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Diffstat (limited to '')
-rw-r--r-- | tests/datetime/test_add.py | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/tests/datetime/test_add.py b/tests/datetime/test_add.py new file mode 100644 index 0000000..bb338ba --- /dev/null +++ b/tests/datetime/test_add.py @@ -0,0 +1,267 @@ +from datetime import timedelta + +import pendulum +import pytest + +from ..conftest import assert_datetime + + +def test_add_years_positive(): + assert pendulum.datetime(1975, 1, 1).add(years=1).year == 1976 + + +def test_add_years_zero(): + assert pendulum.datetime(1975, 1, 1).add(years=0).year == 1975 + + +def test_add_years_negative(): + assert pendulum.datetime(1975, 1, 1).add(years=-1).year == 1974 + + +def test_add_months_positive(): + assert pendulum.datetime(1975, 12, 1).add(months=1).month == 1 + + +def test_add_months_zero(): + assert pendulum.datetime(1975, 12, 1).add(months=0).month == 12 + + +def test_add_months_negative(): + assert pendulum.datetime(1975, 12, 1).add(months=-1).month == 11 + + +def test_add_month_with_overflow(): + assert pendulum.datetime(2012, 1, 31).add(months=1).month == 2 + + +def test_add_days_positive(): + assert pendulum.datetime(1975, 5, 31).add(days=1).day == 1 + + +def test_add_days_zero(): + assert pendulum.datetime(1975, 5, 31).add(days=0).day == 31 + + +def test_add_days_negative(): + assert pendulum.datetime(1975, 5, 31).add(days=-1).day == 30 + + +def test_add_weeks_positive(): + assert pendulum.datetime(1975, 5, 21).add(weeks=1).day == 28 + + +def test_add_weeks_zero(): + assert pendulum.datetime(1975, 5, 21).add(weeks=0).day == 21 + + +def test_add_weeks_negative(): + assert pendulum.datetime(1975, 5, 21).add(weeks=-1).day == 14 + + +def test_add_hours_positive(): + assert pendulum.datetime(1975, 5, 21, 0, 0, 0).add(hours=1).hour == 1 + + +def test_add_hours_zero(): + assert pendulum.datetime(1975, 5, 21, 0, 0, 0).add(hours=0).hour == 0 + + +def test_add_hours_negative(): + assert pendulum.datetime(1975, 5, 21, 0, 0, 0).add(hours=-1).hour == 23 + + +def test_add_minutes_positive(): + assert pendulum.datetime(1975, 5, 21, 0, 0, 0).add(minutes=1).minute == 1 + + +def test_add_minutes_zero(): + assert pendulum.datetime(1975, 5, 21, 0, 0, 0).add(minutes=0).minute == 0 + + +def test_add_minutes_negative(): + assert pendulum.datetime(1975, 5, 21, 0, 0, 0).add(minutes=-1).minute == 59 + + +def test_add_seconds_positive(): + assert pendulum.datetime(1975, 5, 21, 0, 0, 0).add(seconds=1).second == 1 + + +def test_add_seconds_zero(): + assert pendulum.datetime(1975, 5, 21, 0, 0, 0).add(seconds=0).second == 0 + + +def test_add_seconds_negative(): + assert pendulum.datetime(1975, 5, 21, 0, 0, 0).add(seconds=-1).second == 59 + + +def test_add_timedelta(): + delta = timedelta(days=6, seconds=45, microseconds=123456) + d = pendulum.datetime(2015, 3, 14, 3, 12, 15, 654321) + + d = d + delta + assert d.day == 20 + assert d.minute == 13 + assert d.second == 0 + assert d.microsecond == 777777 + + +def test_add_duration(): + duration = pendulum.duration( + years=2, months=3, days=6, seconds=45, microseconds=123456 + ) + d = pendulum.datetime(2015, 3, 14, 3, 12, 15, 654321) + + d = d + duration + assert 2017 == d.year + assert 6 == d.month + assert 20 == d.day + assert 3 == d.hour + assert 13 == d.minute + assert 0 == d.second + assert 777777 == d.microsecond + + +def test_addition_invalid_type(): + d = pendulum.datetime(2015, 3, 14, 3, 12, 15, 654321) + + with pytest.raises(TypeError): + d + 3 + + with pytest.raises(TypeError): + 3 + d + + +def test_add_to_fixed_timezones(): + dt = pendulum.parse("2015-03-08T01:00:00-06:00") + dt = dt.add(weeks=1) + dt = dt.add(hours=1) + + assert_datetime(dt, 2015, 3, 15, 2, 0, 0) + assert dt.timezone_name == "-06:00" + assert dt.offset == -6 * 3600 + + +def test_add_time_to_new_transition_skipped(): + dt = pendulum.datetime(2013, 3, 31, 1, 59, 59, 999999, tz="Europe/Paris") + + assert_datetime(dt, 2013, 3, 31, 1, 59, 59, 999999) + assert dt.timezone_name == "Europe/Paris" + assert dt.offset == 3600 + assert not dt.is_dst() + + dt = dt.add(microseconds=1) + + assert_datetime(dt, 2013, 3, 31, 3, 0, 0, 0) + assert dt.timezone_name == "Europe/Paris" + assert dt.offset == 7200 + assert dt.is_dst() + + dt = pendulum.datetime(2013, 3, 10, 1, 59, 59, 999999, tz="America/New_York") + + assert_datetime(dt, 2013, 3, 10, 1, 59, 59, 999999) + assert dt.timezone_name == "America/New_York" + assert dt.offset == -5 * 3600 + assert not dt.is_dst() + + dt = dt.add(microseconds=1) + + assert_datetime(dt, 2013, 3, 10, 3, 0, 0, 0) + assert dt.timezone_name == "America/New_York" + assert dt.offset == -4 * 3600 + assert dt.is_dst() + + dt = pendulum.datetime(1957, 4, 28, 1, 59, 59, 999999, tz="America/New_York") + + assert_datetime(dt, 1957, 4, 28, 1, 59, 59, 999999) + assert dt.timezone_name == "America/New_York" + assert dt.offset == -5 * 3600 + assert not dt.is_dst() + + dt = dt.add(microseconds=1) + + assert_datetime(dt, 1957, 4, 28, 3, 0, 0, 0) + assert dt.timezone_name == "America/New_York" + assert dt.offset == -4 * 3600 + assert dt.is_dst() + + +def test_add_time_to_new_transition_skipped_big(): + dt = pendulum.datetime(2013, 3, 31, 1, tz="Europe/Paris") + + assert_datetime(dt, 2013, 3, 31, 1, 0, 0, 0) + assert dt.timezone_name == "Europe/Paris" + assert dt.offset == 3600 + assert not dt.is_dst() + + dt = dt.add(weeks=1) + + assert_datetime(dt, 2013, 4, 7, 1, 0, 0, 0) + assert dt.timezone_name == "Europe/Paris" + assert dt.offset == 7200 + assert dt.is_dst() + + +def test_add_time_to_new_transition_repeated(): + dt = pendulum.datetime(2013, 10, 27, 1, 59, 59, 999999, tz="Europe/Paris") + dt = dt.add(hours=1) + + assert_datetime(dt, 2013, 10, 27, 2, 59, 59, 999999) + assert dt.timezone_name == "Europe/Paris" + assert dt.offset == 7200 + assert dt.is_dst() + + dt = dt.add(microseconds=1) + + assert_datetime(dt, 2013, 10, 27, 2, 0, 0, 0) + assert dt.timezone_name == "Europe/Paris" + assert dt.offset == 3600 + assert not dt.is_dst() + + dt = pendulum.datetime(2013, 11, 3, 0, 59, 59, 999999, tz="America/New_York") + print(dt) + dt = dt.add(hours=1) + print(dt) + + assert_datetime(dt, 2013, 11, 3, 1, 59, 59, 999999) + assert dt.timezone_name == "America/New_York" + assert dt.offset == -4 * 3600 + assert dt.is_dst() + + dt = dt.add(microseconds=1) + + assert_datetime(dt, 2013, 11, 3, 1, 0, 0, 0) + assert dt.timezone_name == "America/New_York" + assert dt.offset == -5 * 3600 + assert not dt.is_dst() + + +def test_add_time_to_new_transition_repeated_big(): + dt = pendulum.datetime(2013, 10, 27, 1, tz="Europe/Paris") + + assert_datetime(dt, 2013, 10, 27, 1, 0, 0, 0) + assert dt.timezone_name == "Europe/Paris" + assert dt.offset == 7200 + assert dt.is_dst() + + dt = dt.add(weeks=1) + + assert_datetime(dt, 2013, 11, 3, 1, 0, 0, 0) + assert dt.timezone_name == "Europe/Paris" + assert dt.offset == 3600 + assert not dt.is_dst() + + +def test_add_interval(): + dt = pendulum.datetime(2017, 3, 11, 10, 45, tz="America/Los_Angeles") + new = dt + pendulum.duration(hours=24) + + assert_datetime(new, 2017, 3, 12, 11, 45) + + +def test_period_over_midnight_tz(): + start = pendulum.datetime(2018, 2, 25, tz="Europe/Paris") + end = start.add(hours=1) + period = end - start + new_end = start + period + + assert new_end == end |