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from sqlalchemy import Integer
from sqlalchemy import testing
from sqlalchemy.orm import declarative_base
from sqlalchemy.orm import registry
from sqlalchemy.orm import Session
from sqlalchemy.testing import fixtures
from sqlalchemy.testing import is_
from sqlalchemy.testing.schema import Column
class BoundMetadataDeclarativeTest(fixtures.MappedTest):
def test_bound_declarative_base(self):
with testing.expect_deprecated(
"The ``bind`` argument to declarative_base"
):
Base = declarative_base(testing.db)
class User(Base):
__tablename__ = "user"
id = Column(Integer, primary_key=True)
s = Session()
with testing.expect_deprecated_20(
"This Session located a target engine via bound metadata"
):
is_(s.get_bind(User), testing.db)
def test_bound_cls_registry_base(self):
reg = registry(_bind=testing.db)
Base = reg.generate_base()
class User(Base):
__tablename__ = "user"
id = Column(Integer, primary_key=True)
s = Session()
with testing.expect_deprecated_20(
"This Session located a target engine via bound metadata"
):
is_(s.get_bind(User), testing.db)
def test_bound_cls_registry_decorated(self):
reg = registry(_bind=testing.db)
@reg.mapped
class User(object):
__tablename__ = "user"
id = Column(Integer, primary_key=True)
s = Session()
with testing.expect_deprecated_20(
"This Session located a target engine via bound metadata"
):
is_(s.get_bind(User), testing.db)
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