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from typing import List, Optional
import pytest
from sqlalchemy.orm import relationship
from sqlmodel import Field, Relationship, SQLModel
def test_sa_relationship_no_args() -> None:
with pytest.raises(RuntimeError): # pragma: no cover
class Team(SQLModel, table=True):
id: Optional[int] = Field(default=None, primary_key=True)
name: str = Field(index=True)
headquarters: str
heroes: List["Hero"] = Relationship(
back_populates="team",
sa_relationship_args=["Hero"],
sa_relationship=relationship("Hero", back_populates="team"),
)
class Hero(SQLModel, table=True):
id: Optional[int] = Field(default=None, primary_key=True)
name: str = Field(index=True)
secret_name: str
age: Optional[int] = Field(default=None, index=True)
team_id: Optional[int] = Field(default=None, foreign_key="team.id")
team: Optional[Team] = Relationship(back_populates="heroes")
def test_sa_relationship_no_kwargs() -> None:
with pytest.raises(RuntimeError): # pragma: no cover
class Team(SQLModel, table=True):
id: Optional[int] = Field(default=None, primary_key=True)
name: str = Field(index=True)
headquarters: str
heroes: List["Hero"] = Relationship(
back_populates="team",
sa_relationship_kwargs={"lazy": "selectin"},
sa_relationship=relationship("Hero", back_populates="team"),
)
class Hero(SQLModel, table=True):
id: Optional[int] = Field(default=None, primary_key=True)
name: str = Field(index=True)
secret_name: str
age: Optional[int] = Field(default=None, index=True)
team_id: Optional[int] = Field(default=None, foreign_key="team.id")
team: Optional[Team] = Relationship(back_populates="heroes")
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