Contents

# Author::    Nicolas Pouillard  <[e-mail]>.
# Copyright:: Copyright (c) 2005 Nicolas Pouillard. All rights reserved.
# License::   GNU General Public License (GPL).
# Revision::  $Id: factory.rb 221 2005-05-09 12:40:57Z ertai $

module Commands

  class Factory < Command

    def initialize
      super(nil)
      @command_class = Command
    end

    def new_command ( *a, &b )
      cmd = @command_class.new(*a, &b)
      instance_variables.each do |var|
        next if var =~ /^@command(_class)?$/
        cmd.send(var[1..-1] + '=', instance_variable_get(var))
      end
      cmd
    end

    alias :create :new_command

  end # class Factory



  if $0 == __FILE__
    require 'test/unit'

    class FactoryTest < Test::Unit::TestCase

      def setup
        assert_nothing_raised { @fa = Factory.new }
      end

      def test_0_initialize
      end

      def test_new_command
        assert_nothing_raised do
          assert_kind_of(Command, @fa.create('wc'))
          assert_kind_of(Command, @fa.new_command('ls'))
        end
      end

      def test_simple
        assert_nothing_raised do
          @fa << 42
          @fa.input = 'inp'
          @fa = @fa > 'out'
          @cmd = @fa.create('foo')
        end
        assert_equal('foo', @cmd.command)
        assert_equal(42, @cmd.arg_list.first)
        assert_equal('inp', @cmd.input)
        assert_equal('out', @cmd.output)
      end

    end # class FactoryTest

  end

end # module Commands

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
vcs-0.2.148	ruby_ex/commands/factory.rb