trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/index/TrackingCorruptIndexHandlerTest.java

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 * 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
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 * Unless required by applicable law or agreed to in writing,
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package org.apache.jackrabbit.oak.plugins.index;

import java.util.Calendar;
import java.util.Collections;
import java.util.concurrent.TimeUnit;

import org.apache.jackrabbit.oak.stats.Clock;
import org.junit.Test;

import static org.junit.Assert.*;

public class TrackingCorruptIndexHandlerTest {

    private TrackingCorruptIndexHandler handler = new TrackingCorruptIndexHandler();
    private Clock clock = new Clock.Virtual();

    @Test
    public void basics() throws Exception{
        handler.setClock(clock);
        handler.indexUpdateFailed("async", "/oak:index/foo", new Exception());

        //Index would not be considered corrupt until timeout
        assertFalse(handler.getCorruptIndexData("async").containsKey("/oak:index/foo"));

        clock.waitUntil(clock.getTime() + handler.getCorruptIntervalMillis() + 1);
        assertTrue(handler.getCorruptIndexData("async").containsKey("/oak:index/foo"));

        //Should only be visible for "async"
        assertFalse(handler.getCorruptIndexData("async-fulltext").containsKey("/oak:index/foo"));

        handler.markWorkingIndexes(Collections.singleton("/oak:index/foo"));
        assertFalse(handler.getCorruptIndexData("async").containsKey("/oak:index/foo"));
    }

    @Test
    public void disbaled() throws Exception{
        handler.setClock(clock);
        handler.indexUpdateFailed("async", "/oak:index/foo", new Exception());

        clock.waitUntil(clock.getTime() + handler.getCorruptIntervalMillis() + 1);
        assertTrue(handler.getCorruptIndexData("async").containsKey("/oak:index/foo"));

        handler.setCorruptInterval(0, TimeUnit.SECONDS);

        //With timeout set to zero no corrupt index should be reported
        assertFalse(handler.getCorruptIndexData("async").containsKey("/oak:index/foo"));
    }

    @Test
    public void warningLoggedAfterSomeTime() throws Exception{
        handler.setClock(clock);
        handler.indexUpdateFailed("async", "/oak:index/foo", new Exception());

        assertFalse(handler.skippingCorruptIndex("async", "/oak:index/foo", Calendar.getInstance()));

        clock.waitUntil(clock.getTime() + handler.getErrorWarnIntervalMillis() + 1);

        assertTrue(handler.skippingCorruptIndex("async", "/oak:index/foo", Calendar.getInstance()));
        assertFalse(handler.skippingCorruptIndex("async", "/oak:index/foo", Calendar.getInstance()));
    }

}