SingleValueAssignExtension implements CustomTagExtension<Assign> { public String getTagName() { return "assign"; }  Class<Assign> getTagActionClass(); String getTagName(); String getTagNameSpace(); List<Map<String, String>> pipelinePossibleStates(Assign action, List<Map<String, String>> possibleStateList);  }
@Test public void tagNameTest() { SingleValueAssignExtension assign = new SingleValueAssignExtension(); Assert.assertEquals("assign", assign.getTagName()); }