def test_period_to_intervals_monthly():
intervals = _period_to_intervals("2021-06-08", "2021-08-24", "month")
print(list(intervals))
intervals = [(i[0].isoformat(), i[1].isoformat()) for i in intervals]
assert 3 == len(intervals)
assert intervals[0] == ('2021-06-01T00:00:00', '2021-07-01T00:00:00')
assert intervals[1] == ('2021-07-01T00:00:00', '2021-08-01T00:00:00')
assert intervals[2] == ('2021-08-01T00:00:00', '2021-09-01T00:00:00')
def test_period_to_intervals_daily():
intervals = _period_to_intervals("2021-06-08", "2021-06-11", "day")
print(list(intervals))
intervals = [(i[0].isoformat(), i[1].isoformat()) for i in intervals]
assert 4 == len(intervals)
assert intervals[0] == ('2021-06-07T00:00:00', '2021-06-08T00:00:00')
assert intervals[1] == ('2021-06-08T00:00:00', '2021-06-09T00:00:00')
assert intervals[2] == ('2021-06-09T00:00:00', '2021-06-10T00:00:00')
assert intervals[3] == ('2021-06-10T00:00:00', '2021-06-11T00:00:00')
def test_period_to_intervals_monthly_full_year():
intervals = _period_to_intervals("2020-01-01", "2021-01-01", "month")
print(list(intervals))
intervals = [(i[0].isoformat(), i[1].isoformat()) for i in intervals]
assert 12 == len(intervals)
assert intervals[0] == ('2020-01-01T00:00:00', '2020-02-01T00:00:00')
assert intervals[1] == ('2020-02-01T00:00:00', '2020-03-01T00:00:00')
assert intervals[2] == ('2020-03-01T00:00:00', '2020-04-01T00:00:00')
assert intervals[11] == ('2020-12-01T00:00:00', '2021-01-01T00:00:00')
def test_period_to_intervals_yearly():
intervals = _period_to_intervals("2018-06-08", "2021-08-24", "year")
print(list(intervals))
intervals = [(i[0].isoformat(), i[1].isoformat()) for i in intervals]
assert 4 == len(intervals)
assert intervals[0] == ('2018-01-01T00:00:00', '2019-01-01T00:00:00')
assert intervals[1] == ('2019-01-01T00:00:00', '2020-01-01T00:00:00')
assert intervals[2] == ('2020-01-01T00:00:00', '2021-01-01T00:00:00')
assert intervals[3] == ('2021-01-01T00:00:00', '2022-01-01T00:00:00')
def test_period_to_intervals_dekad_first_of_month():
intervals = _period_to_intervals("2021-06-01", "2021-07-20", "dekad")
print(list(intervals))
intervals = [(i[0].isoformat(), i[1].isoformat()) for i in intervals]
assert 5 == len(intervals)
assert intervals[0] == ('2021-06-01T00:00:00', '2021-06-11T00:00:00')
assert intervals[1] == ('2021-06-11T00:00:00', '2021-06-21T00:00:00')
assert intervals[2] == ('2021-06-21T00:00:00', '2021-07-01T00:00:00')
assert intervals[3] == ('2021-07-01T00:00:00', '2021-07-11T00:00:00')
assert intervals[4] == ('2021-07-11T00:00:00', '2021-07-21T00:00:00')
def test_period_to_intervals():
weekly_intervals = _period_to_intervals("2021-06-08", "2021-06-24", "week")
print(list(weekly_intervals))
weekly_intervals = [(i[0].isoformat(), i[1].isoformat())
for i in weekly_intervals]
assert 3 == len(weekly_intervals)
assert weekly_intervals[0] == ('2021-06-06T00:00:00',
'2021-06-13T00:00:00')
assert weekly_intervals[1] == ('2021-06-13T00:00:00',
'2021-06-20T00:00:00')
assert weekly_intervals[2] == ('2021-06-20T00:00:00',
'2021-06-27T00:00:00')