require 'plugin_test_helper' class PluginTest < Test::Unit::TestCase def setup @initializer = Rails::Initializer.new(Rails::Configuration.new) @valid_plugin_path = plugin_fixture_path('default/stubby') @empty_plugin_path = plugin_fixture_path('default/empty') @gemlike_plugin_path = plugin_fixture_path('default/gemlike') end def test_should_determine_plugin_name_from_the_directory_of_the_plugin assert_equal 'stubby', plugin_for(@valid_plugin_path).name assert_equal 'empty', plugin_for(@empty_plugin_path).name end def test_should_not_be_loaded_when_created assert !plugin_for(@valid_plugin_path).loaded? end def test_should_be_marked_as_loaded_when_load_is_called plugin = plugin_for(@valid_plugin_path) assert !plugin.loaded? plugin.stubs(:evaluate_init_rb) assert_nothing_raised do plugin.send(:load, anything) end assert plugin.loaded? end def test_should_determine_validity_of_given_path # This is a plugin path, with a lib dir assert plugin_for(@valid_plugin_path).valid? # This just has an init.rb and no lib dir assert plugin_for(plugin_fixture_path('default/plugin_with_no_lib_dir')).valid? # This would be a plugin path, but the directory is empty assert !plugin_for(plugin_fixture_path('default/empty')).valid? # This is a non sense path assert !plugin_for(plugin_fixture_path('default/this_directory_does_not_exist')).valid? end def test_should_return_empty_array_for_load_paths_when_plugin_has_no_lib_directory assert_equal [], plugin_for(plugin_fixture_path('default/plugin_with_no_lib_dir')).load_paths end def test_should_return_array_with_lib_path_for_load_paths_when_plugin_has_a_lib_directory expected_lib_dir = File.join(plugin_fixture_path('default/stubby'), 'lib') assert_equal [expected_lib_dir], plugin_for(plugin_fixture_path('default/stubby')).load_paths end def test_should_raise_a_load_error_when_trying_to_determine_the_load_paths_from_an_invalid_plugin assert_nothing_raised do plugin_for(@valid_plugin_path).load_paths end assert_raises(LoadError) do plugin_for(@empty_plugin_path).load_paths end assert_raises(LoadError) do plugin_for('this_is_not_a_plugin_directory').load_paths end end def test_should_raise_a_load_error_when_trying_to_load_an_invalid_plugin # This path is fine so nothing is raised assert_nothing_raised do plugin = plugin_for(@valid_plugin_path) plugin.stubs(:evaluate_init_rb) plugin.send(:load, @initializer) end # This path is fine so nothing is raised assert_nothing_raised do plugin = plugin_for(@gemlike_plugin_path) plugin.stubs(:evaluate_init_rb) plugin.send(:load, @initializer) end # This is an empty path so it raises assert_raises(LoadError) do plugin = plugin_for(@empty_plugin_path) plugin.stubs(:evaluate_init_rb) plugin.send(:load, @initializer) end assert_raises(LoadError) do plugin = plugin_for('this_is_not_a_plugin_directory') plugin.stubs(:evaluate_init_rb) plugin.send(:load, @initializer) end end def test_should_raise_a_load_error_when_trying_to_access_load_paths_of_an_invalid_plugin # This path is fine so nothing is raised assert_nothing_raised do plugin_for(@valid_plugin_path).load_paths end # This is an empty path so it raises assert_raises(LoadError) do plugin_for(@empty_plugin_path).load_paths end assert_raises(LoadError) do plugin_for('this_is_not_a_plugin_directory').load_paths end end def test_loading_a_plugin_gives_the_init_file_access_to_all_it_needs failure_tip = "Perhaps someone has written another test that loads this same plugin and therefore makes the StubbyMixin constant defined already." assert !defined?(StubbyMixin), failure_tip plugin = plugin_for(@valid_plugin_path) plugin.load_paths.each { |path| $LOAD_PATH.unshift(path) } # The init.rb of this plugin raises if it doesn't have access to all the things it needs assert_nothing_raised do plugin.load(@initializer) end assert defined?(StubbyMixin) end def test_should_sort_naturally_by_name a = plugin_for("path/a") b = plugin_for("path/b") z = plugin_for("path/z") assert_equal [a, b, z], [b, z, a].sort end def test_should_only_be_loaded_once plugin = plugin_for(@valid_plugin_path) assert !plugin.loaded? plugin.expects(:evaluate_init_rb) assert_nothing_raised do plugin.send(:load, @initializer) plugin.send(:load, @initializer) end assert plugin.loaded? end def test_should_make_about_yml_available_as_about_method_on_plugin plugin = plugin_for(@valid_plugin_path) assert_equal "Plugin Author", plugin.about['author'] assert_equal "1.0.0", plugin.about['version'] end def test_should_return_empty_hash_for_about_if_about_yml_is_missing assert_equal({}, plugin_for(about_yml_plugin_path('plugin_without_about_yaml')).about) end def test_should_return_empty_hash_for_about_if_about_yml_is_malformed assert_equal({}, plugin_for(about_yml_plugin_path('bad_about_yml')).about) end private def about_yml_plugin_path(name) File.join(File.dirname(__FILE__), 'fixtures', 'about_yml_plugins', name) end def plugin_for(path) Rails::Plugin.new(path) end end