def test_queue_failure_on_retry(self):
        listener = _TestListener()
        pool = ConnectionPool(pool_size=5, max_overflow=5, recycle=10000,
                         prefill=True, max_retries=3, # allow 3 retries
                         keyspace='PycassaTestKeyspace', credentials=_credentials,
                         listeners=[listener], use_threadlocal=False,
                         server_list=['localhost:9160', 'localhost:9160'])
        def raiser():
            raise IOError
        # Replace wrapper will open a connection to get the version, so if it
        # fails we need to retry as with any other connection failure
        pool._replace_wrapper = raiser

        # Corrupt all of the connections
        for i in range(5):
            conn = pool.get()
            setattr(conn, 'send_batch_mutate', conn._fail_once)
            conn._should_fail = True
            conn.return_to_pool()

        cf = ColumnFamily(pool, 'Standard1')
        assert_raises(MaximumRetryException, cf.insert, 'key', {'col':'val', 'col2': 'val'})
        assert_equal(listener.failure_count, 4) # On the 4th failure, didn't retry

        pool.dispose()
Beispiel #2
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    def test_queue_failure_on_retry(self):
        listener = _TestListener()
        pool = ConnectionPool(pool_size=5, max_overflow=5, recycle=10000,
                         prefill=True, max_retries=3, # allow 3 retries
                         keyspace='PycassaTestKeyspace', credentials=_credentials,
                         listeners=[listener], use_threadlocal=False,
                         server_list=['localhost:9160', 'localhost:9160'])
        def raiser():
            raise IOError
        # Replace wrapper will open a connection to get the version, so if it
        # fails we need to retry as with any other connection failure
        pool._replace_wrapper = raiser

        # Corrupt all of the connections
        for i in range(5):
            conn = pool.get()
            setattr(conn, 'send_batch_mutate', conn._fail_once)
            conn._should_fail = True
            conn.return_to_pool()

        cf = ColumnFamily(pool, 'Standard1')
        assert_raises(MaximumRetryException, cf.insert, 'key', {'col':'val', 'col2': 'val'})
        assert_equal(listener.failure_count, 4) # On the 4th failure, didn't retry

        pool.dispose()