diff --git a/evennia/contrib/base_systems/godotwebsocket/test_webclient.py b/evennia/contrib/base_systems/godotwebsocket/test_webclient.py
new file mode 100644
index 0000000000..f06bf30ce7
--- /dev/null
+++ b/evennia/contrib/base_systems/godotwebsocket/test_webclient.py
@@ -0,0 +1,72 @@
+from evennia.contrib.base_systems.godotwebsocket.webclient import start_plugin_services
+from evennia.server.portal.amp_server import AMPServerFactory
+
+try:
+    from django.utils.unittest import TestCase
+except ImportError:
+    from django.test import TestCase
+
+try:
+    from django.utils import unittest
+except ImportError:
+    import unittest
+
+import json
+
+import mock
+from mock import MagicMock, Mock
+from twisted.internet.base import DelayedCall
+from twisted.test import proto_helpers
+
+import evennia
+from evennia.server.portal.portalsessionhandler import PortalSessionHandler
+from evennia.server.portal.service import EvenniaPortalService
+from evennia.utils.test_resources import BaseEvenniaTest
+from django.test import override_settings
+
+
+
+class TestWebSocket(BaseEvenniaTest):
+    @override_settings(GODOT_CLIENT_WEBSOCKET_CLIENT_INTERFACE="127.0.0.1", GODOT_CLIENT_WEBSOCKET_PORT='8988')
+    def setUp(self):
+        super().setUp()
+        self.portal = EvenniaPortalService()
+        evennia.EVENNIA_PORTAL_SERVICE = self.portal
+        self.amp_server_factory = AMPServerFactory(self.portal)
+        self.amp_server = self.amp_server_factory.buildProtocol("127.0.0.1")
+        start_plugin_services(self.portal)
+        godot_ws_service = next(srv for srv in self.portal.services if srv.name.startswith('GodotWebSocket'))
+
+        factory = godot_ws_service.args[1]
+        self.proto = factory.protocol()
+        self.proto.factory = factory
+
+        evennia.PORTAL_SESSION_HANDLER = PortalSessionHandler()
+        self.proto.factory.sessionhandler = evennia.PORTAL_SESSION_HANDLER
+        self.proto.sessionhandler = evennia.PORTAL_SESSION_HANDLER
+        self.proto.sessionhandler.portal = Mock()
+        self.proto.transport = proto_helpers.StringTransport()
+        # self.proto.transport = proto_helpers.FakeDatagramTransport()
+        self.proto.transport.client = ["localhost"]
+        self.proto.transport.setTcpKeepAlive = Mock()
+        self.proto.state = MagicMock()
+        self.addCleanup(self.proto.factory.sessionhandler.disconnect_all)
+        DelayedCall.debug = True
+
+    @mock.patch("evennia.server.portal.portalsessionhandler.reactor", new=MagicMock())
+    def test_data_in(self):
+        self.proto.sessionhandler.data_in = MagicMock()
+        self.proto.onOpen()
+        msg = json.dumps(["logged_in", (), {}]).encode()
+        self.proto.onMessage(msg, isBinary=False)
+        self.proto.sessionhandler.data_in.assert_called_with(self.proto, logged_in=[[], {}])
+        msg = json.dumps(["text", ("|rRed Text|n",), {}]).encode()
+        self.proto.onMessage(msg, isBinary=False)
+        self.proto.sessionhandler.data_in.assert_called_with(self.proto, text=[["|rRed Text|n"], {}])
+
+    @mock.patch("evennia.server.portal.portalsessionhandler.reactor", new=MagicMock())
+    def test_data_out(self):
+        self.proto.onOpen()
+        self.proto.sendLine = MagicMock()
+        self.proto.sessionhandler.data_out(self.proto, text=[["|rRed Text|n"], {}])
+        self.proto.sendLine.assert_called_with(json.dumps(["text", ["[color=#ff0000]Red Text[/color]"], {}]))
diff --git a/evennia/contrib/base_systems/godotwebsocket/webclient.py b/evennia/contrib/base_systems/godotwebsocket/webclient.py
index 8e8f02958b..3e77800abd 100644
--- a/evennia/contrib/base_systems/godotwebsocket/webclient.py
+++ b/evennia/contrib/base_systems/godotwebsocket/webclient.py
@@ -78,4 +78,4 @@ def start_plugin_services(portal):
     port = settings.GODOT_CLIENT_WEBSOCKET_PORT
     websocket_service = internet.TCPServer(port, factory, interface=interface)
     websocket_service.setName("GodotWebSocket%s:%s" % (interface, port))
-    portal.services.addService(websocket_service)
+    portal.addService(websocket_service)