Hello,
I'm encountering an issue where loading a model in a text fixture causes
the load options to be ignored when I load the same model in a Flask
endpoint
I have these two models
class Plate(db.Model):
container_id = db.Column(db.Integer, db.ForeignKey('containers.id'))
container = db.relationship('Container', uselist=False, lazy='noload')
class Container(db.Model):
...
The relationship is 'noload', since that's the default relationship loading
technique I want.
However, I have an endpoint to update a plate in which I want the plate's
container to be loaded. In the endpoint, I do this:
plate = Plate.query.options(noload('*'), joinedload(Plate.container).noload(
'*')).get(args['plate_id']
Here, plate.container is correctly loaded.
However, in a test, I have a fixture which POSTs a plate, and then loads
the plate.
@pytest.fixture(scope='function')
def plate_fixture(client, session):
response = client.post('/plate-endpoint', content_type=... data=...)
plate = Plate.query.get(response.json['plate_id']
return plate
In the same endpoint code above, plate.container is not loaded for tests,
but is loaded correctly in the app. Removing Plate.query.get from the
fixture fixes the issue.
I'm using SQLAlchemy 1.1.5 (although I've tried 1.2.9 and it hasn't fixed
the issue), Postgres 9.6, and pytest-postgresql 1.3.4
Thanks for the help
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