90 lines
2.3 KiB
Python
90 lines
2.3 KiB
Python
from pytest import raises
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import sqlalchemy as sa
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy_utils import get_mapper
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class TestGetMapper(object):
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def setup_method(self, method):
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self.Base = declarative_base()
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class Building(self.Base):
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__tablename__ = 'building'
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id = sa.Column(sa.Integer, primary_key=True)
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self.Building = Building
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def test_table(self):
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assert get_mapper(self.Building.__table__) == sa.inspect(self.Building)
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def test_declarative_class(self):
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assert (
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get_mapper(self.Building) ==
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sa.inspect(self.Building)
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)
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def test_declarative_object(self):
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assert (
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get_mapper(self.Building()) ==
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sa.inspect(self.Building)
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)
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def test_mapper(self):
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assert (
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get_mapper(self.Building.__mapper__) ==
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sa.inspect(self.Building)
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)
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def test_class_alias(self):
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assert (
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get_mapper(sa.orm.aliased(self.Building)) ==
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sa.inspect(self.Building)
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)
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def test_table_alias(self):
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alias = sa.orm.aliased(self.Building.__table__)
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assert (
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get_mapper(alias) ==
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sa.inspect(self.Building)
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)
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class TestGetMapperWithMultipleMappersFound(object):
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def setup_method(self, method):
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Base = declarative_base()
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class Building(Base):
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__tablename__ = 'building'
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id = sa.Column(sa.Integer, primary_key=True)
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class BigBuilding(Building):
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pass
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self.Building = Building
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self.BigBuilding = BigBuilding
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def test_table(self):
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with raises(ValueError):
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get_mapper(self.Building.__table__)
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def test_table_alias(self):
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alias = sa.orm.aliased(self.Building.__table__)
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with raises(ValueError):
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get_mapper(alias)
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class TestGetMapperForTableWithoutMapper(object):
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def setup_method(self, method):
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metadata = sa.MetaData()
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self.building = sa.Table('building', metadata)
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def test_table(self):
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with raises(ValueError):
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get_mapper(self.building)
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def test_table_alias(self):
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alias = sa.orm.aliased(self.building)
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with raises(ValueError):
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get_mapper(alias)
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