[v9_10] add JSON and XML tests

4161.	[test]		Test for consistency between "rndc stats" and the
			XML and JSON statistics channel contents. [RT #38700]

bin/tests/system/statschannel/server-xml.pl

@@ -0,0 +1,28 @@
+#!/usr/bin/perl
+#
+# Copyright (C) 2015  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# server-xml.pl:
+# Parses the XML version of the server stats into a normalized format.
+
+use XML::Simple;
+
+my $ref = XMLin("xml.stats");
+my $counters = $ref->{server}->{counters};
+foreach $group (@$counters) {
+    foreach $key (keys $group->{counter}) {
+        print $group->{type} . " " . $key . ": ". $group->{counter}->{$key}->{content} . "\n";
+    }
+}