/** * 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.hadoop.yarn.client.api.impl; import static org.mockito.Matchers.any; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.times; import static org.mockito.Mockito.verify; import static org.mockito.Mockito.when; import java.io.IOException; import java.security.PrivilegedExceptionAction; import java.util.ArrayList; import java.util.EnumSet; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Set; import junit.framework.Assert; import org.apache.commons.io.IOUtils; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.security.UserGroupInformation; import org.apache.hadoop.yarn.api.ApplicationClientProtocol; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptsResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetContainerReportResponse; import org.apache.hadoop.yarn.api.protocolrecords.GetContainersRequest; import org.apache.hadoop.yarn.api.protocolrecords.GetContainersResponse; import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest; import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse; import org.apache.hadoop.yarn.api.records.ApplicationAccessType; import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; import org.apache.hadoop.yarn.api.records.ApplicationAttemptReport; import org.apache.hadoop.yarn.api.records.ApplicationId; import org.apache.hadoop.yarn.api.records.ApplicationReport; import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext; import org.apache.hadoop.yarn.api.records.ContainerId; import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; import org.apache.hadoop.yarn.api.records.ContainerReport; import org.apache.hadoop.yarn.api.records.ContainerState; import org.apache.hadoop.yarn.api.records.FinalApplicationStatus; import org.apache.hadoop.yarn.api.records.NodeId; import org.apache.hadoop.yarn.api.records.Priority; import org.apache.hadoop.yarn.api.records.Resource; import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState; import org.apache.hadoop.yarn.api.records.YarnApplicationState; import org.apache.hadoop.yarn.client.api.YarnClient; import org.apache.hadoop.yarn.client.api.YarnClientApplication; import org.apache.hadoop.yarn.conf.YarnConfiguration; import org.apache.hadoop.yarn.exceptions.ApplicationIdNotProvidedException; import org.apache.hadoop.yarn.exceptions.YarnException; import org.apache.hadoop.yarn.server.MiniYARNCluster; import org.apache.hadoop.yarn.server.resourcemanager.MockRM; import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager; import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp; import org.apache.hadoop.yarn.util.Records; import org.apache.log4j.Level; import org.apache.log4j.LogManager; import org.apache.log4j.Logger; import org.junit.Test; public class TestYarnClient { @Test public void test() { // More to come later. } @Test public void testClientStop() { Configuration conf = new Configuration(); ResourceManager rm = new ResourceManager(); rm.init(conf); rm.start(); YarnClient client = YarnClient.createYarnClient(); client.init(conf); client.start(); client.stop(); rm.stop(); } @SuppressWarnings("deprecation") @Test (timeout = 30000) public void testSubmitApplication() { Configuration conf = new Configuration(); conf.setLong(YarnConfiguration.YARN_CLIENT_APP_SUBMISSION_POLL_INTERVAL_MS, 100); // speed up tests final YarnClient client = new MockYarnClient(); client.init(conf); client.start(); YarnApplicationState[] exitStates = new YarnApplicationState[] { YarnApplicationState.SUBMITTED, YarnApplicationState.ACCEPTED, YarnApplicationState.RUNNING, YarnApplicationState.FINISHED, YarnApplicationState.FAILED, YarnApplicationState.KILLED }; // Submit an application without ApplicationId provided // Should get ApplicationIdNotProvidedException ApplicationSubmissionContext contextWithoutApplicationId = mock(ApplicationSubmissionContext.class); try { client.submitApplication(contextWithoutApplicationId); Assert.fail("Should throw the ApplicationIdNotProvidedException"); } catch (YarnException e) { Assert.assertTrue(e instanceof ApplicationIdNotProvidedException); Assert.assertTrue(e.getMessage().contains( "ApplicationId is not provided in ApplicationSubmissionContext")); } catch (IOException e) { Assert.fail("IOException is not expected."); } // Submit the application with applicationId provided // Should be successful for (int i = 0; i < exitStates.length; ++i) { ApplicationSubmissionContext context = mock(ApplicationSubmissionContext.class); ApplicationId applicationId = ApplicationId.newInstance( System.currentTimeMillis(), i); when(context.getApplicationId()).thenReturn(applicationId); ((MockYarnClient) client).setYarnApplicationState(exitStates[i]); try { client.submitApplication(context); } catch (YarnException e) { Assert.fail("Exception is not expected."); } catch (IOException e) { Assert.fail("Exception is not expected."); } verify(((MockYarnClient) client).mockReport,times(4 * i + 4)) .getYarnApplicationState(); } client.stop(); } @Test public void testKillApplication() throws Exception { MockRM rm = new MockRM(); rm.start(); RMApp app = rm.submitApp(2000); Configuration conf = new Configuration(); @SuppressWarnings("resource") final YarnClient client = new MockYarnClient(); client.init(conf); client.start(); client.killApplication(app.getApplicationId()); verify(((MockYarnClient) client).getRMClient(), times(2)) .forceKillApplication(any(KillApplicationRequest.class)); } @Test(timeout = 30000) public void testApplicationType() throws Exception { Logger rootLogger = LogManager.getRootLogger(); rootLogger.setLevel(Level.DEBUG); MockRM rm = new MockRM(); rm.start(); RMApp app = rm.submitApp(2000); RMApp app1 = rm.submitApp(200, "name", "user", new HashMap<ApplicationAccessType, String>(), false, "default", -1, null, "MAPREDUCE"); Assert.assertEquals("YARN", app.getApplicationType()); Assert.assertEquals("MAPREDUCE", app1.getApplicationType()); rm.stop(); } @Test(timeout = 30000) public void testApplicationTypeLimit() throws Exception { Logger rootLogger = LogManager.getRootLogger(); rootLogger.setLevel(Level.DEBUG); MockRM rm = new MockRM(); rm.start(); RMApp app1 = rm.submitApp(200, "name", "user", new HashMap<ApplicationAccessType, String>(), false, "default", -1, null, "MAPREDUCE-LENGTH-IS-20"); Assert.assertEquals("MAPREDUCE-LENGTH-IS-", app1.getApplicationType()); rm.stop(); } @Test (timeout = 10000) public void testGetApplications() throws YarnException, IOException { Configuration conf = new Configuration(); final YarnClient client = new MockYarnClient(); client.init(conf); client.start(); List<ApplicationReport> expectedReports = ((MockYarnClient)client).getReports(); List<ApplicationReport> reports = client.getApplications(); Assert.assertEquals(reports, expectedReports); Set<String> appTypes = new HashSet<String>(); appTypes.add("YARN"); appTypes.add("NON-YARN"); reports = client.getApplications(appTypes, null); Assert.assertEquals(reports.size(), 2); Assert .assertTrue((reports.get(0).getApplicationType().equals("YARN") && reports .get(1).getApplicationType().equals("NON-YARN")) || (reports.get(1).getApplicationType().equals("YARN") && reports .get(0).getApplicationType().equals("NON-YARN"))); for(ApplicationReport report : reports) { Assert.assertTrue(expectedReports.contains(report)); } EnumSet<YarnApplicationState> appStates = EnumSet.noneOf(YarnApplicationState.class); appStates.add(YarnApplicationState.FINISHED); appStates.add(YarnApplicationState.FAILED); reports = client.getApplications(null, appStates); Assert.assertEquals(reports.size(), 2); Assert .assertTrue((reports.get(0).getApplicationType().equals("NON-YARN") && reports .get(1).getApplicationType().equals("NON-MAPREDUCE")) || (reports.get(1).getApplicationType().equals("NON-YARN") && reports .get(0).getApplicationType().equals("NON-MAPREDUCE"))); for (ApplicationReport report : reports) { Assert.assertTrue(expectedReports.contains(report)); } reports = client.getApplications(appTypes, appStates); Assert.assertEquals(reports.size(), 1); Assert .assertTrue((reports.get(0).getApplicationType().equals("NON-YARN"))); for (ApplicationReport report : reports) { Assert.assertTrue(expectedReports.contains(report)); } client.stop(); } @Test(timeout = 10000) public void testGetApplicationAttempts() throws YarnException, IOException { Configuration conf = new Configuration(); final YarnClient client = new MockYarnClient(); client.init(conf); client.start(); ApplicationId applicationId = ApplicationId.newInstance(1234, 5); List<ApplicationAttemptReport> reports = client .getApplicationAttempts(applicationId); Assert.assertNotNull(reports); Assert.assertEquals(reports.get(0).getApplicationAttemptId(), ApplicationAttemptId.newInstance(applicationId, 1)); Assert.assertEquals(reports.get(1).getApplicationAttemptId(), ApplicationAttemptId.newInstance(applicationId, 2)); client.stop(); } @Test(timeout = 10000) public void testGetApplicationAttempt() throws YarnException, IOException { Configuration conf = new Configuration(); final YarnClient client = new MockYarnClient(); client.init(conf); client.start(); List<ApplicationReport> expectedReports = ((MockYarnClient) client) .getReports(); ApplicationId applicationId = ApplicationId.newInstance(1234, 5); ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance( applicationId, 1); ApplicationAttemptReport report = client .getApplicationAttemptReport(appAttemptId); Assert.assertNotNull(report); Assert.assertEquals(report.getApplicationAttemptId().toString(), expectedReports.get(0).getCurrentApplicationAttemptId().toString()); client.stop(); } @Test(timeout = 10000) public void testGetContainers() throws YarnException, IOException { Configuration conf = new Configuration(); final YarnClient client = new MockYarnClient(); client.init(conf); client.start(); ApplicationId applicationId = ApplicationId.newInstance(1234, 5); ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance( applicationId, 1); List<ContainerReport> reports = client.getContainers(appAttemptId); Assert.assertNotNull(reports); Assert.assertEquals(reports.get(0).getContainerId(), (ContainerId.newInstance(appAttemptId, 1))); Assert.assertEquals(reports.get(1).getContainerId(), (ContainerId.newInstance(appAttemptId, 2))); client.stop(); } @Test(timeout = 10000) public void testGetContainerReport() throws YarnException, IOException { Configuration conf = new Configuration(); final YarnClient client = new MockYarnClient(); client.init(conf); client.start(); List<ApplicationReport> expectedReports = ((MockYarnClient) client) .getReports(); ApplicationId applicationId = ApplicationId.newInstance(1234, 5); ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance( applicationId, 1); ContainerId containerId = ContainerId.newInstance(appAttemptId, 1); ContainerReport report = client.getContainerReport(containerId); Assert.assertNotNull(report); Assert.assertEquals(report.getContainerId().toString(), (ContainerId.newInstance(expectedReports.get(0) .getCurrentApplicationAttemptId(), 1)).toString()); client.stop(); } private static class MockYarnClient extends YarnClientImpl { private ApplicationReport mockReport; private List<ApplicationReport> reports; private HashMap<ApplicationId, List<ApplicationAttemptReport>> attempts = new HashMap<ApplicationId, List<ApplicationAttemptReport>>(); private HashMap<ApplicationAttemptId, List<ContainerReport>> containers = new HashMap<ApplicationAttemptId, List<ContainerReport>>(); GetApplicationsResponse mockAppResponse = mock(GetApplicationsResponse.class); GetApplicationAttemptsResponse mockAppAttemptsResponse = mock(GetApplicationAttemptsResponse.class); GetApplicationAttemptReportResponse mockAttemptResponse = mock(GetApplicationAttemptReportResponse.class); GetContainersResponse mockContainersResponse = mock(GetContainersResponse.class); GetContainerReportResponse mockContainerResponse = mock(GetContainerReportResponse.class); public MockYarnClient() { super(); reports = createAppReports(); } @Override public void start() { rmClient = mock(ApplicationClientProtocol.class); GetApplicationReportResponse mockResponse = mock(GetApplicationReportResponse.class); mockReport = mock(ApplicationReport.class); try{ when(rmClient.getApplicationReport(any( GetApplicationReportRequest.class))).thenReturn(mockResponse); when(rmClient.getApplications(any(GetApplicationsRequest.class))) .thenReturn(mockAppResponse); // return false for 1st kill request, and true for the 2nd. when(rmClient.forceKillApplication(any( KillApplicationRequest.class))) .thenReturn(KillApplicationResponse.newInstance(false)).thenReturn( KillApplicationResponse.newInstance(true)); when( rmClient .getApplicationAttemptReport(any(GetApplicationAttemptReportRequest.class))) .thenReturn(mockAttemptResponse); when( rmClient .getApplicationAttempts(any(GetApplicationAttemptsRequest.class))) .thenReturn(mockAppAttemptsResponse); when(rmClient.getContainers(any(GetContainersRequest.class))) .thenReturn(mockContainersResponse); when(rmClient.getContainerReport(any(GetContainerReportRequest.class))) .thenReturn(mockContainerResponse); } catch (YarnException e) { Assert.fail("Exception is not expected."); } catch (IOException e) { Assert.fail("Exception is not expected."); } when(mockResponse.getApplicationReport()).thenReturn(mockReport); } public ApplicationClientProtocol getRMClient() { return rmClient; } @Override public List<ApplicationReport> getApplications( Set<String> applicationTypes, EnumSet<YarnApplicationState> applicationStates) throws YarnException, IOException { when(mockAppResponse.getApplicationList()).thenReturn( getApplicationReports(reports, applicationTypes, applicationStates)); return super.getApplications(applicationTypes, applicationStates); } @Override public void stop() { } public void setYarnApplicationState(YarnApplicationState state) { when(mockReport.getYarnApplicationState()).thenReturn( YarnApplicationState.NEW, YarnApplicationState.NEW_SAVING, YarnApplicationState.NEW_SAVING, state); } public List<ApplicationReport> getReports() { return this.reports; } private List<ApplicationReport> createAppReports() { ApplicationId applicationId = ApplicationId.newInstance(1234, 5); ApplicationReport newApplicationReport = ApplicationReport.newInstance( applicationId, ApplicationAttemptId.newInstance(applicationId, 1), "user", "queue", "appname", "host", 124, null, YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null); List<ApplicationReport> applicationReports = new ArrayList<ApplicationReport>(); applicationReports.add(newApplicationReport); List<ApplicationAttemptReport> appAttempts = new ArrayList<ApplicationAttemptReport>(); ApplicationAttemptReport attempt = ApplicationAttemptReport.newInstance( ApplicationAttemptId.newInstance(applicationId, 1), "host", 124, "url", "diagnostics", YarnApplicationAttemptState.FINISHED, ContainerId.newInstance( newApplicationReport.getCurrentApplicationAttemptId(), 1)); appAttempts.add(attempt); ApplicationAttemptReport attempt1 = ApplicationAttemptReport.newInstance( ApplicationAttemptId.newInstance(applicationId, 2), "host", 124, "url", "diagnostics", YarnApplicationAttemptState.FINISHED, ContainerId.newInstance( newApplicationReport.getCurrentApplicationAttemptId(), 2)); appAttempts.add(attempt1); attempts.put(applicationId, appAttempts); List<ContainerReport> containerReports = new ArrayList<ContainerReport>(); ContainerReport container = ContainerReport.newInstance( ContainerId.newInstance(attempt.getApplicationAttemptId(), 1), null, NodeId.newInstance("host", 1234), Priority.UNDEFINED, 1234, 5678, "diagnosticInfo", "logURL", 0, ContainerState.COMPLETE); containerReports.add(container); ContainerReport container1 = ContainerReport.newInstance( ContainerId.newInstance(attempt.getApplicationAttemptId(), 2), null, NodeId.newInstance("host", 1234), Priority.UNDEFINED, 1234, 5678, "diagnosticInfo", "logURL", 0, ContainerState.COMPLETE); containerReports.add(container1); containers.put(attempt.getApplicationAttemptId(), containerReports); ApplicationId applicationId2 = ApplicationId.newInstance(1234, 6); ApplicationReport newApplicationReport2 = ApplicationReport.newInstance( applicationId2, ApplicationAttemptId.newInstance(applicationId2, 2), "user2", "queue2", "appname2", "host2", 125, null, YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2, FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.63789f, "NON-YARN", null); applicationReports.add(newApplicationReport2); ApplicationId applicationId3 = ApplicationId.newInstance(1234, 7); ApplicationReport newApplicationReport3 = ApplicationReport.newInstance( applicationId3, ApplicationAttemptId.newInstance(applicationId3, 3), "user3", "queue3", "appname3", "host3", 126, null, YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3, FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.73789f, "MAPREDUCE", null); applicationReports.add(newApplicationReport3); ApplicationId applicationId4 = ApplicationId.newInstance(1234, 8); ApplicationReport newApplicationReport4 = ApplicationReport.newInstance( applicationId4, ApplicationAttemptId.newInstance(applicationId4, 4), "user4", "queue4", "appname4", "host4", 127, null, YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4, FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.83789f, "NON-MAPREDUCE", null); applicationReports.add(newApplicationReport4); return applicationReports; } private List<ApplicationReport> getApplicationReports( List<ApplicationReport> applicationReports, Set<String> applicationTypes, EnumSet<YarnApplicationState> applicationStates) { List<ApplicationReport> appReports = new ArrayList<ApplicationReport>(); for (ApplicationReport appReport : applicationReports) { if (applicationTypes != null && !applicationTypes.isEmpty()) { if (!applicationTypes.contains(appReport.getApplicationType())) { continue; } } if (applicationStates != null && !applicationStates.isEmpty()) { if (!applicationStates.contains(appReport.getYarnApplicationState())) { continue; } } appReports.add(appReport); } return appReports; } @Override public List<ApplicationAttemptReport> getApplicationAttempts( ApplicationId appId) throws YarnException, IOException { when(mockAppAttemptsResponse.getApplicationAttemptList()).thenReturn( getAttempts(appId)); return super.getApplicationAttempts(appId); } @Override public ApplicationAttemptReport getApplicationAttemptReport( ApplicationAttemptId appAttemptId) throws YarnException, IOException { when(mockAttemptResponse.getApplicationAttemptReport()).thenReturn( getAttempt(appAttemptId)); return super.getApplicationAttemptReport(appAttemptId); } @Override public List<ContainerReport> getContainers(ApplicationAttemptId appAttemptId) throws YarnException, IOException { when(mockContainersResponse.getContainerList()).thenReturn( getContainersReport(appAttemptId)); return super.getContainers(appAttemptId); } @Override public ContainerReport getContainerReport(ContainerId containerId) throws YarnException, IOException { when(mockContainerResponse.getContainerReport()).thenReturn( getContainer(containerId)); return super.getContainerReport(containerId); } public List<ApplicationAttemptReport> getAttempts(ApplicationId appId) { return attempts.get(appId); } public ApplicationAttemptReport getAttempt(ApplicationAttemptId appAttemptId) { return attempts.get(appAttemptId.getApplicationId()).get(0); } public List<ContainerReport> getContainersReport( ApplicationAttemptId appAttemptId) { return containers.get(appAttemptId); } public ContainerReport getContainer(ContainerId containerId) { return containers.get(containerId.getApplicationAttemptId()).get(0); } } @Test(timeout = 30000) public void testAMMRTokens() throws Exception { MiniYARNCluster cluster = new MiniYARNCluster("testMRAMTokens", 1, 1, 1); YarnClient rmClient = null; try { cluster.init(new YarnConfiguration()); cluster.start(); final Configuration yarnConf = cluster.getConfig(); rmClient = YarnClient.createYarnClient(); rmClient.init(yarnConf); rmClient.start(); ApplicationId appId = createApp(rmClient, false); waitTillAccepted(rmClient, appId); //managed AMs don't return AMRM token Assert.assertNull(rmClient.getAMRMToken(appId)); appId = createApp(rmClient, true); waitTillAccepted(rmClient, appId); long start = System.currentTimeMillis(); while (rmClient.getAMRMToken(appId) == null) { if (System.currentTimeMillis() - start > 20 * 1000) { Assert.fail("AMRM token is null"); } Thread.sleep(100); } //unmanaged AMs do return AMRM token Assert.assertNotNull(rmClient.getAMRMToken(appId)); UserGroupInformation other = UserGroupInformation.createUserForTesting("foo", new String[]{}); appId = other.doAs( new PrivilegedExceptionAction<ApplicationId>() { @Override public ApplicationId run() throws Exception { YarnClient rmClient = YarnClient.createYarnClient(); rmClient.init(yarnConf); rmClient.start(); ApplicationId appId = createApp(rmClient, true); waitTillAccepted(rmClient, appId); long start = System.currentTimeMillis(); while (rmClient.getAMRMToken(appId) == null) { if (System.currentTimeMillis() - start > 20 * 1000) { Assert.fail("AMRM token is null"); } Thread.sleep(100); } //unmanaged AMs do return AMRM token Assert.assertNotNull(rmClient.getAMRMToken(appId)); return appId; } }); //other users don't get AMRM token Assert.assertNull(rmClient.getAMRMToken(appId)); } finally { if (rmClient != null) { rmClient.stop(); } cluster.stop(); } } private ApplicationId createApp(YarnClient rmClient, boolean unmanaged) throws Exception { YarnClientApplication newApp = rmClient.createApplication(); ApplicationId appId = newApp.getNewApplicationResponse().getApplicationId(); // Create launch context for app master ApplicationSubmissionContext appContext = Records.newRecord(ApplicationSubmissionContext.class); // set the application id appContext.setApplicationId(appId); // set the application name appContext.setApplicationName("test"); // Set the priority for the application master Priority pri = Records.newRecord(Priority.class); pri.setPriority(1); appContext.setPriority(pri); // Set the queue to which this application is to be submitted in the RM appContext.setQueue("default"); // Set up the container launch context for the application master ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class); appContext.setAMContainerSpec(amContainer); appContext.setResource(Resource.newInstance(1024, 1)); appContext.setUnmanagedAM(unmanaged); // Submit the application to the applications manager rmClient.submitApplication(appContext); return appId; } private void waitTillAccepted(YarnClient rmClient, ApplicationId appId) throws Exception { try { long start = System.currentTimeMillis(); ApplicationReport report = rmClient.getApplicationReport(appId); while (YarnApplicationState.ACCEPTED != report.getYarnApplicationState()) { if (System.currentTimeMillis() - start > 20 * 1000) { throw new Exception("App '" + appId + "' time out, failed to reach ACCEPTED state"); } Thread.sleep(200); report = rmClient.getApplicationReport(appId); } } catch (Exception ex) { throw new Exception(ex); } } @Test public void testAsyncAPIPollTimeout() { testAsyncAPIPollTimeoutHelper(null, false); testAsyncAPIPollTimeoutHelper(0L, true); testAsyncAPIPollTimeoutHelper(1L, true); } private void testAsyncAPIPollTimeoutHelper(Long valueForTimeout, boolean expectedTimeoutEnforcement) { YarnClientImpl client = new YarnClientImpl(); try { Configuration conf = new Configuration(); if (valueForTimeout != null) { conf.setLong( YarnConfiguration.YARN_CLIENT_APPLICATION_CLIENT_PROTOCOL_POLL_TIMEOUT_MS, valueForTimeout); } client.init(conf); Assert.assertEquals( expectedTimeoutEnforcement, client.enforceAsyncAPITimeout()); } finally { IOUtils.closeQuietly(client); } } }