Files
ormar/tests/test_model_definition/test_models_are_pickable.py

62 lines
1.7 KiB
Python

import pickle
from typing import Optional
import databases
import pytest
import sqlalchemy
import ormar
from tests.settings import DATABASE_URL
database = databases.Database(DATABASE_URL, force_rollback=True)
metadata = sqlalchemy.MetaData()
class User(ormar.Model):
class Meta:
tablename = "users"
metadata = metadata
database = database
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100)
properties = ormar.JSON(nullable=True)
class Post(ormar.Model):
class Meta:
tablename = "posts"
metadata = metadata
database = database
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100)
created_by: Optional[User] = ormar.ForeignKey(User)
@pytest.fixture(autouse=True, scope="module")
def create_test_database():
engine = sqlalchemy.create_engine(DATABASE_URL)
metadata.drop_all(engine)
metadata.create_all(engine)
yield
metadata.drop_all(engine)
@pytest.mark.asyncio
async def test_dumping_and_loading_model_works():
async with database:
user = await User(name="Test", properties={"aa": "bb"}).save()
post = Post(name="Test post")
await user.posts.add(post)
pickled_value = pickle.dumps(user)
python_value = pickle.loads(pickled_value)
assert isinstance(python_value, User)
assert python_value.name == "Test"
assert python_value.properties == {"aa": "bb"}
assert python_value.posts[0].name == "Test post"
await python_value.load()
await python_value.update(name="Test2")
check = await User.objects.get()
assert check.name == "Test2"