def test_fast_conf():
# Default is to try C parser and then Python parser. Both fail so we get the
# Python message.
assert conf.use_fast_parser == 'True' # default
with pytest.raises(ValueError,
match='Time 2000:0601 does not match yday format'):
Time('2000:0601', format='yday')
# This is one case where Python parser is different from C parser because the
# Python parser has a bug and fails with a trailing ".", but C parser works.
Time('2020:150:12:13:14.', format='yday')
with conf.set_temp('use_fast_parser', 'force'):
Time('2020:150:12:13:14.', format='yday')
with conf.set_temp('use_fast_parser', 'False'):
with pytest.raises(ValueError,
match='could not convert string to float'):
Time('2020:150:12:13:14.', format='yday')
with conf.set_temp('use_fast_parser', 'False'):
assert conf.use_fast_parser == 'False'
# Make sure that this is really giving the Python parser
with pytest.raises(ValueError,
match='Time 2000:0601 does not match yday format'):
Time('2000:0601', format='yday')
with conf.set_temp('use_fast_parser', 'force'):
assert conf.use_fast_parser == 'force'
# Make sure that this is really giving the Python parser
err = 'fast C time string parser failed: time string ends in middle of component'
with pytest.raises(ValueError, match=err):
Time('2000:0601', format='yday')
def test_fast_matches_python(times, format, variant):
if variant == 0:
pass # list/array of different values (null terminated strings included)
elif variant == 1:
times = times[-1] # scalar
elif variant == 2:
times = [times[-1]
] * 2 # list/array of identical values (no null terminations)
with conf.set_temp('use_fast_parser', 'False'):
tms_py = Time(times, format=format)
with conf.set_temp('use_fast_parser', 'force'):
tms_c = Time(times, format=format)
# Times are binary identical
assert np.all(tms_py == tms_c)
def test_fast_iso_exceptions():
with conf.set_temp('use_fast_parser', 'force'):
for times, err in [
('2020-10-10 12', 'time string ends at beginning of component'),
('2020-10-10 1', 'time string ends in middle of component'),
('2020*10-10 12:13:14', 'required delimiter character'),
('2020-10-10 *2:13:14', 'non-digit found where digit')
]:
with pytest.raises(ValueError, match=err):
Time(times, format='iso')
def test_fast_yday_exceptions():
# msgs = {1: 'time string ends at beginning of component where break is not allowed',
# 2: 'time string ends in middle of component',
# 3: 'required delimiter character not found',
# 4: 'non-digit found where digit (0-9) required',
# 5: 'bad day of year (1 <= doy <= 365 or 366 for leap year'}
with conf.set_temp('use_fast_parser', 'force'):
for times, err in [
('2020:150:12', 'time string ends at beginning of component'),
('2020:150:1', 'time string ends in middle of component'),
('2020:150*12:13:14', 'required delimiter character'),
('2020:15*:12:13:14', 'non-digit found where digit'),
('2020:999:12:13:14', 'bad day of year')
]:
with pytest.raises(ValueError, match=err):
Time(times, format='yday')
def test_fast_subclass():
"""Test subclass where use_fast_parser class attribute is not in __dict__"""
class TimeYearDayTimeSubClass(TimeYearDayTime):
name = 'yday_subclass'
# Inheritance works
assert hasattr(TimeYearDayTimeSubClass, 'fast_parser_pars')
assert 'fast_parser_pars' not in TimeYearDayTimeSubClass.__dict__
try:
# For YearDayTime, forcing the fast parser with a bad date will give
# "fast C time string parser failed: time string ends in middle of component".
# But since YearDayTimeSubClass does not have fast_parser_pars it will
# use the Python parser.
with pytest.raises(
ValueError,
match='Time 2000:0601 does not match yday_subclass format'):
with conf.set_temp('use_fast_parser', 'force'):
Time('2000:0601', format='yday_subclass')
finally:
del TimeYearDayTimeSubClass._registry['yday_subclass']
def test_fast_non_ascii():
with pytest.raises(ValueError, match='input is not pure ASCII'):
with conf.set_temp('use_fast_parser', 'force'):
Time('2020-01-01 1ᛦ:13:14.4324')
