public void testGetVirtualWikiValue() throws Exception {
WikiPage page = crawler.addPage(root, PathParser.parse("PageOne"));
PageData data = page.getData();
assertEquals("", PropertiesResponder.getVirtualWikiValue(data));
data.setAttribute(WikiPageProperties.VIRTUAL_WIKI_ATTRIBUTE, "http://www.objectmentor.com");
assertEquals("http://www.objectmentor.com", PropertiesResponder.getVirtualWikiValue(data));
}