From 077532cc96a971d09b5cb560bc23f5aa6079c53c Mon Sep 17 00:00:00 2001
From: mrbean-bremen <hansemrbean@googlemail.com>
Date: Tue, 10 Dec 2024 20:56:10 +0100
Subject: [PATCH] Make sure tempfile is patched after resume

- fixes #1098 (regression in version 5.7.2)
---
 CHANGES.md                                  | 6 ++++++
 pyfakefs/fake_filesystem_unittest.py        | 1 +
 pyfakefs/pytest_tests/pytest_plugin_test.py | 8 ++++++++
 3 files changed, 15 insertions(+)

diff --git a/CHANGES.md b/CHANGES.md
index 521fb7cc..18673032 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -12,6 +12,12 @@ The released versions correspond to PyPI releases.
 * the default for `FakeFilesystem.shuffle_listdir_results` will change to `True` to reflect
   the real filesystem behavior
 
+## Unreleased
+
+### Fixes
+* fixed a regression in version 5.7.2 that `tempfile` was not patched after pause/resume
+  (POSIX only, see [#1098](../../issues/1098))
+
 ## [Version 5.7.2](https://pypi.python.org/pypi/pyfakefs/5.7.2) (2024-12-01)
 Fixes some problems with patching.
 
diff --git a/pyfakefs/fake_filesystem_unittest.py b/pyfakefs/fake_filesystem_unittest.py
index f272cefd..7730df2d 100644
--- a/pyfakefs/fake_filesystem_unittest.py
+++ b/pyfakefs/fake_filesystem_unittest.py
@@ -125,6 +125,7 @@ def stop_patching(self):
             tempfile._TemporaryFileCloser.close = self.tempfile_cleanup  # type: ignore[module-attr]
         else:
             tempfile._TemporaryFileCloser.cleanup = self.tempfile_cleanup  # type: ignore[module-attr]
+        self.tempfile_cleanup = None
         # reset the cached tempdir in tempfile
         tempfile.tempdir = None
 
diff --git a/pyfakefs/pytest_tests/pytest_plugin_test.py b/pyfakefs/pytest_tests/pytest_plugin_test.py
index 22aa37c0..6a4b963b 100644
--- a/pyfakefs/pytest_tests/pytest_plugin_test.py
+++ b/pyfakefs/pytest_tests/pytest_plugin_test.py
@@ -55,6 +55,14 @@ def test_pause_resume_contextmanager(fs):
     assert os.path.exists(fake_temp_file.name)
 
 
+def test_that_tempfile_is_patched_after_resume(fs):
+    """Regression test for #1098"""
+    fs.pause()
+    fs.resume()
+    with tempfile.NamedTemporaryFile():
+        pass
+
+
 def test_use_own_io_module(fs):
     filepath = "foo.txt"
     with open(filepath, "w") as f: