sqlmodel-fix/tests/test_ondelete_raises.py
Esteban Maya 86ab09f7ec
Add support for cascade delete relationships: cascade_delete, ondelete, and passive_deletes (#983)
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
2024-07-20 21:08:06 -05:00

38 lines
1.3 KiB
Python

from typing import Any, List, Union
import pytest
from sqlmodel import Field, Relationship, SQLModel
def test_ondelete_requires_nullable(clear_sqlmodel: Any) -> None:
with pytest.raises(RuntimeError) as exc:
class Team(SQLModel, table=True):
id: Union[int, None] = Field(default=None, primary_key=True)
heroes: List["Hero"] = Relationship(
back_populates="team", passive_deletes="all"
)
class Hero(SQLModel, table=True):
id: Union[int, None] = Field(default=None, primary_key=True)
name: str = Field(index=True)
secret_name: str
age: Union[int, None] = Field(default=None, index=True)
team_id: int = Field(foreign_key="team.id", ondelete="SET NULL")
team: Team = Relationship(back_populates="heroes")
assert 'ondelete="SET NULL" requires nullable=True' in str(exc.value)
def test_ondelete_requires_foreign_key(clear_sqlmodel: Any) -> None:
with pytest.raises(RuntimeError) as exc:
class Team(SQLModel, table=True):
id: Union[int, None] = Field(default=None, primary_key=True)
age: int = Field(ondelete="CASCADE")
assert "ondelete can only be used with foreign_key" in str(exc.value)