test unreachable stats.

Author: steenzout

tests/plugins/callback/idempotence.py

@@ -16,6 +16,10 @@ def playbook_on_stats(self, stats):
 
         if (u'%s' % VAR_IDEMPOTENCE) in self.playbook.extra_vars.keys() and self.playbook.extra_vars[VAR_IDEMPOTENCE]:
 
+            if len(stats.unreachable) > 0:
+                print ('idempotence test failed! unreachable=%s > 0') % stats.unreachable
+                sys.exit(os.EX_SOFTWARE)
+
             if len(stats.changed) > 0:
                 print ('idempotence test failed! changed=%s > 0') % stats.changed
                 sys.exit(os.EX_SOFTWARE)