/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.
*/
package org.apache.ignite.spi.failover.always;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.UUID;
import org.apache.ignite.GridTestJobResult;
import org.apache.ignite.GridTestTaskSession;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.compute.ComputeJobResult;
import org.apache.ignite.spi.failover.GridFailoverTestContext;
import org.apache.ignite.testframework.GridTestNode;
import org.apache.ignite.testframework.junits.spi.GridSpiAbstractTest;
import org.apache.ignite.testframework.junits.spi.GridSpiTest;
import static org.apache.ignite.spi.failover.always.AlwaysFailoverSpi.FAILED_NODE_LIST_ATTR;
/**
* Always-failover SPI test.
*/
@GridSpiTest(spi = AlwaysFailoverSpi.class, group = "Failover SPI")
public class GridAlwaysFailoverSpiSelfTest extends GridSpiAbstractTest<AlwaysFailoverSpi> {
/**
* @throws Exception If failed.
*/
public void testSingleNode() throws Exception {
AlwaysFailoverSpi spi = getSpi();
List<ClusterNode> nodes = new ArrayList<>();
ClusterNode node = new GridTestNode(UUID.randomUUID());
nodes.add(node);
node = spi.failover(new GridFailoverTestContext(new GridTestTaskSession(), new GridTestJobResult(node)), nodes);
assert node == null;
}
/**
* @throws Exception If test failed.
*/
@SuppressWarnings("unchecked")
public void testTwoNodes() throws Exception {
AlwaysFailoverSpi spi = getSpi();
List<ClusterNode> nodes = new ArrayList<>();
nodes.add(new GridTestNode(UUID.randomUUID()));
nodes.add(new GridTestNode(UUID.randomUUID()));
ComputeJobResult jobRes = new GridTestJobResult(nodes.get(0));
ClusterNode node = spi.failover(new GridFailoverTestContext(new GridTestTaskSession(), jobRes), nodes);
assert node != null;
assert node.equals(nodes.get(1));
checkFailedNodes(jobRes, 1);
}
/**
* @throws Exception If failed.
*/
public void testMaxAttempts() throws Exception {
AlwaysFailoverSpi spi = getSpi();
spi.setMaximumFailoverAttempts(1);
List<ClusterNode> nodes = new ArrayList<>();
nodes.add(new GridTestNode(UUID.randomUUID()));
nodes.add(new GridTestNode(UUID.randomUUID()));
ComputeJobResult jobRes = new GridTestJobResult(nodes.get(0));
// First attempt.
ClusterNode node = spi.failover(new GridFailoverTestContext(new GridTestTaskSession(), jobRes), nodes);
assert node != null;
assert node.equals(nodes.get(1));
checkFailedNodes(jobRes, 1);
// Second attempt (exceeds default max attempts of 1).
node = spi.failover(new GridFailoverTestContext(new GridTestTaskSession(), jobRes), nodes);
assert node == null;
checkFailedNodes(jobRes, 1);
}
/**
* @param res Job result.
* @param cnt Failure count.
*/
@SuppressWarnings("unchecked")
private void checkFailedNodes(ComputeJobResult res, int cnt) {
Collection<UUID> failedNodes =
(Collection<UUID>)res.getJobContext().getAttribute(FAILED_NODE_LIST_ATTR);
assert failedNodes != null;
assert failedNodes.size() == cnt;
}
}