def test_unique_id_generation(self):
guid = GUID()
self.assertEqual('n0', guid.next('n'))
self.assertEqual('n1', guid.next('n'))
self.assertEqual('e0', guid.next('e'))
self.assertEqual('n2', guid.next('n'))
self.assertEqual('e1', guid.next('e'))
self.assertEqual({'n': 2, 'e': 1}, guid.ids)
def test_unique_id_parse(self):
self.assertEqual(('n', 8), GUID.parse('n8'))
self.assertEqual(('e', 122), GUID.parse('e122'))
def test_unique_id_update(self):
guid = GUID()
guid.update('n19')
guid.update('e7')
self.assertEqual({'n': 19, 'e': 7}, guid.ids)
