require File.dirname(__FILE__) + '/test_helper.rb'
require 'pathname'

# ruby -Ilib test/test_autoreload.rb

class Pathname
  def write(str)
    self.open('wb') {|out|
      out.print str
    }
  end
end

module AutoReload
  class Reloader
    public :warn
  end
end

class TestAutoReload < Test::Unit::TestCase
  def test_autoreload
    #autoreload(1, true, 'test_autoreload')
    autoreload(1)

    # create a library
    dir = Pathname.new(__FILE__).dirname
    library = dir + 'tmp_library.rb'
    library.write 'def foo; 1; end'

    # require it
    require library
    assert_equal 1, foo

    sleep 2	# wait is necessary.
    # If not, the time stamp will be same with the next file.

    # recreate the file
    library.write 'def foo; 2; end'

    sleep 2	# wait again. wait for the autoreload will be started.

    # check the number again.
    assert_equal 2, foo

    # clean it
    library.unlink
    assert_equal false, library.exist?
  end

  # ruby -w -Ilib test/test_autoreload.rb -n test_all
  def test_all
    rel = AutoReload::Reloader.new

    # test_warn
    str = ''
    rel.warn("a", str)
    assert_equal "a\n", str
  end
end