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-rw-r--r--tests/datetime/test_add.py268
1 files changed, 268 insertions, 0 deletions
diff --git a/tests/datetime/test_add.py b/tests/datetime/test_add.py
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+++ b/tests/datetime/test_add.py
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+from __future__ import annotations
+
+from datetime import timedelta
+
+import pytest
+
+import pendulum
+
+from tests.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 d.year == 2017
+ assert d.month == 6
+ assert d.day == 20
+ assert d.hour == 3
+ assert d.minute == 13
+ assert d.second == 0
+ assert d.microsecond == 777777
+
+
+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")
+ dt = dt.add(hours=1)
+
+ 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
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-06 09:36:32 +0000