for key, value of expected
-        return false if @actual[key] != value
+    if @actual? && expected?
+      switch (typeof @actual)
+        when 'object'
+          result = true
+          for key, value of @actual
+            result = false if expected[key] != value
 
-      true
-    else
-      @actual == expected
+          for key, value of expected
+            result = false if @actual[key] != value
+
+    if result == null
+      result = (@actual == expected)
+
+    result
 
 Flowerbox.World ->
   @assert = (what, message = 'failed') ->
diff --git a/lib/assets/javascripts/flowerbox/cucumber/reporter.js.coffee b/lib/assets/javascripts/flowerbox/cucumber/reporter.js.coffee
index 52bb46a..6966442 100644
--- a/lib/assets/javascripts/flowerbox/cucumber/reporter.js.coffee
+++ b/lib/assets/javascripts/flowerbox/cucumber/reporter.js.coffee
@@ -39,7 +39,7 @@ class Flowerbox.Cucumber.Reporter
       when 'StepResult'
         stepResult = event.getPayloadItem('stepResult')
 
-        file = Flowerbox.Step.matchFile(@step.getName()) || "unknown:0"
+        file = Flowerbox.Step.matchFile(@step.getName()) || "#{Flowerbox.UNKNOWN}:0"
 
         result = new Flowerbox.Result(step_type: this.type(), source: 'cucumber', original_name: @step.getName(), name: this.nameParts(), file: file)
 
@@ -49,6 +49,8 @@ class Flowerbox.Cucumber.Reporter
           result.status = Flowerbox.Result.PENDING
         else if stepResult.isUndefined()
           result.status = Flowerbox.Result.UNDEFINED
+          result.hasDataTable = @step.hasDataTable()
+          result.hasDocString = @step.hasDocString()
         else if stepResult.isFailed()
           result.status = Flowerbox.Result.FAILURE
 
diff --git a/lib/assets/javascripts/flowerbox/jasmine/reporter.js.coffee b/lib/assets/javascripts/flowerbox/jasmine/reporter.js.coffee
index df098e8..3bb6a9d 100644
--- a/lib/assets/javascripts/flowerbox/jasmine/reporter.js.coffee
+++ b/lib/assets/javascripts/flowerbox/jasmine/reporter.js.coffee
@@ -4,7 +4,7 @@ class jasmine.FlowerboxReporter
       status: Flowerbox.Result.SUCCESS
       source: 'jasmine'
       name: spec.getSpecSplitName()
-      file: 'unknown:0'
+      file: "#{Flowerbox.UNKNOWN}:0"
 
     for key, value of overrides
       data[key] = value
@@ -38,6 +38,7 @@ class jasmine.FlowerboxReporter
     for item in spec.results().items_
       if !item.passed_
         result.status = Flowerbox.Result.FAILURE
+
         stack = item.trace.stack || []
         if stack.constructor != Array
           stack = stack.split("\n")
diff --git a/lib/assets/javascripts/flowerbox/jasmine/selenium.js.coffee b/lib/assets/javascripts/flowerbox/jasmine/selenium.js.coffee
index 473db0f..fc6db02 100644
--- a/lib/assets/javascripts/flowerbox/jasmine/selenium.js.coffee
+++ b/lib/assets/javascripts/flowerbox/jasmine/selenium.js.coffee
@@ -5,11 +5,13 @@ jasmine.Spec.beforeAddMatcherResult().push ->
       lol.wut
     catch e
       if e.stack
-        file = switch Flowerbox.environment
+        file = switch Flowerbox.environment.toLowerCase()
           when 'firefox'
             e.stack.split("\n")[3]
           when 'chrome'
             e.stack.split("\n")[4]
+          else
+            "#{Flowerbox.UNKNOWN}:0"
 
-        @trace = { stack: [ file ] }
+        @trace = { stack: [ @message, file ] }
 
diff --git a/lib/flowerbox.rb b/lib/flowerbox.rb
index fdc870a..8c9caa2 100644
--- a/lib/flowerbox.rb
+++ b/lib/flowerbox.rb
@@ -1,44 +1,27 @@
 require "flowerbox/version"
-require 'flowerbox-delivery'
 require 'rainbow'
 
 module Flowerbox
-  module CoreExt
-    autoload :Module, 'flowerbox/core_ext/module'
+  require 'flowerbox/core_ext/module'
+
+  require 'flowerbox/runner'
+
+  require 'flowerbox/run/base'
+  require 'flowerbox/run/test'
+  require 'flowerbox/run/debug'
+
+  require 'flowerbox/test_environment'
+  require 'flowerbox/result'
+  require 'flowerbox/result_set'
+  require 'flowerbox/gathered_result'
+
+  require 'flowerbox/reporter'
+
+  if defined?(Rails::Engine)
+    require 'flowerbox/rails/engine'
   end
 
-  autoload :Runner, 'flowerbox/runner'
-  autoload :Task, 'flowerbox/task'
-
-  module Run
-    autoload :Base, 'flowerbox/run/base'
-    autoload :Test, 'flowerbox/run/test'
-    autoload :Debug, 'flowerbox/run/debug'
-  end
-
-  module Runner
-    autoload :Node, 'flowerbox/runner/node'
-    autoload :Selenium, 'flowerbox/runner/selenium'
-    autoload :Firefox, 'flowerbox/runner/firefox'
-    autoload :Chrome, 'flowerbox/runner/chrome'
-    autoload :Base, 'flowerbox/runner/base'
-  end
-
-  autoload :TestEnvironment, 'flowerbox/test_environment'
-
-  module TestEnvironment
-    autoload :Base, 'flowerbox/test_environment/base'
-    autoload :Jasmine, 'flowerbox/test_environment/jasmine'
-    autoload :Cucumber, 'flowerbox/test_environment/cucumber'
-  end
-
-  autoload :Rack, 'flowerbox/rack'
-
-  autoload :ResultSet, 'flowerbox/result_set'
-  autoload :GatheredResult, 'flowerbox/gathered_result'
-  autoload :Result, 'flowerbox/result'
-
-  autoload :Reporter, 'flowerbox/reporter'
+  CACHE_DIR = '.tmp-sprockets'
 
   class << self
     attr_writer :reporters
@@ -84,7 +67,7 @@ module Flowerbox
       Pathname(File.expand_path('../..', __FILE__))
     end
 
-    attr_accessor :test_environment, :runner_environment, :bare_coffeescript
+    attr_accessor :test_environment, :runner_environment, :bare_coffeescript, :server
 
     def configure
       yield self
@@ -126,6 +109,12 @@ module Flowerbox
 
       @browsers = {}
     end
+
+    def transplant(dir)
+      Flowerbox::TestEnvironment.transplantable_environments.each do |env|
+        break if env.transplant(dir)
+      end
+    end
   end
 end
 
diff --git a/lib/flowerbox/delivery/tilt/feature_template.rb b/lib/flowerbox/delivery/tilt/feature_template.rb
deleted file mode 100644
index 12cf32f..0000000
--- a/lib/flowerbox/delivery/tilt/feature_template.rb
+++ /dev/null
@@ -1,22 +0,0 @@
-require 'tilt'
-
-module Flowerbox::Delivery::Tilt
-  class FeatureTemplate < Tilt::Template
-    self.default_mime_type = 'application/javascript'
-
-    def prepare; end
-
-    def evaluate(scope, locals, &block)
-      <<-JS
-Flowerbox.Cucumber.Features = Flowerbox.Cucumber.Features || [];
-
-Flowerbox.Cucumber.Features.push("#{escaped_data}");
-JS
-    end
-
-    def escaped_data
-      data.gsub("\n", "\\n").gsub('"', '\\"')
-    end
-  end
-end
-
diff --git a/lib/flowerbox/rack.rb b/lib/flowerbox/rack.rb
index d0dcf95..060bf80 100644
--- a/lib/flowerbox/rack.rb
+++ b/lib/flowerbox/rack.rb
@@ -66,6 +66,8 @@ module Flowerbox
     get %r{^/__F__/(.*)$} do |file|
       asset = sprockets.asset_for(file, :bundle => false)
 
+      halt(404) if !asset
+
       content_type asset.content_type
       asset.body
     end
@@ -75,12 +77,6 @@ module Flowerbox
 
       runner.template
     end
-
-    class << self
-      private
-      def setup_protetion(builder)
-      end
-    end
   end
 end
 
diff --git a/lib/flowerbox/rails/engine.rb b/lib/flowerbox/rails/engine.rb
new file mode 100644
index 0000000..37d4c11
--- /dev/null
+++ b/lib/flowerbox/rails/engine.rb
@@ -0,0 +1,15 @@
+require 'rails/engine'
+
+module Flowerbox
+  module Rails
+    class Engine < ::Rails::Engine
+      rake_tasks do
+        require 'flowerbox/task'
+
+        Flowerbox::Task.create("flowerbox:spec", :dir => "spec/javascripts")
+        Flowerbox::Task.create("flowerbox:integration", :dir => "js-features")
+      end
+    end
+  end
+end
+
diff --git a/lib/flowerbox/reporter.rb b/lib/flowerbox/reporter.rb
index f6a00c8..3c3a49d 100644
--- a/lib/flowerbox/reporter.rb
+++ b/lib/flowerbox/reporter.rb
@@ -2,11 +2,12 @@ module Flowerbox
   module Reporter
     extend Flowerbox::CoreExt::Module
 
-    autoload :Base, 'flowerbox/reporter/base'
-    autoload :ConsoleBase, 'flowerbox/reporter/console_base'
-    autoload :Verbose, 'flowerbox/reporter/verbose'
-    autoload :Progress, 'flowerbox/reporter/progress'
-    autoload :FileDisplay, 'flowerbox/reporter/file_display'
+    require 'flowerbox/reporter/file_display'
+
+    require 'flowerbox/reporter/base'
+    require 'flowerbox/reporter/console_base'
+    require 'flowerbox/reporter/verbose'
+    require 'flowerbox/reporter/progress'
   end
 end
 
diff --git a/lib/flowerbox/result.rb b/lib/flowerbox/result.rb
index cd9588d..4437c4b 100644
--- a/lib/flowerbox/result.rb
+++ b/lib/flowerbox/result.rb
@@ -10,12 +10,12 @@ module Flowerbox
       extend Flowerbox::CoreExt::Module
     end
 
-    autoload :Base, 'flowerbox/result/base'
-    autoload :Exception, 'flowerbox/result/exception'
-    autoload :Failure, 'flowerbox/result/failure'
-    autoload :Pending, 'flowerbox/result/pending'
-    autoload :FailureMessage, 'flowerbox/result/failure_message'
-    autoload :FileInfo, 'flowerbox/result/file_info'
+    require 'flowerbox/result/base'
+    require 'flowerbox/result/exception'
+    require 'flowerbox/result/failure'
+    require 'flowerbox/result/pending'
+    require 'flowerbox/result/failure_message'
+    require 'flowerbox/result/file_info'
 
     class << self
       def for(test_env, type)
diff --git a/lib/flowerbox/result/base.rb b/lib/flowerbox/result/base.rb
index 1eaf7e9..b2653f4 100644
--- a/lib/flowerbox/result/base.rb
+++ b/lib/flowerbox/result/base.rb
@@ -3,6 +3,7 @@ require 'forwardable'
 module Flowerbox
   module Result
     class Base
+      require 'flowerbox/result/file_info'
       include Flowerbox::Result::FileInfo
 
       extend Forwardable
diff --git a/lib/flowerbox/result/failure_message.rb b/lib/flowerbox/result/failure_message.rb
index 80b19bc..6dc5c2a 100644
--- a/lib/flowerbox/result/failure_message.rb
+++ b/lib/flowerbox/result/failure_message.rb
@@ -31,7 +31,7 @@ module Flowerbox::Result
     end
 
     def stack
-      @data['stack']
+      @data['stack'] || []
     end
 
     def first_local_stack
diff --git a/lib/flowerbox/result/file_info.rb b/lib/flowerbox/result/file_info.rb
index d41aafd..c988fee 100644
--- a/lib/flowerbox/result/file_info.rb
+++ b/lib/flowerbox/result/file_info.rb
@@ -1,28 +1,38 @@
 module Flowerbox::Result::FileInfo
+  UNKNOWN = '__unknown__'
+
   def translated_file
-    @translated_file ||= filename
+    return @translated_file if @translated_file
+
+    if filename == UNKNOWN
+      @translated_file = UNKNOWN
+    else
+      @translated_file = Flowerbox.test_environment.actual_path_for(filename)
+    end
+
+    @translated_file
   end
 
   def file_translated?
-    translated_file != filename
+    translated_file[%r{\.coffee$}]
   end
 
   def filename
-    file.to_s.split(":").first || 'unknown'
+    file.to_s.split(":").first || UNKNOWN
   end
 
   def line_number
     return @line_number if @line_number
 
     @line_number = file.to_s.split(":")[1]
-    @line_number = "~#{@line_number}" if file_translated?
+    @line_number = "~#{(@line_number.to_i * 0.67).to_i}" if file_translated?
     @line_number ||= "0"
   end
 
   alias :line :line_number
 
   def translated_file_and_line
-    "#{translated_file.gsub(%r{^/}, '')}:#{line_number}"
+    "#{translated_file.gsub(%r{^#{Dir.pwd}/}, '')}:#{line_number}"
   end
 
   def system_files
diff --git a/lib/flowerbox/result_set.rb b/lib/flowerbox/result_set.rb
index f403754..a933b1e 100644
--- a/lib/flowerbox/result_set.rb
+++ b/lib/flowerbox/result_set.rb
@@ -41,7 +41,13 @@ module Flowerbox
     end
 
     def exitstatus
-      results.any?(&:failure?) ? 1 : 0
+      if results.any?(&:failure?)
+        1
+      elsif results.any?(&:pending?)
+        2
+      else
+        0
+      end
     end
 
     def print(data = {})
diff --git a/lib/flowerbox/run/base.rb b/lib/flowerbox/run/base.rb
index 189fde5..fe2e134 100644
--- a/lib/flowerbox/run/base.rb
+++ b/lib/flowerbox/run/base.rb
@@ -33,7 +33,9 @@ module Flowerbox::Run
     end
 
     def sprockets
-      Flowerbox::Delivery::SprocketsHandler.new(
+      require 'flowerbox/sprockets_handler'
+
+      Flowerbox::SprocketsHandler.new(
         :asset_paths => [
           Flowerbox.path.join("lib/assets/javascripts"),
           Flowerbox.path.join("vendor/assets/javascripts"),
diff --git a/lib/flowerbox/run/test.rb b/lib/flowerbox/run/test.rb
index 3c9954b..21bdd8f 100644
--- a/lib/flowerbox/run/test.rb
+++ b/lib/flowerbox/run/test.rb
@@ -1,5 +1,7 @@
 module Flowerbox::Run
   class Test < Base
+    require 'flowerbox/runner/base'
+
     def execute
       prep!
 
diff --git a/lib/flowerbox/runner.rb b/lib/flowerbox/runner.rb
index af69eb0..5506272 100644
--- a/lib/flowerbox/runner.rb
+++ b/lib/flowerbox/runner.rb
@@ -1,6 +1,12 @@
 module Flowerbox
   module Runner
     extend Flowerbox::CoreExt::Module
+
+    def self.find_constant(string)
+      require "flowerbox/runner/#{string}"
+
+      super
+    end
   end
 end
 
diff --git a/lib/flowerbox/runner/base.rb b/lib/flowerbox/runner/base.rb
index 43365c5..4ccedfc 100644
--- a/lib/flowerbox/runner/base.rb
+++ b/lib/flowerbox/runner/base.rb
@@ -1,3 +1,5 @@
+require 'thread'
+
 module Flowerbox
   module Runner
     class Base
@@ -9,6 +11,10 @@ module Flowerbox
 
       class RunnerDiedError < StandardError ; end
 
+      def self.mutex
+        @mutex ||= Mutex.new
+      end
+
       def initialize
         @results = ResultSet.new
         @started = false
@@ -27,6 +33,9 @@ module Flowerbox
         if !finished?
           puts "Something died hard. Here are the tests that did get run before Flowerbox died.".foreground(:red)
           puts tests.flatten.join("\n").foreground(:red)
+          server.stop
+          Flowerbox.server = nil
+
           raise RunnerDiedError.new
         end
       end
@@ -40,18 +49,20 @@ module Flowerbox
       end
 
       def run(*args)
-        setup(*args)
+        self.class.mutex.synchronize do
+          setup(*args)
 
-        @count = 0
-        @timer_running = true
+          @count = 0
+          @timer_running = true
 
-        puts "Flowerbox running your #{Flowerbox.test_environment.name} tests on #{console_name}..."
+          puts "Flowerbox running your #{Flowerbox.test_environment.name} tests on #{console_name}..."
 
-        server.start
+          server.start
 
-        yield
+          yield
 
-        server.stop
+          server.stop
+        end
 
         @results
       end
@@ -60,8 +71,7 @@ module Flowerbox
         true
       end
 
-      def configure
-      end
+      def configure ; end
 
       def pause_timer
         @timer_running = false
@@ -100,17 +110,20 @@ module Flowerbox
       end
 
       def server
-        return @server if @server
+        require 'flowerbox/rack'
+
+        Flowerbox::Rack.runner = self
+        Flowerbox::Rack.sprockets = @sprockets
+
+        return Flowerbox.server if Flowerbox.server
+
+        require 'flowerbox/server'
 
         server_options = { :app => Flowerbox::Rack }
         server_options[:logging] = true if options[:verbose_server]
         server_options[:port] = Flowerbox.port
 
-        @server = Flowerbox::Delivery::Server.new(server_options)
-        Flowerbox::Rack.runner = self
-        Flowerbox::Rack.sprockets = @sprockets
-
-        @server
+        Flowerbox.server = Flowerbox::Server.new(server_options)
       end
 
       def log(message)
diff --git a/lib/flowerbox/runner/chrome.rb b/lib/flowerbox/runner/chrome.rb
index e681f64..c9483b4 100644
--- a/lib/flowerbox/runner/chrome.rb
+++ b/lib/flowerbox/runner/chrome.rb
@@ -1,4 +1,7 @@
+require 'flowerbox/runner/selenium'
+
 class Flowerbox::Runner::Chrome < Flowerbox::Runner::Selenium
+
   def name
     "Chrome"
   end
diff --git a/lib/flowerbox/runner/firefox.rb b/lib/flowerbox/runner/firefox.rb
index a86cf3f..27a49d6 100644
--- a/lib/flowerbox/runner/firefox.rb
+++ b/lib/flowerbox/runner/firefox.rb
@@ -1,3 +1,5 @@
+require 'flowerbox/runner/selenium'
+
 class Flowerbox::Runner::Firefox < Flowerbox::Runner::Selenium
   def name
     "Firefox"
@@ -8,7 +10,7 @@ class Flowerbox::Runner::Firefox < Flowerbox::Runner::Selenium
   end
 
   def browser
-    @browser ||= ::Selenium::WebDriver.for(:firefox)
+    Flowerbox.browsers[:firefox] ||= ::Selenium::WebDriver.for(:firefox)
   end
 end
 
diff --git a/lib/flowerbox/runner/node.rb b/lib/flowerbox/runner/node.rb
index 99464d0..f0fc59b 100644
--- a/lib/flowerbox/runner/node.rb
+++ b/lib/flowerbox/runner/node.rb
@@ -1,6 +1,6 @@
 require 'tempfile'
-require 'flowerbox/delivery/server'
 require 'json'
+require 'flowerbox/runner/base'
 
 module Flowerbox
   module Runner
@@ -22,7 +22,7 @@ module Flowerbox
 
       def configured?
         File.directory?(File.join(Dir.pwd, 'node_modules/jsdom')) &&
-        File.directory?(File.join(Dir.pwd, 'node_modules/XMLHttpRequest'))
+        File.directory?(File.join(Dir.pwd, 'node_modules/xmlhttprequest'))
       end
 
       def cleanup ; end
@@ -95,6 +95,7 @@ jsdom.env(
           if (!gotFlowerbox && context.Flowerbox) {
             context.Flowerbox.baseUrl = "http://localhost:#{server.port}/";
             context.Flowerbox.environment = 'node';
+            context.Flowerbox.UNKNOWN = '#{Flowerbox::Result::FileInfo::UNKNOWN}';
 
             gotFlowerbox = true;
           }
diff --git a/lib/flowerbox/runner/selenium.rb b/lib/flowerbox/runner/selenium.rb
index 6d67203..770389c 100644
--- a/lib/flowerbox/runner/selenium.rb
+++ b/lib/flowerbox/runner/selenium.rb
@@ -1,4 +1,5 @@
 require 'selenium-webdriver'
+require 'flowerbox/runner/base'
 
 module Flowerbox
   module Runner
@@ -55,6 +56,7 @@ console.log = function(msg) {
       Flowerbox.onQueueStateChange = function(msg) {
         //document.getElementById('queue').innerHTML = document.getElementById('queue').innerHTML + "\\n" + msg;
       };
+      Flowerbox.UNKNOWN = '#{Flowerbox::Result::FileInfo::UNKNOWN}';
 
       var context = this;
 
@@ -69,7 +71,7 @@ HTML
       end
 
       def template_files
-        sprockets.files.collect { |file| %{<script type="text/javascript" src="/__F__/#{file.logical_path}"></script>} }
+        sprockets.files.collect { |file| %{<script type="text/javascript" src="/__F__/#{sprockets.logical_path_for(file)}"></script>} }
       end
     end
   end
diff --git a/lib/flowerbox/server.rb b/lib/flowerbox/server.rb
new file mode 100644
index 0000000..2e64e27
--- /dev/null
+++ b/lib/flowerbox/server.rb
@@ -0,0 +1,123 @@
+require 'rack'
+require 'net/http'
+require 'socket'
+require 'rack/builder'
+require 'thin'
+
+module Flowerbox
+  class Server
+    attr_reader :options
+
+    def initialize(options = {})
+      @options = { :logging => false }.merge(options || {})
+    end
+
+    def start
+      @server_thread = Thread.new do
+        server_options = { :Port => port, :Host => interface }
+
+        app = options[:app]
+
+        Thin::Logging.silent = !options[:logging]
+
+        if options[:logging]
+          real_app = app
+          app = ::Rack::Builder.new do
+            use ::Rack::CommonLogger, STDOUT
+            run real_app
+          end
+        end
+
+        ::Rack::Handler::Thin.run(app, server_options) do |server|
+          Thread.current[:server] = server
+
+          trap('QUIT') { server.stop }
+        end
+      end
+
+      while !@server_thread[:server] && @server_thread.alive?
+        sleep 0.1
+      end
+
+      raise StandardError.new("Server died") if !@server_thread[:server].running?
+    end
+
+    def stop
+      if @server_thread
+        @server_thread[:server].stop
+
+        wait_for_server_to_stop
+      end
+    end
+
+    def interface
+      options[:interface] || '0.0.0.0'
+    end
+
+    def port
+      return @port if @port ||= options[:port]
+
+      attempts = 20
+
+      begin
+        attempts -= 1
+
+        current_port = random_port
+
+        begin
+          socket = TCPSocket.new(interface, current_port)
+          socket.close
+        rescue Errno::ECONNREFUSED => e
+          @port = current_port
+        end
+      end while !@port and attempts > 0
+
+      raise StandardError.new("can't start server") if attempts == 0
+
+      @port
+    end
+
+    def address
+      "http://#{interface}:#{port}/"
+    end
+
+    def alive?
+      @server_thread.alive?
+    end
+
+    private
+    def wait_for_server_to_start
+      while true do
+        begin
+          connect_interface = '127.0.0.1' if interface == '0.0.0.0'
+
+          TCPSocket.new(connect_interface, port)
+          break
+        rescue Errno::ECONNREFUSED => e
+        end
+
+        sleep 0.1
+      end
+    end
+
+    def wait_for_server_to_stop
+      while alive? do
+        begin
+          connect_interface = '127.0.0.1' if interface == '0.0.0.0'
+
+          socket = TCPSocket.new(connect_interface, port)
+          socket.close
+        rescue Errno::ECONNREFUSED => e
+          return
+        end
+
+        sleep 0.1
+      end
+    end
+
+    def random_port
+      25000 + Kernel.rand(1000)
+    end
+  end
+end
+
diff --git a/lib/flowerbox/sprockets_handler.rb b/lib/flowerbox/sprockets_handler.rb
new file mode 100644
index 0000000..a0bb219
--- /dev/null
+++ b/lib/flowerbox/sprockets_handler.rb
@@ -0,0 +1,71 @@
+require 'sprockets'
+require 'sprockets/engines'
+require 'forwardable'
+require 'sprockets-vendor_gems'
+
+module Flowerbox
+  class SprocketsHandler
+    extend Forwardable
+
+    attr_reader :files, :options
+
+    def_delegators :environment, :append_path, :register_engine, :[]
+
+    def self.gem_asset_paths
+      @gem_asset_paths ||= Sprockets.find_gem_vendor_paths
+    end
+
+    def initialize(options)
+      @options = options
+
+      require 'flowerbox/unique_asset_list'
+
+      @files = Flowerbox::UniqueAssetList.new(self)
+    end
+
+    def add(asset)
+      paths_for(asset).each { |path| add_paths_for_compiled_asset(path) }
+    end
+
+    def paths_for(asset)
+      environment.find_asset(asset).to_a.collect(&:pathname)
+    end
+
+    def expire_index!
+      @environment.send(:expire_index!)
+    end
+
+    def environment
+      return @environment if @environment
+
+      @environment = Sprockets::Environment.new
+      @environment.cache = Sprockets::Cache::FileStore.new(Flowerbox::CACHE_DIR)
+
+      self.class.gem_asset_paths.each { |path| append_path(path) }
+      options[:asset_paths].each { |path| append_path(path) }
+
+      @environment
+    end
+
+    def asset_for(*args)
+      environment.find_asset(*args)
+    end
+
+    def add_paths_for_compiled_asset(path)
+      asset_for(path, :bundle => false).to_a.each { |file_path| @files.add(file_path) }
+    end
+
+    def logical_path_for(asset)
+      asset_path = asset.pathname.to_s
+
+      environment.paths.each do |path|
+        if asset_path[%r{^#{path}}]
+          return asset_path.gsub(%r{^#{path}/}, '')
+        end
+      end
+
+      raise StandardError.new("Could not find logical path for #{asset_path}")
+    end
+  end
+end
+
diff --git a/lib/flowerbox/test_environment.rb b/lib/flowerbox/test_environment.rb
index 1f56e88..5362178 100644
--- a/lib/flowerbox/test_environment.rb
+++ b/lib/flowerbox/test_environment.rb
@@ -2,10 +2,18 @@ module Flowerbox
   module TestEnvironment
     extend Flowerbox::CoreExt::Module
 
-    class << self
-      def for(env)
-        find_constant(env).new
+    def self.for(env)
+      require "flowerbox/test_environment/#{env}"
+
+      find_constant(env).new
+    end
+
+    def self.transplantable_environments
+      Dir[File.expand_path('../test_environment/*.rb', __FILE__)].each do |file|
+        require file
       end
+
+      constants.collect { |k| const_get(k) }.find_all(&:transplantable?)
     end
   end
 end
diff --git a/lib/flowerbox/test_environment/base.rb b/lib/flowerbox/test_environment/base.rb
index bc8cc3a..b361d14 100644
--- a/lib/flowerbox/test_environment/base.rb
+++ b/lib/flowerbox/test_environment/base.rb
@@ -13,6 +13,10 @@ module Flowerbox
         @reporters ||= []
       end
 
+      def self.transplantable?
+        respond_to?(:transplant)
+      end
+
       def set_additional_options(opts = nil)
         @options = {}
 
@@ -41,6 +45,10 @@ module Flowerbox
       def start
         runner.spec_files.each { |file| @sprockets.add(file) }
       end
+
+      def actual_path_for(file)
+        @sprockets.asset_for(file, :bundle => false).pathname.to_s
+      end
     end
   end
 end
diff --git a/lib/flowerbox/test_environment/cucumber.rb b/lib/flowerbox/test_environment/cucumber.rb
index c0ba320..b614882 100644
--- a/lib/flowerbox/test_environment/cucumber.rb
+++ b/lib/flowerbox/test_environment/cucumber.rb
@@ -1,3 +1,5 @@
+require 'flowerbox/test_environment/base'
+
 module Flowerbox
   module TestEnvironment
     class Cucumber < Base
@@ -12,7 +14,9 @@ module Flowerbox
       def inject_into(sprockets)
         super
 
-        @sprockets.register_engine('.feature', Flowerbox::Delivery::Tilt::FeatureTemplate)
+        require 'flowerbox/tilt/feature_template'
+
+        @sprockets.register_engine('.feature', Flowerbox::Tilt::FeatureTemplate)
       end
 
       def global_system_files
@@ -56,20 +60,34 @@ JS
           " (\d+) "
         end
 
+        messages = []
+
+        if result['hasDataTable']
+          args << "table"
+          messages << "table is a Cucumber AST data table"
+        end
+
+        if result['hasDocString']
+          args << "string"
+          messages << "string is a doc string"
+        end
+
         args_string = args.join(', ')
 
+        output = []
+
         if primarily_coffeescript?
-          <<-COFFEE
-Flowerbox.#{result.step_type} /^#{matcher}$/, #{"(#{args_string}) " if !args_string.empty?}->
-  @pending() # add your code here
-COFFEE
+          output << %{Flowerbox.#{result.step_type} /^#{matcher}$/, #{"(#{args_string}) " if !args_string.empty?}->}
+          output += messages.collect { |msg| "  # #{msg}" }
+          output << %{  @pending() # add your code here}
         else
-          <<-JS
-Flowerbox.#{result.step_type}(/^#{matcher}$/, function(#{args_string}) {
-  this.pending(); // add your code here
-});
-JS
+          output << "Flowerbox.#{result.step_type}(/^#{matcher}$/, function(#{args_string}) {"
+          output += messages.collect { |msg| "  // #{msg}" }
+          output << %{  this.pending(); // add your code here}
+          output << "});"
         end
+
+        output.collect { |line| "#{line}\n" }.join
       end
 
       def primarily_coffeescript?
@@ -80,11 +98,15 @@ JS
 
         coffee_count > js_count
       end
+
+      def plant_source
+        "skel/cucumber"
+      end
+
+      def plant_target
+        "js-features"
+      end
     end
   end
 end
 
-module Flowerbox::Delivery::Tilt
-  autoload :FeatureTemplate, 'flowerbox/delivery/tilt/feature_template'
-end
-
diff --git a/lib/flowerbox/test_environment/jasmine.rb b/lib/flowerbox/test_environment/jasmine.rb
index 23b987e..e171e12 100644
--- a/lib/flowerbox/test_environment/jasmine.rb
+++ b/lib/flowerbox/test_environment/jasmine.rb
@@ -1,8 +1,56 @@
+require 'flowerbox/test_environment/base'
 require 'jasmine-core'
+require 'yaml'
 
 module Flowerbox
   module TestEnvironment
     class Jasmine < Base
+      def self.transplant(dir)
+        if File.file?(jasmine_yml = File.join(dir, 'support/jasmine.yml'))
+          puts "Transplanting #{jasmine_yml} into Flowerbox..."
+
+          config = [
+            %{f.test_with :jasmine},
+            %{f.run_with :firefox},
+            %{f.report_with :verbose}
+          ]
+
+          YAML.load_file(jasmine_yml).each do |key, value|
+            case key
+            when 'src_dir'
+              [ value ].flatten.each do |dir|
+                config << %{f.asset_paths << "#{dir}"}
+              end
+            when 'src_files'
+              [ value ].flatten.each do |file|
+                config << %{f.additional_files << "#{file}"}
+              end
+            when 'helpers'
+              [ value ].flatten.each do |pattern|
+                Dir[File.join(dir, pattern)].each do |file|
+                  config << %{f.additional_files << "#{file.gsub("#{dir}/", '')}"}
+                end
+              end
+            when 'spec_files'
+              [ value ].flatten.each do |pattern|
+                config << %{f.spec_patterns << "#{pattern}"}
+              end
+            end
+          end
+
+          File.open(target = File.join(dir, 'spec_helper.rb'), 'wb') do |fh|
+            fh.puts "Flowerbox.configure do |f|"
+            config.each do |line|
+              fh.puts "  #{line}"
+            end
+            fh.puts "end"
+          end
+
+          puts "#{target} created. Run your tests with:"
+          puts "  flowerbox test #{dir}"
+        end
+      end
+
       def inject_into(sprockets)
         sprockets.append_path(::Jasmine::Core.path)
 
diff --git a/lib/flowerbox/tilt/feature_template.rb b/lib/flowerbox/tilt/feature_template.rb
new file mode 100644
index 0000000..b6586bf
--- /dev/null
+++ b/lib/flowerbox/tilt/feature_template.rb
@@ -0,0 +1,24 @@
+require 'tilt'
+
+module Flowerbox
+  module Tilt
+    class FeatureTemplate < ::Tilt::Template
+      self.default_mime_type = 'application/javascript'
+
+      def prepare; end
+
+      def evaluate(scope, locals, &block)
+        <<-JS
+Flowerbox.Cucumber.Features = Flowerbox.Cucumber.Features || [];
+
+Flowerbox.Cucumber.Features.push("#{escaped_data}");
+JS
+      end
+
+      def escaped_data
+        data.gsub("\n", "\\n").gsub('"', '\\"')
+      end
+    end
+  end
+end
+
diff --git a/lib/flowerbox/unique_asset_list.rb b/lib/flowerbox/unique_asset_list.rb
new file mode 100644
index 0000000..03353a7
--- /dev/null
+++ b/lib/flowerbox/unique_asset_list.rb
@@ -0,0 +1,25 @@
+module Flowerbox
+  class UniqueAssetList < ::Array
+    attr_reader :sprockets
+
+    def initialize(sprockets)
+      super([])
+
+      @sprockets = sprockets
+    end
+
+    def add(files)
+      [ files ].flatten.each { |file| self << file if !include?(file) }
+    end
+
+    def to_json
+      collect { |file| sprockets.logical_path_for(file) }
+    end
+
+    private
+    def include?(file)
+      any? { |other_file| other_file.pathname.to_s == file.pathname.to_s }
+    end
+  end
+end
+
diff --git a/skel/cucumber/features/my_first_feature.feature b/skel/cucumber/features/my_first_feature.feature
new file mode 100644
index 0000000..1dd0d81
--- /dev/null
+++ b/skel/cucumber/features/my_first_feature.feature
@@ -0,0 +1,7 @@
+Feature: My First Feature
+  Scenario: Do Something
+    Given I have a flowerbox
+    When I plant a "cucumber" seed
+    Then I should get the following when I pick:
+      | cucumber |
+
diff --git a/skel/cucumber/spec_helper.rb b/skel/cucumber/spec_helper.rb
new file mode 100644
index 0000000..ebf8442
--- /dev/null
+++ b/skel/cucumber/spec_helper.rb
@@ -0,0 +1,10 @@
+Flowerbox.configure do |f|
+  f.test_with :cucumber
+  f.run_with :firefox
+
+  f.additional_files << "support/env.js.coffee"
+  f.spec_patterns << "features/**/*.feature"
+
+  f.test_environment.prefer_step_language :coffeescript
+end
+
diff --git a/skel/cucumber/step_definitions/given/i_have_a_flowerbox.js.coffee b/skel/cucumber/step_definitions/given/i_have_a_flowerbox.js.coffee
new file mode 100644
index 0000000..2221119
--- /dev/null
+++ b/skel/cucumber/step_definitions/given/i_have_a_flowerbox.js.coffee
@@ -0,0 +1,8 @@
+Flowerbox.Given /^I have a flowerbox$/, ->
+  @flowerbox = 
+    plantSeed: (type) ->
+      @types ||= []
+      @types.push(type)
+    pick: ->
+      @types
+
diff --git a/skel/cucumber/step_definitions/then/i_should_get_the_following_when_i_pick.js.coffee b/skel/cucumber/step_definitions/then/i_should_get_the_following_when_i_pick.js.coffee
new file mode 100644
index 0000000..b6d7f1b
--- /dev/null
+++ b/skel/cucumber/step_definitions/then/i_should_get_the_following_when_i_pick.js.coffee
@@ -0,0 +1,5 @@
+Flowerbox.Then /^I should get the following when I pick:$/, (table) ->
+  # table is a Cucumber AST data table
+  data = (row[0] for row in table.raw())
+  @expect(@flowerbox.pick()).toEqual(data)
+ 
diff --git a/skel/cucumber/step_definitions/when/i_plant_a_seed.js.coffee b/skel/cucumber/step_definitions/when/i_plant_a_seed.js.coffee
new file mode 100644
index 0000000..9d98279
--- /dev/null
+++ b/skel/cucumber/step_definitions/when/i_plant_a_seed.js.coffee
@@ -0,0 +1,3 @@
+Flowerbox.When /^I plant a "([^"]+)" seed$/, (type) ->
+  @flowerbox.plantSeed(type)
+
diff --git a/skel/cucumber/support/env.js.coffee b/skel/cucumber/support/env.js.coffee
new file mode 100644
index 0000000..624ee96
--- /dev/null
+++ b/skel/cucumber/support/env.js.coffee
@@ -0,0 +1 @@
+#= require_tree ../step_definitions
diff --git a/spec/flowerbox/delivery/template_renderer_spec.rb b/spec/flowerbox/delivery/template_renderer_spec.rb
new file mode 100644
index 0000000..7c790d0
--- /dev/null
+++ b/spec/flowerbox/delivery/template_renderer_spec.rb
@@ -0,0 +1,59 @@
+require 'spec_helper'
+
+describe Flowerbox::Delivery::TemplateRenderer do
+  let(:template_renderer) { described_class.new(:template => template, :files => files) }
+  let(:template) { 'template' }
+  let(:files) { 'files' }
+
+  let(:rendered_template) { 'rendered template' }
+  let(:erb_template) { "#{rendered_template} <%= resource_tags %>" }
+
+  describe '#render' do
+    subject { template_renderer.render }
+
+    let(:rendered_files) { 'with files' }
+    let(:result) { "#{rendered_template} #{rendered_files}" }
+
+    before do
+      template_renderer.expects(:resource_tags).returns(rendered_files)
+      template_renderer.expects(:template).returns(erb_template)
+    end
+
+    it { should == result }
+  end
+
+  describe '#template' do
+    include FakeFS::SpecHelpers
+
+    before do
+      File.open(template, 'wb') { |fh| fh.print erb_template }
+    end
+
+    subject { template_renderer.template }
+
+    it { should == erb_template }
+  end
+
+  describe '#resource_tags' do
+    subject { template_renderer.resource_tags }
+
+    context 'success' do
+      let(:files) { [ js, css ] }
+      let(:js) { 'file.js' }
+      let(:css) { 'file.css' }
+
+      it { should == [
+        %{<script src="#{js}" type="text/javascript"></script>},
+        %{<link rel="stylesheet" href="#{css}" type="text/css" />}
+      ].join }
+    end
+
+    context 'failure' do
+      let(:files) { [ 'what.ever' ] }
+
+      it 'should raise error' do
+        expect { subject }.to raise_error(Flowerbox::Delivery::TemplateRenderer::FileTypeError)
+      end
+    end
+  end
+end
diff --git a/spec/flowerbox/delivery/tilt/js_template_spec.rb b/spec/flowerbox/delivery/tilt/js_template_spec.rb
new file mode 100644
index 0000000..41a680b
--- /dev/null
+++ b/spec/flowerbox/delivery/tilt/js_template_spec.rb
@@ -0,0 +1,62 @@
+require 'spec_helper'
+
+describe Flowerbox::Delivery::Tilt::JSTemplate do
+  let(:js_template) { described_class.new { '' } }
+
+  describe '#evaluate' do
+    subject { js_template.evaluate(Object.new, {}) }
+
+    before do
+      js_template.stubs(:file).returns(file)
+    end
+
+    context '.js' do
+      let(:file) { 'file.js' }
+
+      it { should == file }
+    end
+
+    context 'other extension' do
+      let(:file) { 'file.coffee' }
+      let(:temp_file) { 'temp file' }
+
+      before do
+        js_template.expects(:save).returns(temp_file)
+      end
+
+      it { should == temp_file }
+    end
+  end
+
+  describe '#save' do
+    include FakeFS::SpecHelpers
+
+    let(:temp_file) { 'dir/temp file' }
+    let(:data) { 'data' }
+
+    before do
+      js_template.stubs(:temp_file).returns(temp_file)
+      js_template.stubs(:data).returns(data)
+    end
+
+    it 'should save the file to disk and return the temp path' do
+      js_template.save.should == temp_file
+
+      File.read(temp_file).should == data
+    end
+  end
+
+  describe '#temp_file' do
+    subject { js_template.temp_file }
+
+    let(:filename) { "#{root_filename}.ext" }
+    let(:root_filename) { "dir/file.js" }
+
+    before do
+      js_template.stubs(:file).returns(filename)
+    end
+
+    it { should == File.join(Dir.pwd, '.tmp/sprockets', root_filename) }
+  end
+end
+
diff --git a/spec/flowerbox/server_spec.rb b/spec/flowerbox/server_spec.rb
new file mode 100644
index 0000000..5a73362
--- /dev/null
+++ b/spec/flowerbox/server_spec.rb
@@ -0,0 +1,100 @@
+require 'spec_helper'
+require 'socket'
+require 'thread'
+
+describe Flowerbox::Delivery::Server do
+  let(:server) { described_class.new(options) }
+  let(:options) { nil }
+
+  subject { server }
+
+  describe '#initialize' do
+    let(:options) { { :port => port, :interface => interface } }
+    let(:port) { 'port' }
+    let(:interface) { 'interface' }
+
+    its(:port) { should == port }
+    its(:interface) { should == interface }
+  end
+
+  describe '#start' do
+    let(:port) { 12345 }
+    let(:interface) { '127.0.0.1' }
+
+    before do
+      server.stubs(:port).returns(port)
+      server.stubs(:interface).returns(interface)
+    end
+
+    it 'should start a Rack server' do
+      server.start
+
+      TCPSocket.new(server.interface, server.port)
+    end
+  end
+
+  describe '#interface' do
+    subject { server.interface }
+
+    it { should == '0.0.0.0' }
+  end
+
+  describe '#port' do
+    let(:interface) { '127.0.0.1' }
+    let(:base) { 25000 }
+    let(:initial) { base + @offset }
+
+    before do
+      server.stubs(:interface).returns(interface)
+
+      @offset = 0
+      ok = true
+
+      begin
+        [ 0, 1 ].each do |index|
+          begin
+            TCPSocket.new(interface, base + @offset + index)
+            @offset += 1
+            ok = false
+          rescue Errno::ECONNREFUSED => e
+          end
+        end
+      end while !ok
+    end
+
+    subject { server.port }
+
+    context 'no running service' do
+      before do
+        Kernel.stubs(:rand).returns(@offset)
+      end
+
+      it { should == initial }
+    end
+
+    context 'running service' do
+      before do
+        @server = Thread.new do
+          TCPServer.new(interface, initial)
+        end
+
+        server.stubs(:random_port).returns(initial, initial + 1)
+
+        while true
+          begin
+            TCPSocket.new(interface, initial)
+            break
+          rescue Errno::ECONNREFUSED
+          end
+        end
+      end
+
+      it { should == initial + 1 }
+
+      after do
+        @server.kill
+      end
+    end
+  end
+end
+
diff --git a/spec/flowerbox/sprockets_handler_spec.rb b/spec/flowerbox/sprockets_handler_spec.rb
new file mode 100644
index 0000000..2635a7a
--- /dev/null
+++ b/spec/flowerbox/sprockets_handler_spec.rb
@@ -0,0 +1,52 @@
+require 'spec_helper'
+
+describe Flowerbox::Delivery::SprocketsHandler do
+  let(:sprockets_handler) { described_class.new(options) }
+  let(:options) { { :asset_paths => asset_paths } }
+  let(:asset_paths) { [ File.expand_path('asset path') ] }
+
+  describe '#add' do
+    let(:asset) { 'asset' }
+    let(:path) { 'path' }
+    let(:paths) { [ path ] }
+
+    let(:pathname_path) { 'pathname path' }
+
+    before do
+      sprockets_handler.expects(:paths_for).with(asset).returns(paths)
+      sprockets_handler.expects(:path_for_compiled_asset).with(path).returns(pathname_path)
+    end
+
+    it 'should add the asset to the list of ones to work with' do
+      sprockets_handler.add(asset)
+
+      sprockets_handler.files.should == [ pathname_path ]
+    end
+  end
+
+  describe '#paths_for' do
+    subject { sprockets_handler.paths_for(asset) }
+
+    let(:asset) { 'asset' }
+    let(:environment) { stub }
+    let(:bundled_asset) { stub(:to_a => [ processed_asset ]) }
+    let(:processed_asset) { stub(:pathname => path) }
+
+    let(:path) { 'path' }
+
+    before do
+      sprockets_handler.stubs(:environment).returns(environment)
+      environment.expects(:find_asset).with(asset).returns(bundled_asset)
+    end
+
+    it { should == [ path ] }
+  end
+
+  describe '#environment' do
+    subject { sprockets_handler.environment }
+
+    it { should be_a_kind_of(Sprockets::Environment) }
+    its(:paths) { should == asset_paths }
+  end
+end
+
diff --git a/spec/flowerbox/unique_asset_list_spec.rb b/spec/flowerbox/unique_asset_list_spec.rb
new file mode 100644
index 0000000..1def2c1
--- /dev/null
+++ b/spec/flowerbox/unique_asset_list_spec.rb
@@ -0,0 +1,18 @@
+require 'spec_helper'
+
+describe Flowerbox::Delivery::UniqueAssetList do
+  let(:unique_asset_list) { described_class.new }
+
+  describe "#add" do
+    let(:first) { Pathname.new('one') }
+    let(:second) { Pathname.new('one') }
+    let(:third) { Pathname.new('two') }
+
+    it 'should not add assets already added' do
+      unique_asset_list.add(first)
+      unique_asset_list.add([ second, third ])
+
+      unique_asset_list.should == [ first, third ]
+    end
+  end
+end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
new file mode 100644
index 0000000..fe4f8b5
--- /dev/null
+++ b/spec/spec_helper.rb
@@ -0,0 +1,7 @@
+require 'flowerbox-delivery'
+require 'mocha'
+require 'fakefs/spec_helpers'
+
+RSpec.configure do |c|
+  c.mock_with :mocha
+end