def testMJD(self):
ts = DateTime(45205.125, DateTime.MJD, DateTime.UTC)
self.assertEqual(ts.nsecs(DateTime.UTC), 399006000000000000L)
self.assertEqual(ts.nsecs(DateTime.TAI), 399006021000000000L)
self.assertAlmostEqual(ts.get(DateTime.MJD, DateTime.UTC), 45205.125)
self.assertAlmostEqual(ts.get(DateTime.MJD, DateTime.TAI), 45205.125 + 21.0/86400.0)
# Following interface is deprecated
self.assertAlmostEqual(ts.mjd(DateTime.UTC), 45205.125)
self.assertAlmostEqual(ts.mjd(DateTime.TAI), 45205.125 + 21.0/86400.0)
def testNsecs(self):
ts = DateTime(1192755473000000000L, DateTime.UTC)
self.assertEqual(ts.nsecs(DateTime.UTC), 1192755473000000000L)
self.assertEqual(ts.nsecs(DateTime.TAI), 1192755506000000000L)
self.assertEqual(ts.nsecs(), 1192755506000000000L)
self.assertAlmostEqual(ts.get(DateTime.MJD, DateTime.UTC), 54392.040196759262)
ts2 = ts
self.assertEqual(ts, ts2)
ts2 = DateTime(1192755473000000000L, DateTime.UTC)
self.assertEqual(ts, ts2)
ts2 = DateTime(1234567890000000000L, DateTime.UTC)
self.assertNotEqual(ts, ts2)
def testLeapSecond(self):
trials = ((45205., 21),
(41498.9, 10),
(41499.01, 11),
(57203.99, 35),
(57204.01, 36),
(57000., 35),
(57210., 36))
for mjd, diff in trials:
ts = DateTime(mjd, DateTime.MJD, DateTime.UTC)
delta = ts.nsecs(DateTime.TAI) - ts.nsecs(DateTime.UTC)
self.assertEqual(delta/1E9, diff)
def testFracSecs(self):
ts = DateTime("2004-03-01T12:39:45.1Z")
self.assertEqual(ts.toString(), '2004-03-01T12:39:45.100000000Z')
ts = DateTime("2004-03-01T12:39:45.01Z")
self.assertEqual(ts.toString(), '2004-03-01T12:39:45.010000000Z')
ts = DateTime("2004-03-01T12:39:45.000000001Z") # nanosecond
self.assertEqual(ts.toString(), '2004-03-01T12:39:45.000000001Z')
ts = DateTime("2004-03-01T12:39:45.0000000001Z") # too small
self.assertEqual(ts.toString(), '2004-03-01T12:39:45.000000000Z')
def testConvert(self):
year = 2012
month = 7
day = 19
hour = 18
minute = 29
second = 33
ts = DateTime(year, month, day, hour, minute, second, DateTime.UTC)
dt = ts.toPython(DateTime.UTC)
self.assertEqual(dt.year, year)
self.assertEqual(dt.month, month)
self.assertEqual(dt.day, day)
self.assertEqual(dt.hour, hour)
self.assertEqual(dt.minute, minute)
self.assertEqual(dt.second, second)
def testNow(self):
successes = 0
for i in xrange(10): # pylint: disable-msg=W0612
secs = time.time()
ts = DateTime.now()
diff = ts.nsecs(DateTime.UTC) / 1.0e9 - secs
if diff > -0.001 and diff < 0.1:
successes += 1
self.assertGreaterEqual(successes, 3)
def testNsecsDefault(self):
ts = DateTime(1192755506000000000L)
self.assertEqual(ts.nsecs(DateTime.UTC), 1192755473000000000L)
self.assertEqual(ts.nsecs(DateTime.TAI), 1192755506000000000L)
self.assertEqual(ts.nsecs(), 1192755506000000000L)
self.assertAlmostEqual(ts.get(DateTime.MJD, DateTime.UTC), 54392.040196759262)
def testCrossBoundaryNsecs(self):
ts = DateTime(631151998000000000L, DateTime.UTC)
self.assertEqual(ts.nsecs(DateTime.UTC), 631151998000000000L)
self.assertEqual(ts.nsecs(DateTime.TAI), 631152023000000000L)
def testBoundaryMJD(self):
ts = DateTime(47892.0, DateTime.MJD, DateTime.UTC)
self.assertEqual(ts.nsecs(DateTime.UTC), 631152000000000000L)
self.assertEqual(ts.nsecs(DateTime.TAI), 631152025000000000L)
self.assertEqual(ts.get(DateTime.MJD, DateTime.UTC), 47892.0)
def testNegative(self):
ts = DateTime("1969-03-01T00:00:32Z")
self.assertEqual(ts.toString(), '1969-03-01T00:00:32.000000000Z')
ts = DateTime("1969-01-01T00:00:00Z")
self.assertEqual(ts.toString(), '1969-01-01T00:00:00.000000000Z')
ts = DateTime("1969-01-01T00:00:40Z")
self.assertEqual(ts.toString(), '1969-01-01T00:00:40.000000000Z')
ts = DateTime("1969-01-01T00:00:38Z")
self.assertEqual(ts.toString(), '1969-01-01T00:00:38.000000000Z')
ts = DateTime("1969-03-01T12:39:45Z")
self.assertEqual(ts.toString(), '1969-03-01T12:39:45.000000000Z')
ts = DateTime("1969-03-01T12:39:45.000000001Z")
self.assertEqual(ts.toString(), '1969-03-01T12:39:45.000000001Z')
ts = DateTime("1969-03-01T12:39:45.12345Z")
self.assertEqual(ts.toString(), '1969-03-01T12:39:45.123450000Z')
ts = DateTime("1969-03-01T12:39:45.123456Z")
self.assertEqual(ts.toString(), '1969-03-01T12:39:45.123456000Z')
ts = DateTime()
self.assertEqual(ts.toString(), '1969-12-31T23:59:51.999918240Z')
ts = DateTime(-1L, DateTime.TAI)
self.assertEqual(ts.toString(), '1969-12-31T23:59:51.999918239Z')
ts = DateTime(0L, DateTime.TAI)
self.assertEqual(ts.toString(), '1969-12-31T23:59:51.999918240Z')
ts = DateTime(1L, DateTime.TAI)
self.assertEqual(ts.toString(), '1969-12-31T23:59:51.999918241Z')
ts = DateTime(-1L, DateTime.UTC)
self.assertEqual(ts.toString(), '1969-12-31T23:59:59.999999999Z')
ts = DateTime(0L, DateTime.UTC)
self.assertEqual(ts.toString(), '1970-01-01T00:00:00.000000000Z')
ts = DateTime(1L, DateTime.UTC)
self.assertEqual(ts.toString(), '1970-01-01T00:00:00.000000001Z')
def testIsoNoNSecs(self):
ts = DateTime("2009-04-02T07:26:39Z")
self.assertEqual(ts.nsecs(DateTime.TAI), 1238657233000000000L)
self.assertEqual(ts.nsecs(DateTime.UTC), 1238657199000000000L)
self.assertEqual(ts.toString(), "2009-04-02T07:26:39.000000000Z")
def testIsoExpanded(self):
ts = DateTime("2009-04-02T07:26:39.314159265Z")
self.assertEqual(ts.nsecs(DateTime.TAI), 1238657233314159265L)
self.assertEqual(ts.nsecs(DateTime.UTC), 1238657199314159265L)
self.assertEqual(ts.toString(), "2009-04-02T07:26:39.314159265Z")
def testIsoEpoch(self):
ts = DateTime("19700101T000000Z")
self.assertEqual(ts.nsecs(DateTime.UTC), 0L)
self.assertEqual(ts.toString(), "1970-01-01T00:00:00.000000000Z")
