def test_get(self):
imc_1 = IMCache()
imc_2 = IMCache()
combined = CombinedCache(imc_1, imc_2)
imc_1.put('a', 1)
self.assertEqual(combined.get('a'), 1)
imc_2.put('b', 1)
self.assertEqual(combined.get('b'), 1)
imc_1.put('c', 1)
imc_2.put('c', 2)
self.assertEqual(combined.get('c'), 1)
def test_get_update_closer_cache(self):
imc_1 = IMCache()
imc_2 = IMCache()
combined = CombinedCache(imc_1, imc_2)
imc_2.put('b', 1)
with self.assertRaises(imc_1.CacheMissException):
imc_1.get('b')
self.assertEqual(combined.get('b'), 1)
self.assertEqual(imc_1.get('b'), 1)