/**
* Test method for {@link uk.me.g4dpz.satellite.PassPredictor#nextSatPass(java.util.Date,
* boolean)}.
*/
@Test
public final void testNextSatPassWithWindBack() {
final TLE tle = new TLE(LEO_TLE);
Assert.assertTrue(!tle.isDeepspace());
try {
final PassPredictor passPredictor = new PassPredictor(tle, GROUND_STATION);
final DateTime cal = new DateTime(DATE_2009_01_05T04_30_00Z);
final SatPassTime passTime = passPredictor.nextSatPass(cal.toDate(), true);
Assert.assertEquals(DATE_2009_01_05T04_28_10_0000, TZ_FORMAT.format(passTime.getStartTime()));
Assert.assertEquals(DATE_2009_01_05T04_32_15_0000, TZ_FORMAT.format(passTime.getEndTime()));
Assert.assertEquals(NONE, passTime.getPolePassed());
Assert.assertEquals(52, passTime.getAosAzimuth());
Assert.assertEquals(84, passTime.getLosAzimuth());
Assert.assertEquals(0.9, passTime.getMaxEl(), 0.05);
Assert.assertEquals(
Long.valueOf(436802379L),
passPredictor.getDownlinkFreq(436800000L, passTime.getStartTime()));
Assert.assertEquals(
Long.valueOf(145800719L), passPredictor.getUplinkFreq(145800000L, passTime.getEndTime()));
} catch (final InvalidTleException e) {
Assert.fail(INVALID_TLE_EXCEPTION_WAS_THROWN);
} catch (final SatNotFoundException snfe) {
Assert.fail(SAT_NOT_FOUND_EXCEPTION_WAS_THROWN);
}
}
/** test to determine if the antenna would track through a pole during a pass */
@Test
public final void poleIsPassed() {
final TLE tle = new TLE(LEO_TLE);
Assert.assertTrue(!tle.isDeepspace());
try {
final PassPredictor passPredictor = new PassPredictor(tle, GROUND_STATION);
DateTime cal = new DateTime(DATE_2009_01_05T07_00_00Z);
boolean northFound = false;
boolean southFound = false;
for (int minute = 0; minute < 60 * 24 * 7; minute++) {
final long startTime = cal.toDate().getTime();
if (northFound && southFound) {
break;
}
final SatPassTime passTime = passPredictor.nextSatPass(cal.toDate());
final long endTime = passTime.getEndTime().getTime();
final String polePassed = passTime.getPolePassed();
if (!polePassed.equals(NONE)) {
if (!northFound && polePassed.equals(NORTH)) {
Assert.assertEquals(
"2009-01-05T07:42:45+0000, north",
String.format(STRING_PAIR, TZ_FORMAT.format(passTime.getStartTime()), polePassed));
northFound = true;
minute += (int) ((endTime - startTime) / 60000);
} else if (!southFound && polePassed.equals("south")) {
Assert.assertEquals(
"2009-01-06T07:03:20+0000, south",
String.format(STRING_PAIR, TZ_FORMAT.format(passTime.getStartTime()), polePassed));
southFound = true;
minute += (int) ((endTime - startTime) / 60000);
}
}
cal = cal.plusMinutes(minute);
}
} catch (final InvalidTleException e) {
Assert.fail(INVALID_TLE_EXCEPTION_WAS_THROWN);
} catch (final SatNotFoundException snfe) {
Assert.fail(SAT_NOT_FOUND_EXCEPTION_WAS_THROWN);
}
}
/** Test method for {@link uk.me.g4dpz.satellite.PassPredictor#nextSatPass(java.util.Date)}. */
@Test
public final void testNextSatPass() {
final TLE tle = new TLE(LEO_TLE);
Assert.assertTrue(!tle.isDeepspace());
try {
final PassPredictor passPredictor = new PassPredictor(tle, GROUND_STATION);
final DateTime cal = new DateTime("2009-01-05T00:00:00Z");
SatPassTime passTime = passPredictor.nextSatPass(cal.toDate());
Assert.assertEquals(DATE_2009_01_05T04_28_10_0000, TZ_FORMAT.format(passTime.getStartTime()));
Assert.assertEquals(DATE_2009_01_05T04_32_15_0000, TZ_FORMAT.format(passTime.getEndTime()));
Assert.assertEquals("2009-01-05T04:30:10+0000", TZ_FORMAT.format(passTime.getTCA()));
Assert.assertEquals(NONE, passTime.getPolePassed());
Assert.assertEquals(52, passTime.getAosAzimuth());
Assert.assertEquals(84, passTime.getLosAzimuth());
Assert.assertEquals("0.9", String.format("%3.1f", passTime.getMaxEl()));
Assert.assertEquals(
Long.valueOf(436802379L),
passPredictor.getDownlinkFreq(436800000L, passTime.getStartTime()));
Assert.assertEquals(
Long.valueOf(145800719L), passPredictor.getUplinkFreq(145800000L, passTime.getEndTime()));
passTime = passPredictor.nextSatPass(passTime.getStartTime());
Assert.assertEquals("2009-01-05T06:04:00+0000", TZ_FORMAT.format(passTime.getStartTime()));
Assert.assertEquals("2009-01-05T06:18:00+0000", TZ_FORMAT.format(passTime.getEndTime()));
Assert.assertEquals(NONE, passTime.getPolePassed());
Assert.assertEquals(22, passTime.getAosAzimuth());
Assert.assertEquals(158, passTime.getLosAzimuth());
Assert.assertEquals(24.42, passTime.getMaxEl(), 0.02);
passTime = passPredictor.nextSatPass(passTime.getStartTime());
Assert.assertEquals("2009-01-05T07:42:45+0000", TZ_FORMAT.format(passTime.getStartTime()));
Assert.assertEquals("2009-01-05T07:57:50+0000", TZ_FORMAT.format(passTime.getEndTime()));
Assert.assertEquals(NORTH, passTime.getPolePassed());
Assert.assertEquals(11, passTime.getAosAzimuth());
Assert.assertEquals(207, passTime.getLosAzimuth());
Assert.assertEquals("62.19", String.format("%5.2f", passTime.getMaxEl()));
passTime = passPredictor.nextSatPass(passTime.getStartTime());
Assert.assertEquals("2009-01-05T09:22:05+0000", TZ_FORMAT.format(passTime.getStartTime()));
Assert.assertEquals("2009-01-05T09:34:20+0000", TZ_FORMAT.format(passTime.getEndTime()));
Assert.assertEquals(NORTH, passTime.getPolePassed());
Assert.assertEquals(4, passTime.getAosAzimuth());
Assert.assertEquals(256, passTime.getLosAzimuth());
Assert.assertEquals(14.3, passTime.getMaxEl(), 0.02);
passTime = passPredictor.nextSatPass(passTime.getStartTime());
Assert.assertEquals("2009-01-05T11:02:05+0000", TZ_FORMAT.format(passTime.getStartTime()));
Assert.assertEquals("2009-01-05T11:07:35+0000", TZ_FORMAT.format(passTime.getEndTime()));
Assert.assertEquals(NONE, passTime.getPolePassed());
Assert.assertEquals(355, passTime.getAosAzimuth());
Assert.assertEquals(312, passTime.getLosAzimuth());
Assert.assertEquals(1.8, passTime.getMaxEl(), 0.05);
} catch (final InvalidTleException e) {
Assert.fail(INVALID_TLE_EXCEPTION_WAS_THROWN);
} catch (final SatNotFoundException snfe) {
Assert.fail(SAT_NOT_FOUND_EXCEPTION_WAS_THROWN);
}
}
