com.adaptris.core.fs.MarshallingCacheCase.java Source code

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Here is the source code for com.adaptris.core.fs.MarshallingCacheCase.java

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/*
 * Copyright 2015 Adaptris Ltd.
 * 
 * Licensed 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 com.adaptris.core.fs;

import java.io.File;

import org.apache.commons.io.FileUtils;

import com.adaptris.core.AdaptrisMarshaller;
import com.adaptris.core.CoreException;

public abstract class MarshallingCacheCase extends ExpiringCacheCase {

    public MarshallingCacheCase(String name) {
        super(name);
    }

    protected File persistentStore;

    protected abstract MarshallingItemCache createCache() throws Exception;

    protected abstract AdaptrisMarshaller createMarshaller() throws Exception;

    @Override
    public void setUp() throws Exception {
        persistentStore = File.createTempFile(this.getClass().getSimpleName(), "");
        persistentStore.delete();
        super.setUp();
    }

    @Override
    public void tearDown() throws Exception {
        FileUtils.deleteQuietly(persistentStore);
        super.tearDown();
    }

    public void testPersistence() throws Exception {
        String oldName = Thread.currentThread().getName();
        MarshallingItemCache cache = createCache();
        try {
            Thread.currentThread().setName("testPersistence");
            start(cache);
            int count = 100;
            cache.update(createCacheEntries(count));
            stop(cache);
            start(cache);
            assertEquals(100, cache.size());
        } finally {
            Thread.currentThread().setName(oldName);
            stop(cache);
        }

    }

    public void testPersistenceWithBadPersistentStore() throws Exception {
        String oldName = Thread.currentThread().getName();
        MarshallingItemCache cache = createCache();
        File badStore = File.createTempFile(this.getClass().getSimpleName(), "");
        badStore.delete();
        badStore.mkdirs();
        cache.setPersistentStore(badStore.getCanonicalPath());

        try {
            Thread.currentThread().setName("testPersistenceWithBadPersistentStore");
            cache.init();
            cache.close();
            fail();
        } catch (CoreException expected) {
            log.debug(expected.getMessage(), expected);
        } finally {
            Thread.currentThread().setName(oldName);
            FileUtils.deleteQuietly(badStore);
        }

    }

    public void testPersistenceWithZeroLengthPersistentStore() throws Exception {
        String oldName = Thread.currentThread().getName();
        MarshallingItemCache cache = createCache();
        File badStore = File.createTempFile(this.getClass().getSimpleName(), "");
        cache.setPersistentStore(badStore.getCanonicalPath());
        try {
            Thread.currentThread().setName("testPersistenceWithZeroLengthPersistentStore");
            cache.init();
            cache.close();
            fail();
        } catch (CoreException expected) {
            log.debug(expected.getMessage(), expected);

        } finally {
            Thread.currentThread().setName(oldName);
            FileUtils.deleteQuietly(badStore);
        }

    }

    public void testRoundTripAfterFlush() throws Exception {
        String oldName = Thread.currentThread().getName();
        MarshallingItemCache cache = createCache();
        try {
            Thread.currentThread().setName("testRoundTripAfterFlush");
            start(cache);
            int count = 100;
            cache.update(createCacheEntries(count));
            cache.evict();
            cache.save();
            AdaptrisMarshaller marshaller = createMarshaller();
            ProcessedItemList list = (ProcessedItemList) marshaller.unmarshal(persistentStore);
            assertEquals(100, list.getProcessedItems().size());
            for (ProcessedItem item : list.getProcessedItems()) {
                ProcessedItem cachedItem = cache.get(item.getAbsolutePath());
                assertNotNull("Cache item " + item.getAbsolutePath() + "should not be null", cachedItem);
                assertEquals(cachedItem.getAbsolutePath(), item.getAbsolutePath());
                assertEquals(cachedItem.getFilesize(), item.getFilesize());
                assertEquals(cachedItem.getLastModified(), item.getLastModified());
                assertEquals(cachedItem.getLastProcessed(), item.getLastProcessed());
            }
        } finally {
            Thread.currentThread().setName(oldName);
            stop(cache);
        }
    }

}