mirror of
https://github.com/home-assistant/core
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742 lines
25 KiB
Python
742 lines
25 KiB
Python
"""Test Home Assistant date util methods."""
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from __future__ import annotations
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from datetime import datetime, timedelta
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import time
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import pytest
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import homeassistant.util.dt as dt_util
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DEFAULT_TIME_ZONE = dt_util.DEFAULT_TIME_ZONE
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TEST_TIME_ZONE = "America/Los_Angeles"
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@pytest.fixture(autouse=True)
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def teardown():
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"""Stop everything that was started."""
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yield
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dt_util.set_default_time_zone(DEFAULT_TIME_ZONE)
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def test_get_time_zone_retrieves_valid_time_zone() -> None:
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"""Test getting a time zone."""
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assert dt_util.get_time_zone(TEST_TIME_ZONE) is not None
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def test_get_time_zone_returns_none_for_garbage_time_zone() -> None:
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"""Test getting a non existing time zone."""
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assert dt_util.get_time_zone("Non existing time zone") is None
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def test_set_default_time_zone() -> None:
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"""Test setting default time zone."""
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time_zone = dt_util.get_time_zone(TEST_TIME_ZONE)
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dt_util.set_default_time_zone(time_zone)
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assert dt_util.now().tzinfo is time_zone
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def test_utcnow() -> None:
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"""Test the UTC now method."""
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assert abs(dt_util.utcnow().replace(tzinfo=None) - datetime.utcnow()) < timedelta(
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seconds=1
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)
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def test_now() -> None:
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"""Test the now method."""
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dt_util.set_default_time_zone(dt_util.get_time_zone(TEST_TIME_ZONE))
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assert abs(
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dt_util.as_utc(dt_util.now()).replace(tzinfo=None) - datetime.utcnow()
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) < timedelta(seconds=1)
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def test_as_utc_with_naive_object() -> None:
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"""Test the now method."""
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utcnow = datetime.utcnow()
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assert utcnow == dt_util.as_utc(utcnow).replace(tzinfo=None)
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def test_as_utc_with_utc_object() -> None:
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"""Test UTC time with UTC object."""
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utcnow = dt_util.utcnow()
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assert utcnow == dt_util.as_utc(utcnow)
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def test_as_utc_with_local_object() -> None:
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"""Test the UTC time with local object."""
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dt_util.set_default_time_zone(dt_util.get_time_zone(TEST_TIME_ZONE))
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localnow = dt_util.now()
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utcnow = dt_util.as_utc(localnow)
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assert localnow == utcnow
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assert localnow.tzinfo != utcnow.tzinfo
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def test_as_local_with_naive_object() -> None:
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"""Test local time with native object."""
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now = dt_util.now()
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assert abs(now - dt_util.as_local(datetime.utcnow())) < timedelta(seconds=1)
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def test_as_local_with_local_object() -> None:
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"""Test local with local object."""
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now = dt_util.now()
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assert now == now
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def test_as_local_with_utc_object() -> None:
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"""Test local time with UTC object."""
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dt_util.set_default_time_zone(dt_util.get_time_zone(TEST_TIME_ZONE))
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utcnow = dt_util.utcnow()
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localnow = dt_util.as_local(utcnow)
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assert localnow == utcnow
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assert localnow.tzinfo != utcnow.tzinfo
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def test_utc_from_timestamp() -> None:
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"""Test utc_from_timestamp method."""
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assert datetime(1986, 7, 9, tzinfo=dt_util.UTC) == dt_util.utc_from_timestamp(
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521251200
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)
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def test_timestamp_to_utc() -> None:
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"""Test we can convert a utc datetime to a timestamp."""
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utc_now = dt_util.utcnow()
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assert dt_util.utc_to_timestamp(utc_now) == utc_now.timestamp()
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def test_as_timestamp() -> None:
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"""Test as_timestamp method."""
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ts = 1462401234
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utc_dt = dt_util.utc_from_timestamp(ts)
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assert ts == dt_util.as_timestamp(utc_dt)
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utc_iso = utc_dt.isoformat()
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assert ts == dt_util.as_timestamp(utc_iso)
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# confirm the ability to handle a string passed in
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delta = dt_util.as_timestamp("2016-01-01 12:12:12")
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delta -= dt_util.as_timestamp("2016-01-01 12:12:11")
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assert delta == 1
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def test_parse_datetime_converts_correctly() -> None:
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"""Test parse_datetime converts strings."""
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assert datetime(1986, 7, 9, 12, 0, 0, tzinfo=dt_util.UTC) == dt_util.parse_datetime(
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"1986-07-09T12:00:00Z"
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)
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utcnow = dt_util.utcnow()
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assert utcnow == dt_util.parse_datetime(utcnow.isoformat())
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def test_parse_datetime_returns_none_for_incorrect_format() -> None:
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"""Test parse_datetime returns None if incorrect format."""
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assert dt_util.parse_datetime("not a datetime string") is None
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@pytest.mark.parametrize(
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("duration_string", "expected_result"),
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[
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("PT10M", timedelta(minutes=10)),
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("PT0S", timedelta(0)),
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("P10DT11H11M01S", timedelta(days=10, hours=11, minutes=11, seconds=1)),
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(
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"4 1:20:30.111111",
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timedelta(days=4, hours=1, minutes=20, seconds=30, microseconds=111111),
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),
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("4 1:2:30", timedelta(days=4, hours=1, minutes=2, seconds=30)),
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("3 days 04:05:06", timedelta(days=3, hours=4, minutes=5, seconds=6)),
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("P1YT10M", None),
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("P1MT10M", None),
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("1MT10M", None),
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("P1MT100M", None),
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("P1234", None),
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],
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)
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def test_parse_duration(
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duration_string: str, expected_result: timedelta | None
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) -> None:
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"""Test that parse_duration returns the expected result."""
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assert dt_util.parse_duration(duration_string) == expected_result
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def test_get_age() -> None:
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"""Test get_age."""
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diff = dt_util.now() - timedelta(seconds=0)
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assert dt_util.get_age(diff) == "0 seconds"
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diff = dt_util.now() - timedelta(seconds=1)
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assert dt_util.get_age(diff) == "1 second"
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diff = dt_util.now() - timedelta(seconds=30)
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assert dt_util.get_age(diff) == "30 seconds"
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diff = dt_util.now() - timedelta(minutes=5)
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assert dt_util.get_age(diff) == "5 minutes"
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diff = dt_util.now() - timedelta(minutes=1)
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assert dt_util.get_age(diff) == "1 minute"
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diff = dt_util.now() - timedelta(minutes=300)
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assert dt_util.get_age(diff) == "5 hours"
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diff = dt_util.now() - timedelta(minutes=320)
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assert dt_util.get_age(diff) == "5 hours"
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diff = dt_util.now() - timedelta(minutes=1.6 * 60 * 24)
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assert dt_util.get_age(diff) == "2 days"
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diff = dt_util.now() - timedelta(minutes=2 * 60 * 24)
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assert dt_util.get_age(diff) == "2 days"
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diff = dt_util.now() - timedelta(minutes=32 * 60 * 24)
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assert dt_util.get_age(diff) == "1 month"
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diff = dt_util.now() - timedelta(minutes=365 * 60 * 24)
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assert dt_util.get_age(diff) == "1 year"
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def test_parse_time_expression() -> None:
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"""Test parse_time_expression."""
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assert list(range(60)) == dt_util.parse_time_expression("*", 0, 59)
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assert list(range(60)) == dt_util.parse_time_expression(None, 0, 59)
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assert list(range(0, 60, 5)) == dt_util.parse_time_expression("/5", 0, 59)
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assert [1, 2, 3] == dt_util.parse_time_expression([2, 1, 3], 0, 59)
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assert list(range(24)) == dt_util.parse_time_expression("*", 0, 23)
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assert [42] == dt_util.parse_time_expression(42, 0, 59)
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assert [42] == dt_util.parse_time_expression("42", 0, 59)
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with pytest.raises(ValueError):
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dt_util.parse_time_expression(61, 0, 60)
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def test_find_next_time_expression_time_basic() -> None:
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"""Test basic stuff for find_next_time_expression_time."""
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def find(dt, hour, minute, second):
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"""Call test_find_next_time_expression_time."""
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seconds = dt_util.parse_time_expression(second, 0, 59)
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minutes = dt_util.parse_time_expression(minute, 0, 59)
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hours = dt_util.parse_time_expression(hour, 0, 23)
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return dt_util.find_next_time_expression_time(dt, seconds, minutes, hours)
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assert datetime(2018, 10, 7, 10, 30, 0) == find(
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datetime(2018, 10, 7, 10, 20, 0), "*", "/30", 0
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)
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assert datetime(2018, 10, 7, 10, 30, 0) == find(
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datetime(2018, 10, 7, 10, 30, 0), "*", "/30", 0
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)
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assert datetime(2018, 10, 7, 12, 0, 30) == find(
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datetime(2018, 10, 7, 10, 30, 0), "/3", "/30", [30, 45]
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)
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assert datetime(2018, 10, 8, 5, 0, 0) == find(
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datetime(2018, 10, 7, 10, 30, 0), 5, 0, 0
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)
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assert find(datetime(2018, 10, 7, 10, 30, 0, 999999), "*", "/30", 0) == datetime(
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2018, 10, 7, 10, 30, 0
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)
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def test_find_next_time_expression_time_dst() -> None:
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"""Test daylight saving time for find_next_time_expression_time."""
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tz = dt_util.get_time_zone("Europe/Vienna")
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dt_util.set_default_time_zone(tz)
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def find(dt, hour, minute, second) -> datetime:
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"""Call test_find_next_time_expression_time."""
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seconds = dt_util.parse_time_expression(second, 0, 59)
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minutes = dt_util.parse_time_expression(minute, 0, 59)
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hours = dt_util.parse_time_expression(hour, 0, 23)
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local = dt_util.find_next_time_expression_time(dt, seconds, minutes, hours)
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return dt_util.as_utc(local)
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# Entering DST, clocks are rolled forward
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assert dt_util.as_utc(datetime(2018, 3, 26, 2, 30, 0, tzinfo=tz)) == find(
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datetime(2018, 3, 25, 1, 50, 0, tzinfo=tz), 2, 30, 0
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)
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assert dt_util.as_utc(datetime(2018, 3, 26, 2, 30, 0, tzinfo=tz)) == find(
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datetime(2018, 3, 25, 3, 50, 0, tzinfo=tz), 2, 30, 0
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)
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assert dt_util.as_utc(datetime(2018, 3, 26, 2, 30, 0, tzinfo=tz)) == find(
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datetime(2018, 3, 26, 1, 50, 0, tzinfo=tz), 2, 30, 0
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)
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# Leaving DST, clocks are rolled back
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assert dt_util.as_utc(datetime(2018, 10, 28, 2, 30, 0, tzinfo=tz, fold=0)) == find(
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datetime(2018, 10, 28, 2, 5, 0, tzinfo=tz, fold=0), 2, 30, 0
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)
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assert dt_util.as_utc(datetime(2018, 10, 28, 2, 30, 0, tzinfo=tz, fold=0)) == find(
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datetime(2018, 10, 28, 2, 5, 0, tzinfo=tz), 2, 30, 0
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)
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assert dt_util.as_utc(datetime(2018, 10, 28, 2, 30, 0, tzinfo=tz, fold=1)) == find(
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datetime(2018, 10, 28, 2, 55, 0, tzinfo=tz), 2, 30, 0
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)
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assert dt_util.as_utc(datetime(2018, 10, 28, 2, 30, 0, tzinfo=tz, fold=1)) == find(
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datetime(2018, 10, 28, 2, 55, 0, tzinfo=tz, fold=0), 2, 30, 0
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)
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assert dt_util.as_utc(datetime(2018, 10, 28, 4, 30, 0, tzinfo=tz, fold=0)) == find(
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datetime(2018, 10, 28, 2, 55, 0, tzinfo=tz, fold=1), 4, 30, 0
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)
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assert dt_util.as_utc(datetime(2018, 10, 28, 2, 30, 0, tzinfo=tz, fold=1)) == find(
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datetime(2018, 10, 28, 2, 5, 0, tzinfo=tz, fold=1), 2, 30, 0
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)
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assert dt_util.as_utc(datetime(2018, 10, 28, 2, 30, 0, tzinfo=tz, fold=1)) == find(
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datetime(2018, 10, 28, 2, 55, 0, tzinfo=tz, fold=0), 2, 30, 0
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)
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# DST begins on 2021.03.28 2:00, clocks were turned forward 1h; 2:00-3:00 time does not exist
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@pytest.mark.parametrize(
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("now_dt", "expected_dt"),
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[
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# 00:00 -> 2:30
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(
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datetime(2021, 3, 28, 0, 0, 0),
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datetime(2021, 3, 29, 2, 30, 0),
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),
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],
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)
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def test_find_next_time_expression_entering_dst(now_dt, expected_dt) -> None:
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"""Test entering daylight saving time for find_next_time_expression_time."""
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tz = dt_util.get_time_zone("Europe/Vienna")
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dt_util.set_default_time_zone(tz)
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# match on 02:30:00 every day
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pattern_seconds = dt_util.parse_time_expression(0, 0, 59)
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pattern_minutes = dt_util.parse_time_expression(30, 0, 59)
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pattern_hours = dt_util.parse_time_expression(2, 0, 59)
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now_dt = now_dt.replace(tzinfo=tz)
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expected_dt = expected_dt.replace(tzinfo=tz)
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res_dt = dt_util.find_next_time_expression_time(
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now_dt, pattern_seconds, pattern_minutes, pattern_hours
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)
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assert dt_util.as_utc(res_dt) == dt_util.as_utc(expected_dt)
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# DST ends on 2021.10.31 2:00, clocks were turned backward 1h; 2:00-3:00 time is ambiguous
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@pytest.mark.parametrize(
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("now_dt", "expected_dt"),
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[
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# 00:00 -> 2:30
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(
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datetime(2021, 10, 31, 0, 0, 0),
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datetime(2021, 10, 31, 2, 30, 0, fold=0),
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),
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# 02:00(0) -> 2:30(0)
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(
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datetime(2021, 10, 31, 2, 0, 0, fold=0),
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datetime(2021, 10, 31, 2, 30, 0, fold=0),
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),
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# 02:15(0) -> 2:30(0)
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(
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datetime(2021, 10, 31, 2, 15, 0, fold=0),
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datetime(2021, 10, 31, 2, 30, 0, fold=0),
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),
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# 02:30:00(0) -> 2:30(1)
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(
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datetime(2021, 10, 31, 2, 30, 0, fold=0),
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datetime(2021, 10, 31, 2, 30, 0, fold=0),
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),
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# 02:30:01(0) -> 2:30(1)
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(
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datetime(2021, 10, 31, 2, 30, 1, fold=0),
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datetime(2021, 10, 31, 2, 30, 0, fold=1),
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),
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# 02:45(0) -> 2:30(1)
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(
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datetime(2021, 10, 31, 2, 45, 0, fold=0),
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datetime(2021, 10, 31, 2, 30, 0, fold=1),
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),
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# 02:00(1) -> 2:30(1)
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(
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datetime(2021, 10, 31, 2, 0, 0, fold=1),
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datetime(2021, 10, 31, 2, 30, 0, fold=1),
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),
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# 02:15(1) -> 2:30(1)
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(
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datetime(2021, 10, 31, 2, 15, 0, fold=1),
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datetime(2021, 10, 31, 2, 30, 0, fold=1),
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),
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# 02:30:00(1) -> 2:30(1)
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(
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datetime(2021, 10, 31, 2, 30, 0, fold=1),
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datetime(2021, 10, 31, 2, 30, 0, fold=1),
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),
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# 02:30:01(1) -> 2:30 next day
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(
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datetime(2021, 10, 31, 2, 30, 1, fold=1),
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datetime(2021, 11, 1, 2, 30, 0),
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),
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# 02:45(1) -> 2:30 next day
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(
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datetime(2021, 10, 31, 2, 45, 0, fold=1),
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datetime(2021, 11, 1, 2, 30, 0),
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),
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# 08:00(1) -> 2:30 next day
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(
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datetime(2021, 10, 31, 8, 0, 1),
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datetime(2021, 11, 1, 2, 30, 0),
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),
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],
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)
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def test_find_next_time_expression_exiting_dst(now_dt, expected_dt) -> None:
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"""Test exiting daylight saving time for find_next_time_expression_time."""
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tz = dt_util.get_time_zone("Europe/Vienna")
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dt_util.set_default_time_zone(tz)
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# match on 02:30:00 every day
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pattern_seconds = dt_util.parse_time_expression(0, 0, 59)
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pattern_minutes = dt_util.parse_time_expression(30, 0, 59)
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pattern_hours = dt_util.parse_time_expression(2, 0, 59)
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now_dt = now_dt.replace(tzinfo=tz)
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expected_dt = expected_dt.replace(tzinfo=tz)
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res_dt = dt_util.find_next_time_expression_time(
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now_dt, pattern_seconds, pattern_minutes, pattern_hours
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)
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assert dt_util.as_utc(res_dt) == dt_util.as_utc(expected_dt)
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def test_find_next_time_expression_time_dst_chicago() -> None:
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"""Test daylight saving time for find_next_time_expression_time."""
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tz = dt_util.get_time_zone("America/Chicago")
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dt_util.set_default_time_zone(tz)
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def find(dt, hour, minute, second) -> datetime:
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"""Call test_find_next_time_expression_time."""
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seconds = dt_util.parse_time_expression(second, 0, 59)
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minutes = dt_util.parse_time_expression(minute, 0, 59)
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hours = dt_util.parse_time_expression(hour, 0, 23)
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local = dt_util.find_next_time_expression_time(dt, seconds, minutes, hours)
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return dt_util.as_utc(local)
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# Entering DST, clocks are rolled forward
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assert dt_util.as_utc(datetime(2021, 3, 15, 2, 30, 0, tzinfo=tz)) == find(
|
|
datetime(2021, 3, 14, 1, 50, 0, tzinfo=tz), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 3, 15, 2, 30, 0, tzinfo=tz)) == find(
|
|
datetime(2021, 3, 14, 3, 50, 0, tzinfo=tz), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 3, 15, 2, 30, 0, tzinfo=tz)) == find(
|
|
datetime(2021, 3, 14, 1, 50, 0, tzinfo=tz), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 3, 14, 3, 30, 0, tzinfo=tz)) == find(
|
|
datetime(2021, 3, 14, 1, 50, 0, tzinfo=tz), 3, 30, 0
|
|
)
|
|
|
|
# Leaving DST, clocks are rolled back
|
|
assert dt_util.as_utc(datetime(2021, 11, 7, 2, 30, 0, tzinfo=tz, fold=0)) == find(
|
|
datetime(2021, 11, 7, 2, 5, 0, tzinfo=tz, fold=0), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 11, 7, 2, 30, 0, tzinfo=tz)) == find(
|
|
datetime(2021, 11, 7, 2, 5, 0, tzinfo=tz), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 11, 7, 2, 30, 0, tzinfo=tz, fold=0)) == find(
|
|
datetime(2021, 11, 7, 2, 5, 0, tzinfo=tz), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 11, 7, 2, 30, 0, tzinfo=tz, fold=1)) == find(
|
|
datetime(2021, 11, 7, 2, 10, 0, tzinfo=tz), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 11, 7, 2, 30, 0, tzinfo=tz, fold=1)) == find(
|
|
datetime(2021, 11, 7, 2, 30, 0, tzinfo=tz, fold=0), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 11, 8, 2, 30, 0, tzinfo=tz, fold=1)) == find(
|
|
datetime(2021, 11, 7, 2, 55, 0, tzinfo=tz, fold=0), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 11, 7, 4, 30, 0, tzinfo=tz, fold=0)) == find(
|
|
datetime(2021, 11, 7, 2, 55, 0, tzinfo=tz, fold=1), 4, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 11, 7, 2, 30, 0, tzinfo=tz, fold=1)) == find(
|
|
datetime(2021, 11, 7, 2, 5, 0, tzinfo=tz, fold=1), 2, 30, 0
|
|
)
|
|
|
|
assert dt_util.as_utc(datetime(2021, 11, 8, 2, 30, 0, tzinfo=tz)) == find(
|
|
datetime(2021, 11, 7, 2, 55, 0, tzinfo=tz, fold=0), 2, 30, 0
|
|
)
|
|
|
|
|
|
def _get_matches(hours, minutes, seconds):
|
|
matching_hours = dt_util.parse_time_expression(hours, 0, 23)
|
|
matching_minutes = dt_util.parse_time_expression(minutes, 0, 59)
|
|
matching_seconds = dt_util.parse_time_expression(seconds, 0, 59)
|
|
return matching_hours, matching_minutes, matching_seconds
|
|
|
|
|
|
def test_find_next_time_expression_day_before_dst_change_the_same_time() -> None:
|
|
"""Test the day before DST to establish behavior without DST."""
|
|
tz = dt_util.get_time_zone("America/Chicago")
|
|
dt_util.set_default_time_zone(tz)
|
|
|
|
# Not in DST yet
|
|
hour_minute_second = (12, 30, 1)
|
|
test_time = datetime(2021, 10, 7, *hour_minute_second, tzinfo=tz, fold=0)
|
|
matching_hours, matching_minutes, matching_seconds = _get_matches(
|
|
*hour_minute_second
|
|
)
|
|
next_time = dt_util.find_next_time_expression_time(
|
|
test_time, matching_seconds, matching_minutes, matching_hours
|
|
)
|
|
assert next_time == datetime(2021, 10, 7, *hour_minute_second, tzinfo=tz, fold=0)
|
|
assert next_time.fold == 0
|
|
assert dt_util.as_utc(next_time) == datetime(
|
|
2021, 10, 7, 17, 30, 1, tzinfo=dt_util.UTC
|
|
)
|
|
|
|
|
|
def test_find_next_time_expression_time_leave_dst_chicago_before_the_fold_30_s() -> (
|
|
None
|
|
):
|
|
"""Test leaving daylight saving time for find_next_time_expression_time 30s into the future."""
|
|
tz = dt_util.get_time_zone("America/Chicago")
|
|
dt_util.set_default_time_zone(tz)
|
|
|
|
# Leaving DST, clocks are rolled back
|
|
|
|
# Move ahead 30 seconds not folded yet
|
|
hour_minute_second = (1, 30, 31)
|
|
test_time = datetime(2021, 11, 7, 1, 30, 1, tzinfo=tz, fold=0)
|
|
matching_hours, matching_minutes, matching_seconds = _get_matches(
|
|
*hour_minute_second
|
|
)
|
|
next_time = dt_util.find_next_time_expression_time(
|
|
test_time, matching_seconds, matching_minutes, matching_hours
|
|
)
|
|
assert next_time == datetime(2021, 11, 7, 1, 30, 31, tzinfo=tz, fold=0)
|
|
assert dt_util.as_utc(next_time) == datetime(
|
|
2021, 11, 7, 6, 30, 31, tzinfo=dt_util.UTC
|
|
)
|
|
assert next_time.fold == 0
|
|
|
|
|
|
def test_find_next_time_expression_time_leave_dst_chicago_before_the_fold_same_time() -> (
|
|
None
|
|
):
|
|
"""Test leaving daylight saving time for find_next_time_expression_time with the same time."""
|
|
tz = dt_util.get_time_zone("America/Chicago")
|
|
dt_util.set_default_time_zone(tz)
|
|
|
|
# Leaving DST, clocks are rolled back
|
|
|
|
# Move to the same time not folded yet
|
|
hour_minute_second = (0, 30, 1)
|
|
test_time = datetime(2021, 11, 7, *hour_minute_second, tzinfo=tz, fold=0)
|
|
matching_hours, matching_minutes, matching_seconds = _get_matches(
|
|
*hour_minute_second
|
|
)
|
|
next_time = dt_util.find_next_time_expression_time(
|
|
test_time, matching_seconds, matching_minutes, matching_hours
|
|
)
|
|
assert next_time == datetime(2021, 11, 7, *hour_minute_second, tzinfo=tz, fold=0)
|
|
assert dt_util.as_utc(next_time) == datetime(
|
|
2021, 11, 7, 5, 30, 1, tzinfo=dt_util.UTC
|
|
)
|
|
assert next_time.fold == 0
|
|
|
|
|
|
def test_find_next_time_expression_time_leave_dst_chicago_into_the_fold_same_time() -> (
|
|
None
|
|
):
|
|
"""Test leaving daylight saving time for find_next_time_expression_time."""
|
|
tz = dt_util.get_time_zone("America/Chicago")
|
|
dt_util.set_default_time_zone(tz)
|
|
|
|
# Leaving DST, clocks are rolled back
|
|
|
|
# Find the same time inside the fold
|
|
hour_minute_second = (1, 30, 1)
|
|
test_time = datetime(2021, 11, 7, *hour_minute_second, tzinfo=tz, fold=0)
|
|
matching_hours, matching_minutes, matching_seconds = _get_matches(
|
|
*hour_minute_second
|
|
)
|
|
|
|
next_time = dt_util.find_next_time_expression_time(
|
|
test_time, matching_seconds, matching_minutes, matching_hours
|
|
)
|
|
assert next_time == datetime(2021, 11, 7, *hour_minute_second, tzinfo=tz, fold=1)
|
|
assert next_time.fold == 0
|
|
assert dt_util.as_utc(next_time) == datetime(
|
|
2021, 11, 7, 6, 30, 1, tzinfo=dt_util.UTC
|
|
)
|
|
|
|
|
|
def test_find_next_time_expression_time_leave_dst_chicago_into_the_fold_ahead_1_hour_10_min() -> (
|
|
None
|
|
):
|
|
"""Test leaving daylight saving time for find_next_time_expression_time."""
|
|
tz = dt_util.get_time_zone("America/Chicago")
|
|
dt_util.set_default_time_zone(tz)
|
|
|
|
# Leaving DST, clocks are rolled back
|
|
|
|
# Find 1h 10m after into the fold
|
|
# Start at 01:30:01 fold=0
|
|
# Reach to 01:20:01 fold=1
|
|
hour_minute_second = (1, 20, 1)
|
|
test_time = datetime(2021, 11, 7, 1, 30, 1, tzinfo=tz, fold=0)
|
|
matching_hours, matching_minutes, matching_seconds = _get_matches(
|
|
*hour_minute_second
|
|
)
|
|
|
|
next_time = dt_util.find_next_time_expression_time(
|
|
test_time, matching_seconds, matching_minutes, matching_hours
|
|
)
|
|
assert next_time == datetime(2021, 11, 7, *hour_minute_second, tzinfo=tz, fold=1)
|
|
assert next_time.fold == 1 # time is ambiguous
|
|
assert dt_util.as_utc(next_time) == datetime(
|
|
2021, 11, 7, 7, 20, 1, tzinfo=dt_util.UTC
|
|
)
|
|
|
|
|
|
def test_find_next_time_expression_time_leave_dst_chicago_inside_the_fold_ahead_10_min() -> (
|
|
None
|
|
):
|
|
"""Test leaving daylight saving time for find_next_time_expression_time."""
|
|
tz = dt_util.get_time_zone("America/Chicago")
|
|
dt_util.set_default_time_zone(tz)
|
|
|
|
# Leaving DST, clocks are rolled back
|
|
|
|
# Find 10m later while we are in the fold
|
|
# Start at 01:30:01 fold=0
|
|
# Reach to 01:40:01 fold=1
|
|
hour_minute_second = (1, 40, 1)
|
|
test_time = datetime(2021, 11, 7, 1, 30, 1, tzinfo=tz, fold=1)
|
|
matching_hours, matching_minutes, matching_seconds = _get_matches(
|
|
*hour_minute_second
|
|
)
|
|
|
|
next_time = dt_util.find_next_time_expression_time(
|
|
test_time, matching_seconds, matching_minutes, matching_hours
|
|
)
|
|
assert next_time == datetime(2021, 11, 7, *hour_minute_second, tzinfo=tz, fold=1)
|
|
assert next_time.fold == 1 # time is ambiguous
|
|
assert dt_util.as_utc(next_time) == datetime(
|
|
2021, 11, 7, 7, 40, 1, tzinfo=dt_util.UTC
|
|
)
|
|
|
|
|
|
def test_find_next_time_expression_time_leave_dst_chicago_past_the_fold_ahead_2_hour_10_min() -> (
|
|
None
|
|
):
|
|
"""Test leaving daylight saving time for find_next_time_expression_time."""
|
|
tz = dt_util.get_time_zone("America/Chicago")
|
|
dt_util.set_default_time_zone(tz)
|
|
|
|
# Leaving DST, clocks are rolled back
|
|
|
|
# Find 1h 10m after into the fold
|
|
# Start at 01:30:01 fold=0
|
|
# Reach to 02:20:01 past the fold
|
|
hour_minute_second = (2, 20, 1)
|
|
test_time = datetime(2021, 11, 7, 1, 30, 1, tzinfo=tz, fold=0)
|
|
matching_hours, matching_minutes, matching_seconds = _get_matches(
|
|
*hour_minute_second
|
|
)
|
|
|
|
next_time = dt_util.find_next_time_expression_time(
|
|
test_time, matching_seconds, matching_minutes, matching_hours
|
|
)
|
|
assert next_time == datetime(2021, 11, 7, *hour_minute_second, tzinfo=tz, fold=1)
|
|
assert next_time.fold == 0 # Time is no longer ambiguous
|
|
assert dt_util.as_utc(next_time) == datetime(
|
|
2021, 11, 7, 8, 20, 1, tzinfo=dt_util.UTC
|
|
)
|
|
|
|
|
|
def test_find_next_time_expression_microseconds() -> None:
|
|
"""Test finding next time expression with microsecond clock drift."""
|
|
hour_minute_second = (None, "5", "10")
|
|
test_time = datetime(2022, 5, 13, 0, 5, 9, tzinfo=dt_util.UTC)
|
|
matching_hours, matching_minutes, matching_seconds = _get_matches(
|
|
*hour_minute_second
|
|
)
|
|
next_time = dt_util.find_next_time_expression_time(
|
|
test_time, matching_seconds, matching_minutes, matching_hours
|
|
)
|
|
assert next_time == datetime(2022, 5, 13, 0, 5, 10, tzinfo=dt_util.UTC)
|
|
next_time_last_microsecond_plus_one = next_time.replace(
|
|
microsecond=999999
|
|
) + timedelta(seconds=1)
|
|
time_after = dt_util.find_next_time_expression_time(
|
|
next_time_last_microsecond_plus_one,
|
|
matching_seconds,
|
|
matching_minutes,
|
|
matching_hours,
|
|
)
|
|
assert time_after == datetime(2022, 5, 13, 1, 5, 10, tzinfo=dt_util.UTC)
|
|
|
|
|
|
def test_find_next_time_expression_tenth_second_pattern_does_not_drift_entering_dst() -> (
|
|
None
|
|
):
|
|
"""Test finding next time expression tenth second pattern does not drift entering dst."""
|
|
tz = dt_util.get_time_zone("America/Chicago")
|
|
dt_util.set_default_time_zone(tz)
|
|
tenth_second_pattern = (None, None, "10")
|
|
# Entering DST, clocks go forward
|
|
test_time = datetime(2021, 3, 15, 2, 30, 0, tzinfo=tz, fold=0)
|
|
matching_hours, matching_minutes, matching_seconds = _get_matches(
|
|
*tenth_second_pattern
|
|
)
|
|
next_time = dt_util.find_next_time_expression_time(
|
|
test_time, matching_seconds, matching_minutes, matching_hours
|
|
)
|
|
assert next_time == datetime(2021, 3, 15, 2, 30, 10, tzinfo=tz)
|
|
prev_target = next_time
|
|
for _ in range(1000):
|
|
next_target = dt_util.find_next_time_expression_time(
|
|
prev_target.replace(microsecond=999999) + timedelta(seconds=1),
|
|
matching_seconds,
|
|
matching_minutes,
|
|
matching_hours,
|
|
)
|
|
assert (next_target - prev_target).total_seconds() == 60
|
|
assert next_target.second == 10
|
|
prev_target = next_target
|
|
|
|
|
|
def test_monotonic_time_coarse() -> None:
|
|
"""Test monotonic time coarse."""
|
|
assert abs(time.monotonic() - dt_util.monotonic_time_coarse()) < 1
|