begin
  require 'rspec/rails/autotest'
rescue LoadError
  # (c) Copyright 2006 Nick Sieger <nicksieger@gmail.com>
  #
  # Permission is hereby granted, free of charge, to any person
  # obtaining a copy of this software and associated documentation files
  # (the "Software"), to deal in the Software without restriction,
  # including without limitation the rights to use, copy, modify, merge,
  # publish, distribute, sublicense, and/or sell copies of the Software,
  # and to permit persons to whom the Software is furnished to do so,
  # subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be
  # included in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.

  $:.push(*Dir["vendor/rails/*/lib"])

  require 'active_support/core_ext'
  require 'autotest/rspec2'

  class Autotest::RailsRspec2 < Autotest::Rspec2

    def initialize
      super
      setup_rails_rspec2_mappings
    end

    def setup_rails_rspec2_mappings
      %w{coverage/ db/ doc/ log/ public/ script/ tmp/ vendor/rails vendor/plugins vendor/gems}.each do |exception|
        add_exception(/^([\.\/]*)?#{exception}/)
      end

      clear_mappings

      add_mapping(%r%^(test|spec)/fixtures/(.*).yml$%) { |_, m|
        ["spec/models/#{m[2].singularize}_spec.rb"] + files_matching(%r%^spec\/views\/#{m[2]}/.*_spec\.rb$%)
      }
      add_mapping(%r%^spec/.*_spec\.rb$%) { |filename, _|
        filename
      }
      add_mapping(%r%^app/models/(.*)\.rb$%) { |_, m|
        ["spec/models/#{m[1]}_spec.rb"]
      }
      add_mapping(%r%^app/views/(.*)$%) { |_, m|
        files_matching %r%^spec/views/#{m[1]}_spec.rb$%
      }
      add_mapping(%r%^app/controllers/(.*)\.rb$%) { |_, m|
        if m[1] == "application"
          files_matching %r%^spec/controllers/.*_spec\.rb$%
        else
          ["spec/controllers/#{m[1]}_spec.rb"]
        end
      }
      add_mapping(%r%^app/helpers/(.*)_helper\.rb$%) { |_, m|
        if m[1] == "application" then
          files_matching(%r%^spec/(views|helpers)/.*_spec\.rb$%)
        else
          ["spec/helpers/#{m[1]}_helper_spec.rb"] + files_matching(%r%^spec\/views\/#{m[1]}/.*_spec\.rb$%)
        end
      }
      add_mapping(%r%^config/routes\.rb$%) {
        files_matching %r%^spec/(controllers|routing|views|helpers)/.*_spec\.rb$%
      }
      add_mapping(%r%^config/database\.yml$%) { |_, m|
        files_matching %r%^spec/models/.*_spec\.rb$%
      }
      add_mapping(%r%^(spec/(spec_helper|support/.*)|config/(boot|environment(s/test)?))\.rb$%) {
        files_matching %r%^spec/(models|controllers|routing|views|helpers)/.*_spec\.rb$%
      }
      add_mapping(%r%^lib/(.*)\.rb$%) { |_, m|
        ["spec/lib/#{m[1]}_spec.rb"]
      }
      add_mapping(%r%^app/mailers/(.*)\.rb$%) { |_, m|
        ["spec/mailers/#{m[1]}_spec.rb"]
      }
    end
  end

  Autotest.add_hook(:ran_command) { warn "\n\e[31mUsing the built in rspec-rails autotest support is deprecated and will be removed in RSpec 3. Please switch to the rspec-autotest gem\e[0m" }
end