modules/core/src/test/java/org/apache/ignite/internal/IgniteComputeJobOneThreadTest.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.
 */

package org.apache.ignite.internal;

import org.apache.ignite.Ignite;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.lang.IgniteFuture;
import org.apache.ignite.lang.IgniteRunnable;
import org.apache.ignite.spi.collision.fifoqueue.FifoQueueCollisionSpi;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.junit.Test;

/**
 * Test of absence of gaps between jobs in compute
 */
public class IgniteComputeJobOneThreadTest extends GridCommonAbstractTest {
    /** {@inheritDoc} */
    @Override protected IgniteConfiguration getConfiguration(String name) throws Exception {
        FifoQueueCollisionSpi colSpi = new FifoQueueCollisionSpi();
        colSpi.setParallelJobsNumber(1);

        return super.getConfiguration(name)
            .setMetricsUpdateFrequency(10000)
            .setCollisionSpi(colSpi);
    }

    /** {@inheritDoc} */
    @Override protected void beforeTest() throws Exception {
        startGrid(0);
    }

    /** {@inheritDoc} */
    @Override protected void afterTest() throws Exception {
        stopAllGrids();
    }

    /** {@inheritDoc} */
    @Override protected long getTestTimeout() {
        return 10000;
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testNoTimeout() throws Exception {
        Ignite ignite = ignite(0);

        IgniteFuture fut = null;

        for (int i = 0; i < 10000; i++) {
            fut = ignite.compute().runAsync(new IgniteRunnable() {
                @Override public void run() {

                }
            });
        }

        fut.get();

        assertTrue(true);
    }
}