def test_from_sec_nsec(self):
"""This tests that time offsets can be created from second:nanosecond pairs."""
tests_ts = [
(TimeOffset.from_sec_nsec("1:1"), TimeOffset(1, 1)),
(TimeOffset.from_sec_nsec("-1:1"), TimeOffset(1, 1, sign=-1)),
(TimeOffset.from_sec_nsec("1"), TimeOffset(1, 0)),
]
for t in tests_ts:
self.assertEqual(t[0], t[1])
bad_params = [
("0:0:1", ),
]
for params in bad_params:
with self.assertRaises(TsValueError):
TimeOffset.from_sec_nsec(*params)
def test_convert_sec_nsec(self):
"""This tests that the conversion to and from TAI second:nanosecond pairs works as expected."""
tests_ts = [("0:0", TimeOffset(0, 0), "0:0"),
("0:1", TimeOffset(0, 1), "0:1"),
("-0:1", TimeOffset(0, 1, -1), "-0:1"),
("5", TimeOffset(5, 0), "5:0"),
("5:1", TimeOffset(5, 1), "5:1"),
("-5:1", TimeOffset(5, 1, -1), "-5:1"),
("5:999999999", TimeOffset(5, 999999999), "5:999999999")]
for t in tests_ts:
ts = TimeOffset.from_sec_nsec(t[0])
self.assertEqual(ts,
t[1],
msg="Called with {} {} {}".format(
t[0], t[1], t[2]))
ts_str = ts.to_sec_nsec()
self.assertEqual(ts_str,
t[2],
msg="Called with {} {} {}".format(
t[0], t[1], t[2]))