def test_collection_setstate(self):
"""test a particular cycle that requires CollectionAdapter
to not rely upon InstanceState to deserialize."""
m = MetaData()
c1 = Table(
"c1",
m,
Column("parent_id", String, ForeignKey("p.id"), primary_key=True),
)
c2 = Table(
"c2",
m,
Column("parent_id", String, ForeignKey("p.id"), primary_key=True),
)
p = Table("p", m, Column("id", String, primary_key=True))
mapper(
Parent,
p,
properties={
"children1": relationship(Child1),
"children2": relationship(Child2),
},
)
mapper(Child1, c1)
mapper(Child2, c2)
obj = Parent()
screen1 = Screen(obj)
screen1.errors = [obj.children1, obj.children2]
screen2 = Screen(Child2(), screen1)
pickle.loads(pickle.dumps(screen2))
def test_collection_setstate(self):
"""test a particular cycle that requires CollectionAdapter
to not rely upon InstanceState to deserialize."""
m = MetaData()
c1 = Table('c1', m,
Column('parent_id', String,
ForeignKey('p.id'), primary_key=True)
)
c2 = Table('c2', m,
Column('parent_id', String,
ForeignKey('p.id'), primary_key=True)
)
p = Table('p', m,
Column('id', String, primary_key=True)
)
mapper(Parent, p, properties={
'children1':relationship(Child1),
'children2':relationship(Child2)
})
mapper(Child1, c1)
mapper(Child2, c2)
obj = Parent()
screen1 = Screen(obj)
screen1.errors = [obj.children1, obj.children2]
screen2 = Screen(Child2(), screen1)
pickle.loads(pickle.dumps(screen2))