// TODO: not sure this test is that great, we should probably peek inside PerFieldPostingsFormat // or something?! @Test public void testChangeCodecAndMerge() throws IOException { Directory dir = newDirectory(); if (VERBOSE) { System.out.println("TEST: make new index"); } IndexWriterConfig iwconf = newIndexWriterConfig(new MockAnalyzer(random())) .setOpenMode(OpenMode.CREATE) .setCodec(new MockCodec()); iwconf.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH); // ((LogMergePolicy) iwconf.getMergePolicy()).setMergeFactor(10); IndexWriter writer = newWriter(dir, iwconf); addDocs(writer, 10); writer.commit(); assertQuery(new Term("content", "aaa"), dir, 10); if (VERBOSE) { System.out.println("TEST: addDocs3"); } addDocs3(writer, 10); writer.commit(); writer.close(); assertQuery(new Term("content", "ccc"), dir, 10); assertQuery(new Term("content", "aaa"), dir, 10); Codec codec = iwconf.getCodec(); iwconf = newIndexWriterConfig(new MockAnalyzer(random())) .setOpenMode(OpenMode.APPEND) .setCodec(codec); // ((LogMergePolicy) iwconf.getMergePolicy()).setNoCFSRatio(0.0); // ((LogMergePolicy) iwconf.getMergePolicy()).setMergeFactor(10); iwconf.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH); iwconf.setCodec(new MockCodec2()); // uses standard for field content writer = newWriter(dir, iwconf); // swap in new codec for currently written segments if (VERBOSE) { System.out.println("TEST: add docs w/ Standard codec for content field"); } addDocs2(writer, 10); writer.commit(); codec = iwconf.getCodec(); assertEquals(30, writer.maxDoc()); assertQuery(new Term("content", "bbb"), dir, 10); assertQuery(new Term("content", "ccc"), dir, 10); // // assertQuery(new Term("content", "aaa"), dir, 10); if (VERBOSE) { System.out.println("TEST: add more docs w/ new codec"); } addDocs2(writer, 10); writer.commit(); assertQuery(new Term("content", "ccc"), dir, 10); assertQuery(new Term("content", "bbb"), dir, 20); assertQuery(new Term("content", "aaa"), dir, 10); assertEquals(40, writer.maxDoc()); if (VERBOSE) { System.out.println("TEST: now optimize"); } writer.forceMerge(1); assertEquals(40, writer.maxDoc()); writer.close(); assertQuery(new Term("content", "ccc"), dir, 10); assertQuery(new Term("content", "bbb"), dir, 20); assertQuery(new Term("content", "aaa"), dir, 10); dir.close(); }