1 files changed, 24 insertions, 0 deletions
diff --git a/test/lib/spec/callback/extensions/module.rb b/test/lib/spec/callback/extensions/module.rb
new file mode 100644
index 000000000..429268ed1
--- /dev/null
+++ b/test/lib/spec/callback/extensions/module.rb
@@ -0,0 +1,24 @@
+module Callback
+  module ModuleMethods
+    # For each event_name submitted, defines a callback event with this name.
+    # Client code can then register as a callback listener using object.event_name.
+    def callback_events(*event_names)
+      event_names.each do |event_name|
+        define_callback_event(event_name)
+      end
+    end
+
+    private
+    def define_callback_event(event_name)
+      module_eval <<-EOS
+        def #{event_name}(&block)
+          register_callback(:#{event_name}, &block)
+        end
+      EOS
+    end
+  end
+end
+
+class Module
+  include Callback::ModuleMethods
+end