/*
* Licensed to Crate under one or more contributor license agreements.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership. Crate licenses this file
* to you under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial
* agreement.
*/
package io.crate.operation.collect.collectors;
import io.crate.analyze.OrderBy;
import io.crate.analyze.WhereClause;
import io.crate.analyze.symbol.Symbol;
import io.crate.data.BatchIterator;
import io.crate.executor.transport.NodeStatsRequest;
import io.crate.executor.transport.TransportNodeStatsAction;
import io.crate.metadata.Reference;
import io.crate.metadata.ReferenceIdent;
import io.crate.metadata.RowGranularity;
import io.crate.metadata.sys.SysNodesTableInfo;
import io.crate.operation.InputFactory;
import io.crate.planner.node.dql.RoutedCollectPhase;
import io.crate.test.integration.CrateUnitTest;
import io.crate.testing.BatchIteratorTester;
import io.crate.types.DataTypes;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.unit.TimeValue;
import org.junit.Before;
import org.junit.Test;
import java.util.*;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import static io.crate.testing.DiscoveryNodes.newNode;
import static io.crate.testing.TestingHelpers.getFunctions;
import static org.mockito.Mockito.*;
public class NodeStatsIteratorTest extends CrateUnitTest {
private RoutedCollectPhase collectPhase;
private Collection<DiscoveryNode> nodes = new HashSet<>();
private TransportNodeStatsAction transportNodeStatsAction = mock(TransportNodeStatsAction.class);
private Reference idRef;
private Reference nameRef;
private Reference hostnameRef;
@Before
public void prepare() {
idRef = new Reference(
new ReferenceIdent(SysNodesTableInfo.IDENT, SysNodesTableInfo.Columns.ID),
RowGranularity.DOC, DataTypes.STRING);
nameRef = new Reference(
new ReferenceIdent(SysNodesTableInfo.IDENT, SysNodesTableInfo.Columns.ID),
RowGranularity.DOC, DataTypes.STRING);
hostnameRef = new Reference(
new ReferenceIdent(SysNodesTableInfo.IDENT, SysNodesTableInfo.Columns.HOSTNAME),
RowGranularity.DOC, DataTypes.STRING);
collectPhase = mock(RoutedCollectPhase.class);
when(collectPhase.whereClause()).thenReturn(WhereClause.NO_MATCH);
nodes.add(newNode("nodeOne"));
nodes.add(newNode("nodeTwo"));
}
@Test
public void testNoRequestIfNotRequired() throws InterruptedException, ExecutionException, TimeoutException {
List<Symbol> toCollect = new ArrayList<>();
toCollect.add(idRef);
when(collectPhase.toCollect()).thenReturn(toCollect);
BatchIterator iterator = NodeStatsIterator.newInstance(
transportNodeStatsAction,
collectPhase,
nodes,
new InputFactory(getFunctions())
);
iterator.loadNextBatch();
// Because only id and name are selected, transportNodesStatsAction should be never used
verifyNoMoreInteractions(transportNodeStatsAction);
}
@Test
public void testRequestsAreIssued() throws InterruptedException, ExecutionException, TimeoutException {
List<Symbol> toCollect = new ArrayList<>();
toCollect.add(idRef);
toCollect.add(nameRef);
when(collectPhase.toCollect()).thenReturn(toCollect);
BatchIterator iterator = NodeStatsIterator.newInstance(
transportNodeStatsAction,
collectPhase,
nodes,
new InputFactory(getFunctions())
);
iterator.loadNextBatch();
verifyNoMoreInteractions(transportNodeStatsAction);
}
@Test
public void testRequestsIfRequired() throws InterruptedException, ExecutionException, TimeoutException {
List<Symbol> toCollect = new ArrayList<>();
toCollect.add(idRef);
toCollect.add(hostnameRef);
when(collectPhase.toCollect()).thenReturn(toCollect);
BatchIterator iterator = NodeStatsIterator.newInstance(
transportNodeStatsAction,
collectPhase,
nodes,
new InputFactory(getFunctions())
);
iterator.loadNextBatch();
// Hostnames needs to be collected so requests need to be performed
verify(transportNodeStatsAction).execute(eq("nodeOne"), any(NodeStatsRequest.class), any(ActionListener.class),
eq(TimeValue.timeValueMillis(3000L)));
verify(transportNodeStatsAction).execute(eq("nodeTwo"), any(NodeStatsRequest.class), any(ActionListener.class),
eq(TimeValue.timeValueMillis(3000L)));
verifyNoMoreInteractions(transportNodeStatsAction);
}
@Test
public void testNodeStatsIteratorContrat() throws Exception {
List<Symbol> toCollect = new ArrayList<>();
toCollect.add(idRef);
when(collectPhase.toCollect()).thenReturn(toCollect);
when(collectPhase.whereClause()).thenReturn(WhereClause.MATCH_ALL);
when(collectPhase.orderBy()).thenReturn(new OrderBy(Collections.singletonList(idRef),
new boolean[]{false}, new Boolean[]{true}));
List<Object[]> expectedResult = Arrays.asList(
new Object[]{new BytesRef("nodeOne")},
new Object[]{new BytesRef("nodeTwo")}
);
BatchIteratorTester tester = new BatchIteratorTester(() -> NodeStatsIterator.newInstance(
transportNodeStatsAction,
collectPhase,
nodes,
new InputFactory(getFunctions())
));
tester.verifyResultAndEdgeCaseBehaviour(expectedResult);
}
}