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from __future__ import annotations
import pytest
from _pytest.fixtures import FixtureRequest
from sqlalchemy.engine import Engine
from sqlalchemy.schema import (
CheckConstraint,
Column,
ForeignKeyConstraint,
Index,
MetaData,
Table,
UniqueConstraint,
)
from sqlalchemy.types import INTEGER, VARCHAR
from sqlacodegen.generators import CodeGenerator, SQLModelGenerator
from .conftest import validate_code
pytest.importorskip("sqlmodel")
@pytest.fixture
def generator(
request: FixtureRequest, metadata: MetaData, engine: Engine
) -> CodeGenerator:
options = getattr(request, "param", [])
return SQLModelGenerator(metadata, engine, options)
def test_indexes(generator: CodeGenerator) -> None:
simple_items = Table(
"item",
generator.metadata,
Column("id", INTEGER, primary_key=True),
Column("number", INTEGER),
Column("text", VARCHAR),
)
simple_items.indexes.add(Index("idx_number", simple_items.c.number))
simple_items.indexes.add(
Index("idx_text_number", simple_items.c.text, simple_items.c.number)
)
simple_items.indexes.add(Index("idx_text", simple_items.c.text, unique=True))
validate_code(
generator.generate(),
"""\
from typing import Optional
from sqlalchemy import Column, Index, Integer, String
from sqlmodel import Field, SQLModel
class Item(SQLModel, table=True):
__table_args__ = (
Index('idx_number', 'number'),
Index('idx_text', 'text', unique=True),
Index('idx_text_number', 'text', 'number')
)
id: Optional[int] = Field(default=None, sa_column=Column(\
'id', Integer, primary_key=True))
number: Optional[int] = Field(default=None, sa_column=Column(\
'number', Integer))
text: Optional[str] = Field(default=None, sa_column=Column(\
'text', String))
""",
)
def test_constraints(generator: CodeGenerator) -> None:
Table(
"simple_constraints",
generator.metadata,
Column("id", INTEGER, primary_key=True),
Column("number", INTEGER),
CheckConstraint("number > 0"),
UniqueConstraint("id", "number"),
)
validate_code(
generator.generate(),
"""\
from typing import Optional
from sqlalchemy import CheckConstraint, Column, Integer, UniqueConstraint
from sqlmodel import Field, SQLModel
class SimpleConstraints(SQLModel, table=True):
__tablename__ = 'simple_constraints'
__table_args__ = (
CheckConstraint('number > 0'),
UniqueConstraint('id', 'number')
)
id: Optional[int] = Field(default=None, sa_column=Column(\
'id', Integer, primary_key=True))
number: Optional[int] = Field(default=None, sa_column=Column(\
'number', Integer))
""",
)
def test_onetomany(generator: CodeGenerator) -> None:
Table(
"simple_goods",
generator.metadata,
Column("id", INTEGER, primary_key=True),
Column("container_id", INTEGER),
ForeignKeyConstraint(["container_id"], ["simple_containers.id"]),
)
Table(
"simple_containers",
generator.metadata,
Column("id", INTEGER, primary_key=True),
)
validate_code(
generator.generate(),
"""\
from typing import List, Optional
from sqlalchemy import Column, ForeignKey, Integer
from sqlmodel import Field, Relationship, SQLModel
class SimpleContainers(SQLModel, table=True):
__tablename__ = 'simple_containers'
id: Optional[int] = Field(default=None, sa_column=Column(\
'id', Integer, primary_key=True))
simple_goods: List['SimpleGoods'] = Relationship(\
back_populates='container')
class SimpleGoods(SQLModel, table=True):
__tablename__ = 'simple_goods'
id: Optional[int] = Field(default=None, sa_column=Column(\
'id', Integer, primary_key=True))
container_id: Optional[int] = Field(default=None, sa_column=Column(\
'container_id', ForeignKey('simple_containers.id')))
container: Optional['SimpleContainers'] = Relationship(\
back_populates='simple_goods')
""",
)
def test_onetoone(generator: CodeGenerator) -> None:
Table(
"simple_onetoone",
generator.metadata,
Column("id", INTEGER, primary_key=True),
Column("other_item_id", INTEGER),
ForeignKeyConstraint(["other_item_id"], ["other_items.id"]),
UniqueConstraint("other_item_id"),
)
Table("other_items", generator.metadata, Column("id", INTEGER, primary_key=True))
validate_code(
generator.generate(),
"""\
from typing import Optional
from sqlalchemy import Column, ForeignKey, Integer
from sqlmodel import Field, Relationship, SQLModel
class OtherItems(SQLModel, table=True):
__tablename__ = 'other_items'
id: Optional[int] = Field(default=None, sa_column=Column(\
'id', Integer, primary_key=True))
simple_onetoone: Optional['SimpleOnetoone'] = Relationship(\
sa_relationship_kwargs={'uselist': False}, back_populates='other_item')
class SimpleOnetoone(SQLModel, table=True):
__tablename__ = 'simple_onetoone'
id: Optional[int] = Field(default=None, sa_column=Column(\
'id', Integer, primary_key=True))
other_item_id: Optional[int] = Field(default=None, sa_column=Column(\
'other_item_id', ForeignKey('other_items.id'), unique=True))
other_item: Optional['OtherItems'] = Relationship(\
back_populates='simple_onetoone')
""",
)
|
