1 files changed, 36 insertions, 0 deletions
diff --git a/actionpack/test/controller/render_js_test.rb b/actionpack/test/controller/render_js_test.rb
new file mode 100644
index 0000000000..1efc0b9de1
--- /dev/null
+++ b/actionpack/test/controller/render_js_test.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require "abstract_unit"
+require "controller/fake_models"
+require "pathname"
+
+class RenderJSTest < ActionController::TestCase
+  class TestController < ActionController::Base
+    protect_from_forgery
+
+    def self.controller_path
+      "test"
+    end
+
+    def render_vanilla_js_hello
+      render js: "alert('hello')"
+    end
+
+    def show_partial
+      render partial: "partial"
+    end
+  end
+
+  tests TestController
+
+  def test_render_vanilla_js
+    get :render_vanilla_js_hello, xhr: true
+    assert_equal "alert('hello')", @response.body
+    assert_equal "text/javascript", @response.content_type
+  end
+
+  def test_should_render_js_partial
+    get :show_partial, format: "js", xhr: true
+    assert_equal "partial js", @response.body
+  end
+end