def testHash(self):
'''Test model instance hash'''
inst = Instrument(name = 'erz12', type = 'future', ccy = 'EUR')
self.assertRaises(TypeError,hash, inst)
inst.save()
h = hash(inst)
self.assertTrue(h)
def testUniqueId(self):
'''Test model instance unique id across different model'''
inst = Instrument(name = 'erz12', type = 'future', ccy = 'EUR')
self.assertRaises(inst.DoesNotExist, lambda : inst.uuid)
inst.save()
v = inst.uuid.split('.') # <<model hash>>.<<instance id>>
self.assertEqual(len(v),2)
self.assertEqual(v[0],inst._meta.hash)
self.assertEqual(v[1],str(inst.id))
def testHash(self):
'''Test model instance hash'''
inst = Instrument(name='erz12', type='future', ccy='EUR')
h0 = hash(inst)
self.assertTrue(h0)
inst.save()
h = hash(inst)
self.assertTrue(h)
self.assertNotEqual(h, h0)
