solr/core/src/test/org/apache/solr/analysis/LengthFilterTest.java

package org.apache.solr.analysis;

/**
 * Copyright 2004 The Apache Software Foundation
 *
 * 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.
 */

import java.io.IOException;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;

import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.TokenStream;

public class LengthFilterTest extends BaseTokenTestCase {

  public void test() throws IOException {
    LengthFilterFactory factory = new LengthFilterFactory();
    Map<String, String> args = new HashMap<String, String>();
    args.put(LengthFilterFactory.MIN_KEY, String.valueOf(4));
    args.put(LengthFilterFactory.MAX_KEY, String.valueOf(10));
    // default: args.put("enablePositionIncrements", "false");
    factory.init(args);
    String test = "foo foobar super-duper-trooper";
    TokenStream stream = factory.create(new MockTokenizer(new StringReader(test), MockTokenizer.WHITESPACE, false));
    assertTokenStreamContents(stream, new String[] { "foobar" }, new int[] { 1 });

    factory = new LengthFilterFactory();
    args = new HashMap<String, String>();
    args.put(LengthFilterFactory.MIN_KEY, String.valueOf(4));
    args.put(LengthFilterFactory.MAX_KEY, String.valueOf(10));
    args.put("enablePositionIncrements", "true");
    factory.init(args);
    stream = factory.create(new MockTokenizer(new StringReader(test), MockTokenizer.WHITESPACE, false));
    assertTokenStreamContents(stream, new String[] { "foobar" }, new int[] { 2 });
  }
}