Rewrite the hooks system test to pytest

Also, enable the test under TSAN.

bin/tests/system/hooks/tests.sh

@@ -1,36 +0,0 @@
-#!/bin/sh
-
-# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
-#
-# SPDX-License-Identifier: MPL-2.0
-#
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0.  If a copy of the MPL was not distributed with this
-# file, you can obtain one at https://mozilla.org/MPL/2.0/.
-#
-# See the COPYRIGHT file distributed with this work for additional
-# information regarding copyright ownership.
-
-. ../conf.sh
-
-status=0
-n=0
-
-rm -f dig.out.*
-
-DIGOPTS="+tcp +noadd +nosea +nostat +nocmd -p ${PORT}"
-RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
-
-n=$((n+1))
-echo_i "checking asynchronous hook action resumes correctly ($n)"
-ret=0
-$DIG $DIGOPTS example.com @10.53.0.1 > dig.out.ns1.test$n || ret=1
-# the test-async plugin changes the status of any postiive answer to NOTIMP
-grep -q "status: NOTIMP" dig.out.ns1.test$n || ret=1
-if [ $ret != 0 ]; then echo_i "failed"; fi
-status=$((status + ret))
-
-
-
-echo_i "exit status: $status"
-[ $status -eq 0 ] || exit 1

bin/tests/system/hooks/tests_async_plugin.py

@@ -1,5 +1,3 @@
-#!/bin/sh
-
 # Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 #
 # SPDX-License-Identifier: MPL-2.0
@@ -11,11 +9,18 @@
 # See the COPYRIGHT file distributed with this work for additional
 # information regarding copyright ownership.
 
-. ../conf.sh
+import pytest
 
-$FEATURETEST --tsan && {
-	echo_i "TSAN - skipping hooks test"
-        exit 255
-}
+pytest.importorskip("dns")
+import dns.message
+import dns.query
+import dns.rcode
 
-exit 0
+
+def test_async_hook(named_port):
+    msg = dns.message.make_query(
+        "example.com.",
+        "A",
+    )
+    ans = dns.query.udp(msg, "10.53.0.1", timeout=10, port=named_port)
+    assert ans.rcode() == dns.rcode.NOTIMP