1 files changed, 52 insertions, 0 deletions
diff --git a/scripts/cli/test_system_nameserver.py b/scripts/cli/test_system_nameserver.py
new file mode 100644
index 000000000..591680c63
--- /dev/null
+++ b/scripts/cli/test_system_nameserver.py
@@ -0,0 +1,52 @@
+import os
+import re
+import unittest
+
+import vyos.config
+import vyos.configsession
+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 = vyos.configsession.ConfigSession(os.getpid())
+        env = self.session.get_session_env()
+        self.config = vyos.config.Config(session_env=env)
+
+        # Delete existing name servers
+        self.session.delete(base_path)
+        self.session.commit()
+
+    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()
+