Files
notifications-api/tests/app/test_utils.py
Leo Hemsted f1b3ae553f add tests for get_london_midnight_in_utc with a date object
we sometimes call it with a timestamp, but sometimes with just a date
object. It works with both, lets add the tests to prove that
2019-04-02 11:52:37 +01:00

73 lines
2.3 KiB
Python

from datetime import datetime, date
import pytest
from freezegun import freeze_time
from app.utils import (
get_london_midnight_in_utc,
get_midnight_for_day_before,
midnight_n_days_ago,
last_n_days
)
@pytest.mark.parametrize('date, expected_date', [
(datetime(2016, 1, 15, 0, 30), datetime(2016, 1, 15, 0, 0)),
(datetime(2016, 6, 15, 0, 0), datetime(2016, 6, 14, 23, 0)),
(datetime(2016, 9, 15, 11, 59), datetime(2016, 9, 14, 23, 0)),
# works for both dates and datetimes
(date(2016, 1, 15), datetime(2016, 1, 15, 0, 0)),
(date(2016, 6, 15), datetime(2016, 6, 14, 23, 0)),
])
def test_get_london_midnight_in_utc_returns_expected_date(date, expected_date):
assert get_london_midnight_in_utc(date) == expected_date
@pytest.mark.parametrize('date, expected_date', [
(datetime(2016, 1, 15, 0, 30), datetime(2016, 1, 14, 0, 0)),
(datetime(2016, 7, 15, 0, 0), datetime(2016, 7, 13, 23, 0)),
(datetime(2016, 8, 23, 11, 59), datetime(2016, 8, 21, 23, 0)),
])
def test_get_midnight_for_day_before_returns_expected_date(date, expected_date):
assert get_midnight_for_day_before(date) == expected_date
@pytest.mark.parametrize('current_time, arg, expected_datetime', [
# winter
('2018-01-10 23:59', 1, datetime(2018, 1, 9, 0, 0)),
('2018-01-11 00:00', 1, datetime(2018, 1, 10, 0, 0)),
# bst switchover at 1am 25th
('2018-03-25 10:00', 1, datetime(2018, 3, 24, 0, 0)),
('2018-03-26 10:00', 1, datetime(2018, 3, 25, 0, 0)),
('2018-03-27 10:00', 1, datetime(2018, 3, 25, 23, 0)),
# summer
('2018-06-05 10:00', 1, datetime(2018, 6, 3, 23, 0)),
# zero days ago
('2018-01-11 00:00', 0, datetime(2018, 1, 11, 0, 0)),
('2018-06-05 10:00', 0, datetime(2018, 6, 4, 23, 0)),
])
def test_midnight_n_days_ago(current_time, arg, expected_datetime):
with freeze_time(current_time):
assert midnight_n_days_ago(arg) == expected_datetime
def test_last_n_days():
with freeze_time('2018-03-27 12:00'):
res = last_n_days(5)
assert res == [
datetime(2018, 3, 23, 0, 0),
datetime(2018, 3, 24, 0, 0),
datetime(2018, 3, 25, 0, 0),
datetime(2018, 3, 26, 0, 0),
datetime(2018, 3, 27, 0, 0)
]
@pytest.mark.parametrize('arg', [0, -1])
def test_last_n_days_invalid_arg(arg):
assert last_n_days(arg) == []