Address render component review feedback

Author: justin808

CHANGELOG.md

@@ -16,7 +16,7 @@ Changes since the last non-beta release.
 _Please add entries here for your pull requests that have not yet been released. Include LINKS for PRs and committers._
 
 #### Fixed
-- Preserve default controller layouts for `render component:` after the Rails 8 render pipeline change reported in #1356.
+- Preserve default controller layouts for `render component:` after the Rails 8 render pipeline change. [PR 1418](https://github.com/reactjs/react-rails/pull/1418) by [justin808](https://github.com/justin808). Fixes [#1356](https://github.com/reactjs/react-rails/issues/1356).
 
 ## [3.3.0] - 2026-03-31
 

test/react/rails/component_renderer_test.rb

@@ -13,6 +13,10 @@ def default_layout
   def explicit_layout_false
     render component: "TodoList", layout: false
   end
+
+  def explicit_named_layout
+    render component: "TodoList", layout: "app_no_turbolinks"
+  end
 end
 
 class ComponentRendererTest < ActionController::TestCase
@@ -34,6 +38,7 @@ def call(component_name, options)
     @routes.draw do
       get "default_layout", to: "component_renderer#default_layout"
       get "explicit_layout_false", to: "component_renderer#explicit_layout_false"
+      get "explicit_named_layout", to: "component_renderer#explicit_named_layout"
     end
   end
 
@@ -62,4 +67,17 @@ def call(component_name, options)
     assert_match(%r{<main>SSR</main>}, response.body)
     assert_equal "TodoList", fake_renderer.calls.dig(0, 0)
   end
+
+  test "render component preserves a named layout override" do # rubocop:disable Minitest/MultipleAssertions
+    fake_renderer = FakeRenderer.new("<main>SSR</main>")
+
+    React::Rails::ControllerRenderer.stub(:new, ->(*) { fake_renderer }) do
+      get :explicit_named_layout
+    end
+
+    assert_response :success
+    assert_match(/app_no_turbolinks/, response.body)
+    assert_match(%r{<main>SSR</main>}, response.body)
+    assert_equal "TodoList", fake_renderer.calls.dig(0, 0)
+  end
 end

test/react/rails/railtie_test.rb

@@ -50,14 +50,14 @@ class RailtieTest < ActionDispatch::IntegrationTest
     render_options = React::Rails::Railtie.component_render_options({ status: :accepted }, "<div>SSR</div>")
 
     assert_equal "<div>SSR</div>", render_options[:inline]
-    assert render_options[:layout]
+    assert_same true, render_options[:layout]
     assert_equal :accepted, render_options[:status]
   end
 
   test "component render options preserve explicit layout overrides" do
     render_options = React::Rails::Railtie.component_render_options({ layout: false }, "<div>SSR</div>")
 
-    refute render_options[:layout]
+    assert_same false, render_options[:layout]
   end
 
   test "component render options preserve a named layout override" do