Merge pull request #11790 from printercu/patch-3

ActionController#translate supports symbols

actionpack/CHANGELOG.md

@@ -1,3 +1,8 @@
+*   ActionController#translate supports symbols as shortcuts.
+    When shortcut is given it also lookups without action name.
+
+    *Max Melentiev*
+
 *   Expand `ActionController::ConditionalGet#fresh_when` and `stale?` to also
     accept a collection of records as the first argument, so that the
     following code can be written in a shorter form.

actionpack/lib/abstract_controller/translation.rb

@@ -8,14 +8,15 @@ module AbstractController
     # <tt>I18n.translate("people.index.foo")</tt>. This makes it less repetitive
     # to translate many keys within the same controller / action and gives you a
     # simple framework for scoping them consistently.
-    def translate(*args)
-      key = args.first
-      if key.is_a?(String) && (key[0] == '.')
-        key = "#{ controller_path.tr('/', '.') }.#{ action_name }#{ key }"
-        args[0] = key
+    def translate(key, options = {})
+      if key.to_s.first == '.'
+        path = controller_path.tr('/', '.')
+        defaults = [:"#{path}#{key}"]
+        defaults << options[:default] if options[:default]
+        options[:default] = defaults
+        key = "#{path}.#{action_name}#{key}"
       end
-
-      I18n.translate(*args)
+      I18n.translate(key, options)
     end
     alias :t :translate
 

actionpack/test/abstract/translation_test.rb

@@ -9,6 +9,22 @@ module AbstractController
     class TranslationControllerTest < ActiveSupport::TestCase
       def setup
         @controller = TranslationController.new
+        I18n.backend.store_translations(:en, {
+          one: {
+            two: 'bar',
+          },
+          abstract_controller: {
+            testing: {
+              translation: {
+                index: {
+                  foo: 'bar',
+                },
+                no_action: 'no_action_tr',
+              },
+            },
+          },
+        })
+        @controller.stubs(action_name: :index)
       end
 
       def test_action_controller_base_responds_to_translate
@@ -28,16 +44,19 @@ module AbstractController
       end
 
       def test_lazy_lookup
-        expected = 'bar'
-        @controller.stubs(action_name: :index)
-        I18n.stubs(:translate).with('abstract_controller.testing.translation.index.foo').returns(expected)
-        assert_equal expected, @controller.t('.foo')
+        assert_equal 'bar', @controller.t('.foo')
+      end
+
+      def test_lazy_lookup_with_symbol
+        assert_equal 'bar', @controller.t(:'.foo')
+      end
+
+      def test_lazy_lookup_fallback
+        assert_equal 'no_action_tr', @controller.t(:'.no_action')
       end
 
       def test_default_translation
-        key, expected = 'one.two', 'bar'
-        I18n.stubs(:translate).with(key).returns(expected)
-        assert_equal expected, @controller.t(key)
+        assert_equal 'bar', @controller.t('one.two')
       end
 
       def test_localize