Merge pull request #1287 from barneycarroll/ospec-spy-wrapping

[ospec] Spies reflect wrapped function's name & length

ospec/ospec.js

@@ -27,6 +27,11 @@ module.exports = new function init() {
 
 			if (fn) return fn.apply(this, arguments)
 		}
+		if (fn)
+			Object.defineProperties(spy, {
+				length: {value: fn.length},
+				name: {value: fn.name}
+			})
 		spy.args = []
 		spy.callCount = 0
 		return spy

ospec/tests/test-ospec.js

@@ -60,6 +60,8 @@ o.spec("ospec", function() {
 
 			var output = spy.call(state, {children: children})
 
+			o(spy.length).equals(1)
+			o(spy.name).equals("view")
 			o(spy.callCount).equals(1)
 			o(spy.args.length).equals(1)
 			o(spy.args[0]).deepEquals({children: children})