chore: Test to confirm plexapi and plexapi.utils DATETIME_TIMEZONE references stay in-sync

Author: eliasbenb

tests/test_utils.py

@@ -1,7 +1,9 @@
 import time
 
-import plexapi.utils as utils
 import pytest
+
+import plexapi
+import plexapi.utils as utils
 from plexapi.exceptions import NotFound
 
 
@@ -41,6 +43,21 @@ def test_utils_setDatetimeTimezone_local_and_invalid():
         utils.DATETIME_TIMEZONE = original_tz
 
 
+def test_utils_package_datetime_timezone_stays_synced():
+    original_tz = utils.DATETIME_TIMEZONE
+    try:
+        tzinfo = utils.setDatetimeTimezone("UTC")
+        assert tzinfo is not None
+        assert plexapi.DATETIME_TIMEZONE is tzinfo
+
+        assert plexapi.DATETIME_TIMEZONE is utils.DATETIME_TIMEZONE
+        utils.setDatetimeTimezone(False)
+        assert plexapi.DATETIME_TIMEZONE is None
+        assert plexapi.DATETIME_TIMEZONE is utils.DATETIME_TIMEZONE
+    finally:  # Restore for other tests
+        utils.DATETIME_TIMEZONE = original_tz
+
+
 def test_utils_threaded():
     def _squared(num, results, i, job_is_done_event=None):
         time.sleep(0.5)