mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-05-28 03:26:01 -04:00
Khairi Hafsham
772374735d
tested using pycodestyle version 2.2.0 Fixes: #3885 Change-Id: I5df43adc3aefe318f9eeab72a078247a548ec566 Pull-request: https://github.com/zzzeek/sqlalchemy/pull/343
58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
"""basic tests of lazy loaded attributes"""
|
|
|
|
from sqlalchemy import testing
|
|
from sqlalchemy.orm import mapper, relationship, create_session, immediateload
|
|
from sqlalchemy.testing import eq_
|
|
from test.orm import _fixtures
|
|
|
|
|
|
class ImmediateTest(_fixtures.FixtureTest):
|
|
run_inserts = 'once'
|
|
run_deletes = None
|
|
|
|
def test_basic_option(self):
|
|
Address, addresses, users, User = (self.classes.Address,
|
|
self.tables.addresses,
|
|
self.tables.users,
|
|
self.classes.User)
|
|
|
|
mapper(Address, addresses)
|
|
mapper(User, users, properties={
|
|
'addresses': relationship(Address)
|
|
})
|
|
sess = create_session()
|
|
|
|
result = sess.query(User).options(immediateload(
|
|
User.addresses)).filter(users.c.id == 7).all()
|
|
eq_(len(sess.identity_map), 2)
|
|
|
|
sess.close()
|
|
|
|
eq_(
|
|
[User(id=7,
|
|
addresses=[Address(id=1, email_address='jack@bean.com')])],
|
|
result
|
|
)
|
|
|
|
def test_basic(self):
|
|
Address, addresses, users, User = (self.classes.Address,
|
|
self.tables.addresses,
|
|
self.tables.users,
|
|
self.classes.User)
|
|
|
|
mapper(Address, addresses)
|
|
mapper(User, users, properties={
|
|
'addresses': relationship(Address, lazy='immediate')
|
|
})
|
|
sess = create_session()
|
|
|
|
result = sess.query(User).filter(users.c.id == 7).all()
|
|
eq_(len(sess.identity_map), 2)
|
|
sess.close()
|
|
|
|
eq_(
|
|
[User(id=7,
|
|
addresses=[Address(id=1, email_address='jack@bean.com')])],
|
|
result
|
|
)
|