iting0321 commented on code in PR #64905: URL: https://github.com/apache/airflow/pull/64905#discussion_r3067777874
########## airflow-core/tests/unit/migrations/test_migration_utils.py: ########## @@ -0,0 +1,118 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +""" +Stairway test for Airflow DB migrations. + +Walks every migration step since the 3.0.0 release forward (upgrade) then +backward (downgrade) to verify that all migrations are fully reversible. +This catches problems like: +- a migration that creates a constraint the downgrade forgets to drop +- a downgrade that references a column that was never added by the upgrade + +The test runs as a single (non-parametrized) function so that execution order +and DB state are guaranteed without relying on xdist grouping or cross-test +state. Failures include the specific revision ID so the broken migration is +immediately identifiable in CI logs. Review Comment: update PR description -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
