--- /dev/null
+package org.apache.lucene.demo;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.ByteArrayOutputStream;
+import java.io.File;
+import java.io.PrintStream;
+
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util._TestUtil;
+
+public class TestDemo extends LuceneTestCase {
+
+ private void testOneSearch(File indexPath, String query, int expectedHitCount) throws Exception {
+ PrintStream outSave = System.out;
+ try {
+ ByteArrayOutputStream bytes = new ByteArrayOutputStream();
+ PrintStream fakeSystemOut = new PrintStream(bytes);
+ System.setOut(fakeSystemOut);
+ SearchFiles.main(new String[] {"-query", query, "-index", indexPath.getPath()});
+ fakeSystemOut.flush();
+ String output = bytes.toString(); // intentionally use default encoding
+ assertTrue("output=" + output, output.contains(expectedHitCount + " total matching documents"));
+ } finally {
+ System.setOut(outSave);
+ }
+ }
+
+ public void testIndexSearch() throws Exception {
+ File dir = getDataFile("test-files/docs");
+ File indexDir = _TestUtil.getTempDir("ContribDemoTest");
+ IndexFiles.main(new String[] { "-create", "-docs", dir.getPath(), "-index", indexDir.getPath()});
+ testOneSearch(indexDir, "apache", 3);
+ testOneSearch(indexDir, "patent", 8);
+ testOneSearch(indexDir, "lucene", 0);
+ testOneSearch(indexDir, "gnu", 6);
+ testOneSearch(indexDir, "derivative", 8);
+ testOneSearch(indexDir, "license", 13);
+ }
+}