assertEquals("wfId", eval.evaluate("${wf:id()}", String.class));
assertEquals("name", eval.evaluate("${wf:name()}", String.class));
assertEquals("appPath", eval.evaluate("${wf:appPath()}", String.class));
assertEquals("A", eval.evaluate("${wf:conf('a')}", String.class));
assertEquals("A", eval.evaluate("${a}", String.class));
assertEquals("user", eval.evaluate("${wf:user()}", String.class));
assertEquals("group", eval.evaluate("${wf:group()}", String.class));
assertTrue(eval.evaluate("${wf:callback('XX')}", String.class).contains("id=actionId"));
assertTrue(eval.evaluate("${wf:callback('XX')}", String.class).contains("status=XX"));
assertTrue(eval.evaluate("${wf:callback('XX')}", String.class).contains("status=XX"));
assertEquals(2, (int) eval.evaluate("${wf:run()}", Integer.class));