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Fixed #34697 -- Fixed non-deterministic order of dependencies and sets/frozensets in migrations.

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Co-authored-by: Dakota Hawkins <dakotahawkins@gmail.com>
This commit is contained in:
Yury V. Zaytsev 2023-07-06 18:09:21 +02:00 • committed by Mariusz Felisiak
parent 4afaeb14c2
commit 02966a30dd
4 changed files with 43 additions and 3 deletions
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32
tests/migrations/test_writer.py
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@ -768,12 +768,17 @@ class WriterTests(SimpleTestCase):
def test_serialize_frozensets(self):
self.assertSerializedEqual(frozenset())
self.assertSerializedEqual(frozenset("let it go"))
self.assertSerializedResultEqual(
frozenset("cba"), ("frozenset(['a', 'b', 'c'])", set())
)
def test_serialize_set(self):
self.assertSerializedEqual(set())
self.assertSerializedResultEqual(set(), ("set()", set()))
self.assertSerializedEqual({"a"})
self.assertSerializedResultEqual({"a"}, ("{'a'}", set()))
self.assertSerializedEqual({"c", "b", "a"})
self.assertSerializedResultEqual({"c", "b", "a"}, ("{'a', 'b', 'c'}", set()))
def test_serialize_timedelta(self):
self.assertSerializedEqual(datetime.timedelta())
@ -891,6 +896,33 @@ class WriterTests(SimpleTestCase):
result["custom_migration_operations"].more_operations.TestOperation,
)
def test_sorted_dependencies(self):
migration = type(
"Migration",
(migrations.Migration,),
{
"operations": [
migrations.AddField("mymodel", "myfield", models.IntegerField()),
],
"dependencies": [
("testapp10", "0005_fifth"),
("testapp02", "0005_third"),
("testapp02", "0004_sixth"),
("testapp01", "0001_initial"),
],
},
)
output = MigrationWriter(migration, include_header=False).as_string()
self.assertIn(
" dependencies = [\n"
" ('testapp01', '0001_initial'),\n"
" ('testapp02', '0004_sixth'),\n"
" ('testapp02', '0005_third'),\n"
" ('testapp10', '0005_fifth'),\n"
" ]",
output,
)
def test_sorted_imports(self):
"""
#24155 - Tests ordering of imports.