diff --git a/api/tests/unit_tests/oss/__mock/aliyun_oss.py b/api/tests/unit_tests/oss/__mock/aliyun_oss.py
new file mode 100644
index 0000000000..27e1c0ad85
--- /dev/null
+++ b/api/tests/unit_tests/oss/__mock/aliyun_oss.py
@@ -0,0 +1,100 @@
+import os
+import posixpath
+from unittest.mock import MagicMock
+
+import pytest
+from _pytest.monkeypatch import MonkeyPatch
+from oss2 import Bucket
+from oss2.models import GetObjectResult, PutObjectResult
+
+from tests.unit_tests.oss.__mock.base import (
+    get_example_bucket,
+    get_example_data,
+    get_example_filename,
+    get_example_filepath,
+    get_example_folder,
+)
+
+
+class MockResponse:
+    def __init__(self, status, headers, request_id):
+        self.status = status
+        self.headers = headers
+        self.request_id = request_id
+
+
+class MockAliyunOssClass:
+    def __init__(
+        self,
+        auth,
+        endpoint,
+        bucket_name,
+        is_cname=False,
+        session=None,
+        connect_timeout=None,
+        app_name="",
+        enable_crc=True,
+        proxies=None,
+        region=None,
+        cloudbox_id=None,
+        is_path_style=False,
+        is_verify_object_strict=True,
+    ):
+        self.bucket_name = get_example_bucket()
+        self.key = posixpath.join(get_example_folder(), get_example_filename())
+        self.content = get_example_data()
+        self.filepath = get_example_filepath()
+        self.resp = MockResponse(
+            200,
+            {
+                "etag": "ee8de918d05640145b18f70f4c3aa602",
+                "x-oss-version-id": "CAEQNhiBgMDJgZCA0BYiIDc4MGZjZGI2OTBjOTRmNTE5NmU5NmFhZjhjYmY0****",
+            },
+            "request_id",
+        )
+
+    def put_object(self, key, data, headers=None, progress_callback=None):
+        assert key == self.key
+        assert data == self.content
+        return PutObjectResult(self.resp)
+
+    def get_object(self, key, byte_range=None, headers=None, progress_callback=None, process=None, params=None):
+        assert key == self.key
+
+        get_object_output = MagicMock(GetObjectResult)
+        get_object_output.read.return_value = self.content
+        return get_object_output
+
+    def get_object_to_file(
+        self, key, filename, byte_range=None, headers=None, progress_callback=None, process=None, params=None
+    ):
+        assert key == self.key
+        assert filename == self.filepath
+
+    def object_exists(self, key, headers=None):
+        assert key == self.key
+        return True
+
+    def delete_object(self, key, params=None, headers=None):
+        assert key == self.key
+        self.resp.headers["x-oss-delete-marker"] = True
+        return self.resp
+
+
+MOCK = os.getenv("MOCK_SWITCH", "false").lower() == "true"
+
+
+@pytest.fixture
+def setup_aliyun_oss_mock(monkeypatch: MonkeyPatch):
+    if MOCK:
+        monkeypatch.setattr(Bucket, "__init__", MockAliyunOssClass.__init__)
+        monkeypatch.setattr(Bucket, "put_object", MockAliyunOssClass.put_object)
+        monkeypatch.setattr(Bucket, "get_object", MockAliyunOssClass.get_object)
+        monkeypatch.setattr(Bucket, "get_object_to_file", MockAliyunOssClass.get_object_to_file)
+        monkeypatch.setattr(Bucket, "object_exists", MockAliyunOssClass.object_exists)
+        monkeypatch.setattr(Bucket, "delete_object", MockAliyunOssClass.delete_object)
+
+    yield
+
+    if MOCK:
+        monkeypatch.undo()
diff --git a/api/tests/unit_tests/oss/aliyun_oss/aliyun_oss/__init__.py b/api/tests/unit_tests/oss/aliyun_oss/aliyun_oss/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/api/tests/unit_tests/oss/aliyun_oss/aliyun_oss/test_aliyun_oss.py b/api/tests/unit_tests/oss/aliyun_oss/aliyun_oss/test_aliyun_oss.py
new file mode 100644
index 0000000000..65d31352bd
--- /dev/null
+++ b/api/tests/unit_tests/oss/aliyun_oss/aliyun_oss/test_aliyun_oss.py
@@ -0,0 +1,22 @@
+from unittest.mock import MagicMock, patch
+
+import pytest
+from oss2 import Auth
+
+from extensions.storage.aliyun_oss_storage import AliyunOssStorage
+from tests.unit_tests.oss.__mock.aliyun_oss import setup_aliyun_oss_mock
+from tests.unit_tests.oss.__mock.base import (
+    BaseStorageTest,
+    get_example_bucket,
+    get_example_folder,
+)
+
+
+class TestAliyunOss(BaseStorageTest):
+    @pytest.fixture(autouse=True)
+    def setup_method(self, setup_aliyun_oss_mock):
+        """Executed before each test method."""
+        with patch.object(Auth, "__init__", return_value=None):
+            self.storage = AliyunOssStorage()
+        self.storage.bucket_name = get_example_bucket()
+        self.storage.folder = get_example_folder()