/**
* 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.crunch;
import java.io.Serializable;
import org.apache.crunch.impl.mr.MRPipeline;
import org.apache.crunch.io.From;
import org.apache.crunch.io.avro.AvroFileTarget;
import org.apache.crunch.test.CrunchTestSupport;
import org.apache.crunch.test.Person;
import org.apache.crunch.types.avro.Avros;
import org.apache.hadoop.fs.Path;
import org.junit.Test;
public class EmitNullAvroIT extends CrunchTestSupport implements Serializable {
@Test
public void testNullableAvroPTable() throws Exception {
// This test fails if values are not nullable
final Pipeline p = new MRPipeline(EmitNullAvroIT.class, tempDir.getDefaultConfiguration());
final Path outDir = tempDir.getPath("out");
final PCollection<String> input = p.read(From.textFile(tempDir.copyResourceFileName("docs.txt")));
input.parallelDo(new MapFn<String, Pair<String, Person>>() {
@Override
public Pair<String, Person> map(final String input) {
return new Pair<String, Person>("first name", null);
}
}, Avros.tableOf(Avros.strings(), Avros.records(Person.class)))
.write(new AvroFileTarget(outDir), Target.WriteMode.APPEND);
p.done();
}
}