/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.nifi.controller.state;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.apache.nifi.components.state.StateMap;
import org.junit.Test;
import org.wali.UpdateType;
public class TestStateMapSerDe {
@Test
public void testCreateRoundTrip() throws IOException {
final String componentId = "1234";
final StateMapSerDe serde = new StateMapSerDe();
final Map<String, String> stateValues = new HashMap<>();
stateValues.put("abc", "xyz");
stateValues.put("cba", "zyx");
final StateMap stateMap = new StandardStateMap(stateValues, 3L);
final StateMapUpdate record = new StateMapUpdate(stateMap, componentId, UpdateType.CREATE);
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (final DataOutputStream out = new DataOutputStream(baos)) {
serde.serializeRecord(record, out);
}
final StateMapUpdate update;
final ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
try (final DataInputStream in = new DataInputStream(bais)) {
update = serde.deserializeRecord(in, serde.getVersion());
}
assertNotNull(update);
assertEquals(componentId, update.getComponentId());
assertEquals(UpdateType.CREATE, update.getUpdateType());
final StateMap recoveredStateMap = update.getStateMap();
assertEquals(3L, recoveredStateMap.getVersion());
assertEquals(stateValues, recoveredStateMap.toMap());
}
}