def test_has_uuid(self):
expected_map = {
0: 'a',
75: 'b',
124769: 'c',
}
dms = DataMemorySet()
dms._element_map = expected_map
self.assertTrue(dms.has_uuid(0))
self.assertTrue(dms.has_uuid(75))
self.assertTrue(dms.has_uuid(124769))