Files
deb-python-sqlalchemy-utils/tests/test_generic.py
2013-09-09 01:05:43 -07:00

127 lines
3.3 KiB
Python

from __future__ import unicode_literals
import sqlalchemy as sa
from tests import TestCase
from sqlalchemy_utils import generic_relationship
class TestGenericForiegnKey(TestCase):
def create_models(self):
class Building(self.Base):
__tablename__ = 'building'
id = sa.Column(sa.Integer, primary_key=True)
class User(self.Base):
__tablename__ = 'user'
id = sa.Column(sa.Integer, primary_key=True)
class Event(self.Base):
__tablename__ = 'event'
id = sa.Column(sa.Integer, primary_key=True)
object_type = sa.Column(sa.Unicode(255), name="objectType")
object_id = sa.Column(sa.Integer, nullable=False)
object = generic_relationship(object_type, object_id)
self.Building = Building
self.User = User
self.Event = Event
def test_set_manual_and_get(self):
user = self.User()
self.session.add(user)
self.session.commit()
event = self.Event()
event.object_id = user.id
event.object_type = type(user).__tablename__
assert event.object is None
self.session.add(event)
self.session.commit()
assert event.object == user
def test_set_and_get(self):
user = self.User()
self.session.add(user)
self.session.commit()
event = self.Event(object=user)
assert event.object_id == user.id
assert event.object_type == type(user).__tablename__
self.session.add(event)
self.session.commit()
assert event.object == user
def test_compare_instance(self):
user1 = self.User()
user2 = self.User()
self.session.add_all([user1, user2])
self.session.commit()
event = self.Event(object=user1)
self.session.add(event)
self.session.commit()
assert event.object == user1
assert event.object != user2
def test_compare_query(self):
user1 = self.User()
user2 = self.User()
self.session.add_all([user1, user2])
self.session.commit()
event = self.Event(object=user1)
self.session.add(event)
self.session.commit()
q = self.session.query(self.Event)
assert q.filter_by(object=user1).first() is not None
assert q.filter_by(object=user2).first() is None
assert q.filter(self.Event.object == user2).first() is None
def test_compare_not_query(self):
user1 = self.User()
user2 = self.User()
self.session.add_all([user1, user2])
self.session.commit()
event = self.Event(object=user1)
self.session.add(event)
self.session.commit()
q = self.session.query(self.Event)
assert q.filter(self.Event.object != user2).first() is not None
def test_compare_type(self):
user1 = self.User()
user2 = self.User()
self.session.add_all([user1, user2])
self.session.commit()
event1 = self.Event(object=user1)
event2 = self.Event(object=user2)
self.session.add_all([event1, event2])
self.session.commit()
statement = self.Event.object.is_type(self.User)
q = self.session.query(self.Event).filter(statement)
assert q.first() is not None