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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-01-30 07:57:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-01-30 07:57:29 +0000 |
commit | a003430ded2dbfbfb48acd3c17f143cbafeee60a (patch) | |
tree | 9016b0b904b32c46542f48de704b3e536b90e1af /tests/date/test_sub.py | |
parent | Initial commit. (diff) | |
download | pendulum-a003430ded2dbfbfb48acd3c17f143cbafeee60a.tar.xz pendulum-a003430ded2dbfbfb48acd3c17f143cbafeee60a.zip |
Adding upstream version 2.1.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/date/test_sub.py')
-rw-r--r-- | tests/date/test_sub.py | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/tests/date/test_sub.py b/tests/date/test_sub.py new file mode 100644 index 0000000..dcf7a2a --- /dev/null +++ b/tests/date/test_sub.py @@ -0,0 +1,87 @@ +from datetime import datetime +from datetime import timedelta + +import pendulum +import pytest + +from ..conftest import assert_date + + +def test_subtract_years_positive(): + assert pendulum.date(1975, 1, 1).subtract(years=1).year == 1974 + + +def test_subtract_years_zero(): + assert pendulum.date(1975, 1, 1).subtract(years=0).year == 1975 + + +def test_subtract_years_negative(): + assert pendulum.date(1975, 1, 1).subtract(years=-1).year == 1976 + + +def test_subtract_months_positive(): + assert pendulum.date(1975, 1, 1).subtract(months=1).month == 12 + + +def test_subtract_months_zero(): + assert pendulum.date(1975, 12, 1).subtract(months=0).month == 12 + + +def test_subtract_months_negative(): + assert pendulum.date(1975, 11, 1).subtract(months=-1).month == 12 + + +def test_subtract_days_positive(): + assert pendulum.Date(1975, 6, 1).subtract(days=1).day == 31 + + +def test_subtract_days_zero(): + assert pendulum.Date(1975, 5, 31).subtract(days=0).day == 31 + + +def test_subtract_days_negative(): + assert pendulum.Date(1975, 5, 30).subtract(days=-1).day == 31 + + +def test_subtract_days_max(): + delta = pendulum.now() - pendulum.instance(datetime.min) + assert pendulum.now().subtract(days=delta.days - 1).year == 1 + + +def test_subtract_weeks_positive(): + assert pendulum.Date(1975, 5, 28).subtract(weeks=1).day == 21 + + +def test_subtract_weeks_zero(): + assert pendulum.Date(1975, 5, 21).subtract(weeks=0).day == 21 + + +def test_subtract_weeks_negative(): + assert pendulum.Date(1975, 5, 14).subtract(weeks=-1).day == 21 + + +def test_subtract_timedelta(): + delta = timedelta(days=18) + d = pendulum.date(2015, 3, 14) + + new = d - delta + assert isinstance(new, pendulum.Date) + assert_date(new, 2015, 2, 24) + + +def test_subtract_duration(): + delta = pendulum.duration(years=2, months=3, days=18) + d = pendulum.date(2015, 3, 14) + + new = d - delta + assert_date(new, 2012, 11, 26) + + +def test_addition_invalid_type(): + d = pendulum.date(2015, 3, 14) + + with pytest.raises(TypeError): + d - "ab" + + with pytest.raises(TypeError): + "ab" - d |