1 files changed, 66 insertions, 0 deletions
diff --git a/smoketest/scripts/cli/test_system_nameserver.py b/smoketest/scripts/cli/test_system_nameserver.py
new file mode 100755
index 000000000..9040be072
--- /dev/null
+++ b/smoketest/scripts/cli/test_system_nameserver.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019-2020 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import re
+import unittest
+
+from vyos.configsession import ConfigSession, ConfigSessionError
+import vyos.util as util
+
+RESOLV_CONF = '/etc/resolv.conf'
+
+test_servers = ['192.0.2.10', '2001:db8:1::100']
+base_path = ['system', 'name-server']
+
+def get_name_servers():
+    resolv_conf = util.read_file(RESOLV_CONF)
+    return re.findall(r'\n?nameserver\s+(.*)', resolv_conf)
+
+class TestSystemNameServer(unittest.TestCase):
+    def setUp(self):
+        self.session = ConfigSession(os.getpid())
+
+    def tearDown(self):
+        # Delete existing name servers
+        self.session.delete(base_path)
+        self.session.commit()
+
+        del self.session
+
+    def test_add_server(self):
+        """ Check if server is added to resolv.conf """
+        for s in test_servers:
+            self.session.set(base_path + [s])
+        self.session.commit()
+
+        servers = get_name_servers()
+        for s in servers:
+            self.assertTrue(s in servers)
+
+    def test_delete_server(self):
+        """ Test if a deleted server disappears from resolv.conf """
+        for s in test_servers:
+          self.session.delete(base_path + [s])
+        self.session.commit()
+
+        servers = get_name_servers()
+        for s in servers:
+            self.assertTrue(test_server_1 not in servers)
+
+if __name__ == '__main__':
+    unittest.main()
+