public void testTemplateWithRenderable() throws IOException {
HtmlCanvas html = new HtmlCanvas();
html.getPageContext().set("timestamp", new Date().toString());
PersonUI ui = new PersonUI(new Person());
html.getPageContext().set("person", new RenderableAttribute(html,ui));
html.render(StringTemplate.get("templates/wrapper.html"));
System.out.println(html.toHtml());
}