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pagerduty_service_uptime_tests.py
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pagerduty_service_uptime_tests.py
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#!venv/bin/python3
import unittest
from pagerduty_service_uptime import (
Alert,
alerts_overlap,
filter_alerts,
intervals_gen,
merge_overlapping_alerts,
merge_two_alerts,
parse_date,
parse_relativedelta,
)
class TestAlertsOverlap(unittest.TestCase):
def test_not_overlapping_one_second(self) -> None:
self.assertFalse(
alerts_overlap(
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:00")),
Alert([], parse_date("2020-10-01 11:00:01"), parse_date("2020-10-01 12:00:00")),
)
)
def test_not_overlapping_one_hour(self) -> None:
self.assertFalse(
alerts_overlap(
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:00")),
Alert([], parse_date("2020-10-01 12:00:00"), parse_date("2020-10-01 12:00:01")),
)
)
def test_not_overlapping_one_day(self) -> None:
self.assertFalse(
alerts_overlap(
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:00")),
Alert([], parse_date("2020-10-02 10:00:00"), parse_date("2020-10-02 11:00:00")),
)
)
def test_overlapping_started_same_second(self) -> None:
self.assertTrue(
alerts_overlap(
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:00")),
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
)
)
def test_overlapping_started_one_second(self) -> None:
self.assertTrue(
alerts_overlap(
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
Alert([], parse_date("2020-10-01 10:00:01"), parse_date("2020-10-01 11:00:05")),
)
)
def test_overlapping_same_second(self) -> None:
self.assertTrue(
alerts_overlap(
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:00")),
Alert([], parse_date("2020-10-01 11:00:00"), parse_date("2020-10-01 12:00:00")),
)
)
def test_overlapping_one_second(self) -> None:
self.assertTrue(
alerts_overlap(
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:01")),
Alert([], parse_date("2020-10-01 11:00:00"), parse_date("2020-10-01 12:00:00")),
)
)
def test_overlapping_one_hour(self) -> None:
self.assertTrue(
alerts_overlap(
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
Alert([], parse_date("2020-10-01 11:00:00"), parse_date("2020-10-01 12:05:00")),
)
)
def test_overlapping_second_alert_ends_before_first(self) -> None:
self.assertTrue(
alerts_overlap(
Alert([], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
Alert([], parse_date("2020-10-01 11:00:00"), parse_date("2020-10-01 11:05:00")),
)
)
class TestMergeTwoAlerts(unittest.TestCase):
def test_overlapping_started_same_second(self) -> None:
self.assertEqual(
merge_two_alerts(
Alert([10, 13], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
Alert([8], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:00")),
),
Alert([10, 13, 8], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
)
def test_overlapping_same_second(self) -> None:
self.assertEqual(
merge_two_alerts(
Alert([10, 13], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:00")),
Alert([8], parse_date("2020-10-01 11:00:00"), parse_date("2020-10-01 12:00:00")),
),
Alert([10, 13, 8], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
)
def test_overlapping_one_second(self) -> None:
self.assertEqual(
merge_two_alerts(
Alert([9], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:01")),
Alert([1, 3], parse_date("2020-10-01 11:00:00"), parse_date("2020-10-01 12:00:00")),
),
Alert([9, 1, 3], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
)
def test_overlapping_one_hour(self) -> None:
self.assertEqual(
merge_two_alerts(
Alert([1], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
Alert([2], parse_date("2020-10-01 11:00:00"), parse_date("2020-10-01 12:05:00")),
),
Alert([1, 2], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:05:00")),
)
def test_overlapping_second_alert_ends_before_first(self) -> None:
self.assertEqual(
merge_two_alerts(
Alert([1, 3, 4], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
Alert([2, 5, 6], parse_date("2020-10-01 11:00:00"), parse_date("2020-10-01 11:05:00")),
),
Alert([1, 3, 4, 2, 5, 6], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 12:00:00")),
)
class TestIntervalsGen(unittest.TestCase):
def test1(self) -> None:
intervals = list(
intervals_gen(
parse_date("2019-01-01 00:00:00"), parse_date("2020-01-01 00:00:00"), parse_relativedelta("6 months")
)
)
self.assertListEqual(
intervals,
[
(parse_date("2019-01-01 00:00:00"), parse_date("2019-07-01 00:00:00")),
(parse_date("2019-07-01 00:00:00"), parse_date("2020-01-01 00:00:00")),
],
)
def test2(self) -> None:
intervals = list(
intervals_gen(
parse_date("2019-01-01 00:00:00"), parse_date("2019-12-31 23:59:59"), parse_relativedelta("6 months")
)
)
self.assertListEqual(
intervals,
[
(parse_date("2019-01-01 00:00:00"), parse_date("2019-07-01 00:00:00")),
(parse_date("2019-07-01 00:00:00"), parse_date("2019-12-31 23:59:59")),
],
)
def test3(self) -> None:
intervals = list(
intervals_gen(
parse_date("2018-01-01 00:00:00"), parse_date("2020-01-01 00:00:00"), parse_relativedelta("1 year")
)
)
self.assertListEqual(
intervals,
[
(parse_date("2018-01-01 00:00:00"), parse_date("2019-01-01 00:00:00")),
(parse_date("2019-01-01 00:00:00"), parse_date("2020-01-01 00:00:00")),
],
)
def test4(self) -> None:
intervals = list(
intervals_gen(
parse_date("2018-01-01 00:00:00"), parse_date("2019-01-01 00:00:00"), parse_relativedelta("1 month")
)
)
self.assertListEqual(
intervals,
[
(parse_date("2018-01-01 00:00:00"), parse_date("2018-02-01 00:00:00")),
(parse_date("2018-02-01 00:00:00"), parse_date("2018-03-01 00:00:00")),
(parse_date("2018-03-01 00:00:00"), parse_date("2018-04-01 00:00:00")),
(parse_date("2018-04-01 00:00:00"), parse_date("2018-05-01 00:00:00")),
(parse_date("2018-05-01 00:00:00"), parse_date("2018-06-01 00:00:00")),
(parse_date("2018-06-01 00:00:00"), parse_date("2018-07-01 00:00:00")),
(parse_date("2018-07-01 00:00:00"), parse_date("2018-08-01 00:00:00")),
(parse_date("2018-08-01 00:00:00"), parse_date("2018-09-01 00:00:00")),
(parse_date("2018-09-01 00:00:00"), parse_date("2018-10-01 00:00:00")),
(parse_date("2018-10-01 00:00:00"), parse_date("2018-11-01 00:00:00")),
(parse_date("2018-11-01 00:00:00"), parse_date("2018-12-01 00:00:00")),
(parse_date("2018-12-01 00:00:00"), parse_date("2019-01-01 00:00:00")),
],
)
def test5(self) -> None:
intervals = list(
intervals_gen(
parse_date("2018-01-01 10:00:05"), parse_date("2019-01-01 00:00:00"), parse_relativedelta("1 month")
)
)
self.assertListEqual(
intervals,
[
(parse_date("2018-01-01 10:00:05"), parse_date("2018-02-01 10:00:05")),
(parse_date("2018-02-01 10:00:05"), parse_date("2018-03-01 10:00:05")),
(parse_date("2018-03-01 10:00:05"), parse_date("2018-04-01 10:00:05")),
(parse_date("2018-04-01 10:00:05"), parse_date("2018-05-01 10:00:05")),
(parse_date("2018-05-01 10:00:05"), parse_date("2018-06-01 10:00:05")),
(parse_date("2018-06-01 10:00:05"), parse_date("2018-07-01 10:00:05")),
(parse_date("2018-07-01 10:00:05"), parse_date("2018-08-01 10:00:05")),
(parse_date("2018-08-01 10:00:05"), parse_date("2018-09-01 10:00:05")),
(parse_date("2018-09-01 10:00:05"), parse_date("2018-10-01 10:00:05")),
(parse_date("2018-10-01 10:00:05"), parse_date("2018-11-01 10:00:05")),
(parse_date("2018-11-01 10:00:05"), parse_date("2018-12-01 10:00:05")),
(parse_date("2018-12-01 10:00:05"), parse_date("2019-01-01 00:00:00")),
],
)
def test6(self) -> None:
intervals = list(
intervals_gen(
parse_date("2019-01-01 00:00:00"), parse_date("2020-01-01 00:00:00"), parse_relativedelta("15 months")
)
)
self.assertListEqual(
intervals,
[
(parse_date("2019-01-01 00:00:00"), parse_date("2020-01-01 00:00:00")),
],
)
class TestMergeOverlappingAlerts(unittest.TestCase):
def test_some_alerts_overlaps(self) -> None:
merged_alerts = merge_overlapping_alerts(
[
Alert([1], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:00")),
Alert([2], parse_date("2020-10-01 11:00:00"), parse_date("2020-10-01 11:00:01")),
Alert([3], parse_date("2020-10-01 11:00:01"), parse_date("2020-10-01 11:00:02")),
Alert([4], parse_date("2020-10-01 12:00:00"), parse_date("2020-10-01 12:00:05")),
Alert([5], parse_date("2020-10-01 12:00:06"), parse_date("2020-10-01 13:00:00")),
Alert([6], parse_date("2020-10-01 12:00:07"), parse_date("2020-10-01 12:30:00")),
Alert([7], parse_date("2020-10-01 13:00:00"), parse_date("2020-10-01 13:00:00")),
Alert([8], parse_date("2020-10-01 14:00:00"), parse_date("2020-10-01 14:00:01")),
Alert([9], parse_date("2020-10-01 14:00:00"), parse_date("2020-10-01 14:10:10")),
Alert([10], parse_date("2020-10-01 14:00:00"), parse_date("2020-10-01 14:05:00")),
Alert([11], parse_date("2020-10-01 15:00:00"), parse_date("2020-10-01 15:05:00")),
Alert([12], parse_date("2020-10-01 15:01:00"), parse_date("2020-10-01 15:01:05")),
Alert([13], parse_date("2020-10-01 15:01:00"), parse_date("2020-10-01 15:01:06")),
]
)
self.assertListEqual(
merged_alerts,
[
Alert([1, 2, 3], parse_date("2020-10-01 10:00:00"), parse_date("2020-10-01 11:00:02")),
Alert([4], parse_date("2020-10-01 12:00:00"), parse_date("2020-10-01 12:00:05")),
Alert([5, 6, 7], parse_date("2020-10-01 12:00:06"), parse_date("2020-10-01 13:00:00")),
Alert([8, 9, 10], parse_date("2020-10-01 14:00:00"), parse_date("2020-10-01 14:10:10")),
Alert([11, 12, 13], parse_date("2020-10-01 15:00:00"), parse_date("2020-10-01 15:05:00")),
],
)
def test_all_alerts_overlaps(self) -> None:
merged_alerts = merge_overlapping_alerts(
[
Alert([1, 2], parse_date("2020-10-01 14:00:00"), parse_date("2020-10-01 14:00:05")),
Alert([3, 4, 5], parse_date("2020-10-01 14:00:05"), parse_date("2020-10-01 14:10:10")),
Alert([6], parse_date("2020-10-01 14:07:00"), parse_date("2020-10-01 14:11:00")),
]
)
self.assertListEqual(
merged_alerts,
[Alert([1, 2, 3, 4, 5, 6], parse_date("2020-10-01 14:00:00"), parse_date("2020-10-01 14:11:00"))],
)
def test_no_alerts_overlaps(self) -> None:
merged_alerts = merge_overlapping_alerts(
[
Alert([1, 2], parse_date("2020-10-01 14:00:00"), parse_date("2020-10-01 14:00:01")),
Alert([3, 4, 5], parse_date("2020-10-01 14:00:02"), parse_date("2020-10-01 14:10:10")),
Alert([6], parse_date("2020-10-01 14:15:00"), parse_date("2020-10-01 14:15:05")),
]
)
self.assertListEqual(
merged_alerts,
[
Alert([1, 2], parse_date("2020-10-01 14:00:00"), parse_date("2020-10-01 14:00:01")),
Alert([3, 4, 5], parse_date("2020-10-01 14:00:02"), parse_date("2020-10-01 14:10:10")),
Alert([6], parse_date("2020-10-01 14:15:00"), parse_date("2020-10-01 14:15:05")),
],
)
class TestFilterAlerts(unittest.TestCase):
def test_some_alert_matches_in_the_middle(self) -> None:
filtered_alerts = filter_alerts(
parse_date("2020-01-01 00:00:05"),
parse_date("2020-03-03 10:00:05"),
[
Alert([1, 2], parse_date("2019-01-12 10:00:00"), parse_date("2019-01-13 11:00:02")),
Alert([3], parse_date("2020-01-01 00:00:04"), parse_date("2020-02-01 00:00:00")),
Alert([4, 5], parse_date("2020-01-01 00:00:05"), parse_date("2020-02-01 00:00:00")),
Alert([6], parse_date("2020-01-01 00:00:06"), parse_date("2020-02-01 00:00:00")),
Alert([7], parse_date("2020-02-01 12:00:00"), parse_date("2020-02-01 12:00:05")),
Alert([8, 9], parse_date("2020-02-14 17:05:00"), parse_date("2020-02-14 17:00:35")),
Alert([10], parse_date("2020-03-03 10:00:04"), parse_date("2020-03-03 17:00:35")),
Alert([11, 12, 13], parse_date("2020-03-03 10:00:05"), parse_date("2020-03-03 17:00:35")),
Alert([14, 15], parse_date("2020-03-03 10:00:06"), parse_date("2020-03-03 17:00:35")),
Alert([16], parse_date("2020-04-01 12:00:00"), parse_date("2020-10-01 12:00:05")),
Alert([17], parse_date("2020-07-01 12:00:00"), parse_date("2020-10-01 12:00:05")),
Alert([18], parse_date("2021-01-01 12:00:00"), parse_date("2021-01-01 12:00:05")),
],
)
self.assertListEqual(
filtered_alerts,
[
Alert([4, 5], parse_date("2020-01-01 00:00:05"), parse_date("2020-02-01 00:00:00")),
Alert([6], parse_date("2020-01-01 00:00:06"), parse_date("2020-02-01 00:00:00")),
Alert([7], parse_date("2020-02-01 12:00:00"), parse_date("2020-02-01 12:00:05")),
Alert([8, 9], parse_date("2020-02-14 17:05:00"), parse_date("2020-02-14 17:00:35")),
Alert([10], parse_date("2020-03-03 10:00:04"), parse_date("2020-03-03 17:00:35")),
],
)
def test_some_alert_matches_from_the_beginning_to_the_middle(self) -> None:
filtered_alerts = filter_alerts(
parse_date("2020-01-01 00:00:05"),
parse_date("2020-03-03 10:00:05"),
[
Alert([4, 5], parse_date("2020-01-01 00:00:05"), parse_date("2020-02-01 00:00:00")),
Alert([6], parse_date("2020-01-01 00:00:06"), parse_date("2020-02-01 00:00:00")),
Alert([7], parse_date("2020-02-01 12:00:00"), parse_date("2020-02-01 12:00:05")),
Alert([8, 9], parse_date("2020-02-14 17:05:00"), parse_date("2020-02-14 17:00:35")),
Alert([10], parse_date("2020-03-03 16:00:04"), parse_date("2020-03-03 17:00:35")),
],
)
self.assertListEqual(
filtered_alerts,
[
Alert([4, 5], parse_date("2020-01-01 00:00:05"), parse_date("2020-02-01 00:00:00")),
Alert([6], parse_date("2020-01-01 00:00:06"), parse_date("2020-02-01 00:00:00")),
Alert([7], parse_date("2020-02-01 12:00:00"), parse_date("2020-02-01 12:00:05")),
Alert([8, 9], parse_date("2020-02-14 17:05:00"), parse_date("2020-02-14 17:00:35")),
],
)
def test_some_alert_matches_from_the_middle_to_the_end(self) -> None:
filtered_alerts = filter_alerts(
parse_date("2020-01-01 00:00:05"),
parse_date("2020-03-03 10:00:05"),
[
Alert([1, 2], parse_date("2019-01-12 10:00:00"), parse_date("2019-01-13 11:00:02")),
Alert([3], parse_date("2020-01-01 00:00:04"), parse_date("2020-02-01 00:00:00")),
Alert([4, 5], parse_date("2020-01-01 00:00:05"), parse_date("2020-02-01 00:00:00")),
Alert([6], parse_date("2020-01-01 00:00:06"), parse_date("2020-02-01 00:00:00")),
Alert([7], parse_date("2020-02-01 12:00:00"), parse_date("2020-02-01 12:00:05")),
Alert([8, 9], parse_date("2020-02-14 17:05:00"), parse_date("2020-02-14 17:00:35")),
Alert([11], parse_date("2020-03-03 10:00:04"), parse_date("2020-03-03 17:00:35")),
],
)
self.assertListEqual(
filtered_alerts,
[
Alert([4, 5], parse_date("2020-01-01 00:00:05"), parse_date("2020-02-01 00:00:00")),
Alert([6], parse_date("2020-01-01 00:00:06"), parse_date("2020-02-01 00:00:00")),
Alert([7], parse_date("2020-02-01 12:00:00"), parse_date("2020-02-01 12:00:05")),
Alert([8, 9], parse_date("2020-02-14 17:05:00"), parse_date("2020-02-14 17:00:35")),
Alert([11], parse_date("2020-03-03 10:00:04"), parse_date("2020-03-03 17:00:35")),
],
)
def test_all_alerts_matches(self) -> None:
filtered_alerts = filter_alerts(
parse_date("2020-01-01 00:00:05"),
parse_date("2020-03-03 10:00:05"),
[
Alert([6], parse_date("2020-01-01 00:00:06"), parse_date("2020-02-01 00:00:00")),
Alert([7], parse_date("2020-02-01 12:00:00"), parse_date("2020-02-01 12:00:05")),
Alert([8, 9], parse_date("2020-02-14 17:05:00"), parse_date("2020-02-14 17:00:35")),
],
)
self.assertListEqual(
filtered_alerts,
[
Alert([6], parse_date("2020-01-01 00:00:06"), parse_date("2020-02-01 00:00:00")),
Alert([7], parse_date("2020-02-01 12:00:00"), parse_date("2020-02-01 12:00:05")),
Alert([8, 9], parse_date("2020-02-14 17:05:00"), parse_date("2020-02-14 17:00:35")),
],
)
def test_no_alert_matches(self) -> None:
filtered_alerts = filter_alerts(
parse_date("2020-03-03 10:00:05"),
parse_date("2020-03-03 10:00:07"),
[
Alert([6], parse_date("2020-01-01 00:00:06"), parse_date("2020-02-01 00:00:00")),
Alert([7], parse_date("2020-02-01 12:00:00"), parse_date("2020-02-01 12:00:05")),
Alert([8, 9], parse_date("2020-02-14 17:05:00"), parse_date("2020-02-14 17:00:35")),
],
)
self.assertListEqual(filtered_alerts, [])
if __name__ == "__main__":
unittest.main()