From 4ad5cd436f1082ef5416c03a54730e710cc4441c Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Sat, 27 Jun 2020 22:46:00 +0200
Subject: interfaces: wwan: initial testcase

---
 scripts/cli/test_interfaces_wirelessmodem.py | 84 ++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100755 scripts/cli/test_interfaces_wirelessmodem.py

diff --git a/scripts/cli/test_interfaces_wirelessmodem.py b/scripts/cli/test_interfaces_wirelessmodem.py
new file mode 100755
index 000000000..baacb8c66
--- /dev/null
+++ b/scripts/cli/test_interfaces_wirelessmodem.py
@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 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 re
+import os
+import unittest
+
+from psutil import process_iter
+from vyos.configsession import ConfigSession, ConfigSessionError
+from vyos.util import read_file
+
+config_file = '/etc/ppp/peers/{}'
+base_path = ['interfaces', 'wirelessmodem']
+
+def get_config_value(interface, key):
+    with open(config_file.format(interface), 'r') as f:
+        for line in f:
+            if line.startswith(key):
+                return list(line.split())
+    return []
+
+class PPPoEInterfaceTest(unittest.TestCase):
+    def setUp(self):
+        self.session = ConfigSession(os.getpid())
+        self._interfaces = ['wlm0', 'wlm1']
+
+    def tearDown(self):
+        self.session.delete(base_path)
+        self.session.commit()
+        del self.session
+
+    def test_pppoe_1(self):
+        for interface in self._interfaces:
+            self.session.set(base_path + [interface, 'no-peer-dns'])
+            self.session.set(base_path + [interface, 'ondemand'])
+
+            # check validate() - APN must be configure
+            with self.assertRaises(ConfigSessionError):
+                self.session.commit()
+            self.session.set(base_path + [interface, 'apn', 'vyos.net'])
+
+            # check validate() - device must be configure
+            with self.assertRaises(ConfigSessionError):
+                self.session.commit()
+            self.session.set(base_path + [interface, 'device', 'ttyS0'])
+
+            # commit changes
+            self.session.commit()
+
+        # verify configuration file(s)
+        for interface in self._interfaces:
+            tmp = get_config_value(interface, 'ifname')[1]
+            self.assertTrue(interface in tmp)
+
+            tmp = get_config_value(interface, 'demand')[0]
+            self.assertTrue('demand' in tmp)
+
+            tmp = os.path.isfile(f'/etc/ppp/peers/chat.{interface}')
+            self.assertTrue(tmp)
+
+            # Check if ppp process is running in the interface in question
+            running = False
+            for p in process_iter():
+                if "pppd" in p.name():
+                    if interface in p.cmdline():
+                        running = True
+
+            self.assertTrue(running)
+
+if __name__ == '__main__':
+    unittest.main()
-- 
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