Rakefile

require 'rubygems'
require 'yaml'
require 'json'
require 'date'

def conformance_version(dir)
  require 'digest'
  Dir[File.join(dir, '*')].inject(Digest::SHA1.new){|digest, file| digest.update(Digest::SHA1.file(file).hexdigest) }
end

namespace :test do
  namespace :conformance do
    desc "Update conformance testing data"
    task :update do
      puts "Updating conformance data ... "
      system("git submodule init")   || raise("Failed to init submodule")
      system("git submodule update") || raise("Failed to update submodule")
      puts "Updating conformance data ... DONE"
    end

    desc "Change conformance test data to the lastest version"
    task :latest => ['conformance:update'] do
      current_dir = File.dirname(__FILE__)
      submodule_dir = File.join(File.dirname(__FILE__), "test-data", "twitter-text-conformance")
      version_before = conformance_version(submodule_dir)
      system("cd #{submodule_dir} && git pull origin master") || raise("Failed to pull submodule version")
      system("cd #{current_dir}")
      if conformance_version(submodule_dir) != version_before
        system("cd #{current_dir} && git add #{submodule_dir}") || raise("Failed to add upgrade files")
        system("git commit -m \"Upgraded to the latest conformance suite\" #{submodule_dir}") || raise("Failed to commit upgraded conformacne data")
        puts "Upgraded conformance suite."
      else
        puts "No conformance suite changes."
      end
    end

    desc "Run conformance test suite"
    task :run do
      exec('mvn test')
    end
  end

  desc "Run conformance test suite"
  task :conformance => ['conformance:latest', 'conformance:run'] do
  end
end

desc "Run conformance test suite"
task :test => ['test:conformance']