/*
* 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.flink.streaming.connectors.kafka.internals;
import org.junit.Test;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
public class KafkaTopicPartitionTest {
@Test
public void validateUid() {
Field uidField;
try {
uidField = KafkaTopicPartition.class.getDeclaredField("serialVersionUID");
uidField.setAccessible(true);
}
catch (NoSuchFieldException e) {
fail("serialVersionUID is not defined");
return;
}
assertTrue(Modifier.isStatic(uidField.getModifiers()));
assertTrue(Modifier.isFinal(uidField.getModifiers()));
assertTrue(Modifier.isPrivate(uidField.getModifiers()));
assertEquals(long.class, uidField.getType());
// the UID has to be constant to make sure old checkpoints/savepoints can be read
try {
assertEquals(722083576322742325L, uidField.getLong(null));
}
catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
}
}
}