org.apache.accumulo.test.functional.ZooCacheIT.java Source code

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Here is the source code for org.apache.accumulo.test.functional.ZooCacheIT.java

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/*
 * 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.accumulo.test.functional;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;

import org.apache.commons.io.FileUtils;
import org.junit.BeforeClass;
import org.junit.Test;

public class ZooCacheIT extends ConfigurableMacBase {

    @Override
    protected int defaultTimeoutSeconds() {
        return 2 * 60;
    }

    private static String pathName = "/zcTest-42";
    private static File testDir;

    @BeforeClass
    public static void createTestDirectory() {
        testDir = new File(createTestDir(ZooCacheIT.class.getName()), pathName);
        FileUtils.deleteQuietly(testDir);
        assertTrue(testDir.mkdir());
    }

    @Test
    public void test() throws Exception {
        assertEquals(0, exec(CacheTestClean.class, pathName, testDir.getAbsolutePath()).waitFor());
        final AtomicReference<Exception> ref = new AtomicReference<Exception>();
        List<Thread> threads = new ArrayList<Thread>();
        for (int i = 0; i < 3; i++) {
            Thread reader = new Thread() {
                @Override
                public void run() {
                    try {
                        CacheTestReader.main(new String[] { pathName, testDir.getAbsolutePath(),
                                getConnector().getInstance().getZooKeepers() });
                    } catch (Exception ex) {
                        ref.set(ex);
                    }
                }
            };
            reader.start();
            threads.add(reader);
        }
        assertEquals(0, exec(CacheTestWriter.class, pathName, testDir.getAbsolutePath(), "3", "50").waitFor());
        for (Thread t : threads) {
            t.join();
            if (ref.get() != null)
                throw ref.get();
        }
    }

}