fix up units

test/units/mock/procenv.py

@@ -22,8 +22,9 @@ import sys
 import json
 
 from contextlib import contextmanager
-from io import BytesIO, StringIO
+from io import BytesIO, TextIOWrapper
 import unittest
+from unittest.mock import patch
 from ansible.module_utils.common.text.converters import to_bytes
 
 
@@ -35,14 +36,13 @@ def swap_stdin_and_argv(stdin_data='', argv_data=tuple()):
     real_stdin = sys.stdin
     real_argv = sys.argv
 
-    fake_stream = StringIO(stdin_data)
+    fake_stream = TextIOWrapper(BytesIO(to_bytes(stdin_data)))
-    fake_stream.buffer = BytesIO(to_bytes(stdin_data))
 
     try:
         sys.stdin = fake_stream
         sys.argv = argv_data
-
+        with patch('select.select', return_value=([sys.stdin], [], [])):
-        yield
+            yield
     finally:
         sys.stdin = real_stdin
         sys.argv = real_argv

test/units/module_utils/conftest.py

@@ -5,7 +5,7 @@ from __future__ import annotations
 
 import json
 import sys
-from io import BytesIO
+from io import BytesIO, TextIOWrapper
 
 import pytest
 
@@ -34,10 +34,11 @@ def stdin(mocker, request):
     else:
         raise Exception('Malformed data to the stdin pytest fixture')
 
-    fake_stdin = BytesIO(to_bytes(args, errors='surrogate_or_strict'))
+    fake_stdin = TextIOWrapper(BytesIO(to_bytes(args, errors='surrogate_or_strict')))
 
-    mocker.patch('ansible.module_utils.basic.sys.stdin', mocker.MagicMock())
+    mocker.patch('ansible.module_utils.basic.sys.stdin', fake_stdin)
-    mocker.patch('ansible.module_utils.basic.sys.stdin.buffer', fake_stdin)
+
+    mocker.patch('select.select', return_value=([fake_stdin], [], []))
 
     yield fake_stdin