213 lines
6.1 KiB
Python
213 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
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from pybind11_tests import chrono as m
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import datetime
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import pytest
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import env # noqa: F401
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def test_chrono_system_clock():
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# Get the time from both c++ and datetime
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date0 = datetime.datetime.today()
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date1 = m.test_chrono1()
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date2 = datetime.datetime.today()
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# The returned value should be a datetime
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assert isinstance(date1, datetime.datetime)
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# The numbers should vary by a very small amount (time it took to execute)
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diff_python = abs(date2 - date0)
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diff = abs(date1 - date2)
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# There should never be a days difference
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assert diff.days == 0
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# Since datetime.datetime.today() calls time.time(), and on some platforms
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# that has 1 second accuracy, we compare this way
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assert diff.seconds <= diff_python.seconds
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def test_chrono_system_clock_roundtrip():
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date1 = datetime.datetime.today()
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# Roundtrip the time
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date2 = m.test_chrono2(date1)
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# The returned value should be a datetime
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assert isinstance(date2, datetime.datetime)
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# They should be identical (no information lost on roundtrip)
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diff = abs(date1 - date2)
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assert diff.days == 0
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assert diff.seconds == 0
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assert diff.microseconds == 0
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def test_chrono_system_clock_roundtrip_date():
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date1 = datetime.date.today()
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# Roundtrip the time
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datetime2 = m.test_chrono2(date1)
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date2 = datetime2.date()
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time2 = datetime2.time()
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# The returned value should be a datetime
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assert isinstance(datetime2, datetime.datetime)
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assert isinstance(date2, datetime.date)
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assert isinstance(time2, datetime.time)
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# They should be identical (no information lost on roundtrip)
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diff = abs(date1 - date2)
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assert diff.days == 0
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assert diff.seconds == 0
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assert diff.microseconds == 0
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# Year, Month & Day should be the same after the round trip
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assert date1.year == date2.year
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assert date1.month == date2.month
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assert date1.day == date2.day
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# There should be no time information
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assert time2.hour == 0
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assert time2.minute == 0
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assert time2.second == 0
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assert time2.microsecond == 0
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SKIP_TZ_ENV_ON_WIN = pytest.mark.skipif(
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"env.WIN", reason="TZ environment variable only supported on POSIX"
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)
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@pytest.mark.parametrize("time1", [
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datetime.datetime.today().time(),
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datetime.time(0, 0, 0),
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datetime.time(0, 0, 0, 1),
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datetime.time(0, 28, 45, 109827),
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datetime.time(0, 59, 59, 999999),
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datetime.time(1, 0, 0),
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datetime.time(5, 59, 59, 0),
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datetime.time(5, 59, 59, 1),
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])
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@pytest.mark.parametrize("tz", [
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None,
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pytest.param("Europe/Brussels", marks=SKIP_TZ_ENV_ON_WIN),
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pytest.param("Asia/Pyongyang", marks=SKIP_TZ_ENV_ON_WIN),
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pytest.param("America/New_York", marks=SKIP_TZ_ENV_ON_WIN),
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])
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def test_chrono_system_clock_roundtrip_time(time1, tz, monkeypatch):
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if tz is not None:
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monkeypatch.setenv("TZ", "/usr/share/zoneinfo/{}".format(tz))
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# Roundtrip the time
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datetime2 = m.test_chrono2(time1)
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date2 = datetime2.date()
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time2 = datetime2.time()
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# The returned value should be a datetime
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assert isinstance(datetime2, datetime.datetime)
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assert isinstance(date2, datetime.date)
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assert isinstance(time2, datetime.time)
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# Hour, Minute, Second & Microsecond should be the same after the round trip
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assert time1.hour == time2.hour
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assert time1.minute == time2.minute
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assert time1.second == time2.second
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assert time1.microsecond == time2.microsecond
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# There should be no date information (i.e. date = python base date)
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assert date2.year == 1970
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assert date2.month == 1
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assert date2.day == 1
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def test_chrono_duration_roundtrip():
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# Get the difference between two times (a timedelta)
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date1 = datetime.datetime.today()
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date2 = datetime.datetime.today()
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diff = date2 - date1
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# Make sure this is a timedelta
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assert isinstance(diff, datetime.timedelta)
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cpp_diff = m.test_chrono3(diff)
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assert cpp_diff.days == diff.days
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assert cpp_diff.seconds == diff.seconds
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assert cpp_diff.microseconds == diff.microseconds
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def test_chrono_duration_subtraction_equivalence():
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date1 = datetime.datetime.today()
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date2 = datetime.datetime.today()
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diff = date2 - date1
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cpp_diff = m.test_chrono4(date2, date1)
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assert cpp_diff.days == diff.days
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assert cpp_diff.seconds == diff.seconds
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assert cpp_diff.microseconds == diff.microseconds
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def test_chrono_duration_subtraction_equivalence_date():
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date1 = datetime.date.today()
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date2 = datetime.date.today()
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diff = date2 - date1
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cpp_diff = m.test_chrono4(date2, date1)
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assert cpp_diff.days == diff.days
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assert cpp_diff.seconds == diff.seconds
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assert cpp_diff.microseconds == diff.microseconds
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def test_chrono_steady_clock():
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time1 = m.test_chrono5()
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assert isinstance(time1, datetime.timedelta)
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def test_chrono_steady_clock_roundtrip():
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time1 = datetime.timedelta(days=10, seconds=10, microseconds=100)
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time2 = m.test_chrono6(time1)
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assert isinstance(time2, datetime.timedelta)
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# They should be identical (no information lost on roundtrip)
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assert time1.days == time2.days
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assert time1.seconds == time2.seconds
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assert time1.microseconds == time2.microseconds
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def test_floating_point_duration():
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# Test using a floating point number in seconds
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time = m.test_chrono7(35.525123)
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assert isinstance(time, datetime.timedelta)
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assert time.seconds == 35
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assert 525122 <= time.microseconds <= 525123
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diff = m.test_chrono_float_diff(43.789012, 1.123456)
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assert diff.seconds == 42
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assert 665556 <= diff.microseconds <= 665557
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def test_nano_timepoint():
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time = datetime.datetime.now()
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time1 = m.test_nano_timepoint(time, datetime.timedelta(seconds=60))
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assert(time1 == time + datetime.timedelta(seconds=60))
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def test_chrono_different_resolutions():
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resolutions = m.different_resolutions()
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time = datetime.datetime.now()
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resolutions.timestamp_h = time
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resolutions.timestamp_m = time
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resolutions.timestamp_s = time
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resolutions.timestamp_ms = time
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resolutions.timestamp_us = time
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