From: Michał Kępień <michal@isc.org>
Date: Tue, 25 Mar 2025 04:01:34 +0000 (+0100)
Subject: Add a response handler for ignoring all queries
X-Git-Tag: v9.21.7~32^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f24a534ff1b7be611ab320b041b58103d5607eae;p=thirdparty%2Fbind9.git

Add a response handler for ignoring all queries

Dropping all incoming queries is a typical use case for a custom server
used in BIND 9 system tests.  Add a response handler implementing that
behavior so that it can be reused.
---

diff --git a/bin/tests/system/isctest/asyncserver.py b/bin/tests/system/isctest/asyncserver.py
index 996db22893c..dd2cf0c04cb 100644
--- a/bin/tests/system/isctest/asyncserver.py
+++ b/bin/tests/system/isctest/asyncserver.py
@@ -383,6 +383,17 @@ class ResponseHandler(abc.ABC):
         yield DnsResponseSend(qctx.response)
 
 
+class IgnoreAllQueries(ResponseHandler):
+    """
+    Do not respond to any queries sent to the server.
+    """
+
+    async def get_responses(
+        self, qctx: QueryContext
+    ) -> AsyncGenerator[ResponseAction, None]:
+        yield ResponseDrop()
+
+
 class DomainHandler(ResponseHandler):
     """
     Base class used for deriving custom domain handlers.