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from __future__ import annotations
from typing import TYPE_CHECKING
import pytest
from sqlalchemy import Column, Engine, ForeignKey, String, Table, select
from sqlalchemy.ext.associationproxy import AssociationProxy, association_proxy
from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession, async_sessionmaker
from sqlalchemy.orm import Mapped, Session, mapped_column, relationship, sessionmaker
if TYPE_CHECKING:
from pytest import MonkeyPatch
pytestmark = [
pytest.mark.integration,
pytest.mark.xdist_group("association_proxy"),
]
@pytest.mark.xdist_group("loader")
def test_ap_sync(monkeypatch: MonkeyPatch, engine: Engine) -> None:
# Skip DuckDB and mock engines
dialect_name = getattr(engine.dialect, "name", "")
if dialect_name == "duckdb":
pytest.skip("DuckDB doesn't support CASCADE in foreign key constraints")
if dialect_name == "mock":
pytest.skip("Mock engines don't properly support multi-row inserts with RETURNING")
from sqlalchemy.orm import DeclarativeBase
from advanced_alchemy import base, mixins
orm_registry = base.create_registry()
class NewUUIDBase(mixins.UUIDPrimaryKey, base.CommonTableAttributes, DeclarativeBase):
registry = orm_registry
monkeypatch.setattr(base, "UUIDBase", NewUUIDBase)
product_tag_table = Table(
"product_tag_sync",
orm_registry.metadata,
Column("product_id", ForeignKey("product_sync.id", ondelete="CASCADE"), primary_key=True), # pyright: ignore[reportUnknownArgumentType]
Column("tag_id", ForeignKey("tag_sync.id", ondelete="CASCADE"), primary_key=True), # pyright: ignore[reportUnknownArgumentType]
)
class Tag(NewUUIDBase):
__tablename__ = "tag_sync"
name: Mapped[str] = mapped_column(String(100), index=True)
products: Mapped[list[Product]] = relationship(
secondary=lambda: product_tag_table,
back_populates="product_tags",
cascade="all, delete",
passive_deletes=True,
lazy="noload",
)
class Product(NewUUIDBase):
__tablename__ = "product_sync"
name: Mapped[str] = mapped_column(String(50)) # pyright: ignore
product_tags: Mapped[list[Tag]] = relationship(
secondary=lambda: product_tag_table,
back_populates="products",
cascade="all, delete",
passive_deletes=True,
lazy="joined",
)
tags: AssociationProxy[list[str]] = association_proxy(
"product_tags",
"name",
creator=lambda name: Tag(name=name), # pyright: ignore[reportUnknownArgumentType,reportUnknownLambdaType]
)
session_factory: sessionmaker[Session] = sessionmaker(engine, expire_on_commit=False)
with engine.begin() as conn:
Product.metadata.create_all(conn)
with session_factory() as db_session:
product_1 = Product(name="Product 1", tags=["a new tag", "second tag"])
db_session.add(product_1)
tags = db_session.execute(select(Tag)).unique().fetchall()
assert len(tags) == 2
product_2 = Product(name="Product 2", tags=["third tag"])
db_session.add(product_2)
tags = db_session.execute(select(Tag)).unique().fetchall()
assert len(tags) == 3
product_2.tags = []
db_session.add(product_2)
product_2_validate = db_session.execute(select(Product).where(Product.name == "Product 2")).unique().fetchone()
assert product_2_validate
tags_2 = db_session.execute(select(Tag)).unique().fetchall()
assert len(product_2_validate[0].product_tags) == 0
assert len(tags_2) == 3
# add more assertions
@pytest.mark.xdist_group("loader")
async def test_ap_async(monkeypatch: MonkeyPatch, async_engine: AsyncEngine) -> None:
# Skip DuckDB and mock engines
dialect_name = getattr(async_engine.dialect, "name", "")
if dialect_name == "duckdb":
pytest.skip("DuckDB doesn't support CASCADE in foreign key constraints")
if dialect_name == "mock":
pytest.skip("Mock engines don't properly support multi-row inserts with RETURNING")
from sqlalchemy.orm import DeclarativeBase
from advanced_alchemy import base, mixins
orm_registry = base.create_registry()
class NewUUIDBase(mixins.UUIDPrimaryKey, base.CommonTableAttributes, DeclarativeBase):
registry = orm_registry
monkeypatch.setattr(base, "UUIDBase", NewUUIDBase)
product_tag_table = Table(
"product_tag_async",
orm_registry.metadata,
Column("product_id", ForeignKey("product_async.id", ondelete="CASCADE"), primary_key=True), # pyright: ignore[reportUnknownArgumentType]
Column("tag_id", ForeignKey("tag_async.id", ondelete="CASCADE"), primary_key=True), # pyright: ignore[reportUnknownArgumentType]
)
class Tag(NewUUIDBase):
__tablename__ = "tag_async"
name: Mapped[str] = mapped_column(String(100), index=True)
products: Mapped[list[Product]] = relationship(
secondary=lambda: product_tag_table,
back_populates="product_tags",
cascade="all, delete",
passive_deletes=True,
lazy="noload",
)
class Product(NewUUIDBase):
__tablename__ = "product_async"
name: Mapped[str] = mapped_column(String(50)) # pyright: ignore
product_tags: Mapped[list[Tag]] = relationship(
secondary=lambda: product_tag_table,
back_populates="products",
cascade="all, delete",
passive_deletes=True,
lazy="joined",
)
tags: AssociationProxy[list[str]] = association_proxy(
"product_tags",
"name",
creator=lambda name: Tag(name=name), # pyright: ignore[reportUnknownArgumentType,reportUnknownLambdaType]
)
session_factory: async_sessionmaker[AsyncSession] = async_sessionmaker(async_engine, expire_on_commit=False)
async with async_engine.begin() as conn:
await conn.run_sync(Tag.metadata.create_all)
async with session_factory() as db_session:
product_1 = Product(name="Product 1 async", tags=["a new tag", "second tag"])
db_session.add(product_1)
tags = await db_session.execute(select(Tag))
assert len(tags.unique().fetchall()) == 2
product_2 = Product(name="Product 2 async", tags=["third tag"])
db_session.add(product_2)
tags = await db_session.execute(select(Tag))
assert len(tags.unique().fetchall()) == 3
# add more assertions
|
