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django/tests/utils_tests/test_duration.py
2022-02-07 20:37:05 +01:00

101 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
)