Contents

module BobTheHelper
  module Environment

    # Set environment variable for code block
    #
    # @param [Hash] variables
    #   the variables which should be set for that environment
    #
    # @yield
    #   the block which should be run which the change environment
    def isolated_environment(variables, &block)
      #backup
      old_env = ENV.to_hash
      #change env
      ENV.update variables

      block_result = block.call

      #cleanup
      ENV.clear 
      #install backuped information
      ENV.update old_env

      block_result
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
pointrb-0.1.2	lib/bob_the_helper/environment.rb
pointrb-0.1.1	lib/bob_the_helper/environment.rb
pointrb-0.1.0	lib/bob_the_helper/environment.rb