GridJobStealingFailoverSpiOneNodeSelfTest.java

/*
 * 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.
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package org.apache.ignite.spi.failover.jobstealing;

import java.util.Collections;
import java.util.UUID;
import org.apache.ignite.GridTestJobResult;
import org.apache.ignite.GridTestTaskSession;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.internal.IgniteNodeAttributes;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.spi.collision.jobstealing.JobStealingCollisionSpi;
import org.apache.ignite.spi.failover.GridFailoverTestContext;
import org.apache.ignite.testframework.GridSpiTestContext;
import org.apache.ignite.testframework.GridTestNode;
import org.apache.ignite.testframework.junits.spi.GridSpiAbstractTest;
import org.apache.ignite.testframework.junits.spi.GridSpiTest;

/**
 * Job stealing failover SPI test for one node.
 */
@GridSpiTest(spi = JobStealingFailoverSpi.class, group = "Failover SPI")
public class GridJobStealingFailoverSpiOneNodeSelfTest extends GridSpiAbstractTest<JobStealingFailoverSpi> {
    /** {@inheritDoc} */
    @Override protected GridSpiTestContext initSpiContext() throws Exception {
        GridSpiTestContext ctx = super.initSpiContext();

        ctx.setLocalNode(addSpiDependency(new GridTestNode(UUID.randomUUID())));

        ctx.addNode(addSpiDependency(new GridTestNode(UUID.randomUUID())));

        return ctx;
    }

    /**
     * Adds Collision SPI attribute.
     *
     * @param node Node to add attribute to.
     * @return Passed in node.
     * @throws Exception If failed.
     */
    private ClusterNode addSpiDependency(GridTestNode node) throws Exception {
        node.addAttribute(
            U.spiAttribute(getSpi(), IgniteNodeAttributes.ATTR_SPI_CLASS),
            JobStealingCollisionSpi.class.getName());

        node.addAttribute(
            U.spiAttribute(getSpi(), IgniteNodeAttributes.ATTR_SPI_CLASS),
            JobStealingCollisionSpi.class.getName());

        return node;
    }

    /**
     * @throws Exception If test failed.
     */
    public void testFailover() throws Exception {
        ClusterNode rmt = getSpiContext().remoteNodes().iterator().next();

        GridTestJobResult failed = new GridTestJobResult(rmt);

        failed.getJobContext().setAttribute(JobStealingCollisionSpi.THIEF_NODE_ATTR,
            getSpiContext().localNode().id());

        ClusterNode other = getSpi().failover(new GridFailoverTestContext(new GridTestTaskSession(), failed),
            Collections.singletonList(getSpiContext().remoteNodes().iterator().next()));

        assert other == rmt : "Invalid failed-over node: " + other;
    }

    /**
     * @throws Exception If test failed.
     */
    public void testNoFailover() throws Exception {
        ClusterNode rmt = getSpiContext().remoteNodes().iterator().next();

        GridTestJobResult failed = new GridTestJobResult(rmt);

        ClusterNode other = getSpi().failover(new GridFailoverTestContext(new GridTestTaskSession(), failed),
            Collections.singletonList(getSpiContext().remoteNodes().iterator().next()));

        assert other == null;
    }
}