test(ruby-runtime): verify callback member names escape reserved words

Author: omarqureshi

packages/@jsii/ruby-runtime/spec/callbacks_spec.rb

@@ -0,0 +1,66 @@
+require 'jsii'
+
+describe Jsii::Kernel::Callbacks do
+  let(:callbacks_class) do
+    Class.new do
+      include Jsii::Kernel::Callbacks
+    end
+  end
+  let(:callbacks) { callbacks_class.new }
+
+  before do
+    allow(Jsii::Kernel).to receive(:instance).and_return(double('kernel'))
+  end
+
+  describe '#handle_callback_invoke' do
+    it 'escapes reserved words in method names correctly' do
+      objref = 'mock@123'
+      instance = double('JsiiObject')
+      allow(Jsii::Object).to receive(:find_by_ref).with(objref).and_return(instance)
+      
+      invoke_req = {
+        'objref' => objref,
+        'method' => 'send', # JS name is 'send'
+        'args' => []
+      }
+
+      # We expect __send__ to be called with '_send' as the method name
+      expect(instance).to receive(:__send__).with('_send')
+
+      callbacks.send(:handle_callback_invoke, invoke_req)
+    end
+  end
+
+  describe '#handle_callback_get' do
+    it 'escapes reserved words in property names correctly' do
+      objref = 'mock@123'
+      instance = double('JsiiObject')
+      allow(Jsii::Object).to receive(:find_by_ref).with(objref).and_return(instance)
+      
+      get_req = {
+        'objref' => objref,
+        'property' => 'class' # JS name is 'class'
+      }
+
+      expect(instance).to receive(:__send__).with('_class')
+      callbacks.send(:handle_callback_get, get_req)
+    end
+  end
+
+  describe '#handle_callback_set' do
+    it 'escapes reserved words in property setters correctly' do
+      objref = 'mock@123'
+      instance = double('JsiiObject')
+      allow(Jsii::Object).to receive(:find_by_ref).with(objref).and_return(instance)
+      
+      set_req = {
+        'objref' => objref,
+        'property' => 'class', # JS name is 'class'
+        'value' => 'new_value'
+      }
+
+      expect(instance).to receive(:__send__).with('_class=', 'new_value')
+      callbacks.send(:handle_callback_set, set_req)
+    end
+  end
+end