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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2025 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
import os
import sys
import unittest
import datetime
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from gallery_dl import dt # noqa E402
class TestDatetime(unittest.TestCase):
def test_convert(self, f=dt.convert):
def _assert(value, expected):
result = f(value)
self.assertIsInstance(result, datetime.datetime)
self.assertEqual(result, expected, msg=repr(value))
d = datetime.datetime(2010, 1, 1)
self.assertIs(f(d), d)
_assert(d , d)
_assert(1262304000 , d)
_assert(1262304000.0 , d)
_assert(1262304000.123, d)
_assert("1262304000" , d)
_assert("2010-01-01" , d)
_assert("2010-01-01 00:00:00" , d)
_assert("2010-01-01T00:00:00" , d)
_assert("2010-01-01T00:00:00.123456" , d)
_assert("2009-12-31T19:00:00-05:00" , d)
_assert("2009-12-31T19:00:00.123456-05:00", d)
_assert("2010-01-01T00:00:00Z" , d)
_assert("2010-01-01T00:00:00.123456Z" , d)
_assert("2009-12-31T19:00:00-0500" , d)
_assert("2009-12-31T19:00:00.123456-0500" , d)
_assert(0 , dt.NONE)
_assert("" , dt.NONE)
_assert("foo", dt.NONE)
_assert(None , dt.NONE)
_assert(() , dt.NONE)
_assert([] , dt.NONE)
_assert({} , dt.NONE)
_assert((1, 2, 3), dt.NONE)
@unittest.skipIf(sys.hexversion < 0x30b0000,
"extended fromisoformat timezones")
def test_convert_tz(self, f=dt.convert):
def _assert(value, expected):
result = f(value)
self.assertIsInstance(result, datetime.datetime)
self.assertEqual(result, expected, msg=repr(value))
d = datetime.datetime(2010, 1, 1)
_assert("2009-12-31T19:00:00-05" , d)
_assert("2009-12-31T19:00:00.123456-05" , d)
def test_to_timestamp(self, f=dt.to_ts):
self.assertEqual(f(dt.EPOCH), 0.0)
self.assertEqual(f(datetime.datetime(2010, 1, 1)), 1262304000.0)
self.assertEqual(f(datetime.datetime(2010, 1, 1, 0, 0, 0, 128000)),
1262304000.128000)
with self.assertRaises(TypeError):
f(None)
def test_to_timestamp_string(self, f=dt.to_ts_string):
self.assertEqual(f(dt.EPOCH), "0")
self.assertEqual(f(datetime.datetime(2010, 1, 1)), "1262304000")
self.assertEqual(f(None), "")
def test_from_timestamp(self, f=dt.from_ts):
self.assertEqual(f(0.0), dt.EPOCH)
self.assertEqual(f(1262304000.0), datetime.datetime(2010, 1, 1))
self.assertEqual(f(1262304000.128000).replace(microsecond=0),
datetime.datetime(2010, 1, 1, 0, 0, 0))
def test_now(self, f=dt.now):
self.assertIsInstance(f(), datetime.datetime)
def test_parse_timestamp(self, f=dt.parse_ts):
null = dt.from_ts(0)
value = dt.from_ts(1555816235)
self.assertEqual(f(0) , null)
self.assertEqual(f("0") , null)
self.assertEqual(f(1555816235) , value)
self.assertEqual(f("1555816235"), value)
for value in ((), [], {}, None, ""):
self.assertEqual(f(value), dt.NONE)
self.assertEqual(f(value, "foo"), "foo")
def test_parse(self, f=dt.parse):
self.assertEqual(
f("1970.01.01", "%Y.%m.%d"),
dt.EPOCH,
)
self.assertEqual(
f("May 7, 2019 9:33 am", "%B %d, %Y %I:%M %p"),
datetime.datetime(2019, 5, 7, 9, 33, 0),
)
self.assertEqual(
f("2019-05-07T21:25:02.753+0900", "%Y-%m-%dT%H:%M:%S.%f%z"),
datetime.datetime(2019, 5, 7, 12, 25, 2),
)
for value in ((), [], {}, None, 1, 2.3):
self.assertEqual(f(value, "%Y"), dt.NONE)
def test_parse_iso(self, f=dt.parse_iso):
self.assertEqual(
f("1970-01-01T00:00:00+00:00"),
dt.from_ts(0),
)
self.assertEqual(
f("2019-05-07T21:25:02+09:00"),
datetime.datetime(2019, 5, 7, 12, 25, 2),
)
self.assertEqual(
f("2019-05-07T12:25:02Z"),
datetime.datetime(2019, 5, 7, 12, 25, 2),
)
self.assertEqual(
f("2019-05-07 21:25:02"),
datetime.datetime(2019, 5, 7, 21, 25, 2),
)
self.assertEqual(
f("1970-01-01"),
dt.EPOCH,
)
self.assertEqual(
f("1970.01.01"),
dt.NONE,
)
self.assertEqual(
f("1970-01-01T00:00:00+0000"),
dt.EPOCH,
)
self.assertEqual(
f("2019-05-07T21:25:02.753+0900"),
datetime.datetime(2019, 5, 7, 12, 25, 2),
)
for value in ((), [], {}, None, 1, 2.3):
self.assertEqual(f(value), dt.NONE)
def test_none(self):
self.assertFalse(dt.NONE)
self.assertIsInstance(dt.NONE, dt.datetime)
self.assertEqual(str(dt.NONE), "[Invalid DateTime]")
if __name__ == "__main__":
unittest.main()
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