/*
* 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.kafka.streams.state.internals;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.test.TestUtils;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
public class OffsetCheckpointTest {
private final String topic = "topic";
@Test
public void testReadWrite() throws IOException {
File f = TestUtils.tempFile();
OffsetCheckpoint checkpoint = new OffsetCheckpoint(f);
try {
Map<TopicPartition, Long> offsets = new HashMap<>();
offsets.put(new TopicPartition(topic, 0), 0L);
offsets.put(new TopicPartition(topic, 1), 1L);
offsets.put(new TopicPartition(topic, 2), 2L);
checkpoint.write(offsets);
assertEquals(offsets, checkpoint.read());
checkpoint.delete();
assertFalse(f.exists());
offsets.put(new TopicPartition(topic, 3), 3L);
checkpoint.write(offsets);
assertEquals(offsets, checkpoint.read());
} finally {
checkpoint.delete();
}
}
}