test: fuzz test base on intergration

test/app_fuzz_normal.py

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+import sqlite3
+import pytest
+import atheris
+
+from unittest.mock import patch
+from linebot import WebhookHandler
+from linebot.v3.messaging import TextMessage, ReplyMessageRequest
+
+from mock_obj import mock_message_event, mock_source, mock_message, mock_configparser
+
+import sys
+sys.path.append('..')
+
+MagicMock = patch('configparser.ConfigParser', side_effect=mock_configparser)
+MagicMock.start()
+
+from main import handle_message
+from models import Record, User
+import random
+import string
+
+
+@atheris.instrument_func
+@patch('main.ApiClient')
+def fuzz_handle_message(data, mock_api_client):
+    line_user_id = atheris.FuzzedDataProvider(data).ConsumeString(sys.maxsize)
+    message_text = atheris.FuzzedDataProvider(data).ConsumeString(sys.maxsize)
+
+    reply_token_id = 'test_reply_token_id'
+    mock_event = mock_message_event(
+        reply_token = reply_token_id,
+        type = 'message',
+        source = mock_source(type='user', group_id=None, user_id=line_user_id),
+        message = mock_message(text=message_text)
+    )
+
+    with patch('main.MessagingApi') as mock_messaging_api:
+        try:
+            returned_reply_message_request = handle_message(mock_event)
+        except UnicodeEncodeError:
+            pass
+
+
+@atheris.instrument_func
+def TestOneInput(data):
+    fuzz_handle_message(data)
+
+atheris.Setup(sys.argv, TestOneInput)
+atheris.Fuzz()