require File.dirname(__FILE__) + '/abstract_unit' class OptionMergerTest < Test::Unit::TestCase def setup @options = {:hello => 'world'} end def test_method_with_options_merges_options_when_options_are_present local_options = {:cool => true} with_options(@options) do |o| assert_equal local_options, method_with_options(local_options) assert_equal @options.merge(local_options), o.method_with_options(local_options) end end def test_method_with_options_appends_options_when_options_are_missing with_options(@options) do |o| assert_equal Hash.new, method_with_options assert_equal @options, o.method_with_options end end def test_method_with_options_allows_to_overwrite_options local_options = {:hello => 'moon'} assert_equal @options.keys, local_options.keys with_options(@options) do |o| assert_equal local_options, method_with_options(local_options) assert_equal @options.merge(local_options), o.method_with_options(local_options) assert_equal local_options, o.method_with_options(local_options) end with_options(local_options) do |o| assert_equal local_options.merge(@options), o.method_with_options(@options) end end # Needed when counting objects with the ObjectSpace def test_option_merger_class_method assert_equal ActiveSupport::OptionMerger, ActiveSupport::OptionMerger.new('', '').class end private def method_with_options(options = {}) options end end