2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.astro.internal.util;
15 import static org.junit.jupiter.api.Assertions.assertEquals;
17 import java.util.Calendar;
18 import java.util.GregorianCalendar;
19 import java.util.TimeZone;
21 import org.junit.jupiter.api.BeforeEach;
22 import org.junit.jupiter.api.Test;
23 import org.openhab.binding.astro.internal.calc.SeasonCalc;
24 import org.openhab.binding.astro.internal.model.Season;
27 * Test class for {@link DateTimeUtils}.
29 * @author Hilbrand Bouwkamp - Initial contribution
31 public class DateTimeUtilsTest {
33 private static final TimeZone TIME_ZONE = TimeZone.getTimeZone("Europe/Amsterdam");
34 private static final Calendar JAN_20_2020 = newCalendar(2020, Calendar.JANUARY, 20, 1, 0, TIME_ZONE);
35 private static final Calendar MAY_20_2020 = newCalendar(2020, Calendar.MAY, 20, 1, 0, TIME_ZONE);
36 private static final Calendar SEPT_20_2020 = newCalendar(2020, Calendar.SEPTEMBER, 20, 1, 0, TIME_ZONE);
37 private static final Calendar DEC_10_2020 = newCalendar(2020, Calendar.DECEMBER, 1, 1, 0, TIME_ZONE);
38 private static final Calendar DEC_10_2021 = newCalendar(2021, Calendar.DECEMBER, 1, 1, 0, TIME_ZONE);
39 private static final double AMSTERDAM_LATITUDE = 52.367607;
40 private static final double SYDNEY_LATITUDE = -33.87;
42 private SeasonCalc seasonCalc;
46 seasonCalc = new SeasonCalc();
50 public void testGetSeasonAmsterdam() {
51 final Season season = seasonCalc.getSeason(DEC_10_2020, AMSTERDAM_LATITUDE, true);
53 assertNextSeason(season.getSpring(), 2020, JAN_20_2020, season);
54 assertNextSeason(season.getSummer(), 2020, MAY_20_2020, season);
55 assertNextSeason(season.getWinter(), 2020, SEPT_20_2020, season);
56 assertNextSeason(seasonCalc.getSeason(DEC_10_2021, AMSTERDAM_LATITUDE, true).getSpring(), 2021, DEC_10_2020,
61 public void testGetSeasonSydney() {
62 final Season season = seasonCalc.getSeason(DEC_10_2020, SYDNEY_LATITUDE, true);
64 assertNextSeason(season.getAutumn(), 2020, JAN_20_2020, season);
65 assertNextSeason(season.getWinter(), 2020, MAY_20_2020, season);
66 assertNextSeason(season.getSummer(), 2020, SEPT_20_2020, season);
67 assertNextSeason(seasonCalc.getSeason(DEC_10_2021, SYDNEY_LATITUDE, true).getAutumn(), 2021, DEC_10_2020,
73 Calendar cal = newCalendar(2021, 9, 30, 11, 54, TIME_ZONE);
74 Calendar target = newCalendar(2021, 9, 30, 0, 0, TIME_ZONE);
75 Calendar truncated = DateTimeUtils.truncateToMidnight(cal);
76 assertEquals(truncated, target);
77 Calendar endOfDay = DateTimeUtils.endOfDayDate(cal);
78 Calendar target2 = new GregorianCalendar(2021, 9, 30, 23, 59, 59);
79 target2.setTimeZone(TIME_ZONE);
80 target2.set(Calendar.MILLISECOND, 999);
81 assertEquals(endOfDay, target2);
84 private static void assertNextSeason(Calendar expectedSeason, int expectedYear, Calendar date, Season season) {
85 final Calendar nextSeason = DateTimeUtils.getNext(date, season.getSpring(), season.getSummer(),
86 season.getAutumn(), season.getWinter());
87 assertEquals(expectedSeason, nextSeason, "Should return the expected season name.");
88 assertEquals(expectedYear, nextSeason.get(Calendar.YEAR), "Should return the year matching the next season.");
91 private static Calendar newCalendar(int year, int month, int dayOfMonth, int hourOfDay, int minute, TimeZone zone) {
92 Calendar result = new GregorianCalendar(year, month, dayOfMonth, hourOfDay, minute);
93 result.setTimeZone(zone);