[3.6] bpo-31457: Make the `LoggerAdapter.manager` property settable (GH-4042) (#4043)

Due to a bug in the initial fix, the setter was in fact creating a different
property.  This is now fixed.
(cherry picked from commit 0b6a118a45ac2eded1348fea6ed300d5651f7471)

1 files changed, 14 insertions, 1 deletions

diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 25046c3..f0e2437 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -3959,12 +3959,25 @@ class LoggerAdapterTest(unittest.TestCase):
         msg = 'Adapters can be nested, yo.'
         adapter_adapter = logging.LoggerAdapter(logger=self.adapter, extra=None)
         adapter_adapter.log(logging.CRITICAL, msg, self.recording)
-
         self.assertEqual(len(self.recording.records), 1)
         record = self.recording.records[0]
         self.assertEqual(record.levelno, logging.CRITICAL)
         self.assertEqual(record.msg, msg)
         self.assertEqual(record.args, (self.recording,))
+        orig_manager = adapter_adapter.manager
+        self.assertIs(self.adapter.manager, orig_manager)
+        self.assertIs(self.logger.manager, orig_manager)
+        temp_manager = object()
+        try:
+            adapter_adapter.manager = temp_manager
+            self.assertIs(adapter_adapter.manager, temp_manager)
+            self.assertIs(self.adapter.manager, temp_manager)
+            self.assertIs(self.logger.manager, temp_manager)
+        finally:
+            adapter_adapter.manager = orig_manager
+        self.assertIs(adapter_adapter.manager, orig_manager)
+        self.assertIs(self.adapter.manager, orig_manager)
+        self.assertIs(self.logger.manager, orig_manager)
 
 
 class LoggerTest(BaseTest):