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import sqlalchemy as sa
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy_utils import get_type
class TestGetType(object):
def setup_method(self, method):
Base = declarative_base()
class User(Base):
__tablename__ = 'user'
id = sa.Column(sa.Integer, primary_key=True)
class Article(Base):
__tablename__ = 'article'
id = sa.Column(sa.Integer, primary_key=True)
author_id = sa.Column(sa.Integer, sa.ForeignKey(User.id))
author = sa.orm.relationship(User)
some_property = sa.orm.column_property(
sa.func.coalesce(id, 1)
)
self.Article = Article
self.User = User
def test_instrumented_attribute(self):
assert isinstance(get_type(self.Article.id), sa.Integer)
def test_column_property(self):
assert isinstance(get_type(self.Article.id.property), sa.Integer)
def test_column(self):
assert isinstance(get_type(self.Article.__table__.c.id), sa.Integer)
def test_calculated_column_property(self):
assert isinstance(get_type(self.Article.some_property), sa.Integer)
def test_relationship_property(self):
assert get_type(self.Article.author) == self.User
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