liatestcase.java

来自「Lucene in Action 中文版代码下载」· Java 代码 · 共 61 行

package lia.common;

import junit.framework.TestCase;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.store.Directory;
import org.apache.lucene.search.Hits;
import org.apache.lucene.document.Document;

import java.io.IOException;
import java.util.Date;
import java.text.ParseException;
import java.text.SimpleDateFormat;

/**
 * LIA base class for test cases.
 */
public abstract class LiaTestCase extends TestCase {
  private String indexDir = System.getProperty("index.dir");
  protected Directory directory;

  protected void setUp() throws Exception {
    directory = FSDirectory.getDirectory(indexDir, false);
  }

  protected void tearDown() throws Exception {
    directory.close();
  }

  /**
   * For troubleshooting
   */
  protected final void dumpHits(Hits hits) throws IOException {
    if (hits.length() == 0) {
      System.out.println("No hits");
    }

    for (int i=0; i < hits.length(); i++) {
      Document doc = hits.doc(i);
      System.out.println(hits.score(i) + ":" + doc.get("title"));
    }
  }

  protected final void assertHitsIncludeTitle(
                                          Hits hits, String title)
    throws IOException {
    for (int i=0; i < hits.length(); i++) {
      Document doc = hits.doc(i);
      if (title.equals(doc.get("title"))) {
        assertTrue(true);
        return;
      }
    }

    fail("title '" + title + "' not found");
  }

  protected final Date parseDate(String s) throws ParseException {
      return new SimpleDateFormat("yyyy-MM-dd").parse(s);
  }
}