chg: test: Rewrite database system test to pytest

Merge branch 'mnowak/pytest_rewrite_database' into 'main'

See merge request isc-projects/bind9!9156

bin/tests/system/database/ns1/named1.conf.in → bin/tests/system/database/ns1/named.conf.j2

@@ -39,5 +39,5 @@ trust-anchors { };
 
 zone "database" {
 	type primary;
-	database "_builtin empty localhost. hostmaster.isc.org.";
+	database "_builtin empty localhost. @rname | default('hostmaster.isc.org.')@";
 };

bin/tests/system/database/tests_database.py

@@ -0,0 +1,41 @@
+# 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.
+
+import isctest
+
+import dns.message
+
+
+def test_database(servers, templates):
+    msg = dns.message.make_query("database.", "SOA")
+
+    # checking pre reload zone
+    res = isctest.query.tcp(msg, "10.53.0.1")
+    assert res.answer[0] == dns.rrset.from_text(
+        "database.",
+        86400,
+        "IN",
+        "SOA",
+        "localhost. hostmaster.isc.org. 0 28800 7200 604800 86400",
+    )
+
+    templates.render("ns1/named.conf", {"rname": "marka.isc.org."})
+    servers["ns1"].rndc("reload")
+
+    # checking post reload zone
+    res = isctest.query.tcp(msg, "10.53.0.1")
+    assert res.answer[0] == dns.rrset.from_text(
+        "database.",
+        86400,
+        "IN",
+        "SOA",
+        "localhost. marka.isc.org. 0 28800 7200 604800 86400",
+    )