Java tutorial
/* * 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.zeppelin.helium; import org.apache.commons.io.FileUtils; import org.apache.zeppelin.conf.ZeppelinConfiguration; import org.apache.zeppelin.dep.DependencyResolver; import org.apache.zeppelin.interpreter.*; import org.apache.zeppelin.interpreter.mock.MockInterpreter1; import org.apache.zeppelin.interpreter.mock.MockInterpreter2; import org.apache.zeppelin.notebook.*; import org.apache.zeppelin.notebook.repo.VFSNotebookRepo; import org.apache.zeppelin.scheduler.Job; import org.apache.zeppelin.scheduler.SchedulerFactory; import org.apache.zeppelin.search.SearchService; import org.apache.zeppelin.user.AuthenticationInfo; import org.apache.zeppelin.user.Credentials; import org.junit.After; import org.junit.Before; import org.junit.Test; import java.io.File; import java.io.IOException; import java.util.HashMap; import java.util.LinkedList; import java.util.List; import static org.junit.Assert.assertEquals; import static org.mockito.Mockito.mock; public class HeliumApplicationFactoryTest implements JobListenerFactory { private File tmpDir; private File notebookDir; private ZeppelinConfiguration conf; private SchedulerFactory schedulerFactory; private DependencyResolver depResolver; private InterpreterFactory factory; private InterpreterSettingManager interpreterSettingManager; private VFSNotebookRepo notebookRepo; private Notebook notebook; private HeliumApplicationFactory heliumAppFactory; private AuthenticationInfo anonymous; @Before public void setUp() throws Exception { tmpDir = new File(System.getProperty("java.io.tmpdir") + "/ZepelinLTest_" + System.currentTimeMillis()); tmpDir.mkdirs(); File confDir = new File(tmpDir, "conf"); confDir.mkdirs(); notebookDir = new File(tmpDir + "/notebook"); notebookDir.mkdirs(); File home = new File(getClass().getClassLoader().getResource("note").getFile()) // zeppelin/zeppelin-zengine/target/test-classes/note .getParentFile() // zeppelin/zeppelin-zengine/target/test-classes .getParentFile() // zeppelin/zeppelin-zengine/target .getParentFile() // zeppelin/zeppelin-zengine .getParentFile(); // zeppelin System.setProperty(ZeppelinConfiguration.ConfVars.ZEPPELIN_HOME.getVarName(), home.getAbsolutePath()); System.setProperty(ZeppelinConfiguration.ConfVars.ZEPPELIN_CONF_DIR.getVarName(), tmpDir.getAbsolutePath() + "/conf"); System.setProperty(ZeppelinConfiguration.ConfVars.ZEPPELIN_NOTEBOOK_DIR.getVarName(), notebookDir.getAbsolutePath()); System.setProperty(ZeppelinConfiguration.ConfVars.ZEPPELIN_INTERPRETERS.getVarName(), "org.apache.zeppelin.interpreter.mock.MockInterpreter1,org.apache.zeppelin.interpreter.mock.MockInterpreter2"); conf = new ZeppelinConfiguration(); this.schedulerFactory = new SchedulerFactory(); MockInterpreter1.register("mock1", "org.apache.zeppelin.interpreter.mock.MockInterpreter1"); MockInterpreter2.register("mock2", "org.apache.zeppelin.interpreter.mock.MockInterpreter2"); heliumAppFactory = new HeliumApplicationFactory(); depResolver = new DependencyResolver(tmpDir.getAbsolutePath() + "/local-repo"); interpreterSettingManager = new InterpreterSettingManager(conf, depResolver, new InterpreterOption(true)); factory = new InterpreterFactory(conf, null, null, heliumAppFactory, depResolver, false, interpreterSettingManager); HashMap<String, String> env = new HashMap<>(); env.put("ZEPPELIN_CLASSPATH", new File("./target/test-classes").getAbsolutePath()); factory.setEnv(env); SearchService search = mock(SearchService.class); notebookRepo = new VFSNotebookRepo(conf); NotebookAuthorization notebookAuthorization = NotebookAuthorization.init(conf); notebook = new Notebook(conf, notebookRepo, schedulerFactory, factory, interpreterSettingManager, this, search, notebookAuthorization, new Credentials(false, null)); heliumAppFactory.setNotebook(notebook); notebook.addNotebookEventListener(heliumAppFactory); anonymous = new AuthenticationInfo("anonymous"); } @After public void tearDown() throws Exception { List<InterpreterSetting> settings = interpreterSettingManager.get(); for (InterpreterSetting setting : settings) { for (InterpreterGroup intpGroup : setting.getAllInterpreterGroups()) { intpGroup.close(); } } FileUtils.deleteDirectory(tmpDir); System.setProperty(ZeppelinConfiguration.ConfVars.ZEPPELIN_CONF_DIR.getVarName(), ZeppelinConfiguration.ConfVars.ZEPPELIN_CONF_DIR.getStringValue()); } @Test public void testLoadRunUnloadApplication() throws IOException, ApplicationException, InterruptedException { // given HeliumPackage pkg1 = new HeliumPackage(HeliumType.APPLICATION, "name1", "desc1", "", HeliumTestApplication.class.getName(), new String[][] {}, "", ""); Note note1 = notebook.createNote(anonymous); interpreterSettingManager.setInterpreters("user", note1.getId(), interpreterSettingManager.getDefaultInterpreterSettingList()); Paragraph p1 = note1.addParagraph(AuthenticationInfo.ANONYMOUS); // make sure interpreter process running p1.setText("%mock1 job"); p1.setAuthenticationInfo(anonymous); note1.run(p1.getId()); while (p1.isTerminated() == false || p1.getResult() == null) Thread.yield(); assertEquals("repl1: job", p1.getResult().message().get(0).getData()); // when assertEquals(0, p1.getAllApplicationStates().size()); String appId = heliumAppFactory.loadAndRun(pkg1, p1); assertEquals(1, p1.getAllApplicationStates().size()); ApplicationState app = p1.getApplicationState(appId); Thread.sleep(500); // wait for enough time // then assertEquals("Hello world 1", app.getOutput()); // when heliumAppFactory.run(p1, appId); Thread.sleep(500); // wait for enough time // then assertEquals("Hello world 2", app.getOutput()); // clean heliumAppFactory.unload(p1, appId); notebook.removeNote(note1.getId(), anonymous); } @Test public void testUnloadOnParagraphRemove() throws IOException { // given HeliumPackage pkg1 = new HeliumPackage(HeliumType.APPLICATION, "name1", "desc1", "", HeliumTestApplication.class.getName(), new String[][] {}, "", ""); Note note1 = notebook.createNote(anonymous); interpreterSettingManager.setInterpreters("user", note1.getId(), interpreterSettingManager.getDefaultInterpreterSettingList()); Paragraph p1 = note1.addParagraph(AuthenticationInfo.ANONYMOUS); // make sure interpreter process running p1.setText("%mock1 job"); p1.setAuthenticationInfo(anonymous); note1.run(p1.getId()); while (p1.isTerminated() == false || p1.getResult() == null) Thread.yield(); assertEquals(0, p1.getAllApplicationStates().size()); String appId = heliumAppFactory.loadAndRun(pkg1, p1); ApplicationState app = p1.getApplicationState(appId); while (app.getStatus() != ApplicationState.Status.LOADED) { Thread.yield(); } // when remove paragraph note1.removeParagraph("user", p1.getId()); // then assertEquals(ApplicationState.Status.UNLOADED, app.getStatus()); // clean notebook.removeNote(note1.getId(), anonymous); } @Test public void testUnloadOnInterpreterUnbind() throws IOException { // given HeliumPackage pkg1 = new HeliumPackage(HeliumType.APPLICATION, "name1", "desc1", "", HeliumTestApplication.class.getName(), new String[][] {}, "", ""); Note note1 = notebook.createNote(anonymous); notebook.bindInterpretersToNote("user", note1.getId(), interpreterSettingManager.getDefaultInterpreterSettingList()); Paragraph p1 = note1.addParagraph(AuthenticationInfo.ANONYMOUS); // make sure interpreter process running p1.setText("%mock1 job"); p1.setAuthenticationInfo(anonymous); note1.run(p1.getId()); while (p1.isTerminated() == false || p1.getResult() == null) Thread.yield(); assertEquals(0, p1.getAllApplicationStates().size()); String appId = heliumAppFactory.loadAndRun(pkg1, p1); ApplicationState app = p1.getApplicationState(appId); while (app.getStatus() != ApplicationState.Status.LOADED) { Thread.yield(); } // when unbind interpreter notebook.bindInterpretersToNote("user", note1.getId(), new LinkedList<String>()); // then assertEquals(ApplicationState.Status.UNLOADED, app.getStatus()); // clean notebook.removeNote(note1.getId(), anonymous); } @Test public void testInterpreterUnbindOfNullReplParagraph() throws IOException { // create note Note note1 = notebook.createNote(anonymous); // add paragraph with invalid magic Paragraph p1 = note1.addParagraph(AuthenticationInfo.ANONYMOUS); p1.setText("%fake "); // make sure that p1's repl is null Interpreter intp = p1.getCurrentRepl(); assertEquals(intp, null); // Unbind all interpreter from note // NullPointerException shouldn't occur here notebook.bindInterpretersToNote("user", note1.getId(), new LinkedList<String>()); // remove note notebook.removeNote(note1.getId(), anonymous); } @Test public void testUnloadOnInterpreterRestart() throws IOException { // given HeliumPackage pkg1 = new HeliumPackage(HeliumType.APPLICATION, "name1", "desc1", "", HeliumTestApplication.class.getName(), new String[][] {}, "", ""); Note note1 = notebook.createNote(anonymous); notebook.bindInterpretersToNote("user", note1.getId(), interpreterSettingManager.getDefaultInterpreterSettingList()); String mock1IntpSettingId = null; for (InterpreterSetting setting : notebook.getBindedInterpreterSettings(note1.getId())) { if (setting.getName().equals("mock1")) { mock1IntpSettingId = setting.getId(); break; } } Paragraph p1 = note1.addParagraph(AuthenticationInfo.ANONYMOUS); // make sure interpreter process running p1.setText("%mock1 job"); p1.setAuthenticationInfo(anonymous); note1.run(p1.getId()); while (p1.isTerminated() == false || p1.getResult() == null) Thread.yield(); assertEquals(0, p1.getAllApplicationStates().size()); String appId = heliumAppFactory.loadAndRun(pkg1, p1); ApplicationState app = p1.getApplicationState(appId); while (app.getStatus() != ApplicationState.Status.LOADED) { Thread.yield(); } // wait until application is executed while (!"Hello world 1".equals(app.getOutput())) { Thread.yield(); } // when restart interpreter interpreterSettingManager.restart(mock1IntpSettingId); while (app.getStatus() == ApplicationState.Status.LOADED) { Thread.yield(); } // then assertEquals(ApplicationState.Status.UNLOADED, app.getStatus()); // clean notebook.removeNote(note1.getId(), anonymous); } @Override public ParagraphJobListener getParagraphJobListener(Note note) { return new ParagraphJobListener() { @Override public void onOutputAppend(Paragraph paragraph, int idx, String output) { } @Override public void onOutputUpdate(Paragraph paragraph, int idx, InterpreterResultMessage msg) { } @Override public void onOutputUpdateAll(Paragraph paragraph, List<InterpreterResultMessage> msgs) { } @Override public void onProgressUpdate(Job job, int progress) { } @Override public void beforeStatusChange(Job job, Job.Status before, Job.Status after) { } @Override public void afterStatusChange(Job job, Job.Status before, Job.Status after) { } }; } }