1 files changed, 26 insertions, 0 deletions
diff --git a/actionpack/test/controller/api/params_wrapper_test.rb b/actionpack/test/controller/api/params_wrapper_test.rb
new file mode 100644
index 0000000000..a1da852040
--- /dev/null
+++ b/actionpack/test/controller/api/params_wrapper_test.rb
@@ -0,0 +1,26 @@
+require "abstract_unit"
+
+class ParamsWrapperForApiTest < ActionController::TestCase
+  class UsersController < ActionController::API
+    attr_accessor :last_parameters
+
+    wrap_parameters :person, format: [:json]
+
+    def test
+      self.last_parameters = params.except(:controller, :action).to_unsafe_h
+      head :ok
+    end
+  end
+
+  class Person; end
+
+  tests UsersController
+
+  def test_specify_wrapper_name
+    @request.env["CONTENT_TYPE"] = "application/json"
+    post :test, params: { "username" => "sikachu" }
+
+    expected = { "username" => "sikachu", "person" => { "username" => "sikachu" } }
+    assert_equal expected, @controller.last_parameters
+  end
+end