[tests] Added OpenVPN transport prefix coverage

requirements.txt

@@ -1,5 +1,5 @@
 requests<3.0
 libcnml<0.10.0
-openvpn-status-reader>=0.3,<0.4
+openvpn-status-reader @ https://github.com/openwisp/openvpn-status-reader/archive/refs/heads/fix/openvpn-status-peer-prefixes.tar.gz
 networkx>=3.6.1,<3.7
 telnetlib3>=5.0.1,<6

tests/static/openvpn-transport-prefixes.txt

@@ -0,0 +1,16 @@
+OpenVPN CLIENT LIST
+Updated,2026-10-24 12:00:00
+Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since
+udp4-client,udp4:181.126.36.3:1194,1,2,2026-10-24 11:00:00
+tcp4-client,tcp4:181.126.36.4:1194,3,4,2026-10-24 11:01:00
+udp6-client,udp6:[2001:db8::3]:1194,5,6,2026-10-24 11:02:00
+tcp6-client,tcp6:[2001:db8::4]:1194,7,8,2026-10-24 11:03:00
+ROUTING TABLE
+Virtual Address,Common Name,Real Address,Last Ref
+10.0.0.3,udp4-client,udp4:181.126.36.3:1194,2026-10-24 11:00:01
+10.0.0.4,tcp4-client,tcp4:181.126.36.4:1194,2026-10-24 11:01:01
+2001:db8:1::3,udp6-client,udp6:[2001:db8::3]:1194,2026-10-24 11:02:01
+2001:db8:1::4,tcp6-client,tcp6:[2001:db8::4]:1194,2026-10-24 11:03:01
+GLOBAL STATS
+Max bcast/mcast queue length,0
+END

tests/test_openvpn.py

@@ -12,6 +12,9 @@
 links5_tap = open("{0}/static/openvpn-5-links-tap.txt".format(CURRENT_DIR)).read()
 bug = open("{0}/static/openvpn-bug.txt".format(CURRENT_DIR)).read()
 special_case = open("{0}/static/openvpn-special-case.txt".format(CURRENT_DIR)).read()
+transport_prefixes = open(
+    "{0}/static/openvpn-transport-prefixes.txt".format(CURRENT_DIR)
+).read()
 
 
 class TestOpenvpnParser(TestCase):
@@ -91,6 +94,25 @@ def test_empty_dict(self):
     def test_empty_string(self):
         OpenvpnParser(data="")
 
+    def test_transport_prefixed_peers(self):
+        data = OpenvpnParser(transport_prefixes).json(dict=True)
+        nodes = {
+            node["properties"]["common_name"]: node
+            for node in data["nodes"]
+            if "common_name" in node["properties"]
+        }
+
+        for common_name, address, port in [
+            ("udp4-client", "181.126.36.3", 1194),
+            ("tcp4-client", "181.126.36.4", 1194),
+            ("udp6-client", "2001:db8::3", 1194),
+            ("tcp6-client", "2001:db8::4", 1194),
+        ]:
+            with self.subTest(common_name=common_name):
+                properties = nodes[common_name]["properties"]
+                self.assertEqual(properties["real_address"], address)
+                self.assertEqual(properties["port"], port)
+
     def test_label_diff_added(self):
         old = OpenvpnParser({})
         new = OpenvpnParser(links5_tap)