def test_cronable_wrong_date():
assert not cronable("* */6 21 * *", datetime(2020, 4, 21, hour=7))
assert not cronable("* * * * 1", datetime(2020, 4, 30))
assert not cronable("* * * * 7", datetime(2020, 5, 8))
assert not cronable("* 12 * * 4", datetime(2020, 5, 7, hour=3))
assert not cronable("10 8 * * *", datetime(2020, 1, 1, hour=5, minute=10))
assert not cronable("* * 15 * *", datetime(2020, 1, 14))
assert not cronable("*/30 */4 * 4 2", datetime(2020, 4, 28, hour=10))
def test_cronable_correct_date():
assert cronable("* */6 21 * *", datetime(2020, 4, 21, hour=6))
assert cronable("* * * * 1", datetime(2020, 4, 27)) # monday
assert cronable("* * * * 7", datetime(2020, 5, 3)) # sunday
assert cronable("* 12 * * 4", datetime(2020, 5, 7, hour=12)) # thu. noon
assert cronable("10 8 * * *", datetime(2020, 1, 1, hour=8, minute=10))
assert cronable("* * 15 * *", datetime(2020, 1, 15))
assert cronable("*/30 */4 * 4 2", datetime(2020, 4, 28, hour=12))
def test_invalid_pattern():
with raises(ValueError):
cronable("* 8,9 * * *", datetime(2020, 5, 8))
with raises(ValueError):
cronable("* * * * 7-10", datetime(2020, 5, 8))
with raises(ValueError):
cronable("* * * * fri", datetime(2020, 5, 8))
def test_cronable_every_minute():
pattern = "* * * * *"
moment = datetime(2020, 4, 21, minute=5)
assert all(
cronable(pattern, datetime(2020, 4, 21, minute=minute))
for minute in range(60))
def test_cronable_every_6_hours():
pattern = "* */6 * * *"
moment = datetime(2020, 4, 21, minute=5)
assert all(
cronable(pattern, datetime(2020, 4, 21, hour=hour))
for hour in range(0, 24, 6))
def test_cronable_at_exactly_the_17_second():
pattern = "!17 * * * *"
moment = datetime(2020, 4, 21, minute=5)
assert cronable(pattern, datetime(2020, 4, 21, second=17))
assert not cronable(pattern, datetime(2020, 4, 21, second=34))
assert not cronable(pattern, datetime(2020, 4, 21, second=51))
def test_cronable_every_5_seconds():
pattern = "*!5 * * * *"
moment = datetime(2020, 4, 21, minute=5)
assert all(
cronable(pattern, datetime(2020, 4, 21, second=second))
for second in range(0, 60, 5))