Testing @Scheduled in spring

You can test the actual method execution using the regular JUnit, but to test if the @Scheduled(cron = "0 * * * * *") you specified is correct you can use:

@Test
public void testScheduler(){
    // to test if a cron expression runs only from Monday to Friday
    org.springframework.scheduling.support.CronTrigger trigger = 
                                      new CronTrigger("0 0 1 * * MON-FRI");
    Calendar today = Calendar.getInstance();
    today.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);

    SimpleDateFormat df = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss EEEE"); 
    final Date yesterday = today.getTime();
    log.info("Yesterday was : " + df.format(yesterday));
    Date nextExecutionTime = trigger.nextExecutionTime(
        new TriggerContext() {

            @Override
            public Date lastScheduledExecutionTime() {
                return yesterday;
            }

            @Override
            public Date lastActualExecutionTime() {
                return yesterday;
            }

            @Override
            public Date lastCompletionTime() {
                return yesterday;
            }
        });

    String message = "Next Execution date: " + df.format(nextExecutionTime);
    log.info(message);

}

Here is the output:

Yesterday was : 2015/11/06 11:41:58 Friday

Next Execution date: 2015/11/09 01:00:00 Monday

As the last execution (set in the TriggerContext) was a Friday, the next execution will be on the following Monday.

I was fiddling with the Spring api and I found this solution, I hope this helps somebody as it helped me.