1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
from __future__ import annotations
import pendulum
def test_dst_add():
start = pendulum.datetime(2017, 3, 7, tz="America/Toronto")
end = start.add(days=6)
period = end - start
new_end = start + period
assert new_end == end
def test_dst_add_non_variable_units():
start = pendulum.datetime(2013, 3, 31, 1, 30, tz="Europe/Paris")
end = start.add(hours=1)
period = end - start
new_end = start + period
assert new_end == end
def test_dst_subtract():
start = pendulum.datetime(2017, 3, 7, tz="America/Toronto")
end = start.add(days=6)
period = end - start
new_start = end - period
assert new_start == start
def test_naive_subtract():
start = pendulum.naive(2013, 3, 31, 1, 30)
end = start.add(hours=1)
period = end - start
new_end = start + period
assert new_end == end
def test_negative_difference_subtract():
start = pendulum.datetime(2018, 5, 28, 12, 34, 56, 123456)
end = pendulum.datetime(2018, 1, 1)
period = end - start
new_end = start + period
assert new_end == end
|
