#!/usr/bin/env python3
+# © Copyright 2021-2022, Scott Gasch
+
+"""dateparse_utils unittest."""
+
import datetime
+import random
+import re
import unittest
import pytz
import dateparse.dateparse_utils as du
import unittest_utils as uu
+parsable_expressions = [
+ ('today', datetime.datetime(2021, 7, 2)),
+ ('tomorrow', datetime.datetime(2021, 7, 3)),
+ ('yesterday', datetime.datetime(2021, 7, 1)),
+ ('21:30', datetime.datetime(2021, 7, 2, 21, 30, 0, 0)),
+ ('12:01am', datetime.datetime(2021, 7, 2, 0, 1, 0, 0)),
+ ('12:02p', datetime.datetime(2021, 7, 2, 12, 2, 0, 0)),
+ ('0:03', datetime.datetime(2021, 7, 2, 0, 3, 0, 0)),
+ ('last wednesday', datetime.datetime(2021, 6, 30)),
+ ('this wed', datetime.datetime(2021, 7, 7)),
+ ('next wed', datetime.datetime(2021, 7, 14)),
+ ('this coming tues', datetime.datetime(2021, 7, 6)),
+ ('this past monday', datetime.datetime(2021, 6, 28)),
+ ('4 days ago', datetime.datetime(2021, 6, 28)),
+ ('4 mondays ago', datetime.datetime(2021, 6, 7)),
+ ('4 months ago', datetime.datetime(2021, 3, 2)),
+ ('3 days back', datetime.datetime(2021, 6, 29)),
+ ('13 weeks from now', datetime.datetime(2021, 10, 1)),
+ ('1 year from now', datetime.datetime(2022, 7, 2)),
+ ('4 weeks from now', datetime.datetime(2021, 7, 30)),
+ ('3 saturdays ago', datetime.datetime(2021, 6, 12)),
+ ('4 months from today', datetime.datetime(2021, 11, 2)),
+ ('4 years from yesterday', datetime.datetime(2025, 7, 1)),
+ ('4 weeks from tomorrow', datetime.datetime(2021, 7, 31)),
+ ('april 15, 2005', datetime.datetime(2005, 4, 15)),
+ ('april 14', datetime.datetime(2021, 4, 14)),
+ ('9:30am on last wednesday', datetime.datetime(2021, 6, 30, 9, 30)),
+ ('2005/apr/15', datetime.datetime(2005, 4, 15)),
+ ('2005 apr 15', datetime.datetime(2005, 4, 15)),
+ ('the 1st wednesday in may', datetime.datetime(2021, 5, 5)),
+ ('last sun of june', datetime.datetime(2021, 6, 27)),
+ ('this Easter', datetime.datetime(2021, 4, 4)),
+ ('last christmas', datetime.datetime(2020, 12, 25)),
+ ('last Xmas', datetime.datetime(2020, 12, 25)),
+ ('xmas, 1999', datetime.datetime(1999, 12, 25)),
+ ('next mlk day', datetime.datetime(2022, 1, 17)),
+ ('Halloween, 2020', datetime.datetime(2020, 10, 31)),
+ ('5 work days after independence day', datetime.datetime(2021, 7, 12)),
+ ('50 working days from last wed', datetime.datetime(2021, 9, 10)),
+ ('25 working days before columbus day', datetime.datetime(2021, 9, 3)),
+ ('today +1 week', datetime.datetime(2021, 7, 9)),
+ ('sunday -3 weeks', datetime.datetime(2021, 6, 13)),
+ ('4 weeks before xmas, 1999', datetime.datetime(1999, 11, 27)),
+ ('3 days before new years eve, 2000', datetime.datetime(2000, 12, 28)),
+ ('july 4th', datetime.datetime(2021, 7, 4)),
+ ('the ides of march', datetime.datetime(2021, 3, 15)),
+ ('the nones of april', datetime.datetime(2021, 4, 5)),
+ ('the kalends of may', datetime.datetime(2021, 5, 1)),
+ ('9/11/2001', datetime.datetime(2001, 9, 11)),
+ ('4 sundays before veterans\' day', datetime.datetime(2021, 10, 17)),
+ ('xmas eve', datetime.datetime(2021, 12, 24)),
+ ('this friday at 5pm', datetime.datetime(2021, 7, 9, 17, 0, 0)),
+ ('presidents day', datetime.datetime(2021, 2, 15)),
+ ('memorial day, 1921', datetime.datetime(1921, 5, 30)),
+ ('today -4 wednesdays', datetime.datetime(2021, 6, 9)),
+ ('thanksgiving', datetime.datetime(2021, 11, 25)),
+ ('2 sun in jun', datetime.datetime(2021, 6, 13)),
+ ('easter -40 days', datetime.datetime(2021, 2, 23)),
+ ('easter +39 days', datetime.datetime(2021, 5, 13)),
+ ('1st tuesday in nov, 2024', datetime.datetime(2024, 11, 5)),
+ (
+ '2 days before last xmas at 3:14:15.92a',
+ datetime.datetime(2020, 12, 23, 3, 14, 15, 92),
+ ),
+ (
+ '3 weeks after xmas, 1995 at midday',
+ datetime.datetime(1996, 1, 15, 12, 0, 0),
+ ),
+ (
+ '4 months before easter, 1992 at midnight',
+ datetime.datetime(1991, 12, 19),
+ ),
+ (
+ '5 months before halloween, 1995 at noon',
+ datetime.datetime(1995, 5, 31, 12),
+ ),
+ ('4 days before last wednesday', datetime.datetime(2021, 6, 26)),
+ ('44 months after today', datetime.datetime(2025, 3, 2)),
+ ('44 years before today', datetime.datetime(1977, 7, 2)),
+ ('44 weeks ago', datetime.datetime(2020, 8, 28)),
+ ('15 minutes to 3am', datetime.datetime(2021, 7, 2, 2, 45)),
+ ('quarter past 4pm', datetime.datetime(2021, 7, 2, 16, 15)),
+ ('half past 9', datetime.datetime(2021, 7, 2, 9, 30)),
+ ('4 seconds to midnight', datetime.datetime(2021, 7, 1, 23, 59, 56)),
+ (
+ '4 seconds to midnight, tomorrow',
+ datetime.datetime(2021, 7, 2, 23, 59, 56),
+ ),
+ ('2021/apr/15T21:30:44.55', datetime.datetime(2021, 4, 15, 21, 30, 44, 55)),
+ (
+ '2021/apr/15 at 21:30:44.55',
+ datetime.datetime(2021, 4, 15, 21, 30, 44, 55),
+ ),
+ (
+ '2021/4/15 at 21:30:44.55',
+ datetime.datetime(2021, 4, 15, 21, 30, 44, 55),
+ ),
+ (
+ '2021/04/15 at 21:30:44.55',
+ datetime.datetime(2021, 4, 15, 21, 30, 44, 55),
+ ),
+ (
+ '2021/04/15 at 21:30:44.55Z',
+ datetime.datetime(2021, 4, 15, 21, 30, 44, 55, tzinfo=pytz.timezone('UTC')),
+ ),
+ (
+ '2021/04/15 at 21:30:44.55EST',
+ datetime.datetime(2021, 4, 15, 21, 30, 44, 55, tzinfo=pytz.timezone('EST')),
+ ),
+ (
+ '13 days after last memorial day at 12 seconds before 4pm',
+ datetime.datetime(2020, 6, 7, 15, 59, 48),
+ ),
+ (
+ ' 2 days before yesterday at 9am ',
+ datetime.datetime(2021, 6, 29, 9),
+ ),
+ ('-3 days before today', datetime.datetime(2021, 7, 5)),
+ (
+ '3 days before yesterday at midnight EST',
+ datetime.datetime(2021, 6, 28, tzinfo=pytz.timezone('EST')),
+ ),
+]
-class TestDateparseUtils(unittest.TestCase):
+class TestDateparseUtils(unittest.TestCase):
@uu.check_method_for_perf_regressions
def test_dateparsing(self):
- dp = du.DateParser(
- override_now_for_test_purposes = datetime.datetime(2021, 7, 2)
- )
- parsable_expressions = [
- ('today',
- datetime.datetime(2021, 7, 2)),
- ('tomorrow',
- datetime.datetime(2021, 7, 3)),
- ('yesterday',
- datetime.datetime(2021, 7, 1)),
- ('21:30',
- datetime.datetime(2021, 7, 2, 21, 30, 0, 0)),
- ('12:01am',
- datetime.datetime(2021, 7, 2, 0, 1, 0, 0)),
- ('12:02p',
- datetime.datetime(2021, 7, 2, 12, 2, 0, 0)),
- ('0:03',
- datetime.datetime(2021, 7, 2, 0, 3, 0, 0)),
- ('last wednesday',
- datetime.datetime(2021, 6, 30)),
- ('this wed',
- datetime.datetime(2021, 7, 7)),
- ('next wed',
- datetime.datetime(2021, 7, 14)),
- ('this coming tues',
- datetime.datetime(2021, 7, 6)),
- ('this past monday',
- datetime.datetime(2021, 6, 28)),
- ('4 days ago',
- datetime.datetime(2021, 6, 28)),
- ('4 mondays ago',
- datetime.datetime(2021, 6, 7)),
- ('4 months ago',
- datetime.datetime(2021, 3, 2)),
- ('3 days back',
- datetime.datetime(2021, 6, 29)),
- ('13 weeks from now',
- datetime.datetime(2021, 10, 1)),
- ('1 year from now',
- datetime.datetime(2022, 7, 2)),
- ('4 weeks from now',
- datetime.datetime(2021, 7, 30)),
- ('3 saturdays ago',
- datetime.datetime(2021, 6, 12)),
- ('4 months from today',
- datetime.datetime(2021, 11, 2)),
- ('4 years from yesterday',
- datetime.datetime(2025, 7, 1)),
- ('4 weeks from tomorrow',
- datetime.datetime(2021, 7, 31)),
- ('april 15, 2005',
- datetime.datetime(2005, 4, 15)),
- ('april 14',
- datetime.datetime(2021, 4, 14)),
- ('9:30am on last wednesday',
- datetime.datetime(2021, 6, 30, 9, 30)),
- ('2005/apr/15',
- datetime.datetime(2005, 4, 15)),
- ('2005 apr 15',
- datetime.datetime(2005, 4, 15)),
- ('the 1st wednesday in may',
- datetime.datetime(2021, 5, 5)),
- ('last sun of june',
- datetime.datetime(2021, 6, 27)),
- ('this Easter',
- datetime.datetime(2021, 4, 4)),
- ('last christmas',
- datetime.datetime(2020, 12, 25)),
- ('last Xmas',
- datetime.datetime(2020, 12, 25)),
- ('xmas, 1999',
- datetime.datetime(1999, 12, 25)),
- ('next mlk day',
- datetime.datetime(2022, 1, 17)),
- ('Halloween, 2020',
- datetime.datetime(2020, 10, 31)),
- ('5 work days after independence day',
- datetime.datetime(2021, 7, 12)),
- ('50 working days from last wed',
- datetime.datetime(2021, 9, 10)),
- ('25 working days before columbus day',
- datetime.datetime(2021, 9, 3)),
- ('today +1 week',
- datetime.datetime(2021, 7, 9)),
- ('sunday -3 weeks',
- datetime.datetime(2021, 6, 13)),
- ('4 weeks before xmas, 1999',
- datetime.datetime(1999, 11, 27)),
- ('3 days before new years eve, 2000',
- datetime.datetime(2000, 12, 28)),
- ('july 4th',
- datetime.datetime(2021, 7, 4)),
- ('the ides of march',
- datetime.datetime(2021, 3, 15)),
- ('the nones of april',
- datetime.datetime(2021, 4, 5)),
- ('the kalends of may',
- datetime.datetime(2021, 5, 1)),
- ('9/11/2001',
- datetime.datetime(2001, 9, 11)),
- ('4 sundays before veterans\' day',
- datetime.datetime(2021, 10, 17)),
- ('xmas eve',
- datetime.datetime(2021, 12, 24)),
- ('this friday at 5pm',
- datetime.datetime(2021, 7, 9, 17, 0, 0)),
- ('presidents day',
- datetime.datetime(2021, 2, 15)),
- ('memorial day, 1921',
- datetime.datetime(1921, 5, 30)),
- ('today -4 wednesdays',
- datetime.datetime(2021, 6, 9)),
- ('thanksgiving',
- datetime.datetime(2021, 11, 25)),
- ('2 sun in jun',
- datetime.datetime(2021, 6, 13)),
- ('easter -40 days',
- datetime.datetime(2021, 2, 23)),
- ('easter +39 days',
- datetime.datetime(2021, 5, 13)),
- ('1st tuesday in nov, 2024',
- datetime.datetime(2024, 11, 5)),
- ('2 days before last xmas at 3:14:15.92a',
- datetime.datetime(2020, 12, 23, 3, 14, 15, 92)),
- ('3 weeks after xmas, 1995 at midday',
- datetime.datetime(1996, 1, 15, 12, 0, 0)),
- ('4 months before easter, 1992 at midnight',
- datetime.datetime(1991, 12, 19)),
- ('5 months before halloween, 1995 at noon',
- datetime.datetime(1995, 5, 31, 12)),
- ('4 days before last wednesday',
- datetime.datetime(2021, 6, 26)),
- ('44 months after today',
- datetime.datetime(2025, 3, 2)),
- ('44 years before today',
- datetime.datetime(1977, 7, 2)),
- ('44 weeks ago',
- datetime.datetime(2020, 8, 28)),
- ('15 minutes to 3am',
- datetime.datetime(2021, 7, 2, 2, 45)),
- ('quarter past 4pm',
- datetime.datetime(2021, 7, 2, 16, 15)),
- ('half past 9',
- datetime.datetime(2021, 7, 2, 9, 30)),
- ('4 seconds to midnight',
- datetime.datetime(2021, 7, 1, 23, 59, 56)),
- ('4 seconds to midnight, tomorrow',
- datetime.datetime(2021, 7, 2, 23, 59, 56)),
- ('2021/apr/15T21:30:44.55',
- datetime.datetime(2021, 4, 15, 21, 30, 44, 55)),
- ('2021/apr/15 at 21:30:44.55',
- datetime.datetime(2021, 4, 15, 21, 30, 44, 55)),
- ('2021/4/15 at 21:30:44.55',
- datetime.datetime(2021, 4, 15, 21, 30, 44, 55)),
- ('2021/04/15 at 21:30:44.55',
- datetime.datetime(2021, 4, 15, 21, 30, 44, 55)),
- ('2021/04/15 at 21:30:44.55Z',
- datetime.datetime(2021, 4, 15, 21, 30, 44, 55,
- tzinfo=pytz.timezone('UTC'))),
- ('2021/04/15 at 21:30:44.55EST',
- datetime.datetime(2021, 4, 15, 21, 30, 44, 55,
- tzinfo=pytz.timezone('EST'))),
- ('13 days after last memorial day at 12 seconds before 4pm',
- datetime.datetime(2020, 6, 7, 15, 59, 48)),
- (' 2 days before yesterday at 9am ',
- datetime.datetime(2021, 6, 29, 9)),
- ('-3 days before today',
- datetime.datetime(2021, 7, 5)),
- ('3 days before yesterday at midnight EST',
- datetime.datetime(2021, 6, 28, tzinfo=pytz.timezone('EST'))),
- ]
+ dp = du.DateParser(override_now_for_test_purposes=datetime.datetime(2021, 7, 2))
+
+ for (txt, expected_dt) in parsable_expressions:
+ try:
+ actual_dt = dp.parse(txt)
+ self.assertIsNotNone(actual_dt)
+ self.assertEqual(
+ actual_dt,
+ expected_dt,
+ f'"{txt}", got "{actual_dt}" while expecting "{expected_dt}"',
+ )
+ except du.ParseException:
+ self.fail(f'Expected "{txt}" to parse successfully.')
+
+ def test_whitespace_handling(self):
+ dp = du.DateParser(override_now_for_test_purposes=datetime.datetime(2021, 7, 2))
for (txt, expected_dt) in parsable_expressions:
try:
- print(f'> {txt}')
+ txt = f' {txt} '
+ i = random.randint(2, 5)
+ replacement = ' ' * i
+ txt = re.sub(r'\s', replacement, txt)
actual_dt = dp.parse(txt)
self.assertIsNotNone(actual_dt)
self.assertEqual(
actual_dt,
expected_dt,
- f'"{txt}", got "{actual_dt}" while expecting "{expected_dt}"'
+ f'"{txt}", got "{actual_dt}" while expecting "{expected_dt}"',
)
except du.ParseException:
self.fail(f'Expected "{txt}" to parse successfully.')
projects / python_utils.git / blobdiff