com.greplin.interval.BaseIntervalQueryTest.java Source code

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Here is the source code for com.greplin.interval.BaseIntervalQueryTest.java

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/*
 * Copyright 2010 The Lucene Interval Field Authors.
 *
 * 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.greplin.interval;

import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import org.apache.lucene.analysis.SimpleAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.Version;
import org.junit.Assert;
import org.junit.Before;

import java.io.IOException;
import java.util.Set;

/**
 * Base class for interval query tests.
 */
public abstract class BaseIntervalQueryTest {
    private IndexWriter indexWriter;

    @Before
    public void setUp() throws IOException {
        RAMDirectory ramDirectory = new RAMDirectory();
        IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_35, new SimpleAnalyzer(Version.LUCENE_35));
        this.indexWriter = new IndexWriter(ramDirectory, config);
    }

    protected void addDocument(int id, LongInterval interval) throws IOException {
        addDocument(id, interval.getStart(), interval.getEnd());
    }

    protected void addDocument(int id, long start, long end) throws IOException {
        Document doc1 = new Document();
        doc1.add(new Field("id", String.valueOf(id), Field.Store.YES, Field.Index.NO));
        doc1.add(new NumericIntervalField("time", true, start, end));
        this.indexWriter.addDocument(doc1);
    }

    protected IndexSearcher getSearcher() throws IOException {
        return new IndexSearcher(IndexReader.open(this.indexWriter, true));
    }

    protected void assertSearch(IndexSearcher searcher, Query query, Integer... expectedResults)
            throws IOException {
        Set<Integer> expected = ImmutableSet.copyOf(expectedResults);

        TopDocs docs = searcher.search(query, 100);
        Set<Integer> actual = Sets.newHashSet();
        for (ScoreDoc scoreDoc : docs.scoreDocs) {
            Document doc = searcher.doc(scoreDoc.doc);
            actual.add(Integer.valueOf(doc.get("id")));
        }

        Assert.assertEquals(query + " should match [" + Joiner.on(", ").join(expectedResults) + "]", expected,
                actual);
    }
}