org.uberfire.ext.metadata.io.LuceneSearchIndexTest.java Source code

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Here is the source code for org.uberfire.ext.metadata.io.LuceneSearchIndexTest.java

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/*
 * Copyright 2014 JBoss, by Red Hat, Inc
 *
 * 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 org.uberfire.ext.metadata.io;

import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;

import org.apache.commons.io.FileUtils;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.uberfire.ext.metadata.backend.lucene.LuceneConfig;
import org.uberfire.ext.metadata.backend.lucene.LuceneConfigBuilder;
import org.uberfire.ext.metadata.search.ClusterSegment;
import org.uberfire.io.IOService;
import org.uberfire.java.nio.base.FileSystemId;
import org.uberfire.java.nio.base.SegmentedPath;
import org.uberfire.java.nio.file.Path;

import static org.junit.Assert.*;

public class LuceneSearchIndexTest {

    private int seed = new Random(10L).nextInt();

    protected boolean created = false;
    private Map<String, Path> basePaths = new HashMap<String, Path>();

    private LuceneConfig config;
    private IOService ioService = null;

    protected static final List<File> tempFiles = new ArrayList<File>();

    @AfterClass
    @BeforeClass
    public static void cleanup() {
        for (final File tempFile : tempFiles) {
            FileUtils.deleteQuietly(tempFile);
        }
    }

    protected IOService ioService() {
        if (ioService == null) {
            config = new LuceneConfigBuilder().withInMemoryMetaModelStore().useDirectoryBasedIndex()
                    .useInMemoryDirectory().build();

            ioService = new IOServiceIndexedImpl(config.getIndexEngine());
        }
        return ioService;
    }

    protected static File createTempDirectory() throws IOException {
        final File temp = File.createTempFile("temp", Long.toString(System.nanoTime()));
        if (!(temp.delete())) {
            throw new IOException("Could not delete temp file: " + temp.getAbsolutePath());
        }
        if (!(temp.mkdir())) {
            throw new IOException("Could not create temp directory: " + temp.getAbsolutePath());
        }
        tempFiles.add(temp);
        return temp;
    }

    @Before
    public void setup() throws IOException {
        if (!created) {
            final String path = createTempDirectory().getAbsolutePath();
            System.setProperty("org.uberfire.nio.git.dir", path);
            System.out.println(".niogit: " + path);

            for (String repositoryName : getRepositoryNames()) {

                final URI newRepo = URI.create("git://" + repositoryName);

                try {
                    ioService().newFileSystem(newRepo, new HashMap<String, Object>());

                    //Don't ask, but we need to write a single file first in order for indexing to work
                    final Path basePath = getDirectoryPath(repositoryName).resolveSibling("someNewOtherPath");
                    ioService().write(basePath.resolve("dummy"), "<none>");
                    basePaths.put(repositoryName, basePath);

                } catch (final Exception ex) {
                    ex.fillInStackTrace();
                    System.out.println(ex.getMessage());
                } finally {
                    created = true;
                }
            }
        }
    }

    private String[] getRepositoryNames() {
        return new String[] { this.getClass().getSimpleName() + "_1", this.getClass().getSimpleName() + "_2" };
    }

    private Path getBasePath(final String repositoryName) {
        return basePaths.get(repositoryName);
    }

    private Path getDirectoryPath(final String repositoryName) {
        final Path dir = ioService().get(URI.create("git://" + repositoryName + "/_someDir" + seed));
        ioService().deleteIfExists(dir);
        return dir;
    }

    @Test
    public void testClusterSegments() throws IOException, InterruptedException {
        //Add test files
        final Path path1 = getBasePath(this.getClass().getSimpleName() + "_1").resolve("indexedFile1.txt");
        ioService().write(path1, "content1");
        final Path path2 = getBasePath(this.getClass().getSimpleName() + "_2").resolve("indexedFile2.txt");
        ioService().write(path2, "content2");

        //Setup ClusterSegments
        final ClusterSegment cs1 = new ClusterSegment() {
            @Override
            public String getClusterId() {
                return ((FileSystemId) getBasePath(LuceneSearchIndexTest.this.getClass().getSimpleName() + "_1")
                        .getFileSystem()).id();
            }

            @Override
            public String[] segmentIds() {
                return new String[] {
                        ((SegmentedPath) getBasePath(LuceneSearchIndexTest.this.getClass().getSimpleName() + "_1"))
                                .getSegmentId() };
            }
        };
        final ClusterSegment cs2 = new ClusterSegment() {
            @Override
            public String getClusterId() {
                return ((FileSystemId) getBasePath(LuceneSearchIndexTest.this.getClass().getSimpleName() + "_2")
                        .getFileSystem()).id();
            }

            @Override
            public String[] segmentIds() {
                return new String[] {
                        ((SegmentedPath) getBasePath(LuceneSearchIndexTest.this.getClass().getSimpleName() + "_2"))
                                .getSegmentId() };
            }
        };

        Thread.sleep(5000); //wait for events to be consumed from jgit -> (notify changes -> watcher -> index) -> lucene index

        final Map<String, Object> attributes = new HashMap<String, Object>() {
            {
                put("filename", "*.txt");
            }
        };

        {
            final int hits = config.getSearchIndex().searchByAttrsHits(attributes);
            assertEquals(2, hits);
        }

        {
            final int hits = config.getSearchIndex().searchByAttrsHits(attributes, cs1);
            assertEquals(1, hits);
        }

        {
            final int hits = config.getSearchIndex().searchByAttrsHits(attributes, cs2);
            assertEquals(1, hits);
        }

        {
            final int hits = config.getSearchIndex().searchByAttrsHits(attributes, cs1, cs2);
            assertEquals(2, hits);
        }
    }

}