vendor/rails/railties/test/plugin_locator_test.rb

   1 require File.dirname(__FILE__) + '/plugin_test_helper'
   2
   3 class TestPluginFileSystemLocator < Test::Unit::TestCase
   4   def setup
   5     configuration = Rails::Configuration.new
   6     # We need to add our testing plugin directory to the plugin paths so
   7     # the locator knows where to look for our plugins
   8     configuration.plugin_paths << plugin_fixture_root_path
   9     @initializer = Rails::Initializer.new(configuration)
  10     @locator     = new_locator
  11   end
  12
  13   def test_no_plugins_are_loaded_if_the_configuration_has_an_empty_plugin_list
  14     only_load_the_following_plugins! []
  15     assert_equal [], @locator.plugins
  16   end
  17
  18   def test_only_the_specified_plugins_are_located_in_the_order_listed
  19     plugin_names = %w(stubby acts_as_chunky_bacon)
  20     only_load_the_following_plugins! plugin_names
  21     assert_equal plugin_names, @locator.plugin_names
  22   end
  23
  24   def test_all_plugins_are_loaded_when_registered_plugin_list_is_untouched
  25     failure_tip = "It's likely someone has added a new plugin fixture without updating this list"
  26     assert_equal %w(a acts_as_chunky_bacon plugin_with_no_lib_dir stubby), @locator.plugin_names, failure_tip
  27   end
  28
  29
  30   def test_registering_a_plugin_name_that_does_not_exist_raises_a_load_error
  31     only_load_the_following_plugins! %w(stubby acts_as_a_non_existant_plugin)
  32     assert_raises(LoadError) do
  33       @initializer.load_plugins
  34     end
  35   end
  36
  37   private
  38     def new_locator(initializer = @initializer)
  39       Rails::Plugin::FileSystemLocator.new(initializer)
  40     end
  41 end