File: tests.py

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# Unit tests for typecast functions in django.db.backends.util

import datetime
import unittest

from django.db.backends import utils as typecasts

TEST_CASES = {
    "typecast_date": (
        ("", None),
        (None, None),
        ("2005-08-11", datetime.date(2005, 8, 11)),
        ("1990-01-01", datetime.date(1990, 1, 1)),
    ),
    "typecast_time": (
        ("", None),
        (None, None),
        ("0:00:00", datetime.time(0, 0)),
        ("0:30:00", datetime.time(0, 30)),
        ("8:50:00", datetime.time(8, 50)),
        ("08:50:00", datetime.time(8, 50)),
        ("12:00:00", datetime.time(12, 00)),
        ("12:30:00", datetime.time(12, 30)),
        ("13:00:00", datetime.time(13, 00)),
        ("23:59:00", datetime.time(23, 59)),
        ("00:00:12", datetime.time(0, 0, 12)),
        ("00:00:12.5", datetime.time(0, 0, 12, 500000)),
        ("7:22:13.312", datetime.time(7, 22, 13, 312000)),
        ("12:45:30.126631", datetime.time(12, 45, 30, 126631)),
        ("12:45:30.126630", datetime.time(12, 45, 30, 126630)),
        ("12:45:30.123456789", datetime.time(12, 45, 30, 123456)),
    ),
    "typecast_timestamp": (
        ("", None),
        (None, None),
        ("2005-08-11 0:00:00", datetime.datetime(2005, 8, 11)),
        ("2005-08-11 0:30:00", datetime.datetime(2005, 8, 11, 0, 30)),
        ("2005-08-11 8:50:30", datetime.datetime(2005, 8, 11, 8, 50, 30)),
        ("2005-08-11 8:50:30.123", datetime.datetime(2005, 8, 11, 8, 50, 30, 123000)),
        ("2005-08-11 8:50:30.9", datetime.datetime(2005, 8, 11, 8, 50, 30, 900000)),
        (
            "2005-08-11 8:50:30.312-05",
            datetime.datetime(2005, 8, 11, 8, 50, 30, 312000),
        ),
        (
            "2005-08-11 8:50:30.312+02",
            datetime.datetime(2005, 8, 11, 8, 50, 30, 312000),
        ),
        # ticket 14453
        (
            "2010-10-12 15:29:22.063202",
            datetime.datetime(2010, 10, 12, 15, 29, 22, 63202),
        ),
        (
            "2010-10-12 15:29:22.063202-03",
            datetime.datetime(2010, 10, 12, 15, 29, 22, 63202),
        ),
        (
            "2010-10-12 15:29:22.063202+04",
            datetime.datetime(2010, 10, 12, 15, 29, 22, 63202),
        ),
        (
            "2010-10-12 15:29:22.0632021",
            datetime.datetime(2010, 10, 12, 15, 29, 22, 63202),
        ),
        (
            "2010-10-12 15:29:22.0632029",
            datetime.datetime(2010, 10, 12, 15, 29, 22, 63202),
        ),
    ),
}


class DBTypeCasts(unittest.TestCase):
    def test_typeCasts(self):
        for k, v in TEST_CASES.items():
            for inpt, expected in v:
                with self.subTest(k=k, inpt=inpt):
                    got = getattr(typecasts, k)(inpt)
                    self.assertEqual(
                        got,
                        expected,
                        "In %s: %r doesn't match %r. Got %r instead."
                        % (k, inpt, expected, got),
                    )