(improvement): Adds tests for UUID String Format

tests/test_schema_converter.py

@@ -4,6 +4,7 @@ from pydantic import AnyUrl, BaseModel
 
 from ipaddress import IPv4Address, IPv6Address
 from unittest import TestCase
+from uuid import UUID
 
 
 def is_pydantic_model(cls):
@@ -493,6 +494,22 @@ class TestSchemaConverter(TestCase):
         with self.assertRaises(ValueError):
             model(ip="invalid-ipv6")
 
+    def test_string_format_uuid(self):
+        schema = {
+            "title": "UUIDTest",
+            "type": "object",
+            "properties": {"id": {"type": "string", "format": "uuid"}},
+        }
+        model = SchemaConverter.build(schema)
+
+        self.assertEqual(
+            model(id="123e4567-e89b-12d3-a456-426614174000").id,
+            UUID("123e4567-e89b-12d3-a456-426614174000"),
+        )
+
+        with self.assertRaises(ValueError):
+            model(id="invalid-uuid")
+
     def test_string_format_hostname(self):
         schema = {
             "title": "HostnameTest",