1 files changed, 12 insertions, 2 deletions
diff --git a/actionview/test/template/lookup_context_test.rb b/actionview/test/template/lookup_context_test.rb
index 290f832794..62935620e9 100644
--- a/actionview/test/template/lookup_context_test.rb
+++ b/actionview/test/template/lookup_context_test.rb
@@ -17,6 +17,16 @@ class LookupContextTest < ActiveSupport::TestCase
     I18n.locale = :en
   end
 
+  test "rendered_format is deprecated" do
+    assert_deprecated do
+      @lookup_context.rendered_format = "foo"
+    end
+
+    assert_deprecated do
+      assert_equal "foo", @lookup_context.rendered_format
+    end
+  end
+
   test "allows to override default_formats with ActionView::Base.default_formats" do
     formats = ActionView::Base.default_formats
     ActionView::Base.default_formats = [:foo, :bar]
@@ -111,11 +121,11 @@ class LookupContextTest < ActiveSupport::TestCase
     assert_equal "Hello texty phone!", template.source
   end
 
-  test "found templates respects given formats if one cannot be found from template or handler" do
+  test "found templates have nil format if one cannot be found from template or handler" do
     assert_called(ActionView::Template::Handlers::Builder, :default_format, returns: nil) do
       @lookup_context.formats = [:text]
       template = @lookup_context.find("hello", %w(test))
-      assert_equal [:text], template.formats
+      assert_nil template.format
     end
   end