package org.kairosdb.core.aggregator;
import org.junit.Test;
import org.kairosdb.core.DataPoint;
import org.kairosdb.core.datapoints.LongDataPoint;
import org.kairosdb.core.datastore.DataPointGroup;
import org.kairosdb.testing.ListDataPointGroup;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
/**
Created by bhawkins on 8/28/15.
*/
public class TrimAggregatorTest
{
@Test
public void test_oneDataPointWithTrimFirst()
{
ListDataPointGroup group = new ListDataPointGroup("trim_test");
group.addDataPoint(new LongDataPoint(1, 10));
TrimAggregator trimAggregator = new TrimAggregator();
trimAggregator.setTrim(TrimAggregator.Trim.FIRST);
DataPointGroup results = trimAggregator.aggregate(group);
assertThat(results.hasNext(), equalTo(false));
}
@Test
public void test_twoDataPointsWithTrimFirst()
{
ListDataPointGroup group = new ListDataPointGroup("trim_test");
group.addDataPoint(new LongDataPoint(1, 10));
group.addDataPoint(new LongDataPoint(2, 20));
TrimAggregator trimAggregator = new TrimAggregator();
trimAggregator.setTrim(TrimAggregator.Trim.FIRST);
DataPointGroup results = trimAggregator.aggregate(group);
assertThat(results.hasNext(), equalTo(true));
DataPoint dp = results.next();
assertThat(dp.getTimestamp(), equalTo(2L));
assertThat(dp.getLongValue(), equalTo(20L));
assertThat(results.hasNext(), equalTo(false));
}
@Test
public void test_threeDataPointWithTrimFirst()
{
ListDataPointGroup group = new ListDataPointGroup("trim_test");
group.addDataPoint(new LongDataPoint(1, 10));
group.addDataPoint(new LongDataPoint(2, 20));
group.addDataPoint(new LongDataPoint(3, 30));
TrimAggregator trimAggregator = new TrimAggregator();
trimAggregator.setTrim(TrimAggregator.Trim.FIRST);
DataPointGroup results = trimAggregator.aggregate(group);
assertThat(results.hasNext(), equalTo(true));
DataPoint dp = results.next();
assertThat(dp.getTimestamp(), equalTo(2L));
assertThat(dp.getLongValue(), equalTo(20L));
dp = results.next();
assertThat(dp.getTimestamp(), equalTo(3L));
assertThat(dp.getLongValue(), equalTo(30L));
assertThat(results.hasNext(), equalTo(false));
}
@Test
public void test_oneDataPointWithTrimLast()
{
ListDataPointGroup group = new ListDataPointGroup("trim_test");
group.addDataPoint(new LongDataPoint(1, 10));
TrimAggregator trimAggregator = new TrimAggregator();
trimAggregator.setTrim(TrimAggregator.Trim.LAST);
DataPointGroup results = trimAggregator.aggregate(group);
assertThat(results.hasNext(), equalTo(false));
}
@Test
public void test_twoDataPointsWithTrimLast()
{
ListDataPointGroup group = new ListDataPointGroup("trim_test");
group.addDataPoint(new LongDataPoint(1, 10));
group.addDataPoint(new LongDataPoint(2, 20));
TrimAggregator trimAggregator = new TrimAggregator();
trimAggregator.setTrim(TrimAggregator.Trim.LAST);
DataPointGroup results = trimAggregator.aggregate(group);
assertThat(results.hasNext(), equalTo(true));
DataPoint dp = results.next();
assertThat(dp.getTimestamp(), equalTo(1L));
assertThat(dp.getLongValue(), equalTo(10L));
assertThat(results.hasNext(), equalTo(false));
}
@Test
public void test_threeDataPointWithTrimLast()
{
ListDataPointGroup group = new ListDataPointGroup("trim_test");
group.addDataPoint(new LongDataPoint(1, 10));
group.addDataPoint(new LongDataPoint(2, 20));
group.addDataPoint(new LongDataPoint(3, 30));
TrimAggregator trimAggregator = new TrimAggregator();
trimAggregator.setTrim(TrimAggregator.Trim.LAST);
DataPointGroup results = trimAggregator.aggregate(group);
assertThat(results.hasNext(), equalTo(true));
DataPoint dp = results.next();
assertThat(dp.getTimestamp(), equalTo(1L));
assertThat(dp.getLongValue(), equalTo(10L));
dp = results.next();
assertThat(dp.getTimestamp(), equalTo(2L));
assertThat(dp.getLongValue(), equalTo(20L));
assertThat(results.hasNext(), equalTo(false));
}
@Test
public void test_oneDataPointWithTrimBoth()
{
ListDataPointGroup group = new ListDataPointGroup("trim_test");
group.addDataPoint(new LongDataPoint(1, 10));
TrimAggregator trimAggregator = new TrimAggregator();
trimAggregator.setTrim(TrimAggregator.Trim.BOTH);
DataPointGroup results = trimAggregator.aggregate(group);
assertThat(results.hasNext(), equalTo(false));
}
@Test
public void test_twoDataPointsWithTrimBoth()
{
ListDataPointGroup group = new ListDataPointGroup("trim_test");
group.addDataPoint(new LongDataPoint(1, 10));
group.addDataPoint(new LongDataPoint(2, 20));
TrimAggregator trimAggregator = new TrimAggregator();
trimAggregator.setTrim(TrimAggregator.Trim.BOTH);
DataPointGroup results = trimAggregator.aggregate(group);
assertThat(results.hasNext(), equalTo(false));
}
@Test
public void test_threeDataPointWithTrimBoth()
{
ListDataPointGroup group = new ListDataPointGroup("trim_test");
group.addDataPoint(new LongDataPoint(1, 10));
group.addDataPoint(new LongDataPoint(2, 20));
group.addDataPoint(new LongDataPoint(3, 30));
TrimAggregator trimAggregator = new TrimAggregator();
trimAggregator.setTrim(TrimAggregator.Trim.BOTH);
DataPointGroup results = trimAggregator.aggregate(group);
assertThat(results.hasNext(), equalTo(true));
DataPoint dp = results.next();
assertThat(dp.getTimestamp(), equalTo(2L));
assertThat(dp.getLongValue(), equalTo(20L));
assertThat(results.hasNext(), equalTo(false));
}
}