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Code Issues 32 Releases Wiki Activity

Use topological sort for migration operation dependency resolution

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rather than an ad-hoc algorithm
This commit is contained in:
Klaas van Schelven
2014-11-15 14:45:42 +01:00
parent 4f90c99635
commit 13d613f800
4 changed files with 53 additions and 25 deletions
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6
tests/migrations/test_autodetector.py
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@@ -1107,12 +1107,12 @@ class AutodetectorTests(TestCase):
# Right number of migrations?
self.assertNumberMigrations(changes, "testapp", 1)
# Right actions in right order?
self.assertOperationTypes(changes, "testapp", 0, ["RemoveField", "RemoveField", "DeleteModel", "RemoveField", "DeleteModel"])
self.assertOperationTypes(changes, "testapp", 0, ["RemoveField", "RemoveField", "RemoveField", "DeleteModel", "DeleteModel"])
# Actions touching the right stuff?
self.assertOperationAttributes(changes, "testapp", 0, 0, name="publishers")
self.assertOperationAttributes(changes, "testapp", 0, 1, name="author")
self.assertOperationAttributes(changes, "testapp", 0, 2, name="Author")
self.assertOperationAttributes(changes, "testapp", 0, 3, name="publisher")
self.assertOperationAttributes(changes, "testapp", 0, 2, name="publisher")
self.assertOperationAttributes(changes, "testapp", 0, 3, name="Author")
self.assertOperationAttributes(changes, "testapp", 0, 4, name="Contract")
def test_non_circular_foreignkey_dependency_removal(self):