diff --git a/src/open_source_python_template/crawlTasks.py b/src/open_source_python_template/crawlTasks.py
index abaebea..32ea0cb 100644
--- a/src/open_source_python_template/crawlTasks.py
+++ b/src/open_source_python_template/crawlTasks.py
@@ -18,9 +18,7 @@ def get_tasks():
         if creds and creds.expired and creds.refresh_token:
             creds.refresh(Request())
         else:
-            flow = InstalledAppFlow.from_client_secrets_file(
-                "src/open_source_python_template/credential.json", SCOPES
-            )
+            flow = InstalledAppFlow.from_client_secrets_file("credential.json", SCOPES)
             creds = flow.run_local_server(port=0)
             with open("token.json", "w") as token:
                 token.write(creds.to_json())
diff --git a/tests/test_crawl_tasks.py b/tests/test_crawl_tasks.py
new file mode 100644
index 0000000..36990e7
--- /dev/null
+++ b/tests/test_crawl_tasks.py
@@ -0,0 +1,89 @@
+from src.open_source_python_template.crawlTasks import get_tasks
+from unittest.mock import patch, mock_open, MagicMock
+
+# Sample data for mocking responses
+MOCK_TASKS = {
+    "items": [
+        {
+            "title": "Task 1",
+            "id": "1",
+            "tasklist_id": "tl1",
+            "tasklist_title": "TaskList 1",
+        }
+    ]
+}
+
+MOCK_TASKLISTS = {"items": [{"title": "TaskList 1", "id": "tl1"}]}
+
+
+def test_get_tasks_existing_token_valid():
+    with (
+        patch("os.path.exists", return_value=True),
+        patch(
+            "google.oauth2.credentials.Credentials.from_authorized_user_file"
+        ) as mock_cred,
+        patch("googleapiclient.discovery.build") as mock_build,
+    ):
+        mock_cred.return_value.valid = True
+        mock_cred.return_value.universe_domain = "googleapis.com"
+
+        mock_service = MagicMock()
+        mock_build.return_value = mock_service
+        mock_cred.return_value.valid = True
+
+        mock_service = MagicMock()
+        mock_build.return_value = mock_service
+        mock_service.tasklists().list().execute.return_value = MOCK_TASKLISTS
+        mock_service.tasks().list().execute.return_value = MOCK_TASKS
+
+        results = get_tasks()
+
+        assert len(results) == 1
+        assert results[0]["title"] == "Task 1"
+
+
+def test_get_tasks_existing_token_expired():
+    with (
+        patch("os.path.exists", return_value=True),
+        patch(
+            "google.oauth2.credentials.Credentials.from_authorized_user_file"
+        ) as mock_cred,
+        patch("google.auth.transport.requests.Request"),
+        patch("googleapiclient.discovery.build") as mock_build,
+        patch("builtins.open", mock_open()),
+    ):
+        mock_cred.return_value.valid = False
+        mock_cred.return_value.expired = True
+        mock_cred.return_value.refresh_token = True
+
+        def refresh(request):
+            mock_cred.return_value.valid = True
+
+        mock_cred.return_value.refresh = refresh
+
+        mock_service = mock_build.return_value
+        mock_service.tasklists().list().execute.return_value = MOCK_TASKLISTS
+        mock_service.tasks().list().execute.return_value = MOCK_TASKS
+
+        results = get_tasks()
+
+        assert len(results) == 1
+        assert results[0]["title"] == "Task 1"
+
+
+def test_get_tasks_no_tasklists():
+    with (
+        patch("os.path.exists", return_value=True),
+        patch(
+            "google.oauth2.credentials.Credentials.from_authorized_user_file"
+        ) as mock_cred,
+        patch("googleapiclient.discovery.build") as mock_build,
+    ):
+        mock_cred.return_value.valid = True
+
+        mock_service = mock_build.return_value
+        mock_service.tasklists().list().execute.return_value = {"items": []}
+
+        results = get_tasks()
+
+        assert results == []