111 lines
3.2 KiB
Python
111 lines
3.2 KiB
Python
import databases
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import pytest
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import sqlalchemy
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import ormar
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from ormar import ModelMeta
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from ormar.exceptions import QueryDefinitionError
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from tests.settings import DATABASE_URL
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database = databases.Database(DATABASE_URL, force_rollback=True)
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metadata = sqlalchemy.MetaData()
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class BaseMeta(ModelMeta):
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metadata = metadata
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database = database
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class Car(ormar.Model):
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class Meta(BaseMeta):
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pass
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id: int = ormar.Integer(primary_key=True)
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name: str = ormar.String(max_length=100)
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class UsersCar(ormar.Model):
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class Meta(BaseMeta):
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tablename = "cars_x_users"
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class User(ormar.Model):
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class Meta(BaseMeta):
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pass
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id: int = ormar.Integer(primary_key=True)
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name: str = ormar.String(max_length=100)
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cars = ormar.ManyToMany(Car, through=UsersCar)
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@pytest.fixture(autouse=True, scope="module")
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def create_test_database():
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engine = sqlalchemy.create_engine(DATABASE_URL)
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metadata.drop_all(engine)
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metadata.create_all(engine)
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yield
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metadata.drop_all(engine)
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@pytest.mark.asyncio
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async def test_pagination_errors():
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async with database:
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async with database.transaction(force_rollback=True):
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with pytest.raises(QueryDefinitionError):
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await Car.objects.paginate(0).all()
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with pytest.raises(QueryDefinitionError):
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await Car.objects.paginate(1, page_size=0).all()
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@pytest.mark.asyncio
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async def test_pagination_on_single_model():
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async with database:
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async with database.transaction(force_rollback=True):
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for i in range(20):
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await Car(name=f"{i}").save()
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cars_page1 = await Car.objects.paginate(1, page_size=5).all()
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assert len(cars_page1) == 5
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assert cars_page1[0].name == "0"
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assert cars_page1[4].name == "4"
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cars_page2 = await Car.objects.paginate(2, page_size=5).all()
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assert len(cars_page2) == 5
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assert cars_page2[0].name == "5"
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assert cars_page2[4].name == "9"
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all_cars = await Car.objects.paginate(1).all()
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assert len(all_cars) == 20
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half_cars = await Car.objects.paginate(2, page_size=10).all()
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assert len(half_cars) == 10
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assert half_cars[0].name == "10"
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@pytest.mark.asyncio
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async def test_proxy_pagination():
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async with database:
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async with database.transaction(force_rollback=True):
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user = await User(name="Jon").save()
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for i in range(20):
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c = await Car(name=f"{i}").save()
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await user.cars.add(c)
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await user.cars.paginate(1, page_size=5).all()
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assert len(user.cars) == 5
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assert user.cars[0].name == "0"
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assert user.cars[4].name == "4"
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await user.cars.paginate(2, page_size=5).all()
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assert len(user.cars) == 5
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assert user.cars[0].name == "5"
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assert user.cars[4].name == "9"
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await user.cars.paginate(1).all()
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assert len(user.cars) == 20
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await user.cars.paginate(2, page_size=10).all()
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assert len(user.cars) == 10
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assert user.cars[0].name == "10"
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