require 'plugin_test_helper' # Mocks out the configuration module Rails def self.configuration Rails::Configuration.new end end uses_mocha "Plugin Loader Tests" do class TestPluginLoader < Test::Unit::TestCase ORIGINAL_LOAD_PATH = $LOAD_PATH.dup def setup reset_load_path! @configuration = Rails::Configuration.new @configuration.plugin_paths << plugin_fixture_root_path @initializer = Rails::Initializer.new(@configuration) @valid_plugin_path = plugin_fixture_path('default/stubby') @empty_plugin_path = plugin_fixture_path('default/empty') @failure_tip = "It's likely someone has added a new plugin fixture without updating this list" @loader = Rails::Plugin::Loader.new(@initializer) end def test_should_locate_plugins_by_asking_each_locator_specifed_in_configuration_for_its_plugins_result locator_1 = stub(:plugins => [:a, :b, :c]) locator_2 = stub(:plugins => [:d, :e, :f]) locator_class_1 = stub(:new => locator_1) locator_class_2 = stub(:new => locator_2) @configuration.plugin_locators = [locator_class_1, locator_class_2] assert_equal [:a, :b, :c, :d, :e, :f], @loader.send(:locate_plugins) end def test_should_memoize_the_result_of_locate_plugins_as_all_plugins plugin_list = [:a, :b, :c] @loader.expects(:locate_plugins).once.returns(plugin_list) assert_equal plugin_list, @loader.all_plugins assert_equal plugin_list, @loader.all_plugins # ensuring that locate_plugins isn't called again end def test_should_return_empty_array_if_configuration_plugins_is_empty @configuration.plugins = [] assert_equal [], @loader.plugins end def test_should_find_all_availble_plugins_and_return_as_all_plugins assert_plugins [:stubby, :plugin_with_no_lib_dir, :acts_as_chunky_bacon, :a], @loader.all_plugins.reverse, @failure_tip end def test_should_return_all_plugins_as_plugins_when_registered_plugin_list_is_untouched assert_plugins [:a, :acts_as_chunky_bacon, :plugin_with_no_lib_dir, :stubby], @loader.plugins, @failure_tip end def test_should_return_all_plugins_as_plugins_when_registered_plugin_list_is_nil @configuration.plugins = nil assert_plugins [:a, :acts_as_chunky_bacon, :plugin_with_no_lib_dir, :stubby], @loader.plugins, @failure_tip end def test_should_return_specific_plugins_named_in_config_plugins_array_if_set plugin_names = [:acts_as_chunky_bacon, :stubby] only_load_the_following_plugins! plugin_names assert_plugins plugin_names, @loader.plugins end def test_should_respect_the_order_of_plugins_given_in_configuration plugin_names = [:stubby, :acts_as_chunky_bacon] only_load_the_following_plugins! plugin_names assert_plugins plugin_names, @loader.plugins end def test_should_load_all_plugins_in_natural_order_when_all_is_used only_load_the_following_plugins! [:all] assert_plugins [:a, :acts_as_chunky_bacon, :plugin_with_no_lib_dir, :stubby], @loader.plugins, @failure_tip end def test_should_load_specified_plugins_in_order_and_then_all_remaining_plugins_when_all_is_used only_load_the_following_plugins! [:stubby, :acts_as_chunky_bacon, :all] assert_plugins [:stubby, :acts_as_chunky_bacon, :a, :plugin_with_no_lib_dir], @loader.plugins, @failure_tip end def test_should_be_able_to_specify_loading_of_plugins_loaded_after_all only_load_the_following_plugins! [:stubby, :all, :acts_as_chunky_bacon] assert_plugins [:stubby, :a, :plugin_with_no_lib_dir, :acts_as_chunky_bacon], @loader.plugins, @failure_tip end def test_should_accept_plugin_names_given_as_strings only_load_the_following_plugins! ['stubby', 'acts_as_chunky_bacon', :a, :plugin_with_no_lib_dir] assert_plugins [:stubby, :acts_as_chunky_bacon, :a, :plugin_with_no_lib_dir], @loader.plugins, @failure_tip end def test_should_add_plugin_load_paths_to_global_LOAD_PATH_array only_load_the_following_plugins! [:stubby, :acts_as_chunky_bacon] stubbed_application_lib_index_in_LOAD_PATHS = 5 @loader.stubs(:application_lib_index).returns(stubbed_application_lib_index_in_LOAD_PATHS) @loader.add_plugin_load_paths assert $LOAD_PATH.index(File.join(plugin_fixture_path('default/stubby'), 'lib')) >= stubbed_application_lib_index_in_LOAD_PATHS assert $LOAD_PATH.index(File.join(plugin_fixture_path('default/acts/acts_as_chunky_bacon'), 'lib')) >= stubbed_application_lib_index_in_LOAD_PATHS end def test_should_add_plugin_load_paths_to_Dependencies_load_paths only_load_the_following_plugins! [:stubby, :acts_as_chunky_bacon] @loader.add_plugin_load_paths assert Dependencies.load_paths.include?(File.join(plugin_fixture_path('default/stubby'), 'lib')) assert Dependencies.load_paths.include?(File.join(plugin_fixture_path('default/acts/acts_as_chunky_bacon'), 'lib')) end def test_should_add_plugin_load_paths_to_Dependencies_load_once_paths only_load_the_following_plugins! [:stubby, :acts_as_chunky_bacon] @loader.add_plugin_load_paths assert Dependencies.load_once_paths.include?(File.join(plugin_fixture_path('default/stubby'), 'lib')) assert Dependencies.load_once_paths.include?(File.join(plugin_fixture_path('default/acts/acts_as_chunky_bacon'), 'lib')) end def test_should_add_all_load_paths_from_a_plugin_to_LOAD_PATH_array plugin_load_paths = ["a", "b"] plugin = stub(:load_paths => plugin_load_paths) @loader.stubs(:plugins).returns([plugin]) @loader.add_plugin_load_paths plugin_load_paths.each { |path| assert $LOAD_PATH.include?(path) } end private def reset_load_path! $LOAD_PATH.clear ORIGINAL_LOAD_PATH.each { |path| $LOAD_PATH << path } end end end