hu.petabyte.redflags.engine.test.NoticeCacheTest.java Source code

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/*
   Copyright 2014-2016 PetaByte Research 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 hu.petabyte.redflags.engine.test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.io.File;
import java.io.IOException;

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

import hu.petabyte.redflags.engine.model.DisplayLanguage;
import hu.petabyte.redflags.engine.model.NoticeID;
import hu.petabyte.redflags.engine.model.Tab;
import hu.petabyte.redflags.engine.tedintf.cached.FilesystemNoticeCache;
import hu.petabyte.redflags.engine.tedintf.cached.GzippedNoticeCache;
import hu.petabyte.redflags.engine.tedintf.cached.SimpleNoticeCache;

/**
 * @author Zsolt Jurnyi
 */
public class NoticeCacheTest {

    private static final String directory = "test-cache";
    private static final NoticeID id = new NoticeID("1-2015");
    private static final DisplayLanguage lang = DisplayLanguage.EN;
    private static final Tab tab = Tab.DATA;
    private static final String raw = "This is the test text which will be cached.";
    private static final SimpleNoticeCache simpleCache = new SimpleNoticeCache(directory);
    private static final GzippedNoticeCache gzippedCache = new GzippedNoticeCache(directory);

    @BeforeClass
    @AfterClass
    public static void cleanup() {
        try {
            FileUtils.deleteDirectory(new File(directory));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    @Test
    public void filenamesAreDifferent() {
        String s = simpleCache.filename(id, lang, tab);
        String g = gzippedCache.filename(id, lang, tab);
        assertNotEquals(s, g);
    }

    private void fsCacheWorksFine(FilesystemNoticeCache cache) {
        File file = new File(cache.filename(id, lang, tab));

        // file does not exist, fetch should return null
        assertNull(cache.fetch(id, lang, tab));

        // let's store something
        cache.store(id, lang, tab, raw);

        // now the file should exist
        assertTrue(file.exists());

        // and we should get back the content
        assertEquals(raw, cache.fetch(id, lang, tab));

        // but if we remove it
        cache.remove(id, lang, tab);

        // the file should disappear
        assertFalse(file.exists());
    }

    @Test
    public void gzippedCacheWorksFine() {
        fsCacheWorksFine(gzippedCache);
    }

    @Test
    public void simpleCacheWorksFine() {
        fsCacheWorksFine(simpleCache);
    }

}