def test_next_cron_random(max_previous, kwargs, expected):
for i in range(100):
previous = expected - timedelta(seconds=0.9 + random() * max_previous)
v = next_cron(previous, **kwargs)
diff = v - previous
if diff > timedelta(seconds=1):
print(f'previous: {previous}, expected: {expected}, diff: {v - previous}')
assert v == expected
def test_next_cron_invalid():
with pytest.raises(ValueError):
next_cron(datetime(2001, 1, 1, 0, 0, 0), weekday='monday')
def test_next_cron(previous, expected, kwargs):
start = datetime.now()
assert next_cron(previous, **kwargs) == expected
diff = datetime.now() - start
print(f'{diff.total_seconds() * 1000:0.3f}ms')
def test_next_cron_invalid():
with pytest.raises(ValueError):
next_cron(datetime(2001, 1, 1, 0, 0, 0), weekday='monday')
def test_next_cron(previous, expected, kwargs):
start = datetime.now()
assert next_cron(previous, **kwargs) == expected
diff = datetime.now() - start
print(f'{diff.total_seconds() * 1000:0.3f}ms')