def test_bind_arguments(self):
users, Address, addresses, User = (self.tables.users,
self.classes.Address,
self.tables.addresses,
self.classes.User)
mapper(User, users)
mapper(Address, addresses)
e1 = engines.testing_engine()
e2 = engines.testing_engine()
e3 = engines.testing_engine()
sess = Session(e3)
sess.bind_mapper(User, e1)
sess.bind_mapper(Address, e2)
assert sess.connection().engine is e3
assert sess.connection(bind=e1).engine is e1
assert sess.connection(mapper=Address, bind=e1).engine is e1
assert sess.connection(mapper=Address).engine is e2
assert sess.connection(clause=addresses.select()).engine is e2
assert sess.connection(mapper=User,
clause=addresses.select()).engine is e1
assert sess.connection(mapper=User, clause=addresses.select(),
bind=e2).engine is e2
sess.close()
def test_get_bind(self, testcase, expected):
users, Address, addresses, User = (
self.tables.users,
self.classes.Address,
self.tables.addresses,
self.classes.User,
)
mapper(User, users, properties={"addresses": relationship(Address)})
mapper(Address, addresses)
e1 = engines.testing_engine()
e2 = engines.testing_engine()
e3 = engines.testing_engine()
testcase = testing.resolve_lambda(
testcase,
User=User,
Address=Address,
e1=e1,
e2=e2,
e3=e3,
addresses=addresses,
)
sess = Session(e3)
sess.bind_mapper(User, e1)
sess.bind_mapper(Address, e2)
engine = {"e1": e1, "e2": e2, "e3": e3}[expected]
conn = sess.connection(**testcase)
is_(conn.engine, engine)
sess.close()
