modules/core/src/test/java/org/apache/ignite/thread/IgniteThreadPoolSizeTest.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.thread;

import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.IgniteException;
import org.apache.ignite.Ignition;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.junit.Test;

import static org.apache.ignite.testframework.GridTestUtils.assertThrowsAnyCause;

/**
 *
 */
public class IgniteThreadPoolSizeTest extends GridCommonAbstractTest {
    /** Wrong thread pool size value for testing */
    private static final int WRONG_VALUE = 0;

    /**
     * @return Ignite configuration.
     */
    private IgniteConfiguration configuration() {
        return new IgniteConfiguration();
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testAsyncCallbackPoolSize() throws Exception {
        testWrongPoolSize(configuration().setAsyncCallbackPoolSize(WRONG_VALUE));
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testManagementThreadPoolSize() throws Exception {
        testWrongPoolSize(configuration().setManagementThreadPoolSize(WRONG_VALUE));
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testPeerClassLoadingThreadPoolSize() throws Exception {
        testWrongPoolSize(configuration().setPeerClassLoadingThreadPoolSize(WRONG_VALUE));
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testPublicThreadPoolSize() throws Exception {
        testWrongPoolSize(configuration().setPublicThreadPoolSize(WRONG_VALUE));
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testRebalanceThreadPoolSize() throws Exception {
        assertThrowsAnyCause(log, () -> Ignition.start(configuration().setRebalanceThreadPoolSize(WRONG_VALUE)),
            IgniteException.class, "thread pool size");
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testSystemThreadPoolSize() throws Exception {
        testWrongPoolSize(configuration().setSystemThreadPoolSize(WRONG_VALUE));
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testUtilityCachePoolSize() throws Exception {
        testWrongPoolSize(configuration().setUtilityCachePoolSize(WRONG_VALUE));
    }

    /**
     * @throws Exception If failed.
     */
    @Test
    public void testConnectorThreadPoolSize() throws Exception {
        final IgniteConfiguration cfg = configuration();

        cfg.getConnectorConfiguration().setThreadPoolSize(WRONG_VALUE);

        testWrongPoolSize(cfg);
    }

    /**
     * Performs testing for wrong tread pool size.
     *
     * @param cfg an IgniteConfiguration with the only one thread pool size assigned with the WRONG_VALUE.
     * @throws Exception If failed.
     */
    private void testWrongPoolSize(IgniteConfiguration cfg) throws Exception {
        assertThrowsAnyCause(log, () -> Ignition.start(cfg), IgniteCheckedException.class, "thread pool size");
    }
}