/* * 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. */ package org.apache.lucene.misc; import org.apache.lucene.index.LogDocMergePolicy; import org.apache.lucene.misc.IndexMergeTool.Options; import org.apache.lucene.util.LuceneTestCase; import org.apache.lucene.util.PrintStreamInfoStream; public class TestIndexMergeTool extends LuceneTestCase { public void testNoParameters() throws Exception { expectThrows(IllegalArgumentException.class, () -> { Options.parse(new String[] {}); }); } public void testOneParameter() throws Exception { expectThrows(IllegalArgumentException.class, () -> { Options.parse(new String[] { "target" }); }); } public void testTwoParameters() throws Exception { expectThrows(IllegalArgumentException.class, () -> { Options.parse(new String[] { "target", "source1" }); }); } public void testThreeParameters() throws Exception { Options options = Options.parse(new String[] { "target", "source1", "source2" }); assertEquals("target", options.mergedIndexPath); assertArrayEquals(new String[] { "source1", "source2" }, options.indexPaths); } public void testVerboseOption() throws Exception { Options options = Options.parse(new String[] { "-verbose", "target", "source1", "source2" }); assertEquals(PrintStreamInfoStream.class, options.config.getInfoStream().getClass()); } public void testMergePolicyOption() throws Exception { Options options = Options.parse(new String[] { "-merge-policy", LogDocMergePolicy.class.getName(), "target", "source1", "source2" }); assertEquals(LogDocMergePolicy.class, options.config.getMergePolicy().getClass()); } public void testMaxSegmentsOption() throws Exception { Options options = Options.parse(new String[] { "-max-segments", "42", "target", "source1", "source2" }); assertEquals(42, options.maxSegments); } }