test: offline ping

tests/test_offline_ping.py

@@ -0,0 +1,35 @@
+import time
+from struct import unpack
+
+from raknet import RakPeer, MessageIdentifiers
+
+
+def test_unconnected_ping():
+    server = RakPeer()
+    server.max_incoming_connections = 10
+    server.offline_ping_response = b"Ping, Pong!"
+    assert server.offline_ping_response == b"Ping, Pong!"
+    server.startup()
+    server_addr = server.get_bound_address()
+
+    client = RakPeer()
+    client.startup()
+
+    timeout = time.time() + 5
+    while time.time() < timeout:
+        client.ping(server_addr.host, server_addr.port)
+
+        packet = client.receive()
+        if packet is None:
+            continue
+        if packet.data[0] == MessageIdentifiers.ID_UNCONNECTED_PONG:
+            ping_time = unpack(">I", packet.data[1:5])[0]
+            response = packet.data[5:]
+            assert response == server.offline_ping_response
+            print(ping_time, response)
+            client.shutdown(1)
+            return
+
+        time.sleep(0.5)
+
+    assert False, "Ping remote server timed out"