def test_hours_minutes_seconds(self):
self.assertEqual(parse_duration('10:15:30'),
timedelta(hours=10, minutes=15, seconds=30))
self.assertEqual(parse_duration('1:15:30'),
timedelta(hours=1, minutes=15, seconds=30))
self.assertEqual(parse_duration('100:200:300'),
timedelta(hours=100, minutes=200, seconds=300))
def test_negative(self):
test_values = (
('-4 15:30', timedelta(days=-4, minutes=15, seconds=30)),
('-172800', timedelta(days=-2)),
('-15:30', timedelta(minutes=-15, seconds=30)),
('-1:15:30', timedelta(hours=-1, minutes=15, seconds=30)),
('-30.1', timedelta(seconds=-30, milliseconds=-100)),
)
for source, expected in test_values:
with self.subTest(source=source):
self.assertEqual(parse_duration(source), expected)
def test_parse_python_format(self):
timedeltas = [
timedelta(days=4, minutes=15, seconds=30,
milliseconds=100), # fractions of seconds
timedelta(hours=10, minutes=15,
seconds=30), # hours, minutes, seconds
timedelta(days=4, minutes=15, seconds=30), # multiple days
timedelta(days=1, minutes=00, seconds=00), # single day
timedelta(days=-4, minutes=15, seconds=30), # negative durations
timedelta(minutes=15, seconds=30), # minute & seconds
timedelta(seconds=30), # seconds
]
for delta in timedeltas:
with self.subTest(delta=delta):
self.assertEqual(parse_duration(format(delta)), delta)
def test_iso_8601(self):
test_values = (
('P4Y', None),
('P4M', None),
('P4W', None),
('P4D', timedelta(days=4)),
('P0.5D', timedelta(hours=12)),
('PT5H', timedelta(hours=5)),
('PT5M', timedelta(minutes=5)),
('PT5S', timedelta(seconds=5)),
('PT0.000005S', timedelta(microseconds=5)),
)
for source, expected in test_values:
with self.subTest(source=source):
self.assertEqual(parse_duration(source), expected)
def test_fractions_of_seconds(self):
test_values = (
('15:30.1', timedelta(minutes=15, seconds=30, milliseconds=100)),
('15:30.01', timedelta(minutes=15, seconds=30, milliseconds=10)),
('15:30.001', timedelta(minutes=15, seconds=30, milliseconds=1)),
('15:30.0001', timedelta(minutes=15, seconds=30,
microseconds=100)),
('15:30.00001', timedelta(minutes=15, seconds=30,
microseconds=10)),
('15:30.000001', timedelta(minutes=15, seconds=30,
microseconds=1)),
)
for source, expected in test_values:
with self.subTest(source=source):
self.assertEqual(parse_duration(source), expected)
def test_parse_postgresql_format(self):
test_values = (
('1 day', timedelta(1)),
('1 day 0:00:01', timedelta(days=1, seconds=1)),
('1 day -0:00:01', timedelta(days=1, seconds=-1)),
('-1 day -0:00:01', timedelta(days=-1, seconds=-1)),
('-1 day +0:00:01', timedelta(days=-1, seconds=1)),
('4 days 0:15:30.1',
timedelta(days=4, minutes=15, seconds=30, milliseconds=100)),
('4 days 0:15:30.0001',
timedelta(days=4, minutes=15, seconds=30, microseconds=100)),
('-4 days -15:00:30', timedelta(days=-4, hours=-15, seconds=-30)),
)
for source, expected in test_values:
with self.subTest(source=source):
self.assertEqual(parse_duration(source), expected)
def test_seconds(self):
self.assertEqual(parse_duration('30'), timedelta(seconds=30))
def test_days(self):
self.assertEqual(parse_duration('4 15:30'),
timedelta(days=4, minutes=15, seconds=30))
self.assertEqual(parse_duration('4 10:15:30'),
timedelta(days=4, hours=10, minutes=15, seconds=30))