[tor-commits] [ooni-probe/master] Add check on equality of control and experiment DNS responses

[art at torproject.org]

commit 6a4ed0161a961daaaccfd8b082a7328683f3b2fc
Author: Arturo Filastò <arturo at filasto.net>
Date:   Fri Apr 15 00:05:07 2016 +0200

    Add check on equality of control and experiment DNS responses
---
 ooni/nettests/blocking/web_connectivity.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ooni/nettests/blocking/web_connectivity.py b/ooni/nettests/blocking/web_connectivity.py
index 320f614..175c6d3 100644
--- a/ooni/nettests/blocking/web_connectivity.py
+++ b/ooni/nettests/blocking/web_connectivity.py
@@ -228,6 +228,10 @@ class WebConnectivityTest(httpt.HTTPTest, dnst.DNSTest):
         control_ips = set(self.control['dns']['ips'])
         experiment_ips = set(experiment_dns_answers)
 
+        if control_ips == experiment_ips:
+            self.report['dns_consistency'] = 'consistent'
+            return True
+
         for experiment_ip in experiment_ips:
             if is_public_ipv4_address(experiment_ip) is False:
                 self.report['dns_consistency'] = 'inconsistent'