diff --git a/test/utils/test_session.py b/test/utils/test_session.py
new file mode 100644
index 0000000000..79efd8cb56
--- /dev/null
+++ b/test/utils/test_session.py
@@ -0,0 +1,82 @@
+from unittest.mock import patch, Mock
+
+import pytest
+import requests
+from huggingface_hub import hf_hub_url
+from requests.adapters import HTTPAdapter
+
+from hfutils.utils.session import TimeoutHTTPAdapter, get_requests_session, get_random_ua
+
+
+@pytest.fixture
+def mock_requests_session():
+    with patch('requests.session') as mock_session:
+        yield mock_session.return_value
+
+
+@pytest.fixture
+def mock_ua_pool():
+    with patch('hfutils.utils.session._ua_pool') as mock_pool:
+        mock_pool.return_value.get_random_user_agent.return_value = 'MockUserAgent'
+        yield mock_pool
+
+
+@pytest.fixture()
+def example_url():
+    return hf_hub_url(
+        repo_id='deepghs/danbooru_newest',
+        repo_type='dataset',
+        filename='README.md'
+    )
+
+
+@pytest.mark.unittest
+class TestUtilsSession:
+    def test_timeout_http_adapter_init(self, ):
+        adapter = TimeoutHTTPAdapter()
+        assert adapter.timeout == 15
+
+        adapter = TimeoutHTTPAdapter(timeout=30)
+        assert adapter.timeout == 30
+
+    def test_timeout_http_adapter_send(self, ):
+        adapter = TimeoutHTTPAdapter(timeout=10)
+        mock_request = Mock()
+        mock_kwargs = {}
+
+        with patch.object(HTTPAdapter, 'send') as mock_send:
+            adapter.send(mock_request, **mock_kwargs)
+            mock_send.assert_called_once_with(mock_request, timeout=10)
+
+        mock_kwargs = {'timeout': 20}
+        with patch.object(HTTPAdapter, 'send') as mock_send:
+            adapter.send(mock_request, **mock_kwargs)
+            mock_send.assert_called_once_with(mock_request, timeout=20)
+
+    def test_get_requests_session(self, mock_ua_pool):
+        session = get_requests_session()
+        assert isinstance(session, requests.Session)
+        assert 'User-Agent' in session.headers
+        assert session.headers['User-Agent'] == 'MockUserAgent'
+
+        custom_headers = {'Custom-Header': 'Value'}
+        session = get_requests_session(headers=custom_headers)
+        assert 'Custom-Header' in session.headers
+        assert session.headers['Custom-Header'] == 'Value'
+
+        session = get_requests_session(verify=False)
+        assert session.verify is False
+
+        existing_session = requests.Session()
+        session = get_requests_session(session=existing_session)
+        assert session is existing_session
+
+    def test_get_requests_session_with_custom_params(self):
+        session = get_requests_session(max_retries=3, timeout=30)
+        assert isinstance(session, requests.Session)
+        # You might want to add more assertions here to check if the custom parameters are applied correctly
+
+    def test_get_random_ua(self, mock_ua_pool):
+        ua = get_random_ua()
+        assert ua == 'MockUserAgent'
+        mock_ua_pool.return_value.get_random_user_agent.assert_called_once()