Descriptions could be better

[francisdb]

0 0 0 1 1 ?
at 00:00 at 1 day at January month

0/1 * * * * ?
every seconds

https://github.com/RedHogs/cron-parser seems to be doing a way better job...

[jmrozanec]

Yes, we need to improve this. More examples would be useful, so that we can use them for tests and improve current descriptions. Thanks!

[francisdb]

Their tests contain all needed examples:
https://github.com/RedHogs/cron-parser/blob/master/src/test/java/net/redhogs/cronparser/CronExpressionDescriptorTest.java (also other languages available)

[Naxos84]

public class TestDescriptor {

    // SoM MoH HoD D0M MoY  DoW Year
    // 3/4 5/6 7/8 9/2 10/2 ?   2017/2

    //expected result (separated in lines) (taken from https://www.freeformatter.com/cron-expression-generator-quartz.html)
    //Every 4 seconds starting at second 03,
    //every 6 minutes starting at minute :05,
    //every 8 hours starting at 07am,
    //every 2 days starting on the 9th,
    //every 2 months starting in October,
    //every 2 years starting in 2017
    @Test
    public void testFull() {
        final CronDefinition cronDefinition = CronDefinitionBuilder.instanceDefinitionFor(CronType.QUARTZ);
        final CronParser parser = new CronParser(cronDefinition);
        final Cron cron = parser.parse("3/4 5/6 7/8 9/2 10/2 ? 2017/2");
        System.out.println(CronDescriptor.instance().describe(cron));
    }

}

This gives: every 4 seconds every 6 minutes every 8 hours every 2 days every February months every 2 year
After fixing a formatting issue during runtime. see #300

Therefore I'm currently working on a big bunch of tests to cover a lot of description examples.