Java tutorial
package com.btoddb.chronicle.plunkers; /* * #%L * fast-persistent-queue * %% * Copyright (C) 2014 btoddb.com * %% * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * #L% */ import com.btoddb.chronicle.Config; import com.btoddb.chronicle.Event; import com.btoddb.chronicle.FileTestUtils; import org.apache.commons.io.FileUtils; import org.junit.After; import org.junit.Before; import org.junit.Test; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.UUID; import static org.hamcrest.MatcherAssert.assertThat; import static org.hamcrest.Matchers.is; import static org.hamcrest.Matchers.nullValue; public class FilePlunkerImplTest { File baseDir; FileTestUtils ftUtils; Config config = new Config(); @Before public void setup() { baseDir = new File("tmp/" + UUID.randomUUID().toString()); ftUtils = new FileTestUtils(config); } @After public void cleanup() { try { FileUtils.deleteDirectory(baseDir); } catch (IOException e) { e.printStackTrace(); } } @Test public void testMultipleFileNamesCreated() throws Exception { FilePlunkerImpl plunker = new FilePlunkerImpl(); plunker.setFilePattern(createFilename("${header:customer}/logs")); plunker.init(new Config()); List<Event> eventList = new ArrayList<>(); eventList.add(new Event("one-body").withHeader("customer", "one")); eventList.add(new Event("two-body").withHeader("customer", "two")); eventList.add(new Event("three-body").withHeader("customer", "three")); eventList.add(new Event("four-body").withHeader("customer", "four")); plunker.handleInternal(eventList); assertThat(createFileObj("one/logs").exists(), is(true)); assertThat(createFileObj("two/logs").exists(), is(true)); assertThat(createFileObj("three/logs").exists(), is(true)); assertThat(createFileObj("four/logs").exists(), is(true)); assertThat(createFileObj("one/logs"), ftUtils.hasEventsInOrder(new Event[] { eventList.get(0) })); assertThat(createFileObj("two/logs"), ftUtils.hasEventsInOrder(new Event[] { eventList.get(1) })); assertThat(createFileObj("three/logs"), ftUtils.hasEventsInOrder(new Event[] { eventList.get(2) })); assertThat(createFileObj("four/logs"), ftUtils.hasEventsInOrder(new Event[] { eventList.get(3) })); } @Test public void testEvictionClose() throws Exception { FilePlunkerImpl plunker = new FilePlunkerImpl(); plunker.setInactiveTimeout(1); plunker.setFilePattern(createFilename("${header:customer}/logs")); plunker.init(new Config()); plunker.handleInternal(Collections.singletonList(new Event("one-body").withHeader("customer", "one"))); long endTime = System.currentTimeMillis() + 5000; while (System.currentTimeMillis() < endTime && 0 < plunker.getPrintWriterCache().size()) { plunker.getPrintWriterCache().cleanUp(); Thread.sleep(200); } plunker.getPrintWriterCache().cleanUp(); assertThat(plunker.getPrintWriterCache().getIfPresent(createFilename("one/logs")), is(nullValue())); assertThat(plunker.getPrintWriterCache().size(), is(0L)); } // ---------- String createFilename(String fn) { return createFileObj(fn).getPath(); } File createFileObj(String fn) { return new File(baseDir, fn); } }