Use Mime::Type references.

7 files changed, 26 insertions, 6 deletions

diff --git a/actionpack/lib/action_controller/metal/rendering.rb b/actionpack/lib/action_controller/metal/rendering.rb
index 14cc547dd0..32d52c84c4 100644
--- a/actionpack/lib/action_controller/metal/rendering.rb
+++ b/actionpack/lib/action_controller/metal/rendering.rb
@@ -6,7 +6,7 @@ module ActionController
 
     # Before processing, set the request formats in current controller formats.
     def process_action(*) #:nodoc:
-      self.formats = request.formats.map { |x| x.to_sym }
+      self.formats = request.formats.map { |x| x.ref }
       super
     end
 
diff --git a/actionpack/lib/action_dispatch/http/mime_type.rb b/actionpack/lib/action_dispatch/http/mime_type.rb
index 5b87a80c1b..7c9ebe7c7b 100644
--- a/actionpack/lib/action_dispatch/http/mime_type.rb
+++ b/actionpack/lib/action_dispatch/http/mime_type.rb
@@ -216,7 +216,11 @@ module Mime
     end
 
     def to_sym
-      @symbol || @string.to_sym
+      @symbol
+    end
+
+    def ref
+      to_sym || to_s
     end
 
     def ===(list)
diff --git a/actionpack/lib/action_view/lookup_context.rb b/actionpack/lib/action_view/lookup_context.rb
index e434f3b059..06c607931d 100644
--- a/actionpack/lib/action_view/lookup_context.rb
+++ b/actionpack/lib/action_view/lookup_context.rb
@@ -164,11 +164,11 @@ module ActionView
         @frozen_formats = true
       end
 
-      # Overload formats= to reject [:"*/*"] values.
+      # Overload formats= to reject ["*/*"] values.
       def formats=(values)
         if values && values.size == 1
           value = values.first
-          values = nil    if value == :"*/*"
+          values = nil    if value == "*/*"
           values << :html if value == :js
         end
         super(values)
diff --git a/actionpack/lib/action_view/template.rb b/actionpack/lib/action_view/template.rb
index 80543a8b77..96d506fac5 100644
--- a/actionpack/lib/action_view/template.rb
+++ b/actionpack/lib/action_view/template.rb
@@ -123,7 +123,7 @@ module ActionView
       @locals            = details[:locals] || []
       @virtual_path      = details[:virtual_path]
       @updated_at        = details[:updated_at] || Time.now
-      @formats           = Array.wrap(format).map(&:to_sym)
+      @formats = Array.wrap(format).map { |f| f.is_a?(Mime::Type) ? f.ref : f }
     end
 
     # Render a template. If the template was not compiled yet, it is done
diff --git a/actionpack/test/controller/new_base/content_negotiation_test.rb b/actionpack/test/controller/new_base/content_negotiation_test.rb
index b98a22dfcc..5fd5946619 100644
--- a/actionpack/test/controller/new_base/content_negotiation_test.rb
+++ b/actionpack/test/controller/new_base/content_negotiation_test.rb
@@ -7,6 +7,10 @@ module ContentNegotiation
     self.view_paths = [ActionView::FixtureResolver.new(
       "content_negotiation/basic/hello.html.erb" => "Hello world <%= request.formats.first.to_s %>!"
     )]
+
+    def all
+      render :text => self.formats.inspect
+    end
   end
 
   class TestContentNegotiation < Rack::TestCase
@@ -14,5 +18,10 @@ module ContentNegotiation
       get "/content_negotiation/basic/hello", {}, "HTTP_ACCEPT" => "*/*"
       assert_body "Hello world */*!"
     end
+
+    test "Not all mimes are converted to symbol" do
+      get "/content_negotiation/basic/all", {}, "HTTP_ACCEPT" => "text/plain, mime/another"
+      assert_body '[:text, "mime/another"]'
+    end
   end
 end
diff --git a/actionpack/test/dispatch/mime_type_test.rb b/actionpack/test/dispatch/mime_type_test.rb
index 9782f328fc..11cf68fdb3 100644
--- a/actionpack/test/dispatch/mime_type_test.rb
+++ b/actionpack/test/dispatch/mime_type_test.rb
@@ -131,6 +131,13 @@ class MimeTypeTest < ActiveSupport::TestCase
     assert unverified.each { |type| assert !Mime.const_get(type.to_s.upcase).verify_request?, "Nonverifiable Mime Type is verified: #{type.inspect}" }
   end
 
+  test "references gives preference to symbols before strings" do
+    assert_equal :html, Mime::HTML.ref
+    another = Mime::Type.lookup("foo/bar")
+    assert_nil another.to_sym
+    assert_equal "foo/bar", another.ref
+  end
+
   test "regexp matcher" do
     assert Mime::JS =~ "text/javascript"
     assert Mime::JS =~ "application/javascript"
diff --git a/actionpack/test/template/lookup_context_test.rb b/actionpack/test/template/lookup_context_test.rb
index f3b1335000..8d063e66b0 100644
--- a/actionpack/test/template/lookup_context_test.rb
+++ b/actionpack/test/template/lookup_context_test.rb
@@ -47,7 +47,7 @@ class LookupContextTest < ActiveSupport::TestCase
   end
 
   test "handles */* formats" do
-    @lookup_context.formats = [:"*/*"]
+    @lookup_context.formats = ["*/*"]
     assert_equal Mime::SET, @lookup_context.formats
   end