Java tutorial
/* * Copyright (C) 2009-2010 Institute for Computational Biomedicine, * Weill Medical College of Cornell University * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package edu.cornell.med.icb.goby.counts; import org.apache.commons.io.FileUtils; import org.apache.commons.io.FilenameUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.Test; import java.io.File; import java.io.IOException; import static org.junit.Assert.*; /** * @author Fabien Campagne * Date: May 14, 2009 * Time: 11:58:32 AM */ public class TestCountsArchive { private static final Log LOG = LogFactory.getLog(TestCountsArchive.class); private static final String BASE_TEST_DIR = "test-results/multicount"; @BeforeClass public static void initializeTestDirectory() throws IOException { if (LOG.isDebugEnabled()) { LOG.debug("Creating base test directory: " + BASE_TEST_DIR); } FileUtils.forceMkdir(new File(BASE_TEST_DIR)); } @AfterClass public static void cleanupTestDirectory() throws IOException { if (LOG.isDebugEnabled()) { LOG.debug("Deleting base test directory: " + BASE_TEST_DIR); } FileUtils.forceDeleteOnExit(new File(BASE_TEST_DIR)); } @Test public void testWriter() throws IOException { final String basename = FilenameUtils.concat(BASE_TEST_DIR, "101.bin"); final CountsArchiveWriter writer = new CountsArchiveWriter(basename); CountsWriterI cw = writer.newCountWriter(0, "count-0"); cw.appendCount(0, 10000); cw.appendCount(10, 10000); cw.appendCount(20, 10000); cw.close(); writer.returnWriter(cw); // read counts 1 cw = writer.newCountWriter(1, "count-1"); cw.appendCount(0, 20000); cw.appendCount(10, 20000); cw.appendCount(20, 20000); cw.appendCount(30, 20000); cw.close(); writer.returnWriter(cw); writer.close(); final CountsArchiveReader reader = new CountsArchiveReader(basename); assertTrue("Since Goby 1.9.7 reader must have stats.", reader.isStatsParsed()); CountsReader cr = reader.getCountReader("count-1"); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertEquals(20, cr.getCount()); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertEquals(30, cr.getCount()); assertFalse(cr.hasNextTransition()); cr.close(); // read counts 0 cr = reader.getCountReader("count-0"); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertEquals(20, cr.getCount()); assertFalse(cr.hasNextTransition()); cr.close(); // and again counts-1 cr = reader.getCountReader("count-1"); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertEquals(20, cr.getCount()); assertTrue(cr.hasNextTransition()); cr.nextTransition(); assertEquals(30, cr.getCount()); assertFalse(cr.hasNextTransition()); cr.close(); } @Test public void testIndices() throws IOException { final String basename = FilenameUtils.concat(BASE_TEST_DIR, "102.bin"); final CountsArchiveWriter writer = new CountsArchiveWriter(basename); CountsWriterI cw = writer.newCountWriter(0); writer.returnWriter(cw); cw = writer.newCountWriter(1); writer.returnWriter(cw); writer.close(); final CountsArchiveReader reader = new CountsArchiveReader(basename); assertEquals(2, reader.getNumberOfIndices()); assertEquals(2, reader.getIndices().size()); assertNotNull(reader.getCountReader(0)); assertNotNull(reader.getCountReader(1)); } @Test public void testNames() throws IOException { final String basename = FilenameUtils.concat(BASE_TEST_DIR, "103.bin"); final CountsArchiveWriter writer = new CountsArchiveWriter(basename); CountsWriterI cw = writer.newCountWriter(0); writer.returnWriter(cw); cw = writer.newCountWriter(1); writer.returnWriter(cw); writer.close(); final CountsArchiveReader reader = new CountsArchiveReader(basename); assertEquals(2, reader.getNumberOfIndices()); assertEquals(2, reader.getIdentifiers().size()); assertNotNull(reader.getCountReader("0")); assertNotNull(reader.getCountReader("1")); } }