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import pytest
import sqlalchemy as sa
from sqlalchemy.ext.hybrid import hybrid_property
from sqlalchemy_utils import get_hybrid_properties
@pytest.fixture
def Category(Base):
class Category(Base):
__tablename__ = 'category'
id = sa.Column(sa.Integer, primary_key=True)
name = sa.Column(sa.Unicode(255))
@hybrid_property
def lowercase_name(self):
return self.name.lower()
@lowercase_name.expression
def lowercase_name(cls):
return sa.func.lower(cls.name)
return Category
class TestGetHybridProperties:
def test_declarative_model(self, Category):
assert (
list(get_hybrid_properties(Category).keys()) ==
['lowercase_name']
)
def test_mapper(self, Category):
assert (
list(get_hybrid_properties(sa.inspect(Category)).keys()) ==
['lowercase_name']
)
def test_aliased_class(self, Category):
props = get_hybrid_properties(sa.orm.aliased(Category))
assert list(props.keys()) == ['lowercase_name']
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