Examples with GroupBy com.yahoo.bullet.aggregations.GroupBy used on opensource projects

Example 1 with GroupBy

use of com.yahoo.bullet.aggregations.GroupBy in project bullet-storm by yahoo.

the class JoinBoltTest method testGroupBy.

@Test
public void testGroupBy() {
    final int entries = 16;
    BulletConfig bulletConfig = GroupByTest.makeConfiguration(entries);
    GroupBy groupBy = GroupByTest.makeGroupBy(bulletConfig, singletonMap("fieldA", "A"), entries, AggregationUtils.makeGroupOperation(COUNT, null, "cnt"), AggregationUtils.makeGroupOperation(SUM, "fieldB", "sumB"));
    IntStream.range(0, 256).mapToObj(i -> RecordBox.get().add("fieldA", i % 16).add("fieldB", i / 16).getRecord()).forEach(groupBy::consume);
    byte[] first = groupBy.getData();
    groupBy = GroupByTest.makeGroupBy(bulletConfig, singletonMap("fieldA", "A"), entries, AggregationUtils.makeGroupOperation(COUNT, null, "cnt"), AggregationUtils.makeGroupOperation(SUM, "fieldB", "sumB"));
    IntStream.range(256, 1024).mapToObj(i -> RecordBox.get().add("fieldA", i % 16).add("fieldB", i / 16).getRecord()).forEach(groupBy::consume);
    byte[] second = groupBy.getData();
    // Send generated data to JoinBolt
    bolt = new DonableJoinBolt(config, 2, true);
    setup(bolt);
    List<GroupOperation> operations = asList(new GroupOperation(COUNT, null, "cnt"), new GroupOperation(SUM, "fieldB", "sumB"));
    String queryString = makeGroupFilterQuery("ts", singletonList("1"), EQUALS, GROUP, entries, operations, Pair.of("fieldA", "A"));
    Tuple query = TupleUtils.makeIDTuple(TupleClassifier.Type.QUERY_TUPLE, "42", queryString, EMPTY);
    bolt.execute(query);
    sendRawByteTuplesTo(bolt, "42", asList(first, second));
    Tuple tick = TupleUtils.makeTuple(TupleClassifier.Type.TICK_TUPLE);
    bolt.execute(tick);
    for (int i = 0; i < BulletStormConfig.DEFAULT_JOIN_BOLT_QUERY_TICK_TIMEOUT - 1; ++i) {
        bolt.execute(tick);
        Assert.assertEquals(collector.getEmittedCount(), 0);
    }
    bolt.execute(tick);
    Assert.assertEquals(collector.getEmittedCount(), 2);
    String response = (String) collector.getMthElementFromNthTupleEmittedTo(TopologyConstants.RESULT_STREAM, 1, 1).get();
    JsonParser parser = new JsonParser();
    JsonObject actual = parser.parse(response).getAsJsonObject();
    JsonArray actualRecords = actual.get(Clip.RECORDS_KEY).getAsJsonArray();
    Assert.assertEquals(actualRecords.size(), 16);
}