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test_service.py
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import pytest
import sqlalchemy.exc as sa_exc
from ellar.common.exceptions import ImproperConfiguration
from ellar_sql import model
from ellar_sql.constant import DATABASE_BIND_KEY, DEFAULT_KEY
from ellar_sql.model.database_binds import (
__model_database_metadata__,
get_metadata,
)
from ellar_sql.schemas import ModelBaseConfig
from ellar_sql.services import EllarSQLService
def test_service_default_setup_create_all(db_service, ignore_base):
class User(model.Model):
id: model.Mapped[int] = model.Column(model.Integer, primary_key=True)
name: model.Mapped[str] = model.Column(model.String)
db_service.create_all()
session = db_service.session_factory()
user = User(name="First User")
session.add(user)
session.commit()
session.refresh(user)
assert user.dict() == {"id": 1, "name": "First User"}
session.close()
def test_service_drop_all(db_service, ignore_base):
class User(model.Model):
id: model.Mapped[int] = model.Column(model.Integer, primary_key=True)
name: model.Mapped[str] = model.Column(model.String)
db_service.create_all()
session = db_service.session_factory()
user = User(name="First User")
session.add(user)
session.commit()
db_service.drop_all()
stmt = model.select(User).where(User.id == 1)
with pytest.raises(Exception, match="no such table: user"):
session.execute(stmt)
def test_custom_metadata_2x(ignore_base):
custom_metadata = model.MetaData()
class Base(model.Model):
__base_config__ = ModelBaseConfig(
use_bases=[model.DeclarativeBase], as_base=True
)
metadata = custom_metadata
assert Base.metadata is custom_metadata
assert Base.metadata.info[DATABASE_BIND_KEY] is DEFAULT_KEY
def test_metadata_per_bind(tmp_path, ignore_base):
EllarSQLService(
databases={
"a": "sqlite:///app2.db",
"default": "sqlite:///app.db",
},
root_path=str(tmp_path),
)
assert get_metadata("a").metadata.info[DATABASE_BIND_KEY] == "a"
assert get_metadata("default").metadata.info[DATABASE_BIND_KEY] == "default"
def test_setup_fails_when_default_database_is_not_configured(tmp_path, ignore_base):
with pytest.raises(ImproperConfiguration):
EllarSQLService(
databases={
"a": "sqlite:///app2.db",
},
root_path=str(tmp_path),
)
with pytest.raises(ImproperConfiguration):
EllarSQLService(
databases={
"a",
"sqlite:///app2.db",
},
root_path=str(tmp_path),
)
def test_copy_naming_convention(tmp_path, ignore_base):
class Base(model.Model):
__base_config__ = ModelBaseConfig(
use_bases=[model.DeclarativeBase], as_base=True
)
metadata = model.MetaData(naming_convention={"pk": "spk_%(table_name)s"})
EllarSQLService(
databases={
"a": "sqlite:///app2.db",
"default": "sqlite:///app.db",
},
root_path=str(tmp_path),
)
assert Base.metadata.naming_convention["pk"] == "spk_%(table_name)s"
assert (
get_metadata("a").metadata.naming_convention
== get_metadata("default").metadata.naming_convention
)
#
def test_create_drop_all(tmp_path, ignore_base):
db_service = EllarSQLService(
databases={
"a": "sqlite:///app2.db",
"default": "sqlite:///app.db",
},
root_path=str(tmp_path),
)
class User(model.Model):
id = model.Column(model.Integer, primary_key=True)
class Post(model.Model):
__database__ = "a"
id = model.Column(model.Integer, primary_key=True)
session = db_service.session_factory()
with pytest.raises(sa_exc.OperationalError):
session.execute(model.select(User)).scalars()
with pytest.raises(sa_exc.OperationalError):
session.execute(model.select(Post)).scalars()
db_service.create_all()
session.execute(model.select(User)).scalars()
session.execute(model.select(Post)).scalars()
db_service.drop_all()
with pytest.raises(sa_exc.OperationalError):
session.execute(model.select(User)).scalars()
with pytest.raises(sa_exc.OperationalError):
session.execute(model.select(Post)).scalars()
@pytest.mark.parametrize("database_key", [["a"], ["a", "default"]])
def test_create_key_spec(database_key, tmp_path, ignore_base):
db_service = EllarSQLService(
databases={
"a": "sqlite:///app2.db",
"default": "sqlite:///app.db",
},
root_path=str(tmp_path),
)
class User(model.Model):
id = model.Column(model.Integer, primary_key=True)
class Post(model.Model):
__database__ = "a"
id = model.Column(model.Integer, primary_key=True)
db_service.create_all(*database_key)
session = db_service.session_factory()
session.execute(model.select(Post)).scalars()
if "default" not in database_key:
with pytest.raises(sa_exc.OperationalError):
session.execute(model.select(User)).scalars()
else:
session.execute(model.select(User)).scalars()
def test_reflect(tmp_path, ignore_base):
db_service = EllarSQLService(
databases={
"post": "sqlite:///post.db",
"default": "sqlite:///user.db",
},
root_path=str(tmp_path),
)
model.Table("user", model.Column("id", model.Integer, primary_key=True))
model.Table(
"post", model.Column("id", model.Integer, primary_key=True), __database__="post"
)
db_service.create_all()
del db_service
__model_database_metadata__.clear()
db_service = EllarSQLService(
databases={
"post": "sqlite:///post.db",
"default": "sqlite:///user.db",
},
root_path=str(tmp_path),
)
default_metadata = get_metadata("default").metadata
assert not default_metadata.tables
db_service.reflect()
assert "user" in __model_database_metadata__["default"].metadata.tables
assert "post" in __model_database_metadata__["post"].metadata.tables
@pytest.mark.asyncio
async def test_service_create_drop_all_async(tmp_path, ignore_base):
db_service = EllarSQLService(
databases={
"a": "sqlite+aiosqlite:///app2.db",
"default": "sqlite+aiosqlite:///app.db",
},
root_path=str(tmp_path),
)
class User(model.Model):
id = model.Column(model.Integer, primary_key=True)
class Post(model.Model):
__database__ = "a"
id = model.Column(model.Integer, primary_key=True)
session = db_service.session_factory()
with pytest.raises(sa_exc.OperationalError):
await session.execute(model.select(User))
with pytest.raises(sa_exc.OperationalError):
await session.execute(model.select(Post))
db_service.create_all()
user_res = await session.execute(model.select(User))
user_res.scalars()
post_res = await session.execute(model.select(Post))
post_res.scalars()
db_service.drop_all()
with pytest.raises(sa_exc.OperationalError):
await session.execute(model.select(User))
with pytest.raises(sa_exc.OperationalError):
await session.execute(model.select(Post))
@pytest.mark.asyncio
async def test_service_reflect_async(tmp_path, ignore_base):
db_service = EllarSQLService(
databases={
"post": "sqlite+aiosqlite:///post.db",
"default": "sqlite+aiosqlite:///user.db",
},
root_path=str(tmp_path),
)
model.Table("user", model.Column("id", model.Integer, primary_key=True))
model.Table(
"post", model.Column("id", model.Integer, primary_key=True), __database__="post"
)
db_service.create_all()
del db_service
__model_database_metadata__.clear()
db_service = EllarSQLService(
databases={
"post": "sqlite+aiosqlite:///post.db",
"default": "sqlite+aiosqlite:///user.db",
},
root_path=str(tmp_path),
)
default_metadata = get_metadata("default").metadata
assert not default_metadata.tables
db_service.reflect()
assert "user" in __model_database_metadata__["default"].metadata.tables
assert "post" in __model_database_metadata__["post"].metadata.tables
@pytest.mark.asyncio
async def test_using_create_drop_reflect_async_for_sync_engine_work(
db_service, ignore_base
):
class User(model.Model):
id = model.Column(model.Integer, primary_key=True)
db_service.create_all()
session = db_service.session_factory()
session.execute(model.select(User)).scalars()
db_service.drop_all()
with pytest.raises(sa_exc.OperationalError):
session.execute(model.select(User)).scalars()
db_service.reflect()