// This file is part of OpenTSDB.
// Copyright (C) 2015 The OpenTSDB Authors.
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 2.1 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 Lesser
// General Public License for more details. You should have received a copy
// of the GNU Lesser General Public License along with this program. If not,
// see <http://www.gnu.org/licenses/>.
package net.opentsdb.query.expression;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import net.opentsdb.core.DataPoint;
import net.opentsdb.core.DataPoints;
import net.opentsdb.core.SeekableView;
import net.opentsdb.core.SeekableViewsForTest;
import net.opentsdb.core.TSQuery;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PowerMockIgnore;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import com.sun.java_cup.internal.runtime.Scanner;
@RunWith(PowerMockRunner.class)
@PowerMockIgnore({"javax.management.*", "javax.xml.*",
"ch.qos.*", "org.slf4j.*",
"com.sum.*", "org.xml.*"})
@PrepareForTest({ TSQuery.class, Scanner.class })
public class TestSumSeries extends BaseTimeSyncedIteratorTest {
private static long START_TIME = 1356998400000L;
private static int INTERVAL = 60000;
private static int NUM_POINTS = 5;
private TSQuery data_query;
private SeekableView view;
private DataPoints dps;
private DataPoints[] group_bys;
private List<DataPoints[]> query_results;
private List<String> params;
private SumSeries func;
@Before
public void beforeLocal() throws Exception {
view = SeekableViewsForTest.generator(START_TIME, INTERVAL,
NUM_POINTS, true, 1, 1);
data_query = mock(TSQuery.class);
when(data_query.startTime()).thenReturn(START_TIME);
when(data_query.endTime()).thenReturn(START_TIME + (INTERVAL * NUM_POINTS));
dps = PowerMockito.mock(DataPoints.class);
when(dps.iterator()).thenReturn(view);
when(dps.metricName()).thenReturn(METRIC_STRING);
when(dps.metricUID()).thenReturn(new byte[] {0,0,1});
group_bys = new DataPoints[] { dps };
query_results = new ArrayList<DataPoints[]>(1);
query_results.add(group_bys);
params = new ArrayList<String>(1);
func = new SumSeries(tsdb);
}
@Test
public void sumOneSeriesEach() throws Exception {
SeekableView view2 = SeekableViewsForTest.generator(START_TIME, INTERVAL,
NUM_POINTS, true, 10, 1);
DataPoints dps2 = PowerMockito.mock(DataPoints.class);
when(dps2.iterator()).thenReturn(view2);
when(dps2.metricName()).thenReturn("sys.mem");
when(dps2.metricUID()).thenReturn(new byte[] {0,0,2});
group_bys = new DataPoints[] { dps2 };
query_results.add(group_bys);
final DataPoints[] results = func.evaluate(data_query, query_results, params);
assertEquals(1, results.length);
assertEquals(METRIC_STRING, results[0].metricName());
long ts = START_TIME;
double v = 11;
for (DataPoint dp : results[0]) {
assertEquals(ts, dp.timestamp());
assertEquals(v, dp.toDouble(), 0.001);
v += 2;
ts += INTERVAL;
}
}
@Test
public void sumMultipleSeriesEach() throws Exception {
oneExtraSameE();
queryAB_Dstar();
query_results.clear();
query_results.add(results.get("1").getValue());
query_results.add(results.get("0").getValue());
final DataPoints[] results = func.evaluate(data_query,
query_results, params);
assertEquals(3, results.length);
final int vals[] = new int[] { 12, 18, 17 };
for (int i = 0; i < results.length; i++) {
long ts = 1431561600000l;
final SeekableView it = results[i].iterator();
while (it.hasNext()) {
final DataPoint dp = it.next();
assertEquals(ts, dp.timestamp());
assertEquals(vals[i], dp.toDouble(), 0.0001);
if (i < 2) {
vals[i] += 2;
} else {
vals[i]++;
}
ts += INTERVAL;
}
}
}
@Test (expected = IllegalArgumentException.class)
public void sumOneResultSet() throws Exception {
func.evaluate(data_query, query_results, params);
}
@Test (expected = IllegalArgumentException.class)
public void sumTooManyResultSets() throws Exception {
SeekableView view2 = SeekableViewsForTest.generator(START_TIME, INTERVAL,
NUM_POINTS, true, 10, 1);
DataPoints dps2 = PowerMockito.mock(DataPoints.class);
when(dps2.iterator()).thenReturn(view2);
when(dps2.metricName()).thenReturn("sys.mem");
when(dps2.metricUID()).thenReturn(new byte[] {0,0,2});
group_bys = new DataPoints[] { dps2 };
// doesn't matter what they are
for (int i = 0; i < 100; i++) {
query_results.add(group_bys);
}
func.evaluate(data_query, query_results, params);
}
@Test (expected = IllegalArgumentException.class)
public void evaluateNullQuery() throws Exception {
params.add("1");
func.evaluate(null, query_results, params);
}
@Test
public void evaluateNullResults() throws Exception {
params.add("1");
final DataPoints[] results = func.evaluate(data_query, null, params);
assertEquals(0, results.length);
}
@Test (expected = IllegalArgumentException.class)
public void evaluateNullParams() throws Exception {
func.evaluate(data_query, query_results, null);
}
@Test
public void evaluateEmptyResults() throws Exception {
params.add("1");
final DataPoints[] results = func.evaluate(data_query,
Collections.<DataPoints[]>emptyList(), params);
assertEquals(0, results.length);
}
@Test
public void writeStringField() throws Exception {
params.add("1");
assertEquals("sumSeries(inner_expression)",
func.writeStringField(params, "inner_expression"));
assertEquals("sumSeries(null)", func.writeStringField(params, null));
assertEquals("sumSeries()", func.writeStringField(params, ""));
assertEquals("sumSeries(inner_expression)",
func.writeStringField(null, "inner_expression"));
}
}