@Test
public void testAvroReflectSortPair() throws IOException {
Pipeline pipeline = new SparkPipeline("local", "sort");
pipeline.enableDebug();
String rsrc = tmpDir.copyResourceFileName("set2.txt");
PCollection<Pair<String, StringWrapper>> in = pipeline.readTextFile(rsrc)
.parallelDo(new MapFn<String, Pair<String, StringWrapper>>() {
@Override
public Pair<String, StringWrapper> map(String input) {
return Pair.of(input, wrap(input));