def test_crontab_scheduler(self):
crontab = "* * * * *"
start_at = datetime.now().replace(microsecond=0, second=0, minute=0)
stop_at = start_at + timedelta(seconds=3600)
# Fire off the task every minute
schedules = list(
next_schedules(crontab, start_at, stop_at, resolution=0))
self.assertEqual(schedules[0], start_at)
self.assertEqual(schedules[-1], stop_at - timedelta(seconds=60))
self.assertEqual(len(schedules), 60)
# Fire off the task every 10 minutes, controlled via resolution
schedules = list(
next_schedules(crontab, start_at, stop_at, resolution=10 * 60))
self.assertEqual(schedules[0], start_at)
self.assertEqual(schedules[-1], stop_at - timedelta(seconds=10 * 60))
self.assertEqual(len(schedules), 6)
# Fire off the task every 12 minutes, controlled via resolution
schedules = list(
next_schedules(crontab, start_at, stop_at, resolution=12 * 60))
self.assertEqual(schedules[0], start_at)
self.assertEqual(schedules[-1], stop_at - timedelta(seconds=12 * 60))
self.assertEqual(len(schedules), 5)
def test_crontab_scheduler(self):
crontab = '* * * * *'
start_at = datetime.now().replace(microsecond=0, second=0, minute=0)
stop_at = start_at + timedelta(seconds=3600)
# Fire off the task every minute
schedules = list(next_schedules(crontab, start_at, stop_at, resolution=0))
self.assertEqual(schedules[0], start_at)
self.assertEqual(schedules[-1], stop_at - timedelta(seconds=60))
self.assertEqual(len(schedules), 60)
# Fire off the task every 10 minutes, controlled via resolution
schedules = list(next_schedules(crontab, start_at, stop_at, resolution=10 * 60))
self.assertEqual(schedules[0], start_at)
self.assertEqual(schedules[-1], stop_at - timedelta(seconds=10 * 60))
self.assertEqual(len(schedules), 6)
# Fire off the task every 12 minutes, controlled via resolution
schedules = list(next_schedules(crontab, start_at, stop_at, resolution=12 * 60))
self.assertEqual(schedules[0], start_at)
self.assertEqual(schedules[-1], stop_at - timedelta(seconds=12 * 60))
self.assertEqual(len(schedules), 5)
def test_complex_schedule(self):
# Run the job on every Friday of March and May
# On these days, run the job at
# 5:10 pm
# 5:11 pm
# 5:12 pm
# 5:13 pm
# 5:14 pm
# 5:15 pm
# 5:25 pm
# 5:28 pm
# 5:31 pm
# 5:34 pm
# 5:37 pm
# 5:40 pm
crontab = "10-15,25-40/3 17 * 3,5 5"
start_at = datetime.strptime("2018/01/01", "%Y/%m/%d")
stop_at = datetime.strptime("2018/12/31", "%Y/%m/%d")
schedules = list(
next_schedules(crontab, start_at, stop_at, resolution=60))
self.assertEqual(len(schedules), 108)
fmt = "%Y-%m-%d %H:%M:%S"
self.assertEqual(schedules[0],
datetime.strptime("2018-03-02 17:10:00", fmt))
self.assertEqual(schedules[-1],
datetime.strptime("2018-05-25 17:40:00", fmt))
self.assertEqual(schedules[59],
datetime.strptime("2018-03-30 17:40:00", fmt))
self.assertEqual(schedules[60],
datetime.strptime("2018-05-04 17:10:00", fmt))
def test_complex_schedule(self):
# Run the job on every Friday of March and May
# On these days, run the job at
# 5:10 pm
# 5:11 pm
# 5:12 pm
# 5:13 pm
# 5:14 pm
# 5:15 pm
# 5:25 pm
# 5:28 pm
# 5:31 pm
# 5:34 pm
# 5:37 pm
# 5:40 pm
crontab = '10-15,25-40/3 17 * 3,5 5'
start_at = datetime.strptime('2018/01/01', '%Y/%m/%d')
stop_at = datetime.strptime('2018/12/31', '%Y/%m/%d')
schedules = list(next_schedules(crontab, start_at, stop_at, resolution=60))
self.assertEqual(len(schedules), 108)
fmt = '%Y-%m-%d %H:%M:%S'
self.assertEqual(schedules[0], datetime.strptime('2018-03-02 17:10:00', fmt))
self.assertEqual(schedules[-1], datetime.strptime('2018-05-25 17:40:00', fmt))
self.assertEqual(schedules[59], datetime.strptime('2018-03-30 17:40:00', fmt))
self.assertEqual(schedules[60], datetime.strptime('2018-05-04 17:10:00', fmt))
def test_wider_schedules(self):
crontab = '*/15 2,10 * * *'
for hour in range(0, 24):
start_at = datetime.now().replace(
microsecond=0, second=0, minute=0, hour=hour)
stop_at = start_at + timedelta(seconds=3600)
schedules = list(next_schedules(crontab, start_at, stop_at, resolution=0))
if hour in (2, 10):
self.assertEqual(len(schedules), 4)
else:
self.assertEqual(len(schedules), 0)
def test_wider_schedules(self):
crontab = '*/15 2,10 * * *'
for hour in range(0, 24):
start_at = datetime.now().replace(
microsecond=0, second=0, minute=0, hour=hour)
stop_at = start_at + timedelta(seconds=3600)
schedules = list(next_schedules(crontab, start_at, stop_at, resolution=0))
if hour in (2, 10):
self.assertEqual(len(schedules), 4)
else:
self.assertEqual(len(schedules), 0)