From 23556fb3dcb37074020494df40fb4495d47e7efe Mon Sep 17 00:00:00 2001
From: Miguel Grinberg <miguel.grinberg@gmail.com>
Date: Mon, 29 Sep 2025 07:32:12 +0100
Subject: [PATCH] Fixed transport property of the simple clients to be a string
 as documented (Fixes #1499)

---
 src/socketio/async_simple_client.py | 2 +-
 src/socketio/simple_client.py       | 2 +-
 tests/async/test_simple_client.py   | 2 +-
 tests/common/test_simple_client.py  | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/socketio/async_simple_client.py b/src/socketio/async_simple_client.py
index adac6ea..6142522 100644
--- a/src/socketio/async_simple_client.py
+++ b/src/socketio/async_simple_client.py
@@ -105,7 +105,7 @@ class AsyncSimpleClient:
         The transport is returned as a string and can be one of ``polling``
         and ``websocket``.
         """
-        return self.client.transport if self.client else ''
+        return self.client.transport() if self.client else ''
 
     async def emit(self, event, data=None):
         """Emit an event to the server.
diff --git a/src/socketio/simple_client.py b/src/socketio/simple_client.py
index 3f046b4..9bc5390 100644
--- a/src/socketio/simple_client.py
+++ b/src/socketio/simple_client.py
@@ -103,7 +103,7 @@ class SimpleClient:
         The transport is returned as a string and can be one of ``polling``
         and ``websocket``.
         """
-        return self.client.transport if self.client else ''
+        return self.client.transport() if self.client else ''
 
     def emit(self, event, data=None):
         """Emit an event to the server.
diff --git a/tests/async/test_simple_client.py b/tests/async/test_simple_client.py
index bfe2a90..0f3e504 100644
--- a/tests/async/test_simple_client.py
+++ b/tests/async/test_simple_client.py
@@ -72,7 +72,7 @@ class TestAsyncAsyncSimpleClient:
 
     async def test_properties(self):
         client = AsyncSimpleClient()
-        client.client = mock.MagicMock(transport='websocket')
+        client.client = mock.MagicMock(transport=lambda: 'websocket')
         client.client.get_sid.return_value = 'sid'
         client.connected_event.set()
         client.connected = True
diff --git a/tests/common/test_simple_client.py b/tests/common/test_simple_client.py
index b17afbc..6adcb38 100644
--- a/tests/common/test_simple_client.py
+++ b/tests/common/test_simple_client.py
@@ -64,7 +64,7 @@ class TestSimpleClient:
 
     def test_properties(self):
         client = SimpleClient()
-        client.client = mock.MagicMock(transport='websocket')
+        client.client = mock.MagicMock(transport=lambda: 'websocket')
         client.client.get_sid.return_value = 'sid'
         client.connected_event.set()
         client.connected = True