AbstractTilesInitializer implements TilesInitializer { protected String getContainerKey(ApplicationContext applicationContext) { return null; }  void initialize(ApplicationContext applicationContext); void destroy(); static final String CONTAINER_KEY_INIT_PARAMETER; }
@Test public void testGetContainerKey() { ApplicationContext context = createMock(ApplicationContext.class); replay(containerFactory, context); assertNull(initializer.getContainerKey(context)); verify(containerFactory, context); }