update: format directory structure and extract universal file operation class

tests/metagpt/actions/test_write_tutorial.py

@@ -7,10 +7,9 @@
 """
 from typing import Dict
 
-import aiofiles
 import pytest
 
-from metagpt.actions.write_tutorial import WriteDirectory, WriteContent, SaveDocx
+from metagpt.actions.write_tutorial import WriteDirectory, WriteContent
 
 
 @pytest.mark.asyncio
@@ -27,6 +26,7 @@ async def test_write_directory(language: str, topic: str):
     assert len(ret["directory"])
     assert isinstance(ret["directory"][0], dict)
 
+
 @pytest.mark.asyncio
 @pytest.mark.parametrize(
     ("language", "topic", "directory"),
@@ -38,16 +38,3 @@ async def test_write_content(language: str, topic: str, directory: Dict):
     assert list(directory.keys())[0] in ret
     for value in list(directory.values())[0]:
         assert value in ret
-
-@pytest.mark.asyncio
-@pytest.mark.parametrize(
-    ("title", "content"),
-    [("Python", "Write a tutorial about Python")]
-)
-async def test_save_docx(title: str, content: str):
-    ret = await SaveDocx().run(title=title, content=content)
-    assert isinstance(ret, str)
-    assert title in ret
-    async with aiofiles.open(ret, mode="r") as reader:
-        body = await reader.read()
-        assert body == content

tests/metagpt/utils/test_file.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+# _*_ coding: utf-8 _*_
+"""
+@Time    : 2023/9/4 15:40:40
+@Author  : Stitch-z
+@File    : test_file.py
+"""
+from pathlib import Path
+
+import aiofiles
+import pytest
+
+from metagpt.utils.file import File
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(
+    ("root_path", "filename", "content"),
+    [(Path("/code/MetaGPT/data/tutorial_docx/2023-09-07_17-05-20"), "test.md", "Hello World!")]
+)
+async def test_write_file(root_path: Path, filename: str, content: bytes):
+    full_file_name = await File.write(root_path=root_path, filename=filename, content=content.encode('utf-8'))
+    assert isinstance(full_file_name, Path)
+    assert root_path / filename == full_file_name
+    async with aiofiles.open(full_file_name, mode="r") as reader:
+        body = await reader.read()
+        assert body == content