rand dingle

gistfile1.java

package dingle;

@RunWith(Theories.class)
public class DingleTest {

    @DataPoints
    public static DbDingle[] randDingles() {
        long now = System.currentTimeMillis();
        RandGenerator rand = new RandGenerator();
        return rand.randDingles(100).toArray(new DbDingle[100]);
    }

    @Theory
    public void nextDeliveryDateIsZeroIfAllDatesInPast(DbDingle c) {
        assumeThat(c.getType(), is(DingleType.singleDate));

        String today = c.getSendDateFormat().print(System.currentTimeMillis());
        assumeFalse(Iterables.filter(c.getEvents(), Predicates.and(Events.isActive, Events.sendDateOnOrAfter(today))).iterator().hasNext());

        assertEquals(0L, Dingles.toDingle(c, System.currentTimeMillis()).getNextDeliveryDate().longValue());
    }

    @Theory
    public void nextDeliveryDateIsZeroIfAllEventsInactive(DbDingle c) {
        assumeFalse(Iterables.filter(c.getEvents(), Events.isActive).iterator().hasNext());

        assertEquals(0L, Dingles.toDingle(c, System.currentTimeMillis()).getNextDeliveryDate().longValue());
    }

    @Theory
    public void dingleNextDeliveryDateIsMinEventDeliveryDate(DbDingle c) throws Exception {
        assumeThat(c.getType(), is(DingleType.singleDate));
        assumeTrue(c.isActive());
        assumeFalse(c.isArchived());

        Date now = new Date();
        String today = c.getSendDateFormat().print(now.getTime());
        Iterable<DbEvent> events = Iterables.filter(c.getEvents(),
                Predicates.and(Events.isActive, Events.sendDateOnOrAfter(today), Events.lastRunDateBefore(today)));
        assumeTrue(events.iterator().hasNext());

        Dingle dingle = Dingles.toDingle(c, now.getTime());
        DbEvent min = null;
        for (DbEvent event : events) {
            if (min == null || event.getSendDate().compareTo(min.getSendDate()) < 0) {
                min = event;
            }
        }

        long expected = c.getSendDateFormat().parseMillis(min.getSendDate());

        assertEquals(expected, dingle.getNextDeliveryDate().longValue());
    }

}

gistfile2.java

public class RandGenerator {

    public RandGenerator(Random rand) {
        this.rand = rand;
    }

    public DbDingleBuilder randDingleBuilder() {
        return randDingleBuilder(rand.nextInt(20), rand.nextBoolean());
    }

    public DbDingleBuilder randDingleBuilder(int eventCount, boolean randEventDeleted) {
        boolean preBuilt = rand.nextBoolean();
        return new DbDingleBuilder()
                .setExternalAppId((long)rand.nextInt())
                .setDateCreated(randTime())
                .setNextProcessTime(randTime())
                .setSyncCount((long)rand.nextInt())
                .setName(randStr(8))
                .setType((DingleType) randValue(DingleType.values()))
                .setActive(rand.nextBoolean())
                .setArchived(rand.nextBoolean())
                .setUserId(String.valueOf(rand.nextInt() + 1000))
                .setUserDisplayName(randStr(10))
                .setUserEmail(randEmail())
                .setUserCanDelete(randBool())
                .setUserCanModify(randBool())
                .setPreBuilt(preBuilt)
                .setImageUrl(randStr(8))
                .setParentDingleId(rand.nextBoolean() ? null : (long) rand.nextInt())
                .setTimeZoneId((String) randValue(timeZoneIds))
                .setContactIds(ImmutableList.copyOf(randIdSet(0, 20)))
                .setGroupIds(ImmutableList.copyOf(randIdSet(0, 10)))
                .setEvents(ImmutableList.copyOf(randEvents(0, eventCount, randEventDeleted)))
                .setSubscriberCount(preBuilt ? new SubscriberCount.Builder().active(0L).all(0L).inactive(0L).build() : null);
    }

    public DbDingle randDingle() {
        return randDingle(false);
    }

    public DbDingle randDingle(boolean randEventDeleted) {
        return randDingle(rand.nextInt(20), randEventDeleted);
    }

    public DbDingle randDingle(int eventCount, boolean randEventDeleted) {
        return randDingleBuilder(eventCount, randEventDeleted).createDbDingle();
    }

}