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Refs #18012 -- Accounted for reverse proxy relations in migrations.

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Thanks to Markus for the suggestion and Tim for the review.
This commit is contained in:
Simon Charette 2015-10-16 01:53:32 -04:00
parent 3db3ab71e9
commit 63f0e2df2a
2 changed files with 22 additions and 4 deletions
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10
tests/migrations/test_state.py
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@ -960,6 +960,16 @@ class RelatedModelsTests(SimpleTestCase):
self.assertRelated(A, [B])
self.assertRelated(B, [A])
def test_fk_through_proxy(self):
A = self.create_model("A")
B = self.create_model("B", bases=(A,), proxy=True)
C = self.create_model("C", bases=(B,), proxy=True)
D = self.create_model("D", foreign_keys=[models.ForeignKey('C', models.CASCADE)])
self.assertRelated(A, [B, C, D])
self.assertRelated(B, [A, C, D])
self.assertRelated(C, [A, B, D])
self.assertRelated(D, [A, B, C])
def test_nested_fk(self):
A = self.create_model("A", foreign_keys=[models.ForeignKey('B', models.CASCADE)])
B = self.create_model("B", foreign_keys=[models.ForeignKey('C', models.CASCADE)])