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Add accuracy moon tests (#14182) 

Signed-off-by: lsiepel <leosiepel@gmail.com>
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lsiepel 2023-01-11 08:58:13 +01:00 committed by GitHub
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bundles/org.openhab.binding.astro/src/test/java/org/openhab/binding/astro/internal/calc/MoonCalcTest.java Normal file
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/**
* Copyright (c) 2010-2023 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.astro.internal.calc;
import static org.junit.jupiter.api.Assertions.*;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.TimeZone;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.openhab.binding.astro.internal.model.Moon;
import org.openhab.binding.astro.internal.model.ZodiacSign;
/***
* Specific unit tests to check if {@link MoonCalc} generates correct data for
* Amsterdam city on 27 February 2019. In particular the following cases are
* covered:
* <ul>
* <li>checks if generated data are the same (with some accuracy) as produced by
* haevens-above.com</li>
* </ul>
*
* @author Leo Siepel - Initial contribution
* @see <a href="https://www.heavens-above.com/Moon.aspx">Heavens Above Moon</a>
*/
public class MoonCalcTest {
private static final TimeZone TIME_ZONE = TimeZone.getTimeZone("Europe/Amsterdam");
private static final Calendar FEB_27_2019 = MoonCalcTest.newCalendar(2019, Calendar.FEBRUARY, 27, 1, 0, TIME_ZONE);
private static final double AMSTERDAM_LATITUDE = 52.367607;
private static final double AMSTERDAM_LONGITUDE = 4.8978293;
private static final int ACCURACY_IN_MILLIS = 5 * 60 * 1000;
private static final int ACCURACY_IN_KILOMETRES = 4;
private static final double ACCURACY_IN_DEGREE = 0.3;
private MoonCalc moonCalc;
@BeforeEach
public void init() {
moonCalc = new MoonCalc();
}
@Test
public void testGetMoonInfoForOldDate() {
Moon moon = moonCalc.getMoonInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE);
assertNotNull(moon.getApogee());
assertNotNull(moon.getPerigee());
assertNotNull(moon.getDistance());
assertNotNull(moon.getEclipse());
assertNotNull(moon.getPhase());
assertNotNull(moon.getPosition());
assertNotNull(moon.getRise());
assertNotNull(moon.getSet());
assertNotNull(moon.getZodiac());
// for an old date the phase should not be calculated
assertNull(moon.getPhase().getName());
}
@Test
public void testGetMoonInfoForApogeeAccuracy() {
Moon moon = moonCalc.getMoonInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE);
// expected result from haevens-above.com is 406,391 km @ 04 March 2019 12:27
assertEquals(406391, moon.getApogee().getDistance().doubleValue(), ACCURACY_IN_KILOMETRES);
assertEquals(MoonCalcTest.newCalendar(2019, Calendar.MARCH, 4, 12, 27, TIME_ZONE).getTimeInMillis(),
moon.getApogee().getDate().getTimeInMillis(), ACCURACY_IN_MILLIS);
}
@Test
public void testGetMoonInfoForPerigeeAccuracy() {
Moon moon = moonCalc.getMoonInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE);
// expected result from haevens-above.com is 359,377 km @ 19 February 2019 20:44
assertEquals(359377, moon.getPerigee().getDistance().doubleValue(), ACCURACY_IN_KILOMETRES);
assertEquals(MoonCalcTest.newCalendar(2019, Calendar.MARCH, 19, 20, 48, TIME_ZONE).getTimeInMillis(),
moon.getPerigee().getDate().getTimeInMillis(), ACCURACY_IN_MILLIS);
}
@Test
public void testGetMoonInfoForRiseAccuracy() {
Moon moon = moonCalc.getMoonInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE);
// expected result from haevens-above.com is 03:00
assertEquals(MoonCalcTest.newCalendar(2019, Calendar.FEBRUARY, 27, 3, 0, TIME_ZONE).getTimeInMillis(),
moon.getRise().getStart().getTimeInMillis(), ACCURACY_IN_MILLIS);
}
@Test
public void testGetMoonInfoForSetAccuracy() {
Moon moon = moonCalc.getMoonInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE);
// expected result from haevens-above.com is 11:35
assertEquals(MoonCalcTest.newCalendar(2019, Calendar.FEBRUARY, 27, 11, 35, TIME_ZONE).getTimeInMillis(),
moon.getSet().getStart().getTimeInMillis(), ACCURACY_IN_MILLIS);
}
@Test
public void testGetMoonInfoForZodiac() {
Moon moon = moonCalc.getMoonInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE);
moonCalc.setPositionalInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE, moon);
assertEquals(ZodiacSign.SAGITTARIUS, moon.getZodiac().getSign());
}
@Test
public void testGetMoonInfoForMoonPositionAccuracy() {
Moon moon = moonCalc.getMoonInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE);
moonCalc.setPositionalInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE, moon);
// expected result from haevens-above.com is Azimuth: 100.5, altitude -17
assertEquals(100.5, moon.getPosition().getAzimuth().doubleValue(), ACCURACY_IN_DEGREE);
assertEquals(-17, moon.getPosition().getElevation().doubleValue(), ACCURACY_IN_DEGREE);
}
@Test
public void testGetMoonInfoForMoonDistanceAccuracy() {
Moon moon = moonCalc.getMoonInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE);
moonCalc.setPositionalInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE, moon);
// expected result from haevens-above.com is 392612 km
assertEquals(392612, moon.getDistance().getDistance().doubleValue(), ACCURACY_IN_KILOMETRES);
}
@Test
public void testGetMoonInfoForMoonPhaseAccuracy() {
Moon moon = moonCalc.getMoonInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE);
moonCalc.setPositionalInfo(FEB_27_2019, AMSTERDAM_LATITUDE, AMSTERDAM_LONGITUDE, moon);
// New moon 06 March 2019 17:04
// First quarter 14 March 2019 11:27
// Full moon 21 March 2019 02:43
// Last quarter 28 March 2019 05:10
assertEquals(MoonCalcTest.newCalendar(2019, Calendar.MARCH, 06, 17, 04, TIME_ZONE).getTimeInMillis(),
moon.getPhase().getNew().getTimeInMillis(), ACCURACY_IN_MILLIS);
assertEquals(MoonCalcTest.newCalendar(2019, Calendar.MARCH, 14, 11, 27, TIME_ZONE).getTimeInMillis(),
moon.getPhase().getFirstQuarter().getTimeInMillis(), ACCURACY_IN_MILLIS);
assertEquals(MoonCalcTest.newCalendar(2019, Calendar.MARCH, 21, 02, 43, TIME_ZONE).getTimeInMillis(),
moon.getPhase().getFull().getTimeInMillis(), ACCURACY_IN_MILLIS);
assertEquals(MoonCalcTest.newCalendar(2019, Calendar.MARCH, 28, 05, 10, TIME_ZONE).getTimeInMillis(),
moon.getPhase().getThirdQuarter().getTimeInMillis(), ACCURACY_IN_MILLIS);
}
/***
* Constructs a <code>GregorianCalendar</code> with the given date and time set
* for the provided time zone.
*
* @param year
* the value used to set the <code>YEAR</code> calendar field in the
* calendar.
* @param month
* the value used to set the <code>MONTH</code> calendar field in the
* calendar. Month value is 0-based. e.g., 0 for January.
* @param dayOfMonth
* the value used to set the <code>DAY_OF_MONTH</code> calendar field
* in the calendar.
* @param hourOfDay
* the value used to set the <code>HOUR_OF_DAY</code> calendar field
* in the calendar.
* @param minute
* the value used to set the <code>MINUTE</code> calendar field in
* the calendar.
* @param zone
* the given time zone.
* @return
*/
private static Calendar newCalendar(int year, int month, int dayOfMonth, int hourOfDay, int minute, TimeZone zone) {
Calendar result = new GregorianCalendar(year, month, dayOfMonth, hourOfDay, minute);
result.setTimeZone(zone);
return result;
}
}