wip

lib/rails_admin/adapters/active_record/abstract_object.rb

@@ -23,8 +23,14 @@ def save(options = {validate: true})
           object.save(**options)
         end
 
-        def method_missing(method_name, *args, &block)
-          object.send(method_name, *args, &block)
+        if RUBY_VERSION >= '2.7'
+          def method_missing(method_name, *args, **kwargs, &block)
+            object.send(method_name, *args, **kwargs, &block)
+          end
+        else
+          def method_missing(method_name, *args, &block)
+            object.send(method_name, *args, &block)
+          end
         end
       end
     end

spec/rails_admin/adapters/active_record/abstract_object_spec.rb

@@ -9,6 +9,14 @@
       expect(object).to receive(:method_call)
       abstract_object.method_call
     end
+
+    context 'when the method of underlying object receives keyword arguments' do
+      let(:object) { Class.new { def foo(bar: 1); end }.new }
+
+      it 'does not break on proxying' do
+        expect { abstract_object.foo(bar: 2) }.not_to raise_error
+      end
+    end
   end
 
   describe 'create' do