Refs #33476 -- Reformatted code with Black.

1 files changed, 568 insertions, 515 deletions

diff --git a/tests/validators/tests.py b/tests/validators/tests.py
index 585edd7117..79369b172e 100644
--- a/tests/validators/tests.py
+++ b/tests/validators/tests.py
@@ -7,13 +7,27 @@ from unittest import TestCase, mock
 from django.core.exceptions import ValidationError
 from django.core.files.base import ContentFile
 from django.core.validators import (
-    BaseValidator, DecimalValidator, EmailValidator, FileExtensionValidator,
-    MaxLengthValidator, MaxValueValidator, MinLengthValidator,
-    MinValueValidator, ProhibitNullCharactersValidator, RegexValidator,
-    URLValidator, int_list_validator, validate_comma_separated_integer_list,
-    validate_email, validate_image_file_extension, validate_integer,
-    validate_ipv4_address, validate_ipv6_address, validate_ipv46_address,
-    validate_slug, validate_unicode_slug,
+    BaseValidator,
+    DecimalValidator,
+    EmailValidator,
+    FileExtensionValidator,
+    MaxLengthValidator,
+    MaxValueValidator,
+    MinLengthValidator,
+    MinValueValidator,
+    ProhibitNullCharactersValidator,
+    RegexValidator,
+    URLValidator,
+    int_list_validator,
+    validate_comma_separated_integer_list,
+    validate_email,
+    validate_image_file_extension,
+    validate_integer,
+    validate_ipv4_address,
+    validate_ipv6_address,
+    validate_ipv46_address,
+    validate_slug,
+    validate_unicode_slug,
 )
 from django.test import SimpleTestCase
 
@@ -25,511 +39,542 @@ else:
     PILLOW_IS_INSTALLED = True
 
 NOW = datetime.now()
-EXTENDED_SCHEMES = ['http', 'https', 'ftp', 'ftps', 'git', 'file', 'git+ssh']
+EXTENDED_SCHEMES = ["http", "https", "ftp", "ftps", "git", "file", "git+ssh"]
 
 VALID_URLS = [
-    'http://www.djangoproject.com/',
-    'HTTP://WWW.DJANGOPROJECT.COM/',
-    'http://localhost/',
-    'http://example.com/',
-    'http://example.com:0',
-    'http://example.com:0/',
-    'http://example.com:65535',
-    'http://example.com:65535/',
-    'http://example.com./',
-    'http://www.example.com/',
-    'http://www.example.com:8000/test',
-    'http://valid-with-hyphens.com/',
-    'http://subdomain.example.com/',
-    'http://a.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
-    'http://200.8.9.10/',
-    'http://200.8.9.10:8000/test',
-    'http://su--b.valid-----hyphens.com/',
-    'http://example.com?something=value',
-    'http://example.com/index.php?something=value&another=value2',
-    'https://example.com/',
-    'ftp://example.com/',
-    'ftps://example.com/',
-    'http://foo.com/blah_blah',
-    'http://foo.com/blah_blah/',
-    'http://foo.com/blah_blah_(wikipedia)',
-    'http://foo.com/blah_blah_(wikipedia)_(again)',
-    'http://www.example.com/wpstyle/?p=364',
-    'https://www.example.com/foo/?bar=baz&inga=42&quux',
-    'http://✪df.ws/123',
-    'http://userid@example.com',
-    'http://userid@example.com/',
-    'http://userid@example.com:8080',
-    'http://userid@example.com:8080/',
-    'http://userid@example.com:65535',
-    'http://userid@example.com:65535/',
-    'http://userid:@example.com',
-    'http://userid:@example.com/',
-    'http://userid:@example.com:8080',
-    'http://userid:@example.com:8080/',
-    'http://userid:password@example.com',
-    'http://userid:password@example.com/',
-    'http://userid:password@example.com:8',
-    'http://userid:password@example.com:8/',
-    'http://userid:password@example.com:8080',
-    'http://userid:password@example.com:8080/',
-    'http://userid:password@example.com:65535',
-    'http://userid:password@example.com:65535/',
-    'https://userid:paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
-    'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
-    'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
-    'aaaaaaaaaaaaaaaaaaaaaaaaassword@example.com',
-    'https://userid:paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
-    'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
-    'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
-    'aaaaaaaaaaaaaaaaaaaassword@example.com:8080',
-    'https://useridddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'
-    'ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'
-    'ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'
-    'dddddddddddddddddddddd:password@example.com',
-    'https://useridddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'
-    'ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'
-    'ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd'
-    'ddddddddddddddddd:password@example.com:8080',
-    'http://142.42.1.1/',
-    'http://142.42.1.1:8080/',
-    'http://➡.ws/䨹',
-    'http://⌘.ws',
-    'http://⌘.ws/',
-    'http://foo.com/blah_(wikipedia)#cite-1',
-    'http://foo.com/blah_(wikipedia)_blah#cite-1',
-    'http://foo.com/unicode_(✪)_in_parens',
-    'http://foo.com/(something)?after=parens',
-    'http://☺.damowmow.com/',
-    'http://djangoproject.com/events/#&product=browser',
-    'http://j.mp',
-    'ftp://foo.bar/baz',
-    'http://foo.bar/?q=Test%20URL-encoded%20stuff',
-    'http://مثال.إختبار',
-    'http://例子.测试',
-    'http://उदाहरण.परीक्षा',
+    "http://www.djangoproject.com/",
+    "HTTP://WWW.DJANGOPROJECT.COM/",
+    "http://localhost/",
+    "http://example.com/",
+    "http://example.com:0",
+    "http://example.com:0/",
+    "http://example.com:65535",
+    "http://example.com:65535/",
+    "http://example.com./",
+    "http://www.example.com/",
+    "http://www.example.com:8000/test",
+    "http://valid-with-hyphens.com/",
+    "http://subdomain.example.com/",
+    "http://a.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+    "http://200.8.9.10/",
+    "http://200.8.9.10:8000/test",
+    "http://su--b.valid-----hyphens.com/",
+    "http://example.com?something=value",
+    "http://example.com/index.php?something=value&another=value2",
+    "https://example.com/",
+    "ftp://example.com/",
+    "ftps://example.com/",
+    "http://foo.com/blah_blah",
+    "http://foo.com/blah_blah/",
+    "http://foo.com/blah_blah_(wikipedia)",
+    "http://foo.com/blah_blah_(wikipedia)_(again)",
+    "http://www.example.com/wpstyle/?p=364",
+    "https://www.example.com/foo/?bar=baz&inga=42&quux",
+    "http://✪df.ws/123",
+    "http://userid@example.com",
+    "http://userid@example.com/",
+    "http://userid@example.com:8080",
+    "http://userid@example.com:8080/",
+    "http://userid@example.com:65535",
+    "http://userid@example.com:65535/",
+    "http://userid:@example.com",
+    "http://userid:@example.com/",
+    "http://userid:@example.com:8080",
+    "http://userid:@example.com:8080/",
+    "http://userid:password@example.com",
+    "http://userid:password@example.com/",
+    "http://userid:password@example.com:8",
+    "http://userid:password@example.com:8/",
+    "http://userid:password@example.com:8080",
+    "http://userid:password@example.com:8080/",
+    "http://userid:password@example.com:65535",
+    "http://userid:password@example.com:65535/",
+    "https://userid:paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+    "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+    "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+    "aaaaaaaaaaaaaaaaaaaaaaaaassword@example.com",
+    "https://userid:paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+    "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+    "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+    "aaaaaaaaaaaaaaaaaaaassword@example.com:8080",
+    "https://useridddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
+    "ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
+    "ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
+    "dddddddddddddddddddddd:password@example.com",
+    "https://useridddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
+    "ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
+    "ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
+    "ddddddddddddddddd:password@example.com:8080",
+    "http://142.42.1.1/",
+    "http://142.42.1.1:8080/",
+    "http://➡.ws/䨹",
+    "http://⌘.ws",
+    "http://⌘.ws/",
+    "http://foo.com/blah_(wikipedia)#cite-1",
+    "http://foo.com/blah_(wikipedia)_blah#cite-1",
+    "http://foo.com/unicode_(✪)_in_parens",
+    "http://foo.com/(something)?after=parens",
+    "http://☺.damowmow.com/",
+    "http://djangoproject.com/events/#&product=browser",
+    "http://j.mp",
+    "ftp://foo.bar/baz",
+    "http://foo.bar/?q=Test%20URL-encoded%20stuff",
+    "http://مثال.إختبار",
+    "http://例子.测试",
+    "http://उदाहरण.परीक्षा",
     "http://-.~_!$&'()*+,;=%40:80%2f@example.com",
-    'http://xn--7sbb4ac0ad0be6cf.xn--p1ai',
-    'http://1337.net',
-    'http://a.b-c.de',
-    'http://223.255.255.254',
-    'ftps://foo.bar/',
-    'http://10.1.1.254',
-    'http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:80/index.html',
-    'http://[::192.9.5.5]/ipng',
-    'http://[::ffff:192.9.5.5]/ipng',
-    'http://[::1]:8080/',
-    'http://0.0.0.0/',
-    'http://255.255.255.255',
-    'http://224.0.0.0',
-    'http://224.1.1.1',
-    'http://111.112.113.114/',
-    'http://88.88.88.88/',
-    'http://11.12.13.14/',
-    'http://10.20.30.40/',
-    'http://1.2.3.4/',
-    'http://127.0.01.09.home.lan',
-    'http://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.ex'
-    'ample.com',
-    'http://example.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
-    'aaaaa.com',
-    'http://example.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
-    'http://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaa'
-    'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaa'
-    'aaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaa'
-    'aaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaa',
-    'http://dashintld.c-m',
-    'http://multipledashintld.a-b-c',
-    'http://evenmoredashintld.a---c',
-    'http://dashinpunytld.xn---c',
+    "http://xn--7sbb4ac0ad0be6cf.xn--p1ai",
+    "http://1337.net",
+    "http://a.b-c.de",
+    "http://223.255.255.254",
+    "ftps://foo.bar/",
+    "http://10.1.1.254",
+    "http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:80/index.html",
+    "http://[::192.9.5.5]/ipng",
+    "http://[::ffff:192.9.5.5]/ipng",
+    "http://[::1]:8080/",
+    "http://0.0.0.0/",
+    "http://255.255.255.255",
+    "http://224.0.0.0",
+    "http://224.1.1.1",
+    "http://111.112.113.114/",
+    "http://88.88.88.88/",
+    "http://11.12.13.14/",
+    "http://10.20.30.40/",
+    "http://1.2.3.4/",
+    "http://127.0.01.09.home.lan",
+    "http://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.ex"
+    "ample.com",
+    "http://example.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+    "aaaaa.com",
+    "http://example.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+    "http://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaa"
+    "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaa"
+    "aaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaa"
+    "aaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaa",
+    "http://dashintld.c-m",
+    "http://multipledashintld.a-b-c",
+    "http://evenmoredashintld.a---c",
+    "http://dashinpunytld.xn---c",
 ]
 
 INVALID_URLS = [
     None,
     56,
-    'no_scheme',
-    'foo',
-    'http://',
-    'http://example',
-    'http://example.',
-    'http://example.com:-1',
-    'http://example.com:-1/',
-    'http://example.com:000000080',
-    'http://example.com:000000080/',
-    'http://.com',
-    'http://invalid-.com',
-    'http://-invalid.com',
-    'http://invalid.com-',
-    'http://invalid.-com',
-    'http://inv-.alid-.com',
-    'http://inv-.-alid.com',
-    'file://localhost/path',
-    'git://example.com/',
-    'http://.',
-    'http://..',
-    'http://../',
-    'http://?',
-    'http://??',
-    'http://??/',
-    'http://#',
-    'http://##',
-    'http://##/',
-    'http://foo.bar?q=Spaces should be encoded',
-    '//',
-    '//a',
-    '///a',
-    '///',
-    'http:///a',
-    'foo.com',
-    'rdar://1234',
-    'h://test',
-    'http:// shouldfail.com',
-    ':// should fail',
-    'http://foo.bar/foo(bar)baz quux',
-    'http://-error-.invalid/',
-    'http://dashinpunytld.trailingdot.xn--.',
-    'http://dashinpunytld.xn---',
-    'http://-a.b.co',
-    'http://a.b-.co',
-    'http://a.-b.co',
-    'http://a.b-.c.co',
-    'http:/',
-    'http://',
-    'http://',
-    'http://1.1.1.1.1',
-    'http://123.123.123',
-    'http://3628126748',
-    'http://123',
-    'http://000.000.000.000',
-    'http://016.016.016.016',
-    'http://192.168.000.001',
-    'http://01.2.3.4',
-    'http://01.2.3.4',
-    'http://1.02.3.4',
-    'http://1.2.03.4',
-    'http://1.2.3.04',
-    'http://.www.foo.bar/',
-    'http://.www.foo.bar./',
-    'http://[::1:2::3]:8/',
-    'http://[::1:2::3]:8080/',
-    'http://[]',
-    'http://[]:8080',
-    'http://example..com/',
-    'http://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.e'
-    'xample.com',
-    'http://example.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
-    'aaaaaa.com',
-    'http://example.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
-    'aaaaaa',
-    'http://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaa.'
-    'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaa'
-    'aaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaa'
-    'aaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaa',
-    'https://test.[com',
-    'http://@example.com',
-    'http://:@example.com',
-    'http://:bar@example.com',
-    'http://foo@bar@example.com',
-    'http://foo/bar@example.com',
-    'http://foo:bar:baz@example.com',
-    'http://foo:bar@baz@example.com',
-    'http://foo:bar/baz@example.com',
-    'http://invalid-.com/?m=foo@example.com',
+    "no_scheme",
+    "foo",
+    "http://",
+    "http://example",
+    "http://example.",
+    "http://example.com:-1",
+    "http://example.com:-1/",
+    "http://example.com:000000080",
+    "http://example.com:000000080/",
+    "http://.com",
+    "http://invalid-.com",
+    "http://-invalid.com",
+    "http://invalid.com-",
+    "http://invalid.-com",
+    "http://inv-.alid-.com",
+    "http://inv-.-alid.com",
+    "file://localhost/path",
+    "git://example.com/",
+    "http://.",
+    "http://..",
+    "http://../",
+    "http://?",
+    "http://??",
+    "http://??/",
+    "http://#",
+    "http://##",
+    "http://##/",
+    "http://foo.bar?q=Spaces should be encoded",
+    "//",
+    "//a",
+    "///a",
+    "///",
+    "http:///a",
+    "foo.com",
+    "rdar://1234",
+    "h://test",
+    "http:// shouldfail.com",
+    ":// should fail",
+    "http://foo.bar/foo(bar)baz quux",
+    "http://-error-.invalid/",
+    "http://dashinpunytld.trailingdot.xn--.",
+    "http://dashinpunytld.xn---",
+    "http://-a.b.co",
+    "http://a.b-.co",
+    "http://a.-b.co",
+    "http://a.b-.c.co",
+    "http:/",
+    "http://",
+    "http://",
+    "http://1.1.1.1.1",
+    "http://123.123.123",
+    "http://3628126748",
+    "http://123",
+    "http://000.000.000.000",
+    "http://016.016.016.016",
+    "http://192.168.000.001",
+    "http://01.2.3.4",
+    "http://01.2.3.4",
+    "http://1.02.3.4",
+    "http://1.2.03.4",
+    "http://1.2.3.04",
+    "http://.www.foo.bar/",
+    "http://.www.foo.bar./",
+    "http://[::1:2::3]:8/",
+    "http://[::1:2::3]:8080/",
+    "http://[]",
+    "http://[]:8080",
+    "http://example..com/",
+    "http://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.e"
+    "xample.com",
+    "http://example.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+    "aaaaaa.com",
+    "http://example.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+    "aaaaaa",
+    "http://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaa."
+    "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaa"
+    "aaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaa"
+    "aaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaa",
+    "https://test.[com",
+    "http://@example.com",
+    "http://:@example.com",
+    "http://:bar@example.com",
+    "http://foo@bar@example.com",
+    "http://foo/bar@example.com",
+    "http://foo:bar:baz@example.com",
+    "http://foo:bar@baz@example.com",
+    "http://foo:bar/baz@example.com",
+    "http://invalid-.com/?m=foo@example.com",
     # Newlines and tabs are not accepted.
-    'http://www.djangoproject.com/\n',
-    'http://[::ffff:192.9.5.5]\n',
-    'http://www.djangoproject.com/\r',
-    'http://[::ffff:192.9.5.5]\r',
-    'http://www.django\rproject.com/',
-    'http://[::\rffff:192.9.5.5]',
-    'http://\twww.djangoproject.com/',
-    'http://\t[::ffff:192.9.5.5]',
+    "http://www.djangoproject.com/\n",
+    "http://[::ffff:192.9.5.5]\n",
+    "http://www.djangoproject.com/\r",
+    "http://[::ffff:192.9.5.5]\r",
+    "http://www.django\rproject.com/",
+    "http://[::\rffff:192.9.5.5]",
+    "http://\twww.djangoproject.com/",
+    "http://\t[::ffff:192.9.5.5]",
     # Trailing junk does not take forever to reject.
-    'http://www.asdasdasdasdsadfm.com.br ',
-    'http://www.asdasdasdasdsadfm.com.br z',
+    "http://www.asdasdasdasdsadfm.com.br ",
+    "http://www.asdasdasdasdsadfm.com.br z",
 ]
 
 TEST_DATA = [
     # (validator, value, expected),
-    (validate_integer, '42', None),
-    (validate_integer, '-42', None),
+    (validate_integer, "42", None),
+    (validate_integer, "-42", None),
     (validate_integer, -42, None),
-
     (validate_integer, -42.5, ValidationError),
     (validate_integer, None, ValidationError),
-    (validate_integer, 'a', ValidationError),
-    (validate_integer, '\n42', ValidationError),
-    (validate_integer, '42\n', ValidationError),
-
-    (validate_email, 'email@here.com', None),
-    (validate_email, 'weirder-email@here.and.there.com', None),
-    (validate_email, 'email@[127.0.0.1]', None),
-    (validate_email, 'email@[2001:dB8::1]', None),
-    (validate_email, 'email@[2001:dB8:0:0:0:0:0:1]', None),
-    (validate_email, 'email@[::fffF:127.0.0.1]', None),
-    (validate_email, 'example@valid-----hyphens.com', None),
-    (validate_email, 'example@valid-with-hyphens.com', None),
-    (validate_email, 'test@domain.with.idn.tld.उदाहरण.परीक्षा', None),
-    (validate_email, 'email@localhost', None),
-    (EmailValidator(allowlist=['localdomain']), 'email@localdomain', None),
+    (validate_integer, "a", ValidationError),
+    (validate_integer, "\n42", ValidationError),
+    (validate_integer, "42\n", ValidationError),
+    (validate_email, "email@here.com", None),
+    (validate_email, "weirder-email@here.and.there.com", None),
+    (validate_email, "email@[127.0.0.1]", None),
+    (validate_email, "email@[2001:dB8::1]", None),
+    (validate_email, "email@[2001:dB8:0:0:0:0:0:1]", None),
+    (validate_email, "email@[::fffF:127.0.0.1]", None),
+    (validate_email, "example@valid-----hyphens.com", None),
+    (validate_email, "example@valid-with-hyphens.com", None),
+    (validate_email, "test@domain.with.idn.tld.उदाहरण.परीक्षा", None),
+    (validate_email, "email@localhost", None),
+    (EmailValidator(allowlist=["localdomain"]), "email@localdomain", None),
     (validate_email, '"test@test"@example.com', None),
-    (validate_email, 'example@atm.%s' % ('a' * 63), None),
-    (validate_email, 'example@%s.atm' % ('a' * 63), None),
-    (validate_email, 'example@%s.%s.atm' % ('a' * 63, 'b' * 10), None),
-
-    (validate_email, 'example@atm.%s' % ('a' * 64), ValidationError),
-    (validate_email, 'example@%s.atm.%s' % ('b' * 64, 'a' * 63), ValidationError),
+    (validate_email, "example@atm.%s" % ("a" * 63), None),
+    (validate_email, "example@%s.atm" % ("a" * 63), None),
+    (validate_email, "example@%s.%s.atm" % ("a" * 63, "b" * 10), None),
+    (validate_email, "example@atm.%s" % ("a" * 64), ValidationError),
+    (validate_email, "example@%s.atm.%s" % ("b" * 64, "a" * 63), ValidationError),
     (validate_email, None, ValidationError),
-    (validate_email, '', ValidationError),
-    (validate_email, 'abc', ValidationError),
-    (validate_email, 'abc@', ValidationError),
-    (validate_email, 'abc@bar', ValidationError),
-    (validate_email, 'a @x.cz', ValidationError),
-    (validate_email, 'abc@.com', ValidationError),
-    (validate_email, 'something@@somewhere.com', ValidationError),
-    (validate_email, 'email@127.0.0.1', ValidationError),
-    (validate_email, 'email@[127.0.0.256]', ValidationError),
-    (validate_email, 'email@[2001:db8::12345]', ValidationError),
-    (validate_email, 'email@[2001:db8:0:0:0:0:1]', ValidationError),
-    (validate_email, 'email@[::ffff:127.0.0.256]', ValidationError),
-    (validate_email, 'email@[2001:dg8::1]', ValidationError),
-    (validate_email, 'email@[2001:dG8:0:0:0:0:0:1]', ValidationError),
-    (validate_email, 'email@[::fTzF:127.0.0.1]', ValidationError),
-    (validate_email, 'example@invalid-.com', ValidationError),
-    (validate_email, 'example@-invalid.com', ValidationError),
-    (validate_email, 'example@invalid.com-', ValidationError),
-    (validate_email, 'example@inv-.alid-.com', ValidationError),
-    (validate_email, 'example@inv-.-alid.com', ValidationError),
+    (validate_email, "", ValidationError),
+    (validate_email, "abc", ValidationError),
+    (validate_email, "abc@", ValidationError),
+    (validate_email, "abc@bar", ValidationError),
+    (validate_email, "a @x.cz", ValidationError),
+    (validate_email, "abc@.com", ValidationError),
+    (validate_email, "something@@somewhere.com", ValidationError),
+    (validate_email, "email@127.0.0.1", ValidationError),
+    (validate_email, "email@[127.0.0.256]", ValidationError),
+    (validate_email, "email@[2001:db8::12345]", ValidationError),
+    (validate_email, "email@[2001:db8:0:0:0:0:1]", ValidationError),
+    (validate_email, "email@[::ffff:127.0.0.256]", ValidationError),
+    (validate_email, "email@[2001:dg8::1]", ValidationError),
+    (validate_email, "email@[2001:dG8:0:0:0:0:0:1]", ValidationError),
+    (validate_email, "email@[::fTzF:127.0.0.1]", ValidationError),
+    (validate_email, "example@invalid-.com", ValidationError),
+    (validate_email, "example@-invalid.com", ValidationError),
+    (validate_email, "example@invalid.com-", ValidationError),
+    (validate_email, "example@inv-.alid-.com", ValidationError),
+    (validate_email, "example@inv-.-alid.com", ValidationError),
     (validate_email, 'test@example.com\n\n<script src="x.js">', ValidationError),
     # Quoted-string format (CR not allowed)
     (validate_email, '"\\\011"@here.com', None),
     (validate_email, '"\\\012"@here.com', ValidationError),
-    (validate_email, 'trailingdot@shouldfail.com.', ValidationError),
+    (validate_email, "trailingdot@shouldfail.com.", ValidationError),
     # Max length of domain name labels is 63 characters per RFC 1034.
-    (validate_email, 'a@%s.us' % ('a' * 63), None),
-    (validate_email, 'a@%s.us' % ('a' * 64), ValidationError),
+    (validate_email, "a@%s.us" % ("a" * 63), None),
+    (validate_email, "a@%s.us" % ("a" * 64), ValidationError),
     # Trailing newlines in username or domain not allowed
-    (validate_email, 'a@b.com\n', ValidationError),
-    (validate_email, 'a\n@b.com', ValidationError),
+    (validate_email, "a@b.com\n", ValidationError),
+    (validate_email, "a\n@b.com", ValidationError),
     (validate_email, '"test@test"\n@example.com', ValidationError),
-    (validate_email, 'a@[127.0.0.1]\n', ValidationError),
-
-    (validate_slug, 'slug-ok', None),
-    (validate_slug, 'longer-slug-still-ok', None),
-    (validate_slug, '--------', None),
-    (validate_slug, 'nohyphensoranything', None),
-    (validate_slug, 'a', None),
-    (validate_slug, '1', None),
-    (validate_slug, 'a1', None),
-
-    (validate_slug, '', ValidationError),
-    (validate_slug, ' text ', ValidationError),
-    (validate_slug, ' ', ValidationError),
-    (validate_slug, 'some@mail.com', ValidationError),
-    (validate_slug, '你好', ValidationError),
-    (validate_slug, '你 好', ValidationError),
-    (validate_slug, '\n', ValidationError),
-    (validate_slug, 'trailing-newline\n', ValidationError),
-
-    (validate_unicode_slug, 'slug-ok', None),
-    (validate_unicode_slug, 'longer-slug-still-ok', None),
-    (validate_unicode_slug, '--------', None),
-    (validate_unicode_slug, 'nohyphensoranything', None),
-    (validate_unicode_slug, 'a', None),
-    (validate_unicode_slug, '1', None),
-    (validate_unicode_slug, 'a1', None),
-    (validate_unicode_slug, '你好', None),
-
-    (validate_unicode_slug, '', ValidationError),
-    (validate_unicode_slug, ' text ', ValidationError),
-    (validate_unicode_slug, ' ', ValidationError),
-    (validate_unicode_slug, 'some@mail.com', ValidationError),
-    (validate_unicode_slug, '\n', ValidationError),
-    (validate_unicode_slug, '你 好', ValidationError),
-    (validate_unicode_slug, 'trailing-newline\n', ValidationError),
-
-    (validate_ipv4_address, '1.1.1.1', None),
-    (validate_ipv4_address, '255.0.0.0', None),
-    (validate_ipv4_address, '0.0.0.0', None),
-
-    (validate_ipv4_address, '256.1.1.1', ValidationError),
-    (validate_ipv4_address, '25.1.1.', ValidationError),
-    (validate_ipv4_address, '25,1,1,1', ValidationError),
-    (validate_ipv4_address, '25.1 .1.1', ValidationError),
-    (validate_ipv4_address, '1.1.1.1\n', ValidationError),
-    (validate_ipv4_address, '٧.2٥.3٣.243', ValidationError),
-
+    (validate_email, "a@[127.0.0.1]\n", ValidationError),
+    (validate_slug, "slug-ok", None),
+    (validate_slug, "longer-slug-still-ok", None),
+    (validate_slug, "--------", None),
+    (validate_slug, "nohyphensoranything", None),
+    (validate_slug, "a", None),
+    (validate_slug, "1", None),
+    (validate_slug, "a1", None),
+    (validate_slug, "", ValidationError),
+    (validate_slug, " text ", ValidationError),
+    (validate_slug, " ", ValidationError),
+    (validate_slug, "some@mail.com", ValidationError),
+    (validate_slug, "你好", ValidationError),
+    (validate_slug, "你 好", ValidationError),
+    (validate_slug, "\n", ValidationError),
+    (validate_slug, "trailing-newline\n", ValidationError),
+    (validate_unicode_slug, "slug-ok", None),
+    (validate_unicode_slug, "longer-slug-still-ok", None),
+    (validate_unicode_slug, "--------", None),
+    (validate_unicode_slug, "nohyphensoranything", None),
+    (validate_unicode_slug, "a", None),
+    (validate_unicode_slug, "1", None),
+    (validate_unicode_slug, "a1", None),
+    (validate_unicode_slug, "你好", None),
+    (validate_unicode_slug, "", ValidationError),
+    (validate_unicode_slug, " text ", ValidationError),
+    (validate_unicode_slug, " ", ValidationError),
+    (validate_unicode_slug, "some@mail.com", ValidationError),
+    (validate_unicode_slug, "\n", ValidationError),
+    (validate_unicode_slug, "你 好", ValidationError),
+    (validate_unicode_slug, "trailing-newline\n", ValidationError),
+    (validate_ipv4_address, "1.1.1.1", None),
+    (validate_ipv4_address, "255.0.0.0", None),
+    (validate_ipv4_address, "0.0.0.0", None),
+    (validate_ipv4_address, "256.1.1.1", ValidationError),
+    (validate_ipv4_address, "25.1.1.", ValidationError),
+    (validate_ipv4_address, "25,1,1,1", ValidationError),
+    (validate_ipv4_address, "25.1 .1.1", ValidationError),
+    (validate_ipv4_address, "1.1.1.1\n", ValidationError),
+    (validate_ipv4_address, "٧.2٥.3٣.243", ValidationError),
     # Leading zeros are forbidden to avoid ambiguity with the octal notation.
-    (validate_ipv4_address, '000.000.000.000', ValidationError),
-    (validate_ipv4_address, '016.016.016.016', ValidationError),
-    (validate_ipv4_address, '192.168.000.001', ValidationError),
-    (validate_ipv4_address, '01.2.3.4', ValidationError),
-    (validate_ipv4_address, '01.2.3.4', ValidationError),
-    (validate_ipv4_address, '1.02.3.4', ValidationError),
-    (validate_ipv4_address, '1.2.03.4', ValidationError),
-    (validate_ipv4_address, '1.2.3.04', ValidationError),
-
+    (validate_ipv4_address, "000.000.000.000", ValidationError),
+    (validate_ipv4_address, "016.016.016.016", ValidationError),
+    (validate_ipv4_address, "192.168.000.001", ValidationError),
+    (validate_ipv4_address, "01.2.3.4", ValidationError),
+    (validate_ipv4_address, "01.2.3.4", ValidationError),
+    (validate_ipv4_address, "1.02.3.4", ValidationError),
+    (validate_ipv4_address, "1.2.03.4", ValidationError),
+    (validate_ipv4_address, "1.2.3.04", ValidationError),
     # validate_ipv6_address uses django.utils.ipv6, which
     # is tested in much greater detail in its own testcase
-    (validate_ipv6_address, 'fe80::1', None),
-    (validate_ipv6_address, '::1', None),
-    (validate_ipv6_address, '1:2:3:4:5:6:7:8', None),
-
-    (validate_ipv6_address, '1:2', ValidationError),
-    (validate_ipv6_address, '::zzz', ValidationError),
-    (validate_ipv6_address, '12345::', ValidationError),
-
-    (validate_ipv46_address, '1.1.1.1', None),
-    (validate_ipv46_address, '255.0.0.0', None),
-    (validate_ipv46_address, '0.0.0.0', None),
-    (validate_ipv46_address, 'fe80::1', None),
-    (validate_ipv46_address, '::1', None),
-    (validate_ipv46_address, '1:2:3:4:5:6:7:8', None),
-
-    (validate_ipv46_address, '256.1.1.1', ValidationError),
-    (validate_ipv46_address, '25.1.1.', ValidationError),
-    (validate_ipv46_address, '25,1,1,1', ValidationError),
-    (validate_ipv46_address, '25.1 .1.1', ValidationError),
-    (validate_ipv46_address, '1:2', ValidationError),
-    (validate_ipv46_address, '::zzz', ValidationError),
-    (validate_ipv46_address, '12345::', ValidationError),
-
+    (validate_ipv6_address, "fe80::1", None),
+    (validate_ipv6_address, "::1", None),
+    (validate_ipv6_address, "1:2:3:4:5:6:7:8", None),
+    (validate_ipv6_address, "1:2", ValidationError),
+    (validate_ipv6_address, "::zzz", ValidationError),
+    (validate_ipv6_address, "12345::", ValidationError),
+    (validate_ipv46_address, "1.1.1.1", None),
+    (validate_ipv46_address, "255.0.0.0", None),
+    (validate_ipv46_address, "0.0.0.0", None),
+    (validate_ipv46_address, "fe80::1", None),
+    (validate_ipv46_address, "::1", None),
+    (validate_ipv46_address, "1:2:3:4:5:6:7:8", None),
+    (validate_ipv46_address, "256.1.1.1", ValidationError),
+    (validate_ipv46_address, "25.1.1.", ValidationError),
+    (validate_ipv46_address, "25,1,1,1", ValidationError),
+    (validate_ipv46_address, "25.1 .1.1", ValidationError),
+    (validate_ipv46_address, "1:2", ValidationError),
+    (validate_ipv46_address, "::zzz", ValidationError),
+    (validate_ipv46_address, "12345::", ValidationError),
     # Leading zeros are forbidden to avoid ambiguity with the octal notation.
-    (validate_ipv46_address, '000.000.000.000', ValidationError),
-    (validate_ipv46_address, '016.016.016.016', ValidationError),
-    (validate_ipv46_address, '192.168.000.001', ValidationError),
-    (validate_ipv46_address, '01.2.3.4', ValidationError),
-    (validate_ipv46_address, '01.2.3.4', ValidationError),
-    (validate_ipv46_address, '1.02.3.4', ValidationError),
-    (validate_ipv46_address, '1.2.03.4', ValidationError),
-    (validate_ipv46_address, '1.2.3.04', ValidationError),
-
-    (validate_comma_separated_integer_list, '1', None),
-    (validate_comma_separated_integer_list, '12', None),
-    (validate_comma_separated_integer_list, '1,2', None),
-    (validate_comma_separated_integer_list, '1,2,3', None),
-    (validate_comma_separated_integer_list, '10,32', None),
-
-    (validate_comma_separated_integer_list, '', ValidationError),
-    (validate_comma_separated_integer_list, 'a', ValidationError),
-    (validate_comma_separated_integer_list, 'a,b,c', ValidationError),
-    (validate_comma_separated_integer_list, '1, 2, 3', ValidationError),
-    (validate_comma_separated_integer_list, ',', ValidationError),
-    (validate_comma_separated_integer_list, '1,2,3,', ValidationError),
-    (validate_comma_separated_integer_list, '1,2,', ValidationError),
-    (validate_comma_separated_integer_list, ',1', ValidationError),
-    (validate_comma_separated_integer_list, '1,,2', ValidationError),
-
-    (int_list_validator(sep='.'), '1.2.3', None),
-    (int_list_validator(sep='.', allow_negative=True), '1.2.3', None),
-    (int_list_validator(allow_negative=True), '-1,-2,3', None),
-    (int_list_validator(allow_negative=True), '1,-2,-12', None),
-
-    (int_list_validator(), '-1,2,3', ValidationError),
-    (int_list_validator(sep='.'), '1,2,3', ValidationError),
-    (int_list_validator(sep='.'), '1.2.3\n', ValidationError),
-
+    (validate_ipv46_address, "000.000.000.000", ValidationError),
+    (validate_ipv46_address, "016.016.016.016", ValidationError),
+    (validate_ipv46_address, "192.168.000.001", ValidationError),
+    (validate_ipv46_address, "01.2.3.4", ValidationError),
+    (validate_ipv46_address, "01.2.3.4", ValidationError),
+    (validate_ipv46_address, "1.02.3.4", ValidationError),
+    (validate_ipv46_address, "1.2.03.4", ValidationError),
+    (validate_ipv46_address, "1.2.3.04", ValidationError),
+    (validate_comma_separated_integer_list, "1", None),
+    (validate_comma_separated_integer_list, "12", None),
+    (validate_comma_separated_integer_list, "1,2", None),
+    (validate_comma_separated_integer_list, "1,2,3", None),
+    (validate_comma_separated_integer_list, "10,32", None),
+    (validate_comma_separated_integer_list, "", ValidationError),
+    (validate_comma_separated_integer_list, "a", ValidationError),
+    (validate_comma_separated_integer_list, "a,b,c", ValidationError),
+    (validate_comma_separated_integer_list, "1, 2, 3", ValidationError),
+    (validate_comma_separated_integer_list, ",", ValidationError),
+    (validate_comma_separated_integer_list, "1,2,3,", ValidationError),
+    (validate_comma_separated_integer_list, "1,2,", ValidationError),
+    (validate_comma_separated_integer_list, ",1", ValidationError),
+    (validate_comma_separated_integer_list, "1,,2", ValidationError),
+    (int_list_validator(sep="."), "1.2.3", None),
+    (int_list_validator(sep=".", allow_negative=True), "1.2.3", None),
+    (int_list_validator(allow_negative=True), "-1,-2,3", None),
+    (int_list_validator(allow_negative=True), "1,-2,-12", None),
+    (int_list_validator(), "-1,2,3", ValidationError),
+    (int_list_validator(sep="."), "1,2,3", ValidationError),
+    (int_list_validator(sep="."), "1.2.3\n", ValidationError),
     (MaxValueValidator(10), 10, None),
     (MaxValueValidator(10), -10, None),
     (MaxValueValidator(10), 0, None),
     (MaxValueValidator(NOW), NOW, None),
     (MaxValueValidator(NOW), NOW - timedelta(days=1), None),
-
     (MaxValueValidator(0), 1, ValidationError),
     (MaxValueValidator(NOW), NOW + timedelta(days=1), ValidationError),
-
     (MinValueValidator(-10), -10, None),
     (MinValueValidator(-10), 10, None),
     (MinValueValidator(-10), 0, None),
     (MinValueValidator(NOW), NOW, None),
     (MinValueValidator(NOW), NOW + timedelta(days=1), None),
-
     (MinValueValidator(0), -1, ValidationError),
     (MinValueValidator(NOW), NOW - timedelta(days=1), ValidationError),
-
     # limit_value may be a callable.
     (MinValueValidator(lambda: 1), 0, ValidationError),
     (MinValueValidator(lambda: 1), 1, None),
-
-    (MaxLengthValidator(10), '', None),
-    (MaxLengthValidator(10), 10 * 'x', None),
-
-    (MaxLengthValidator(10), 15 * 'x', ValidationError),
-
-    (MinLengthValidator(10), 15 * 'x', None),
-    (MinLengthValidator(10), 10 * 'x', None),
-
-    (MinLengthValidator(10), '', ValidationError),
-
-    (URLValidator(EXTENDED_SCHEMES), 'file://localhost/path', None),
-    (URLValidator(EXTENDED_SCHEMES), 'git://example.com/', None),
-    (URLValidator(EXTENDED_SCHEMES), 'git+ssh://git@github.com/example/hg-git.git', None),
-
-    (URLValidator(EXTENDED_SCHEMES), 'git://-invalid.com', ValidationError),
-
+    (MaxLengthValidator(10), "", None),
+    (MaxLengthValidator(10), 10 * "x", None),
+    (MaxLengthValidator(10), 15 * "x", ValidationError),
+    (MinLengthValidator(10), 15 * "x", None),
+    (MinLengthValidator(10), 10 * "x", None),
+    (MinLengthValidator(10), "", ValidationError),
+    (URLValidator(EXTENDED_SCHEMES), "file://localhost/path", None),
+    (URLValidator(EXTENDED_SCHEMES), "git://example.com/", None),
+    (
+        URLValidator(EXTENDED_SCHEMES),
+        "git+ssh://git@github.com/example/hg-git.git",
+        None,
+    ),
+    (URLValidator(EXTENDED_SCHEMES), "git://-invalid.com", ValidationError),
     (BaseValidator(True), True, None),
     (BaseValidator(True), False, ValidationError),
-
-    (RegexValidator(), '', None),
-    (RegexValidator(), 'x1x2', None),
-    (RegexValidator('[0-9]+'), 'xxxxxx', ValidationError),
-    (RegexValidator('[0-9]+'), '1234', None),
-    (RegexValidator(re.compile('[0-9]+')), '1234', None),
-    (RegexValidator('.*'), '', None),
-    (RegexValidator(re.compile('.*')), '', None),
-    (RegexValidator('.*'), 'xxxxx', None),
-
-    (RegexValidator('x'), 'y', ValidationError),
-    (RegexValidator(re.compile('x')), 'y', ValidationError),
-    (RegexValidator('x', inverse_match=True), 'y', None),
-    (RegexValidator(re.compile('x'), inverse_match=True), 'y', None),
-    (RegexValidator('x', inverse_match=True), 'x', ValidationError),
-    (RegexValidator(re.compile('x'), inverse_match=True), 'x', ValidationError),
-
-    (RegexValidator('x', flags=re.IGNORECASE), 'y', ValidationError),
-    (RegexValidator('a'), 'A', ValidationError),
-    (RegexValidator('a', flags=re.IGNORECASE), 'A', None),
-
-    (FileExtensionValidator(['txt']), ContentFile('contents', name='fileWithUnsupportedExt.jpg'), ValidationError),
-    (FileExtensionValidator(['txt']), ContentFile('contents', name='fileWithUnsupportedExt.JPG'), ValidationError),
-    (FileExtensionValidator(['txt']), ContentFile('contents', name='fileWithNoExtension'), ValidationError),
-    (FileExtensionValidator(['']), ContentFile('contents', name='fileWithAnExtension.txt'), ValidationError),
-    (FileExtensionValidator([]), ContentFile('contents', name='file.txt'), ValidationError),
-
-    (FileExtensionValidator(['']), ContentFile('contents', name='fileWithNoExtension'), None),
-    (FileExtensionValidator(['txt']), ContentFile('contents', name='file.txt'), None),
-    (FileExtensionValidator(['txt']), ContentFile('contents', name='file.TXT'), None),
-    (FileExtensionValidator(['TXT']), ContentFile('contents', name='file.txt'), None),
-    (FileExtensionValidator(), ContentFile('contents', name='file.jpg'), None),
-
-    (DecimalValidator(max_digits=2, decimal_places=2), Decimal('0.99'), None),
-    (DecimalValidator(max_digits=2, decimal_places=1), Decimal('0.99'), ValidationError),
-    (DecimalValidator(max_digits=3, decimal_places=1), Decimal('999'), ValidationError),
-    (DecimalValidator(max_digits=4, decimal_places=1), Decimal('999'), None),
-    (DecimalValidator(max_digits=20, decimal_places=2), Decimal('742403889818000000'), None),
-    (DecimalValidator(20, 2), Decimal('7.42403889818E+17'), None),
-    (DecimalValidator(max_digits=20, decimal_places=2), Decimal('7424742403889818000000'), ValidationError),
-    (DecimalValidator(max_digits=5, decimal_places=2), Decimal('7304E-1'), None),
-    (DecimalValidator(max_digits=5, decimal_places=2), Decimal('7304E-3'), ValidationError),
-    (DecimalValidator(max_digits=5, decimal_places=5), Decimal('70E-5'), None),
-    (DecimalValidator(max_digits=5, decimal_places=5), Decimal('70E-6'), ValidationError),
+    (RegexValidator(), "", None),
+    (RegexValidator(), "x1x2", None),
+    (RegexValidator("[0-9]+"), "xxxxxx", ValidationError),
+    (RegexValidator("[0-9]+"), "1234", None),
+    (RegexValidator(re.compile("[0-9]+")), "1234", None),
+    (RegexValidator(".*"), "", None),
+    (RegexValidator(re.compile(".*")), "", None),
+    (RegexValidator(".*"), "xxxxx", None),
+    (RegexValidator("x"), "y", ValidationError),
+    (RegexValidator(re.compile("x")), "y", ValidationError),
+    (RegexValidator("x", inverse_match=True), "y", None),
+    (RegexValidator(re.compile("x"), inverse_match=True), "y", None),
+    (RegexValidator("x", inverse_match=True), "x", ValidationError),
+    (RegexValidator(re.compile("x"), inverse_match=True), "x", ValidationError),
+    (RegexValidator("x", flags=re.IGNORECASE), "y", ValidationError),
+    (RegexValidator("a"), "A", ValidationError),
+    (RegexValidator("a", flags=re.IGNORECASE), "A", None),
+    (
+        FileExtensionValidator(["txt"]),
+        ContentFile("contents", name="fileWithUnsupportedExt.jpg"),
+        ValidationError,
+    ),
+    (
+        FileExtensionValidator(["txt"]),
+        ContentFile("contents", name="fileWithUnsupportedExt.JPG"),
+        ValidationError,
+    ),
+    (
+        FileExtensionValidator(["txt"]),
+        ContentFile("contents", name="fileWithNoExtension"),
+        ValidationError,
+    ),
+    (
+        FileExtensionValidator([""]),
+        ContentFile("contents", name="fileWithAnExtension.txt"),
+        ValidationError,
+    ),
+    (
+        FileExtensionValidator([]),
+        ContentFile("contents", name="file.txt"),
+        ValidationError,
+    ),
+    (
+        FileExtensionValidator([""]),
+        ContentFile("contents", name="fileWithNoExtension"),
+        None,
+    ),
+    (FileExtensionValidator(["txt"]), ContentFile("contents", name="file.txt"), None),
+    (FileExtensionValidator(["txt"]), ContentFile("contents", name="file.TXT"), None),
+    (FileExtensionValidator(["TXT"]), ContentFile("contents", name="file.txt"), None),
+    (FileExtensionValidator(), ContentFile("contents", name="file.jpg"), None),
+    (DecimalValidator(max_digits=2, decimal_places=2), Decimal("0.99"), None),
+    (
+        DecimalValidator(max_digits=2, decimal_places=1),
+        Decimal("0.99"),
+        ValidationError,
+    ),
+    (DecimalValidator(max_digits=3, decimal_places=1), Decimal("999"), ValidationError),
+    (DecimalValidator(max_digits=4, decimal_places=1), Decimal("999"), None),
+    (
+        DecimalValidator(max_digits=20, decimal_places=2),
+        Decimal("742403889818000000"),
+        None,
+    ),
+    (DecimalValidator(20, 2), Decimal("7.42403889818E+17"), None),
+    (
+        DecimalValidator(max_digits=20, decimal_places=2),
+        Decimal("7424742403889818000000"),
+        ValidationError,
+    ),
+    (DecimalValidator(max_digits=5, decimal_places=2), Decimal("7304E-1"), None),
+    (
+        DecimalValidator(max_digits=5, decimal_places=2),
+        Decimal("7304E-3"),
+        ValidationError,
+    ),
+    (DecimalValidator(max_digits=5, decimal_places=5), Decimal("70E-5"), None),
+    (
+        DecimalValidator(max_digits=5, decimal_places=5),
+        Decimal("70E-6"),
+        ValidationError,
+    ),
     # 'Enter a number.' errors
     *[
-        (DecimalValidator(decimal_places=2, max_digits=10), Decimal(value), ValidationError)
+        (
+            DecimalValidator(decimal_places=2, max_digits=10),
+            Decimal(value),
+            ValidationError,
+        )
         for value in (
-            'NaN', '-NaN', '+NaN', 'sNaN', '-sNaN', '+sNaN',
-            'Inf', '-Inf', '+Inf', 'Infinity', '-Infinity', '+Infinity',
+            "NaN",
+            "-NaN",
+            "+NaN",
+            "sNaN",
+            "-sNaN",
+            "+sNaN",
+            "Inf",
+            "-Inf",
+            "+Inf",
+            "Infinity",
+            "-Infinity",
+            "+Infinity",
         )
     ],
-
-    (validate_image_file_extension, ContentFile('contents', name='file.jpg'), None),
-    (validate_image_file_extension, ContentFile('contents', name='file.png'), None),
-    (validate_image_file_extension, ContentFile('contents', name='file.PNG'), None),
-    (validate_image_file_extension, ContentFile('contents', name='file.txt'), ValidationError),
-    (validate_image_file_extension, ContentFile('contents', name='file'), ValidationError),
-
-    (ProhibitNullCharactersValidator(), '\x00something', ValidationError),
-    (ProhibitNullCharactersValidator(), 'something', None),
+    (validate_image_file_extension, ContentFile("contents", name="file.jpg"), None),
+    (validate_image_file_extension, ContentFile("contents", name="file.png"), None),
+    (validate_image_file_extension, ContentFile("contents", name="file.PNG"), None),
+    (
+        validate_image_file_extension,
+        ContentFile("contents", name="file.txt"),
+        ValidationError,
+    ),
+    (
+        validate_image_file_extension,
+        ContentFile("contents", name="file"),
+        ValidationError,
+    ),
+    (ProhibitNullCharactersValidator(), "\x00something", ValidationError),
+    (ProhibitNullCharactersValidator(), "something", None),
     (ProhibitNullCharactersValidator(), None, None),
 ]
 
@@ -540,14 +585,24 @@ TEST_DATA.extend((URLValidator(), url, ValidationError) for url in INVALID_URLS)
 
 
 class TestValidators(SimpleTestCase):
-
     def test_validators(self):
         for validator, value, expected in TEST_DATA:
-            name = validator.__name__ if isinstance(validator, types.FunctionType) else validator.__class__.__name__
-            exception_expected = expected is not None and issubclass(expected, Exception)
+            name = (
+                validator.__name__
+                if isinstance(validator, types.FunctionType)
+                else validator.__class__.__name__
+            )
+            exception_expected = expected is not None and issubclass(
+                expected, Exception
+            )
             with self.subTest(name, value=value):
-                if validator is validate_image_file_extension and not PILLOW_IS_INSTALLED:
-                    self.skipTest('Pillow is required to test validate_image_file_extension.')
+                if (
+                    validator is validate_image_file_extension
+                    and not PILLOW_IS_INSTALLED
+                ):
+                    self.skipTest(
+                        "Pillow is required to test validate_image_file_extension."
+                    )
                 if exception_expected:
                     with self.assertRaises(expected):
                         validator(value)
@@ -555,29 +610,35 @@ class TestValidators(SimpleTestCase):
                     self.assertEqual(expected, validator(value))
 
     def test_single_message(self):
-        v = ValidationError('Not Valid')
+        v = ValidationError("Not Valid")
         self.assertEqual(str(v), "['Not Valid']")
         self.assertEqual(repr(v), "ValidationError(['Not Valid'])")
 
     def test_message_list(self):
-        v = ValidationError(['First Problem', 'Second Problem'])
+        v = ValidationError(["First Problem", "Second Problem"])
         self.assertEqual(str(v), "['First Problem', 'Second Problem']")
-        self.assertEqual(repr(v), "ValidationError(['First Problem', 'Second Problem'])")
+        self.assertEqual(
+            repr(v), "ValidationError(['First Problem', 'Second Problem'])"
+        )
 
     def test_message_dict(self):
-        v = ValidationError({'first': ['First Problem']})
+        v = ValidationError({"first": ["First Problem"]})
         self.assertEqual(str(v), "{'first': ['First Problem']}")
         self.assertEqual(repr(v), "ValidationError({'first': ['First Problem']})")
 
     def test_regex_validator_flags(self):
-        msg = 'If the flags are set, regex must be a regular expression string.'
+        msg = "If the flags are set, regex must be a regular expression string."
         with self.assertRaisesMessage(TypeError, msg):
-            RegexValidator(re.compile('a'), flags=re.IGNORECASE)
+            RegexValidator(re.compile("a"), flags=re.IGNORECASE)
 
     def test_max_length_validator_message(self):
-        v = MaxLengthValidator(16, message='"%(value)s" has more than %(limit_value)d characters.')
-        with self.assertRaisesMessage(ValidationError, '"djangoproject.com" has more than 16 characters.'):
-            v('djangoproject.com')
+        v = MaxLengthValidator(
+            16, message='"%(value)s" has more than %(limit_value)d characters.'
+        )
+        with self.assertRaisesMessage(
+            ValidationError, '"djangoproject.com" has more than 16 characters.'
+        ):
+            v("djangoproject.com")
 
 
 class TestValidatorEquality(TestCase):
@@ -587,38 +648,38 @@ class TestValidatorEquality(TestCase):
 
     def test_regex_equality(self):
         self.assertEqual(
-            RegexValidator(r'^(?:[a-z0-9\.\-]*)://'),
-            RegexValidator(r'^(?:[a-z0-9\.\-]*)://'),
+            RegexValidator(r"^(?:[a-z0-9\.\-]*)://"),
+            RegexValidator(r"^(?:[a-z0-9\.\-]*)://"),
         )
         self.assertNotEqual(
-            RegexValidator(r'^(?:[a-z0-9\.\-]*)://'),
-            RegexValidator(r'^(?:[0-9\.\-]*)://'),
+            RegexValidator(r"^(?:[a-z0-9\.\-]*)://"),
+            RegexValidator(r"^(?:[0-9\.\-]*)://"),
         )
         self.assertEqual(
-            RegexValidator(r'^(?:[a-z0-9\.\-]*)://', "oh noes", "invalid"),
-            RegexValidator(r'^(?:[a-z0-9\.\-]*)://', "oh noes", "invalid"),
+            RegexValidator(r"^(?:[a-z0-9\.\-]*)://", "oh noes", "invalid"),
+            RegexValidator(r"^(?:[a-z0-9\.\-]*)://", "oh noes", "invalid"),
         )
         self.assertNotEqual(
-            RegexValidator(r'^(?:[a-z0-9\.\-]*)://', "oh", "invalid"),
-            RegexValidator(r'^(?:[a-z0-9\.\-]*)://', "oh noes", "invalid"),
+            RegexValidator(r"^(?:[a-z0-9\.\-]*)://", "oh", "invalid"),
+            RegexValidator(r"^(?:[a-z0-9\.\-]*)://", "oh noes", "invalid"),
         )
         self.assertNotEqual(
-            RegexValidator(r'^(?:[a-z0-9\.\-]*)://', "oh noes", "invalid"),
-            RegexValidator(r'^(?:[a-z0-9\.\-]*)://'),
+            RegexValidator(r"^(?:[a-z0-9\.\-]*)://", "oh noes", "invalid"),
+            RegexValidator(r"^(?:[a-z0-9\.\-]*)://"),
         )
 
         self.assertNotEqual(
-            RegexValidator('', flags=re.IGNORECASE),
-            RegexValidator(''),
+            RegexValidator("", flags=re.IGNORECASE),
+            RegexValidator(""),
         )
 
         self.assertNotEqual(
-            RegexValidator(''),
-            RegexValidator('', inverse_match=True),
+            RegexValidator(""),
+            RegexValidator("", inverse_match=True),
         )
 
     def test_regex_equality_nocache(self):
-        pattern = r'^(?:[a-z0-9\.\-]*)://'
+        pattern = r"^(?:[a-z0-9\.\-]*)://"
         left = RegexValidator(pattern)
         re.purge()
         right = RegexValidator(pattern)
@@ -682,57 +743,49 @@ class TestValidatorEquality(TestCase):
         )
 
     def test_file_extension_equality(self):
+        self.assertEqual(FileExtensionValidator(), FileExtensionValidator())
         self.assertEqual(
-            FileExtensionValidator(),
-            FileExtensionValidator()
-        )
-        self.assertEqual(
-            FileExtensionValidator(['txt']),
-            FileExtensionValidator(['txt'])
+            FileExtensionValidator(["txt"]), FileExtensionValidator(["txt"])
         )
         self.assertEqual(
-            FileExtensionValidator(['TXT']),
-            FileExtensionValidator(['txt'])
+            FileExtensionValidator(["TXT"]), FileExtensionValidator(["txt"])
         )
         self.assertEqual(
-            FileExtensionValidator(['TXT', 'png']),
-            FileExtensionValidator(['txt', 'png'])
+            FileExtensionValidator(["TXT", "png"]),
+            FileExtensionValidator(["txt", "png"]),
         )
         self.assertEqual(
-            FileExtensionValidator(['txt']),
-            FileExtensionValidator(['txt'], code='invalid_extension')
+            FileExtensionValidator(["txt"]),
+            FileExtensionValidator(["txt"], code="invalid_extension"),
         )
         self.assertNotEqual(
-            FileExtensionValidator(['txt']),
-            FileExtensionValidator(['png'])
+            FileExtensionValidator(["txt"]), FileExtensionValidator(["png"])
         )
         self.assertNotEqual(
-            FileExtensionValidator(['txt']),
-            FileExtensionValidator(['png', 'jpg'])
+            FileExtensionValidator(["txt"]), FileExtensionValidator(["png", "jpg"])
         )
         self.assertNotEqual(
-            FileExtensionValidator(['txt']),
-            FileExtensionValidator(['txt'], code='custom_code')
+            FileExtensionValidator(["txt"]),
+            FileExtensionValidator(["txt"], code="custom_code"),
         )
         self.assertNotEqual(
-            FileExtensionValidator(['txt']),
-            FileExtensionValidator(['txt'], message='custom error message')
+            FileExtensionValidator(["txt"]),
+            FileExtensionValidator(["txt"], message="custom error message"),
         )
 
     def test_prohibit_null_characters_validator_equality(self):
         self.assertEqual(
-            ProhibitNullCharactersValidator(message='message', code='code'),
-            ProhibitNullCharactersValidator(message='message', code='code')
+            ProhibitNullCharactersValidator(message="message", code="code"),
+            ProhibitNullCharactersValidator(message="message", code="code"),
         )
         self.assertEqual(
-            ProhibitNullCharactersValidator(),
-            ProhibitNullCharactersValidator()
+            ProhibitNullCharactersValidator(), ProhibitNullCharactersValidator()
         )
         self.assertNotEqual(
-            ProhibitNullCharactersValidator(message='message1', code='code'),
-            ProhibitNullCharactersValidator(message='message2', code='code')
+            ProhibitNullCharactersValidator(message="message1", code="code"),
+            ProhibitNullCharactersValidator(message="message2", code="code"),
         )
         self.assertNotEqual(
-            ProhibitNullCharactersValidator(message='message', code='code1'),
-            ProhibitNullCharactersValidator(message='message', code='code2')
+            ProhibitNullCharactersValidator(message="message", code="code1"),
+            ProhibitNullCharactersValidator(message="message", code="code2"),
         )