def test_checksum_persistence(self):
        checksum = '397fc6229a59429ee114441b780fe7a2'
        state_handler.set_checksum(0, checksum)
        getter = ChecksumGetter(0)
        getter.start()
        getter.join()
        self.assertEqual(getter.checksum, checksum)
        state_handler.clear_checksum(0)
        getter = ChecksumGetter(0)
        getter.start()
        getter.join()
        self.assertIsNone(getter.checksum)
Make sure checksums are shared between threads.
dataset/ETHPy150Open charettes/django-mutant/tests/test_state.py/MemoryHandlerTest.test_checksum_persistence