def test_pickle_anon_label(self):
q1 = _anonymous_label(quoted_name("x", True))
for loads, dumps in picklers():
q2 = loads(dumps(q1))
assert isinstance(q2, _anonymous_label)
eq_(str(q1), str(q2))
eq_(q1.quote, q2.quote)
def test_composite_column_mapped_collection(self):
users, addresses = self.tables.users, self.tables.addresses
mapper(
User,
users,
properties={
"addresses": relationship(
Address,
collection_class=column_mapped_collection(
[addresses.c.id, addresses.c.email_address]
),
)
},
)
mapper(Address, addresses)
u1 = User()
u1.addresses = {
(1, "email1"): Address(id=1, email_address="email1"),
(2, "email2"): Address(id=2, email_address="email2"),
}
for loads, dumps in picklers():
repickled = loads(dumps(u1))
eq_(u1.addresses, repickled.addresses)
eq_(
repickled.addresses[(1, "email1")],
Address(id=1, email_address="email1"),
)
def test_column_mapped_collection(self):
users, addresses = self.tables.users, self.tables.addresses
mapper(
User,
users,
properties={
"addresses": relationship(
Address,
collection_class=column_mapped_collection(
addresses.c.email_address
),
)
},
)
mapper(Address, addresses)
u1 = User()
u1.addresses = {
"email1": Address(email_address="email1"),
"email2": Address(email_address="email2"),
}
for loads, dumps in picklers():
repickled = loads(dumps(u1))
eq_(u1.addresses, repickled.addresses)
eq_(repickled.addresses["email1"], Address(email_address="email1"))
def test_picklability(self):
from sqlalchemy_1_3.ext.orderinglist import OrderingList
olist = OrderingList("order", reorder_on_append=True)
olist.append(DummyItem())
for loads, dumps in picklers():
pck = dumps(olist)
copy = loads(pck)
self.assert_(copy == olist)
self.assert_(copy.__dict__ == olist.__dict__)
def test_pickle_parent(self):
sess = Session()
f1 = Foo(data=set([1, 2]))
sess.add(f1)
sess.commit()
f1.data
sess.close()
for loads, dumps in picklers():
sess = Session()
f2 = loads(dumps(f1))
sess.add(f2)
f2.data.add(3)
assert f2 in sess.dirty
def test_pickle_parent(self):
sess = Session()
f1 = Foo(data={"a": "b"})
sess.add(f1)
sess.commit()
f1.data
sess.close()
for loads, dumps in picklers():
sess = Session()
f2 = loads(dumps(f1))
sess.add(f2)
f2.data["a"] = "c"
assert f2 in sess.dirty
def test_exceptions(self):
class Foo(object):
pass
users = self.tables.users
mapper(User, users)
for sa_exc in (
orm_exc.UnmappedInstanceError(Foo()),
orm_exc.UnmappedClassError(Foo),
orm_exc.ObjectDeletedError(attributes.instance_state(User())),
):
for loads, dumps in picklers():
repickled = loads(dumps(sa_exc))
eq_(repickled.args[0], sa_exc.args[0])
def test_pickle_of_parent_subclass(self):
sess = Session()
d = Point(3, 4)
f1 = SubFoo(data=d)
sess.add(f1)
sess.commit()
f1.data
assert "data" in f1.__dict__
sess.close()
for loads, dumps in picklers():
sess = Session()
f2 = loads(dumps(f1))
sess.add(f2)
f2.data.y = 12
assert f2 in sess.dirty
def test_pickle_protocols(self):
users, addresses = (self.tables.users, self.tables.addresses)
mapper(
User,
users,
properties={"addresses": relationship(Address, backref="user")},
)
mapper(Address, addresses)
sess = sessionmaker()()
u1 = User(name="ed")
u1.addresses.append(Address(email_address="*****@*****.**"))
sess.add(u1)
sess.commit()
u1 = sess.query(User).first()
u1.addresses
for loads, dumps in picklers():
u2 = loads(dumps(u1))
eq_(u1, u2)
def test_pickle_quote(self):
q1 = quoted_name("x", True)
for loads, dumps in picklers():
q2 = loads(dumps(q1))
eq_(str(q1), str(q2))
eq_(q1.quote, q2.quote)
def test_unpickle_modified_eq(self):
u1 = FooWithEq(data=self.Point(3, 5))
for loads, dumps in picklers():
loads(dumps(u1))