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import sqlalchemy as sa
from sqlalchemy.ext.declarative import instrument_declarative
from sqlalchemy.orm import Mapper
from sqlalchemy.testing import expect_deprecated_20
from sqlalchemy.testing import fixtures
from sqlalchemy.testing import is_
from sqlalchemy.testing import is_true
class TestInstrumentDeclarative(fixtures.TestBase):
def test_ok(self):
class Foo(object):
__tablename__ = "foo"
id = sa.Column(sa.Integer, primary_key=True)
meta = sa.MetaData()
reg = {}
with expect_deprecated_20(
"the instrument_declarative function is deprecated"
):
instrument_declarative(Foo, reg, meta)
mapper = sa.inspect(Foo)
is_true(isinstance(mapper, Mapper))
is_(mapper.class_, Foo)
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