Refactor directory service to include default path handling in get_content_by_path method

Author: xuwenyihust

server/app/services/directory.py

@@ -17,6 +17,8 @@ def get_content_by_path(path: str = None):
     jupyter_api_path = app.config['JUPYTER_API_PATH']
     jupyter_default_path = app.config['JUPYTER_DEFAULT_PATH']
 
+    if path is None:
+      path = jupyter_default_path
     path = f"{jupyter_api_path}/{path}"
     response = requests.get(path)
 

server/tests/services/test_notebook_service.py

@@ -60,7 +60,7 @@ def test_create_and_get_notebook(self):
 
       self.assertTrue(notebook_name_1.startswith('notebook_'))
       self.assertTrue(notebook_name_1.endswith('.ipynb'))
-      self.assertEquals('work/' + notebook_name_1, notebook_path_1)
+      self.assertEqual('work/' + notebook_name_1, notebook_path_1)
 
       get_response_1 = Notebook.get_notebook_by_path(notebook_path=notebook_path_1)
       notebook_1 = get_response_1[0]