Adding upstream version 2.2.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

test/test-avahi.py

@@ -0,0 +1,41 @@
+#!/usr/bin/python3
+import shutil
+import logging
+import unittest
+from staslib import avahi
+import dasbus.connection
+import subprocess
+
+SYSTEMCTL = shutil.which('systemctl')
+
+
+class Test(unittest.TestCase):
+    '''Unit tests for class Avahi'''
+
+    def test_new(self):
+        sysbus = dasbus.connection.SystemMessageBus()
+        srv = avahi.Avahi(sysbus, lambda: "ok")
+        self.assertEqual(srv.info(), {'avahi wake up timer': '60.0s [off]', 'service types': [], 'services': {}})
+        self.assertEqual(srv.get_controllers(), [])
+
+        try:
+            # Check that the Avahi daemon is running
+            subprocess.run([SYSTEMCTL, 'is-active', 'avahi-daemon.service'], check=True)
+            self.assertFalse(srv._on_kick_avahi())
+        except subprocess.CalledProcessError:
+            self.assertTrue(srv._on_kick_avahi())
+
+        with self.assertLogs(logger=logging.getLogger(), level='INFO') as captured:
+            srv._avahi_available(None)
+        self.assertEqual(len(captured.records), 1)
+        self.assertEqual(captured.records[0].getMessage(), "avahi-daemon service available, zeroconf supported.")
+        with self.assertLogs(logger=logging.getLogger(), level='WARN') as captured:
+            srv._avahi_unavailable(None)
+        self.assertEqual(len(captured.records), 1)
+        self.assertEqual(captured.records[0].getMessage(), "avahi-daemon not available, zeroconf not supported.")
+        srv.kill()
+        self.assertEqual(srv.info(), {'avahi wake up timer': 'None', 'service types': [], 'services': {}})
+
+
+if __name__ == '__main__':
+    unittest.main()