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Fixed #29000 -- Fixed RenameModel's renaming of a M2M column when run after RenameField.

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Regression in 45ded053b1.
This commit is contained in:
Jeff
2018-05-23 15:55:27 -04:00
committed by Tim Graham
parent 3eb9127678
commit fcc4e251db
2 changed files with 35 additions and 6 deletions
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28
tests/migrations/test_operations.py
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@@ -802,6 +802,34 @@ class OperationTests(OperationTestBase):
self.assertEqual(PonyRider.objects.count(), 2)
self.assertEqual(pony.riders.count(), 2)
def test_rename_m2m_model_after_rename_field(self):
"""RenameModel renames a many-to-many column after a RenameField."""
app_label = 'test_rename_multiple'
project_state = self.apply_operations(app_label, ProjectState(), operations=[
migrations.CreateModel('Pony', fields=[
('id', models.AutoField(primary_key=True)),
('name', models.CharField(max_length=20)),
]),
migrations.CreateModel('Rider', fields=[
('id', models.AutoField(primary_key=True)),
('pony', models.ForeignKey('test_rename_multiple.Pony', models.CASCADE)),
]),
migrations.CreateModel('PonyRider', fields=[
('id', models.AutoField(primary_key=True)),
('riders', models.ManyToManyField('Rider')),
]),
migrations.RenameField(model_name='pony', old_name='name', new_name='fancy_name'),
migrations.RenameModel(old_name='Rider', new_name='Jockey'),
], atomic=connection.features.supports_atomic_references_rename)
Pony = project_state.apps.get_model(app_label, 'Pony')
Jockey = project_state.apps.get_model(app_label, 'Jockey')
PonyRider = project_state.apps.get_model(app_label, 'PonyRider')
# No "no such column" error means the column was renamed correctly.
pony = Pony.objects.create(fancy_name='a good name')
jockey = Jockey.objects.create(pony=pony)
ponyrider = PonyRider.objects.create()
ponyrider.riders.add(jockey)
def test_add_field(self):
"""
Tests the AddField operation.