mirror of https://github.com/django/django.git
227 lines
9.1 KiB
Python
227 lines
9.1 KiB
Python
import unittest
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from datetime import date, datetime, time, timedelta
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from django.utils.dateparse import (
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parse_date,
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parse_datetime,
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parse_duration,
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parse_time,
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)
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from django.utils.timezone import get_fixed_timezone
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from django.utils.version import PY311
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class DateParseTests(unittest.TestCase):
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def test_parse_date(self):
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# Valid inputs
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self.assertEqual(parse_date("2012-04-23"), date(2012, 4, 23))
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self.assertEqual(parse_date("2012-4-9"), date(2012, 4, 9))
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if PY311:
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self.assertEqual(parse_date("20120423"), date(2012, 4, 23))
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# Invalid inputs
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self.assertIsNone(parse_date("2012423"))
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with self.assertRaises(ValueError):
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parse_date("2012-04-56")
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def test_parse_time(self):
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# Valid inputs
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self.assertEqual(parse_time("09:15:00"), time(9, 15))
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if PY311:
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self.assertEqual(parse_time("091500"), time(9, 15))
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self.assertEqual(parse_time("10:10"), time(10, 10))
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self.assertEqual(parse_time("10:20:30.400"), time(10, 20, 30, 400000))
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self.assertEqual(parse_time("10:20:30,400"), time(10, 20, 30, 400000))
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self.assertEqual(parse_time("4:8:16"), time(4, 8, 16))
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# Time zone offset is ignored.
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self.assertEqual(parse_time("00:05:23+04:00"), time(0, 5, 23))
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# Invalid inputs
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self.assertIsNone(parse_time("00:05:"))
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self.assertIsNone(parse_time("00:05:23,"))
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self.assertIsNone(parse_time("00:05:23+"))
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self.assertIsNone(parse_time("00:05:23+25:00"))
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self.assertIsNone(parse_time("4:18:101"))
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self.assertIsNone(parse_time("91500"))
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with self.assertRaises(ValueError):
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parse_time("09:15:90")
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def test_parse_datetime(self):
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valid_inputs = (
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("2012-04-23", datetime(2012, 4, 23)),
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("2012-04-23T09:15:00", datetime(2012, 4, 23, 9, 15)),
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("2012-4-9 4:8:16", datetime(2012, 4, 9, 4, 8, 16)),
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(
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"2012-04-23T09:15:00Z",
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datetime(2012, 4, 23, 9, 15, 0, 0, get_fixed_timezone(0)),
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),
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(
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"2012-4-9 4:8:16-0320",
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datetime(2012, 4, 9, 4, 8, 16, 0, get_fixed_timezone(-200)),
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),
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(
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"2012-04-23T10:20:30.400+02:30",
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datetime(2012, 4, 23, 10, 20, 30, 400000, get_fixed_timezone(150)),
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),
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(
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"2012-04-23T10:20:30.400+02",
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datetime(2012, 4, 23, 10, 20, 30, 400000, get_fixed_timezone(120)),
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),
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(
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"2012-04-23T10:20:30.400-02",
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datetime(2012, 4, 23, 10, 20, 30, 400000, get_fixed_timezone(-120)),
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),
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(
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"2012-04-23T10:20:30,400-02",
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datetime(2012, 4, 23, 10, 20, 30, 400000, get_fixed_timezone(-120)),
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),
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(
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"2012-04-23T10:20:30.400 +0230",
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datetime(2012, 4, 23, 10, 20, 30, 400000, get_fixed_timezone(150)),
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),
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(
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"2012-04-23T10:20:30,400 +00",
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datetime(2012, 4, 23, 10, 20, 30, 400000, get_fixed_timezone(0)),
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),
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(
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"2012-04-23T10:20:30 -02",
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datetime(2012, 4, 23, 10, 20, 30, 0, get_fixed_timezone(-120)),
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),
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)
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for source, expected in valid_inputs:
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with self.subTest(source=source):
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self.assertEqual(parse_datetime(source), expected)
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# Invalid inputs
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self.assertIsNone(parse_datetime("20120423091500"))
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with self.assertRaises(ValueError):
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parse_datetime("2012-04-56T09:15:90")
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class DurationParseTests(unittest.TestCase):
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def test_parse_python_format(self):
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timedeltas = [
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timedelta(
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days=4, minutes=15, seconds=30, milliseconds=100
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), # fractions of seconds
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timedelta(hours=10, minutes=15, seconds=30), # hours, minutes, seconds
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timedelta(days=4, minutes=15, seconds=30), # multiple days
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timedelta(days=1, minutes=00, seconds=00), # single day
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timedelta(days=-4, minutes=15, seconds=30), # negative durations
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timedelta(minutes=15, seconds=30), # minute & seconds
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timedelta(seconds=30), # seconds
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]
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for delta in timedeltas:
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with self.subTest(delta=delta):
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self.assertEqual(parse_duration(format(delta)), delta)
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def test_parse_postgresql_format(self):
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test_values = (
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("1 day", timedelta(1)),
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("-1 day", timedelta(-1)),
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("1 day 0:00:01", timedelta(days=1, seconds=1)),
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("1 day -0:00:01", timedelta(days=1, seconds=-1)),
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("-1 day -0:00:01", timedelta(days=-1, seconds=-1)),
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("-1 day +0:00:01", timedelta(days=-1, seconds=1)),
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(
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"4 days 0:15:30.1",
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timedelta(days=4, minutes=15, seconds=30, milliseconds=100),
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),
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(
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"4 days 0:15:30.0001",
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timedelta(days=4, minutes=15, seconds=30, microseconds=100),
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),
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("-4 days -15:00:30", timedelta(days=-4, hours=-15, seconds=-30)),
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)
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for source, expected in test_values:
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with self.subTest(source=source):
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self.assertEqual(parse_duration(source), expected)
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def test_seconds(self):
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self.assertEqual(parse_duration("30"), timedelta(seconds=30))
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def test_minutes_seconds(self):
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self.assertEqual(parse_duration("15:30"), timedelta(minutes=15, seconds=30))
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self.assertEqual(parse_duration("5:30"), timedelta(minutes=5, seconds=30))
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def test_hours_minutes_seconds(self):
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self.assertEqual(
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parse_duration("10:15:30"), timedelta(hours=10, minutes=15, seconds=30)
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)
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self.assertEqual(
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parse_duration("1:15:30"), timedelta(hours=1, minutes=15, seconds=30)
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)
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self.assertEqual(
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parse_duration("100:200:300"),
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timedelta(hours=100, minutes=200, seconds=300),
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)
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def test_days(self):
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self.assertEqual(
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parse_duration("4 15:30"), timedelta(days=4, minutes=15, seconds=30)
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)
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self.assertEqual(
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parse_duration("4 10:15:30"),
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timedelta(days=4, hours=10, minutes=15, seconds=30),
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)
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def test_fractions_of_seconds(self):
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test_values = (
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("15:30.1", timedelta(minutes=15, seconds=30, milliseconds=100)),
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("15:30.01", timedelta(minutes=15, seconds=30, milliseconds=10)),
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("15:30.001", timedelta(minutes=15, seconds=30, milliseconds=1)),
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("15:30.0001", timedelta(minutes=15, seconds=30, microseconds=100)),
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("15:30.00001", timedelta(minutes=15, seconds=30, microseconds=10)),
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("15:30.000001", timedelta(minutes=15, seconds=30, microseconds=1)),
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("15:30,000001", timedelta(minutes=15, seconds=30, microseconds=1)),
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)
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for source, expected in test_values:
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with self.subTest(source=source):
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self.assertEqual(parse_duration(source), expected)
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def test_negative(self):
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test_values = (
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("-4 15:30", timedelta(days=-4, minutes=15, seconds=30)),
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("-172800", timedelta(days=-2)),
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("-15:30", timedelta(minutes=-15, seconds=-30)),
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("-1:15:30", timedelta(hours=-1, minutes=-15, seconds=-30)),
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("-30.1", timedelta(seconds=-30, milliseconds=-100)),
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("-30,1", timedelta(seconds=-30, milliseconds=-100)),
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("-00:01:01", timedelta(minutes=-1, seconds=-1)),
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("-01:01", timedelta(seconds=-61)),
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("-01:-01", None),
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)
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for source, expected in test_values:
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with self.subTest(source=source):
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self.assertEqual(parse_duration(source), expected)
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def test_iso_8601(self):
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test_values = (
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("P4Y", None),
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("P4M", None),
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("P4W", None),
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("P4D", timedelta(days=4)),
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("-P1D", timedelta(days=-1)),
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("P0.5D", timedelta(hours=12)),
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("P0,5D", timedelta(hours=12)),
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("-P0.5D", timedelta(hours=-12)),
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("-P0,5D", timedelta(hours=-12)),
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("PT5H", timedelta(hours=5)),
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("-PT5H", timedelta(hours=-5)),
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("PT5M", timedelta(minutes=5)),
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("-PT5M", timedelta(minutes=-5)),
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("PT5S", timedelta(seconds=5)),
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("-PT5S", timedelta(seconds=-5)),
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("PT0.000005S", timedelta(microseconds=5)),
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("PT0,000005S", timedelta(microseconds=5)),
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("-PT0.000005S", timedelta(microseconds=-5)),
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("-PT0,000005S", timedelta(microseconds=-5)),
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("-P4DT1H", timedelta(days=-4, hours=-1)),
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# Invalid separators for decimal fractions.
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("P3(3D", None),
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("PT3)3H", None),
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("PT3|3M", None),
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("PT3/3S", None),
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)
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for source, expected in test_values:
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with self.subTest(source=source):
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self.assertEqual(parse_duration(source), expected)
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