def test_auto_update_expired_file(self, tmpdir):
# Set up expired ERFA leap seconds.
expired = self.erfa_ls[self.erfa_ls['year'] < 2017]
expired.update_erfa_leap_seconds(initialize_erfa='empty')
# Create similarly expired file.
expired_file = str(tmpdir.join('expired.dat'))
with open(expired_file, 'w') as fh:
fh.write('\n'.join(['# File expires on 28 June 2010'] +
[str(item) for item in expired]))
with pytest.warns(iers.IERSStaleWarning):
update_leap_seconds(['erfa', expired_file])
def test_auto_update_corrupt_file(self, tmpdir):
bad_file = str(tmpdir.join('no_expiration'))
with open(iers.IERS_LEAP_SECOND_FILE) as fh:
lines = fh.readlines()
with open(bad_file, 'w') as fh:
fh.write('\n'.join(
[line for line in lines if not line.startswith('#')]))
with pytest.warns(AstropyWarning,
match='ValueError.*did not find expiration'):
update_leap_seconds([bad_file])
def test_auto_update_leap_seconds(self):
# Sanity check.
assert erfa.dat(2018, 1, 1, 0.) == 37.0
# Set expired leap seconds
expired = self.erfa_ls[self.erfa_ls['year'] < 2017]
expired.update_erfa_leap_seconds(initialize_erfa='empty')
# Check the 2017 leap second is indeed missing.
assert erfa.dat(2018, 1, 1, 0.) == 36.0
# Update with missing leap seconds.
n_update = update_leap_seconds([iers.IERS_LEAP_SECOND_FILE])
assert n_update >= 1
assert erfa.leap_seconds.expires == self.built_in.expires
assert erfa.dat(2018, 1, 1, 0.) == 37.0
# Doing it again does not change anything
n_update2 = update_leap_seconds([iers.IERS_LEAP_SECOND_FILE])
assert n_update2 == 0
assert erfa.dat(2018, 1, 1, 0.) == 37.0
def test_auto_update_bad_file(self):
with pytest.warns(AstropyWarning, match='FileNotFound'):
update_leap_seconds(['nonsense'])
def test_auto_update_always_good(self):
self.erfa_ls.update_erfa_leap_seconds(initialize_erfa='only')
update_leap_seconds()
assert not erfa.leap_seconds.expired
assert erfa.leap_seconds.expires > self.good_enough