/*
* 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.connect.file;
import org.apache.kafka.clients.consumer.OffsetAndMetadata;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.connect.data.Schema;
import org.apache.kafka.connect.sink.SinkRecord;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.HashMap;
import static org.junit.Assert.assertEquals;
public class FileStreamSinkTaskTest {
private FileStreamSinkTask task;
private ByteArrayOutputStream os;
private PrintStream printStream;
@Before
public void setup() {
os = new ByteArrayOutputStream();
printStream = new PrintStream(os);
task = new FileStreamSinkTask(printStream);
}
@Test
public void testPutFlush() {
HashMap<TopicPartition, OffsetAndMetadata> offsets = new HashMap<>();
final String newLine = System.getProperty("line.separator");
// We do not call task.start() since it would override the output stream
task.put(Arrays.asList(
new SinkRecord("topic1", 0, null, null, Schema.STRING_SCHEMA, "line1", 1)
));
offsets.put(new TopicPartition("topic1", 0), new OffsetAndMetadata(1L));
task.flush(offsets);
assertEquals("line1" + newLine, os.toString());
task.put(Arrays.asList(
new SinkRecord("topic1", 0, null, null, Schema.STRING_SCHEMA, "line2", 2),
new SinkRecord("topic2", 0, null, null, Schema.STRING_SCHEMA, "line3", 1)
));
offsets.put(new TopicPartition("topic1", 0), new OffsetAndMetadata(2L));
offsets.put(new TopicPartition("topic2", 0), new OffsetAndMetadata(1L));
task.flush(offsets);
assertEquals("line1" + newLine + "line2" + newLine + "line3" + newLine, os.toString());
}
}