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Fixed #23794 -- Fixed migrations crash when removing a field that's part of index/unique_together.

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This commit is contained in:
Andrzej Pragacz 2014-11-15 15:43:06 +01:00 • committed by Tim Graham
parent f957e2b04c
commit 72729f844e
3 changed files with 24 additions and 11 deletions
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16
tests/migrations/test_autodetector.py
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@ -908,6 +908,22 @@ class AutodetectorTests(TestCase):
self.assertOperationAttributes(changes, "otherapp", 0, 0, name="book", unique_together=set())
self.assertOperationAttributes(changes, "otherapp", 0, 1, name="book", index_together=set())
def test_foo_together_remove_fk(self):
"""Tests unique_together and field removal detection & ordering"""
# Make state
before = self.make_project_state([self.author_empty, self.book_foo_together])
after = self.make_project_state([self.author_empty, self.book_with_no_author])
autodetector = MigrationAutodetector(before, after)
changes = autodetector._detect_changes()
# Right number/type of migrations?
self.assertNumberMigrations(changes, "otherapp", 1)
self.assertOperationTypes(changes, "otherapp", 0, [
"AlterUniqueTogether", "AlterIndexTogether", "RemoveField"
])
self.assertOperationAttributes(changes, "otherapp", 0, 0, name="book", unique_together=set())
self.assertOperationAttributes(changes, "otherapp", 0, 1, name="book", index_together=set())
self.assertOperationAttributes(changes, "otherapp", 0, 2, model_name="book", name="author")
def test_foo_together_no_changes(self):
"""
Tests that index/unique_together doesn't generate a migration if no