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added a test for #1349

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This commit is contained in:
Mike Bayer
2009-11-03 04:30:18 +00:00
parent e2ca4ebe58
commit 659ca0c508
1 changed files with 22 additions and 0 deletions
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test/orm/test_cascade.py
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@@ -742,6 +742,28 @@ class M2MCascadeTest(_base.MappedTest):
assert b.count().scalar() == 0
assert a.count().scalar() == 1
@testing.resolve_artifact_names
def test_delete_orphan_dynamic(self):
mapper(A, a, properties={
# if no backref here, delete-orphan failed until [ticket:427] was
# fixed
'bs': relation(B, secondary=atob,
cascade="all, delete-orphan", single_parent=True,lazy="dynamic")
})
mapper(B, b)
sess = create_session()
b1 = B(data='b1')
a1 = A(data='a1', bs=[b1])
sess.add(a1)
sess.flush()
a1.bs.remove(b1)
sess.flush()
assert atob.count().scalar() ==0
assert b.count().scalar() == 0
assert a.count().scalar() == 1
@testing.resolve_artifact_names
def test_delete_orphan_cascades(self):
mapper(A, a, properties={