/*
* Druid - a distributed column store.
* Copyright (C) 2012, 2013, 2014 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package io.druid.query;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.metamx.common.guava.Sequence;
import com.metamx.common.guava.Sequences;
import io.druid.query.aggregation.AggregatorFactory;
import io.druid.query.aggregation.CountAggregatorFactory;
import io.druid.query.timeboundary.TimeBoundaryResultValue;
import io.druid.query.timeseries.TimeseriesResultValue;
import org.joda.time.DateTime;
import org.joda.time.Interval;
import org.joda.time.Period;
import org.junit.Assert;
import org.junit.Test;
import java.util.Arrays;
import java.util.Map;
public class TimewarpOperatorTest
{
public static final ImmutableMap<String, Object> CONTEXT = ImmutableMap.of();
TimewarpOperator<Result<TimeseriesResultValue>> testOperator = new TimewarpOperator<>(
new Interval(new DateTime("2014-01-01"), new DateTime("2014-01-15")),
new Period("P1W"),
new DateTime("2014-01-06") // align on Monday
);
@Test
public void testComputeOffset() throws Exception
{
{
final DateTime t = new DateTime("2014-01-23");
final DateTime tOffset = new DateTime("2014-01-09");
Assert.assertEquals(
new DateTime(tOffset),
t.plus(testOperator.computeOffset(t.getMillis()))
);
}
{
final DateTime t = new DateTime("2014-08-02");
final DateTime tOffset = new DateTime("2014-01-11");
Assert.assertEquals(
new DateTime(tOffset),
t.plus(testOperator.computeOffset(t.getMillis()))
);
}
}
@Test
public void testPostProcess() throws Exception
{
QueryRunner<Result<TimeseriesResultValue>> queryRunner = testOperator.postProcess(
new QueryRunner<Result<TimeseriesResultValue>>()
{
@Override
public Sequence<Result<TimeseriesResultValue>> run(
Query<Result<TimeseriesResultValue>> query,
Map<String, Object> context
)
{
return Sequences.simple(
ImmutableList.of(
new Result<>(
new DateTime(new DateTime("2014-01-09")),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 2))
),
new Result<>(
new DateTime(new DateTime("2014-01-11")),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 3))
),
new Result<>(
query.getIntervals().get(0).getEnd(),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 5))
)
)
);
}
},
new DateTime("2014-08-02").getMillis()
);
final Query<Result<TimeseriesResultValue>> query =
Druids.newTimeseriesQueryBuilder()
.dataSource("dummy")
.intervals("2014-07-31/2014-08-05")
.aggregators(Arrays.<AggregatorFactory>asList(new CountAggregatorFactory("count")))
.build();
Assert.assertEquals(
Lists.newArrayList(
new Result<>(
new DateTime("2014-07-31"),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 2))
),
new Result<>(
new DateTime("2014-08-02"),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 3))
),
new Result<>(
new DateTime("2014-08-02"),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 5))
)
),
Sequences.toList(queryRunner.run(query, CONTEXT), Lists.<Result<TimeseriesResultValue>>newArrayList())
);
TimewarpOperator<Result<TimeBoundaryResultValue>> timeBoundaryOperator = new TimewarpOperator<>(
new Interval(new DateTime("2014-01-01"), new DateTime("2014-01-15")),
new Period("P1W"),
new DateTime("2014-01-06") // align on Monday
);
QueryRunner<Result<TimeBoundaryResultValue>> timeBoundaryRunner = timeBoundaryOperator.postProcess(
new QueryRunner<Result<TimeBoundaryResultValue>>()
{
@Override
public Sequence<Result<TimeBoundaryResultValue>> run(
Query<Result<TimeBoundaryResultValue>> query,
Map<String, Object> context
)
{
return Sequences.simple(
ImmutableList.of(
new Result<>(
new DateTime("2014-01-12"),
new TimeBoundaryResultValue(
ImmutableMap.<String, Object>of(
"maxTime",
new DateTime("2014-01-12")
)
)
)
)
);
}
},
new DateTime("2014-08-02").getMillis()
);
final Query<Result<TimeBoundaryResultValue>> timeBoundaryQuery =
Druids.newTimeBoundaryQueryBuilder()
.dataSource("dummy")
.build();
Assert.assertEquals(
Lists.newArrayList(
new Result<>(
new DateTime("2014-08-02"),
new TimeBoundaryResultValue(ImmutableMap.<String, Object>of("maxTime", new DateTime("2014-08-02")))
)
),
Sequences.toList(
timeBoundaryRunner.run(timeBoundaryQuery, CONTEXT),
Lists.<Result<TimeBoundaryResultValue>>newArrayList()
)
);
}
@Test
public void testEmptyFutureInterval() throws Exception
{
QueryRunner<Result<TimeseriesResultValue>> queryRunner = testOperator.postProcess(
new QueryRunner<Result<TimeseriesResultValue>>()
{
@Override
public Sequence<Result<TimeseriesResultValue>> run(
Query<Result<TimeseriesResultValue>> query,
Map<String, Object> context
)
{
return Sequences.simple(
ImmutableList.of(
new Result<>(
query.getIntervals().get(0).getStart(),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 2))
),
new Result<>(
query.getIntervals().get(0).getEnd(),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 3))
)
)
);
}
},
new DateTime("2014-08-02").getMillis()
);
final Query<Result<TimeseriesResultValue>> query =
Druids.newTimeseriesQueryBuilder()
.dataSource("dummy")
.intervals("2014-08-06/2014-08-08")
.aggregators(Arrays.<AggregatorFactory>asList(new CountAggregatorFactory("count")))
.build();
Assert.assertEquals(
Lists.newArrayList(
new Result<>(
new DateTime("2014-08-02"),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 2))
),
new Result<>(
new DateTime("2014-08-02"),
new TimeseriesResultValue(ImmutableMap.<String, Object>of("metric", 3))
)
),
Sequences.toList(queryRunner.run(query, Maps.<String, Object>newHashMap()), Lists.<Result<TimeseriesResultValue>>newArrayList())
);
}
}