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Adding code for BAEL-1845 (#4524)

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tamasradu 2018-06-22 18:15:08 +03:00 committed by maibin
parent 548d7abc82
commit 550806ab32
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libraries/src/test/java/com/baeldung/jodatime/JodaTimeUnitTest.java Normal file
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package com.baeldung.jodatime;
import org.joda.time.*;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.junit.Test;
import java.util.Date;
import java.util.TimeZone;
import static org.junit.Assert.*;
public class JodaTimeUnitTest {
@Test
public void testDateTimeRepresentation() {
DateTimeZone.setDefault(DateTimeZone.forID("Europe/Bucharest"));
// representing current date and time
LocalDate currentDate = LocalDate.now();
LocalTime currentTime = LocalTime.now();
LocalDateTime currentLocalDateTime = LocalDateTime.now();
LocalDateTime currentDateTimeFromJavaDate = new LocalDateTime(new Date());
Date currentJavaDate = currentDateTimeFromJavaDate.toDate();
// representing custom date and time
Date oneMinuteAgoDate = new Date(System.currentTimeMillis() - (60 * 1000));
Instant oneMinutesAgoInstant = new Instant(oneMinuteAgoDate);
DateTime customDateTimeFromInstant = new DateTime(oneMinutesAgoInstant);
DateTime customDateTimeFromJavaDate = new DateTime(oneMinuteAgoDate);
DateTime customDateTimeFromString = new DateTime("2018-05-05T10:11:12.123");
DateTime customDateTimeFromParts = new DateTime(2018, 5, 5, 10, 11, 12, 123);
// parsing
DateTime parsedDateTime = DateTime.parse("2018-05-05T10:11:12.123");
assertEquals("2018-05-05T10:11:12.123+03:00", parsedDateTime.toString());
DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern("MM/dd/yyyy HH:mm:ss");
DateTime parsedDateTimeUsingFormatter = DateTime.parse("05/05/2018 10:11:12", dateTimeFormatter);
assertEquals("2018-05-05T10:11:12.000+03:00", parsedDateTimeUsingFormatter.toString());
// Instant
Instant instant = new Instant();
Instant.now();
Instant instantFromString = new Instant("2018-05-05T10:11:12");
Instant instantFromDate = new Instant(oneMinuteAgoDate);
Instant instantFromTimestamp = new Instant(System.currentTimeMillis() - (60 * 1000));
Instant parsedInstant = Instant.parse("05/05/2018 10:11:12", dateTimeFormatter);
Instant instantNow = Instant.now();
Instant oneMinuteAgoInstant = new Instant(oneMinuteAgoDate);
// epochMilli and epochSecond
long milliesFromEpochTime = System.currentTimeMillis();
long secondsFromEpochTime = milliesFromEpochTime / 1000;
Instant instantFromEpochMilli = Instant.ofEpochMilli(milliesFromEpochTime);
Instant instantFromEpocSeconds = Instant.ofEpochSecond(secondsFromEpochTime);
// convert Instants
DateTime dateTimeFromInstant = instant.toDateTime();
Date javaDateFromInstant = instant.toDate();
int year = instant.get(DateTimeFieldType.year());
int month = instant.get(DateTimeFieldType.monthOfYear());
int day = instant.get(DateTimeFieldType.dayOfMonth());
int hour = instant.get(DateTimeFieldType.hourOfDay());
// Duration, Period, Instant
long currentTimestamp = System.currentTimeMillis();
long oneHourAgo = currentTimestamp - 24*60*1000;
Duration duration = new Duration(oneHourAgo, currentTimestamp);
Instant.now().plus(duration);
long durationInDays = duration.getStandardDays();
long durationInHours = duration.getStandardHours();
long durationInMinutes = duration.getStandardMinutes();
long durationInSeconds = duration.getStandardSeconds();
long durationInMilli = duration.getMillis();
// converting between classes
DateTimeUtils.setCurrentMillisFixed(currentTimestamp);
LocalDateTime currentDateAndTime = LocalDateTime.now();
assertEquals(currentTimestamp, currentDateAndTime.toDate().getTime());
assertEquals(new DateTime(currentTimestamp), currentDateAndTime.toDateTime());
assertEquals(new LocalDate(currentTimestamp), currentDateAndTime.toLocalDate());
assertEquals(new LocalTime(currentTimestamp), currentDateAndTime.toLocalTime());
}
@Test
public void testJodaInstant() {
Date oneMinuteAgoDate = new Date(System.currentTimeMillis() - (60 * 1000));
Instant instantNow = Instant.now();
Instant oneMinuteAgoInstant = new Instant(oneMinuteAgoDate);
assertTrue(instantNow.compareTo(oneMinuteAgoInstant) > 0);
assertTrue(instantNow.isAfter(oneMinuteAgoInstant));
assertTrue(oneMinuteAgoInstant.isBefore(instantNow));
assertTrue(oneMinuteAgoInstant.isBeforeNow());
assertFalse(oneMinuteAgoInstant.isEqual(instantNow));
LocalDateTime localDateTime = new LocalDateTime("2018-02-01");
Period period = new Period().withMonths(1);
LocalDateTime datePlusPeriod = localDateTime.plus(period);
Instant startInterval1 = new Instant("2018-05-05T09:00:00.000");
Instant endInterval1 = new Instant("2018-05-05T11:00:00.000");
Interval interval1 = new Interval(startInterval1, endInterval1);
Instant startInterval2 = new Instant("2018-05-05T10:00:00.000");
Instant endInterval2 = new Instant("2018-05-05T11:00:00.000");
Interval interval2 = new Interval(startInterval2, endInterval2);
Instant startInterval3 = new Instant("2018-05-05T11:00:00.000");
Instant endInterval3 = new Instant("2018-05-05T13:00:00.000");
Interval interval3 = new Interval(startInterval3, endInterval3);
Interval overlappingInterval = interval1.overlap(interval2);
Interval notOverlappingInterval = interval1.overlap(interval3);
assertTrue(overlappingInterval.isEqual(new Interval(new Instant("2018-05-05T10:00:00.000"), new Instant("2018-05-05T11:00:00.000"))));
assertNotNull(overlappingInterval);
interval1.abuts(interval3);
assertTrue(interval1.abuts(new Interval(new Instant("2018-05-05T11:00:00.000"), new Instant("2018-05-05T13:00:00.000"))));
interval1.gap(interval2);
}
@Test
public void testDateTimeOperations() {
DateTimeUtils.setCurrentMillisFixed(1529612783288L);
DateTimeZone.setDefault(DateTimeZone.UTC);
LocalDateTime currentLocalDateTime = LocalDateTime.now();
assertEquals("2018-06-21T20:26:23.288", currentLocalDateTime.toString());
LocalDateTime nextDayDateTime = currentLocalDateTime.plusDays(1);
assertEquals("2018-06-22T20:26:23.288", nextDayDateTime.toString());
Period oneMonth = new Period().withMonths(1);
LocalDateTime nextMonthDateTime = currentLocalDateTime.plus(oneMonth);
assertEquals("2018-07-21T20:26:23.288", nextMonthDateTime.toString());
LocalDateTime previousDayLocalDateTime = currentLocalDateTime.minusDays(1);
assertEquals("2018-06-20T20:26:23.288", previousDayLocalDateTime.toString());
LocalDateTime currentDateAtHour10 = currentLocalDateTime
.withHourOfDay(0)
.withMinuteOfHour(0)
.withSecondOfMinute(0)
.withMillisOfSecond(0);
assertEquals("2018-06-21T00:00:00.000", currentDateAtHour10.toString());
}
@Test
public void testTimezones() {
System.getProperty("user.timezone");
DateTimeZone.getAvailableIDs();
// DateTimeZone.setDefault(DateTimeZone.forID("Europe/Bucharest"));
DateTimeUtils.setCurrentMillisFixed(1529612783288L);
DateTime dateTimeInChicago = new DateTime(DateTimeZone.forID("America/Chicago"));
assertEquals("2018-06-21T15:26:23.288-05:00", dateTimeInChicago.toString());
DateTime dateTimeInBucharest = new DateTime(DateTimeZone.forID("Europe/Bucharest"));
assertEquals("2018-06-21T23:26:23.288+03:00", dateTimeInBucharest.toString());
LocalDateTime localDateTimeInChicago = new LocalDateTime(DateTimeZone.forID("America/Chicago"));
assertEquals("2018-06-21T15:26:23.288", localDateTimeInChicago.toString());
DateTime convertedDateTime = localDateTimeInChicago.toDateTime(DateTimeZone.forID("Europe/Bucharest"));
assertEquals("2018-06-21T15:26:23.288+03:00", convertedDateTime.toString());
Date convertedDate = localDateTimeInChicago.toDate(TimeZone.getTimeZone("Europe/Bucharest"));
assertEquals("Thu Jun 21 15:26:23 EEST 2018", convertedDate.toString());
}
}