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django/tests/utils_tests/test_duration.py

98 lines
3.8 KiB
Python

import datetime
import unittest
from django.utils.dateparse import parse_duration
from django.utils.duration import (
duration_iso_string, duration_microseconds, duration_string,
)
class TestDurationString(unittest.TestCase):
def test_simple(self):
duration = datetime.timedelta(hours=1, minutes=3, seconds=5)
self.assertEqual(duration_string(duration), '01:03:05')
def test_days(self):
duration = datetime.timedelta(days=1, hours=1, minutes=3, seconds=5)
self.assertEqual(duration_string(duration), '1 01:03:05')
def test_microseconds(self):
duration = datetime.timedelta(hours=1, minutes=3, seconds=5, microseconds=12345)
self.assertEqual(duration_string(duration), '01:03:05.012345')
def test_negative(self):
duration = datetime.timedelta(days=-1, hours=1, minutes=3, seconds=5)
self.assertEqual(duration_string(duration), '-1 01:03:05')
class TestParseDurationRoundtrip(unittest.TestCase):
def test_simple(self):
duration = datetime.timedelta(hours=1, minutes=3, seconds=5)
self.assertEqual(parse_duration(duration_string(duration)), duration)
def test_days(self):
duration = datetime.timedelta(days=1, hours=1, minutes=3, seconds=5)
self.assertEqual(parse_duration(duration_string(duration)), duration)
def test_microseconds(self):
duration = datetime.timedelta(hours=1, minutes=3, seconds=5, microseconds=12345)
self.assertEqual(parse_duration(duration_string(duration)), duration)
def test_negative(self):
duration = datetime.timedelta(days=-1, hours=1, minutes=3, seconds=5)
self.assertEqual(parse_duration(duration_string(duration)), duration)
class TestISODurationString(unittest.TestCase):
def test_simple(self):
duration = datetime.timedelta(hours=1, minutes=3, seconds=5)
self.assertEqual(duration_iso_string(duration), 'P0DT01H03M05S')
def test_days(self):
duration = datetime.timedelta(days=1, hours=1, minutes=3, seconds=5)
self.assertEqual(duration_iso_string(duration), 'P1DT01H03M05S')
def test_microseconds(self):
duration = datetime.timedelta(hours=1, minutes=3, seconds=5, microseconds=12345)
self.assertEqual(duration_iso_string(duration), 'P0DT01H03M05.012345S')
def test_negative(self):
duration = -1 * datetime.timedelta(days=1, hours=1, minutes=3, seconds=5)
self.assertEqual(duration_iso_string(duration), '-P1DT01H03M05S')
class TestParseISODurationRoundtrip(unittest.TestCase):
def test_simple(self):
duration = datetime.timedelta(hours=1, minutes=3, seconds=5)
self.assertEqual(parse_duration(duration_iso_string(duration)), duration)
def test_days(self):
duration = datetime.timedelta(days=1, hours=1, minutes=3, seconds=5)
self.assertEqual(parse_duration(duration_iso_string(duration)), duration)
def test_microseconds(self):
duration = datetime.timedelta(hours=1, minutes=3, seconds=5, microseconds=12345)
self.assertEqual(parse_duration(duration_iso_string(duration)), duration)
def test_negative(self):
duration = datetime.timedelta(days=-1, hours=1, minutes=3, seconds=5)
self.assertEqual(parse_duration(duration_iso_string(duration)).total_seconds(), duration.total_seconds())
class TestDurationMicroseconds(unittest.TestCase):
def test(self):
deltas = [
datetime.timedelta.max,
datetime.timedelta.min,
datetime.timedelta.resolution,
-datetime.timedelta.resolution,
datetime.timedelta(microseconds=8999999999999999),
]
for delta in deltas:
with self.subTest(delta=delta):
self.assertEqual(datetime.timedelta(microseconds=duration_microseconds(delta)), delta)