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Fixed #28386 -- Made operations within non-atomic migrations honor the operation's atomic flag when migrating backwards.

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This commit is contained in:
Evan Grim
2017-07-11 11:40:18 -05:00
committed by Tim Graham
parent 5893eaddf4
commit 7937cc16f5
5 changed files with 16 additions and 3 deletions
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8
tests/migrations/test_executor.py
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@@ -126,6 +126,14 @@ class ExecutorTests(MigrationTestBase):
migrations_apps = executor.loader.project_state(("migrations", "0001_initial")).apps
Editor = migrations_apps.get_model("migrations", "Editor")
self.assertFalse(Editor.objects.exists())
# Record previous migration as successful.
executor.migrate([("migrations", "0001_initial")], fake=True)
# Rebuild the graph to reflect the new DB state.
executor.loader.build_graph()
# Migrating backwards is also atomic.
with self.assertRaisesMessage(RuntimeError, "Abort migration"):
executor.migrate([("migrations", None)])
self.assertFalse(Editor.objects.exists())
@override_settings(MIGRATION_MODULES={
"migrations": "migrations.test_migrations",