diff --git a/src/dailyai/services/daily_transport_service.py b/src/dailyai/services/daily_transport_service.py
index e3dd5abde..828067353 100644
--- a/src/dailyai/services/daily_transport_service.py
+++ b/src/dailyai/services/daily_transport_service.py
@@ -2,14 +2,13 @@ import asyncio
 import inspect
 import itertools
 import logging
-import sys
 import threading
 import time
 import types
 
 from functools import partial
 from queue import Queue, Empty
-from typing import AsyncGenerator, Iterable
+from typing import AsyncGenerator
 
 from dailyai.queue_frame import (
     AudioQueueFrame,
diff --git a/src/dailyai/tests/test_ai_services.py b/src/dailyai/tests/test_ai_services.py
index 28423515b..88a1b50a0 100644
--- a/src/dailyai/tests/test_ai_services.py
+++ b/src/dailyai/tests/test_ai_services.py
@@ -1,4 +1,3 @@
-from re import A
 import unittest
 
 from typing import AsyncGenerator, Generator
diff --git a/src/dailyai/tests/test_daily_transport_service.py b/src/dailyai/tests/test_daily_transport_service.py
new file mode 100644
index 000000000..47ad6ac37
--- /dev/null
+++ b/src/dailyai/tests/test_daily_transport_service.py
@@ -0,0 +1,76 @@
+import asyncio
+import unittest
+
+from unittest.mock import MagicMock, patch
+
+from dailyai.queue_frame import AudioQueueFrame, ImageQueueFrame
+
+
+class TestDailyTransport(unittest.IsolatedAsyncioTestCase):
+
+    async def test_event_handler(self):
+        from dailyai.services.daily_transport_service import DailyTransportService
+
+        transport = DailyTransportService("mock.daily.co/mock", "token", "bot")
+
+        was_called = False
+
+        @transport.event_handler("on_first_other_participant_joined")
+        def test_event_handler(transport):
+            nonlocal was_called
+            was_called = True
+
+        transport.on_first_other_participant_joined()
+
+        self.assertTrue(was_called)
+
+    async def test_event_handler_async(self):
+        from dailyai.services.daily_transport_service import DailyTransportService
+
+        transport = DailyTransportService("mock.daily.co/mock", "token", "bot")
+
+        event = asyncio.Event()
+
+        @transport.event_handler("on_first_other_participant_joined")
+        async def test_event_handler(transport):
+            nonlocal event
+            await asyncio.sleep(0.1)
+            event.set()
+
+        transport.on_first_other_participant_joined()
+
+        await asyncio.wait_for(event.wait(), timeout=1)
+        self.assertTrue(event.is_set())
+
+    @patch("dailyai.services.daily_transport_service.CallClient")
+    @patch("dailyai.services.daily_transport_service.Daily")
+    async def test_run_with_camera_and_mic(self, daily_mock, callclient_mock):
+        from dailyai.services.daily_transport_service import DailyTransportService
+        transport = DailyTransportService("https://mock.daily.co/mock", "token", "bot", 0.01)
+        transport.mic_enabled = True
+        transport.camera_enabled = True
+
+        mic = MagicMock()
+        camera = MagicMock()
+        daily_mock.create_microphone_device.return_value = mic
+        daily_mock.create_camera_device.return_value = camera
+
+        async def send_audio_frame():
+            await transport.send_queue.put(AudioQueueFrame(bytes([0] * 3300)))
+
+        async def send_video_frame():
+            await transport.send_queue.put(ImageQueueFrame(None, b"test"))
+
+        await asyncio.gather(transport.run(), send_audio_frame(), send_video_frame())
+
+        daily_mock.init.assert_called_once_with()
+        daily_mock.create_microphone_device.assert_called_once()
+        daily_mock.create_camera_device.assert_called_once()
+
+        callclient_mock.return_value.set_user_name.assert_called_once_with("bot")
+        callclient_mock.return_value.join.assert_called_once_with(
+            "https://mock.daily.co/mock", "token", completion=transport.call_joined
+        )
+
+        camera.write_frame.assert_called_with(b"test")
+        mic.write_frames.assert_called()