@Test
public void shouldSaveMsgContentInHIstoryWhenReceivesAMsg() throws Exception {

	Mockito.when(exchange.getIn()).thenReturn(message);
	Mockito.when(message.getHeader(Configuration.USER, User.class)).thenReturn(user);
	Mockito.when(message.getHeader(Configuration.CONTENT, Content.class)).thenReturn(content);
	
	downloadHistory.process(exchange);
	Mockito.verify(contentManager).saveInHistory(content, user);
}