From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 14 Mar 2023 13:16:25 +0000 (-0400)
Subject: use utc for datetimetz multirange tests
X-Git-Tag: rel_2_0_7~6^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e8420e993764b5dcd4ce5879412d556d2a7d2870;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

use utc for datetimetz multirange tests

these tests failed the day before DST here, so just use utc

Fixes: #9471
Change-Id: I3f5c940b4e7d36943bd3ad34cc06b9563371d171
---

diff --git a/test/dialect/postgresql/test_types.py b/test/dialect/postgresql/test_types.py
index 2b15c7d735..c960b9e2f2 100644
--- a/test/dialect/postgresql/test_types.py
+++ b/test/dialect/postgresql/test_types.py
@@ -5176,24 +5176,36 @@ class _DateTimeTZMultiRangeTests:
     _col_type = TSTZMULTIRANGE
     _col_str = "TSTZMULTIRANGE"
 
+    __only_on__ = "postgresql"
+
     # make sure we use one, steady timestamp with timezone pair
     # for all parts of all these tests
     _tstzs = None
     _tstzs_delta = None
 
     def tstzs(self):
+        utc_now = cast(
+            func.current_timestamp().op("AT TIME ZONE")("utc"),
+            DateTime(timezone=True),
+        )
+
         if self._tstzs is None:
             with testing.db.connect() as connection:
-                lower = connection.scalar(func.current_timestamp().select())
+                lower = connection.scalar(select(utc_now))
                 upper = lower + datetime.timedelta(1)
                 self._tstzs = (lower, upper)
         return self._tstzs
 
     def tstzs_delta(self):
+        utc_now = cast(
+            func.current_timestamp().op("AT TIME ZONE")("utc"),
+            DateTime(timezone=True),
+        )
+
         if self._tstzs_delta is None:
             with testing.db.connect() as connection:
                 lower = connection.scalar(
-                    func.current_timestamp().select()
+                    select(utc_now)
                 ) + datetime.timedelta(3)
                 upper = lower + datetime.timedelta(2)
                 self._tstzs_delta = (lower, upper)