def test_value_managers_are_keeping_model_instances_isolated(self):
"""
Tests that instance value managers are isolated from other instances
"""
inst1 = TestModel(count=5)
inst2 = TestModel(count=7)
self.assertNotEquals(inst1.count, inst2.count)
self.assertEquals(inst1.count, 5)
self.assertEquals(inst2.count, 7)
def test_column_attributes_handled_correctly(self):
"""
Tests that column attributes are moved to a _columns dict
and replaced with simple value attributes
"""
#check class attibutes
self.assertHasAttr(TestModel, '_columns')
self.assertHasAttr(TestModel, 'vid')
self.assertHasAttr(TestModel, 'text')
#check instance attributes
inst = TestModel()
self.assertHasAttr(inst, 'vid')
self.assertHasAttr(inst, 'text')
self.assertIsNone(inst.vid)
self.assertIsNone(inst.text)
