139 lines
6.3 KiB
Python
139 lines
6.3 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, parse_datetime, parse_duration, parse_time,
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)
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from django.utils.timezone import get_fixed_timezone
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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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# Invalid inputs
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self.assertIsNone(parse_date('20120423'))
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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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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('4:8:16'), time(4, 8, 16))
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# Invalid inputs
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self.assertIsNone(parse_time('091500'))
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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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('2012-04-23T09:15:00', 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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('2012-04-23T09:15:00Z', datetime(2012, 4, 23, 9, 15, 0, 0, get_fixed_timezone(0))),
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('2012-4-9 4:8:16-0320', datetime(2012, 4, 9, 4, 8, 16, 0, get_fixed_timezone(-200))),
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('2012-04-23T10:20:30.400+02:30', datetime(2012, 4, 23, 10, 20, 30, 400000, get_fixed_timezone(150))),
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('2012-04-23T10:20:30.400+02', datetime(2012, 4, 23, 10, 20, 30, 400000, get_fixed_timezone(120))),
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('2012-04-23T10:20:30.400-02', datetime(2012, 4, 23, 10, 20, 30, 400000, get_fixed_timezone(-120))),
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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(days=4, minutes=15, seconds=30, milliseconds=100), # 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 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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('4 days 0:15:30.1', timedelta(days=4, minutes=15, seconds=30, milliseconds=100)),
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('4 days 0:15:30.0001', timedelta(days=4, minutes=15, seconds=30, microseconds=100)),
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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(parse_duration('10:15:30'), timedelta(hours=10, minutes=15, seconds=30))
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self.assertEqual(parse_duration('1:15:30'), timedelta(hours=1, minutes=15, seconds=30))
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self.assertEqual(parse_duration('100:200:300'), timedelta(hours=100, minutes=200, seconds=300))
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def test_days(self):
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self.assertEqual(parse_duration('4 15:30'), timedelta(days=4, minutes=15, seconds=30))
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self.assertEqual(parse_duration('4 10:15:30'), timedelta(days=4, hours=10, minutes=15, seconds=30))
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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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)
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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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)
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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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('P0.5D', timedelta(hours=12)),
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('PT5H', timedelta(hours=5)),
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('PT5M', timedelta(minutes=5)),
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('PT5S', timedelta(seconds=5)),
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('PT0.000005S', timedelta(microseconds=5)),
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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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