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package org.apache.lucene.demo;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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import org.apache.lucene.util.LuceneTestCase;
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import org.apache.lucene.util._TestUtil;
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public class TestDemo extends LuceneTestCase {
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private void testOneSearch(File indexPath, String query, int expectedHitCount) throws Exception {
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PrintStream outSave = System.out;
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ByteArrayOutputStream bytes = new ByteArrayOutputStream();
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PrintStream fakeSystemOut = new PrintStream(bytes);
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System.setOut(fakeSystemOut);
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SearchFiles.main(new String[] {"-query", query, "-index", indexPath.getPath()});
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fakeSystemOut.flush();
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String output = bytes.toString(); // intentionally use default encoding
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assertTrue("output=" + output, output.contains(expectedHitCount + " total matching documents"));
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System.setOut(outSave);
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public void testIndexSearch() throws Exception {
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File dir = getDataFile("test-files/docs");
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File indexDir = _TestUtil.getTempDir("ContribDemoTest");
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IndexFiles.main(new String[] { "-create", "-docs", dir.getPath(), "-index", indexDir.getPath()});
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testOneSearch(indexDir, "apache", 3);
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testOneSearch(indexDir, "patent", 8);
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testOneSearch(indexDir, "lucene", 0);
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testOneSearch(indexDir, "gnu", 6);
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testOneSearch(indexDir, "derivative", 8);
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testOneSearch(indexDir, "license", 13);