Fixed #18119 -- Added a DomainNameValidator validator.

Thanks Claude Paroz for the review.

Co-authored-by: Nina Menezes <77671865+nmenezes0@users.noreply.github.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/tests/validators/tests.py b/tests/validators/tests.py
index 5376517a4a..ba1db5ea46 100644
--- a/tests/validators/tests.py
+++ b/tests/validators/tests.py
@@ -9,6 +9,7 @@ from django.core.files.base import ContentFile
 from django.core.validators import (
     BaseValidator,
     DecimalValidator,
+    DomainNameValidator,
     EmailValidator,
     FileExtensionValidator,
     MaxLengthValidator,
@@ -21,6 +22,7 @@ from django.core.validators import (
     URLValidator,
     int_list_validator,
     validate_comma_separated_integer_list,
+    validate_domain_name,
     validate_email,
     validate_image_file_extension,
     validate_integer,
@@ -618,6 +620,38 @@ TEST_DATA = [
     (ProhibitNullCharactersValidator(), "\x00something", ValidationError),
     (ProhibitNullCharactersValidator(), "something", None),
     (ProhibitNullCharactersValidator(), None, None),
+    (validate_domain_name, "000000.org", None),
+    (validate_domain_name, "python.org", None),
+    (validate_domain_name, "python.co.uk", None),
+    (validate_domain_name, "python.tk", None),
+    (validate_domain_name, "domain.with.idn.tld.उदाहरण.परीक्ष", None),
+    (validate_domain_name, "ıçğü.com", None),
+    (validate_domain_name, "xn--7ca6byfyc.com", None),
+    (validate_domain_name, "hg.python.org", None),
+    (validate_domain_name, "python.xyz", None),
+    (validate_domain_name, "djangoproject.com", None),
+    (validate_domain_name, "DJANGOPROJECT.COM", None),
+    (validate_domain_name, "spam.eggs", None),
+    (validate_domain_name, "python-python.com", None),
+    (validate_domain_name, "python.name.uk", None),
+    (validate_domain_name, "python.tips", None),
+    (validate_domain_name, "http://例子.测试", None),
+    (validate_domain_name, "http://dashinpunytld.xn---c", None),
+    (validate_domain_name, "python..org", ValidationError),
+    (validate_domain_name, "python-.org", ValidationError),
+    (validate_domain_name, "too-long-name." * 20 + "com", ValidationError),
+    (validate_domain_name, "stupid-name试", ValidationError),
+    (validate_domain_name, "255.0.0.0", ValidationError),
+    (validate_domain_name, "fe80::1", ValidationError),
+    (validate_domain_name, "1:2:3:4:5:6:7:8", ValidationError),
+    (DomainNameValidator(accept_idna=False), "non-idna-domain-name-passes.com", None),
+    (
+        DomainNameValidator(accept_idna=False),
+        "domain.with.idn.tld.उदाहरण.परीक्ष",
+        ValidationError,
+    ),
+    (DomainNameValidator(accept_idna=False), "ıçğü.com", ValidationError),
+    (DomainNameValidator(accept_idna=False), "not-domain-name", ValidationError),
 ]
 
 # Add valid and invalid URL tests.
@@ -847,3 +881,25 @@ class TestValidatorEquality(TestCase):
             ProhibitNullCharactersValidator(message="message", code="code1"),
             ProhibitNullCharactersValidator(message="message", code="code2"),
         )
+
+    def test_domain_name_equality(self):
+        self.assertEqual(
+            DomainNameValidator(),
+            DomainNameValidator(),
+        )
+        self.assertNotEqual(
+            DomainNameValidator(),
+            EmailValidator(),
+        )
+        self.assertNotEqual(
+            DomainNameValidator(),
+            DomainNameValidator(code="custom_code"),
+        )
+        self.assertEqual(
+            DomainNameValidator(message="custom error message"),
+            DomainNameValidator(message="custom error message"),
+        )
+        self.assertNotEqual(
+            DomainNameValidator(message="custom error message"),
+            DomainNameValidator(message="custom error message", code="custom_code"),
+        )