Allow usage of strings as locals for partial renderer

2 files changed, 10 insertions, 1 deletions

diff --git a/actionview/lib/action_view/renderer/partial_renderer.rb b/actionview/lib/action_view/renderer/partial_renderer.rb
index beb0a18b65..8534eeb518 100644
--- a/actionview/lib/action_view/renderer/partial_renderer.rb
+++ b/actionview/lib/action_view/renderer/partial_renderer.rb
@@ -363,7 +363,7 @@ module ActionView
         @options = options
         @block   = block
 
-        @locals  = options[:locals] || {}
+        @locals  = options[:locals] ? options[:locals].symbolize_keys : {}
         @details = extract_details(options)
 
         prepend_formats(options[:formats])
diff --git a/actionview/test/actionpack/controller/render_test.rb b/actionview/test/actionpack/controller/render_test.rb
index 9df2a73448..6e61b12285 100644
--- a/actionview/test/actionpack/controller/render_test.rb
+++ b/actionview/test/actionpack/controller/render_test.rb
@@ -489,6 +489,10 @@ class TestController < ApplicationController
     render partial: "customer", locals: { customer: Customer.new("david") }
   end
 
+  def partial_with_string_locals
+    render partial: "customer", locals: { "customer" => Customer.new("david") }
+  end
+
   def partial_with_form_builder
     render partial: ActionView::Helpers::FormBuilder.new(:post, nil, view_context, {})
   end
@@ -1169,6 +1173,11 @@ class RenderTest < ActionController::TestCase
     assert_equal "Hello: david", @response.body
   end
 
+  def test_partial_with_string_locals
+    get :partial_with_string_locals
+    assert_equal "Hello: david", @response.body
+  end
+
   def test_partial_with_form_builder
     get :partial_with_form_builder
     assert_equal "<label for=\"post_title\">Title</label>\n", @response.body