def test_convert_sec_frac(self):
"""This tests that the conversion to and from TAI seconds with fractional parts works as expected."""
tests_ts = [("0.0", TimeOffset(0, 0), "0.0"),
("0.1", TimeOffset(0, 1000000000 // 10), "0.1"),
("-0.1", TimeOffset(0, 1000000000 // 10, -1), "-0.1"),
("5", TimeOffset(5, 0), "5.0"),
("5.1", TimeOffset(5, 1000000000 // 10), "5.1"),
("-5.1", TimeOffset(5, 1000000000 // 10, -1), "-5.1"),
("5.10000000", TimeOffset(5, 1000000000 // 10), "5.1"),
("5.123456789", TimeOffset(5, 123456789), "5.123456789"),
("5.000000001", TimeOffset(5, 1), "5.000000001"),
("5.0000000001", TimeOffset(5, 0), "5.0")]
for t in tests_ts:
ts = TimeOffset.from_sec_frac(t[0])
self.assertEqual(ts,
t[1],
msg="Called with {} {} {}".format(
t[0], t[1], t[2]))
ts_str = ts.to_sec_frac()
self.assertEqual(ts_str,
t[2],
msg="Called with {} {} {}".format(
t[0], t[1], t[2]))
def test_from_sec_frac(self):
"""This tests that timeoffsets can be instantiated from fractional second values."""
tests_ts = [
(TimeOffset.from_sec_frac("1.000000001"), TimeOffset(1, 1)),
(TimeOffset.from_sec_frac("-1.000000001"), TimeOffset(1,
1,
sign=-1)),
(TimeOffset.from_sec_frac("1.000001POTATO"), TimeOffset(1, 1000)),
(TimeOffset.from_sec_frac("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_frac(*params)