From fb7e522316ecd382152c0b0959ca23492005aca9 Mon Sep 17 00:00:00 2001
From: Shane Harvey <shnhrv@gmail.com>
Date: Fri, 7 Jul 2023 10:15:52 -0400
Subject: [PATCH] PYTHON-3800 Add test for SRV URI with uppercase hostname
 (#1293)

(cherry picked from commit 1d7f2ea1c805171403ba0b9f0971286f386391f4)
---
 test/test_dns.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/test/test_dns.py b/test/test_dns.py
index 352d05376..9312e37e0 100644
--- a/test/test_dns.py
+++ b/test/test_dns.py
@@ -21,7 +21,7 @@ import sys
 
 sys.path[0:0] = [""]
 
-from test import client_context, unittest
+from test import IntegrationTest, client_context, unittest
 from test.utils import wait_until
 
 from pymongo.common import validate_read_preference_tags
@@ -186,5 +186,13 @@ class TestParsingErrors(unittest.TestCase):
         )
 
 
+class TestCaseInsensitive(IntegrationTest):
+    @unittest.skipUnless(_HAVE_DNSPYTHON, "DNS tests require the dnspython module")
+    def test_connect_case_insensitive(self):
+        client = MongoClient("mongodb+srv://TEST1.TEST.BUILD.10GEN.cc/")
+        self.addCleanup(client.close)
+        self.assertGreater(len(client.topology_description.server_descriptions()), 1)
+
+
 if __name__ == "__main__":
     unittest.main()