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