1 files changed, 12 insertions, 0 deletions
diff --git a/railties/test/rails_info_test.rb b/railties/test/rails_info_test.rb
index 50522c1be6..d167a86e56 100644
--- a/railties/test/rails_info_test.rb
+++ b/railties/test/rails_info_test.rb
@@ -43,6 +43,18 @@ class InfoTest < ActiveSupport::TestCase
     end
   end
 
+  def test_json_includes_middleware
+    Rails::Info.module_eval do
+      property "Middleware", ["Rack::Lock", "Rack::Static"]
+    end
+
+    hash = JSON.parse(Rails::Info.to_json)
+    assert_includes hash.keys, "Middleware"
+    properties.value_for("Middleware").each do |value|
+      assert_includes hash["Middleware"], value
+    end
+  end
+
   private
     def properties
       Rails::Info.properties