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From s..@apache.org
Subject [46/50] [abbrv] hadoop git commit: YARN-8644. Improve unit test for RMAppImpl.FinalTransition. (Contributed by Szilard Nemeth)
Date Fri, 05 Oct 2018 22:07:15 GMT
YARN-8644. Improve unit test for RMAppImpl.FinalTransition. (Contributed by Szilard Nemeth)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/c9683656
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/c9683656
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/c9683656

Branch: refs/heads/HDFS-12943
Commit: c9683656508573fa8dd16287229ab5b1d5aa81ca
Parents: 73c660b
Author: Haibo Chen <haibochen@apache.org>
Authored: Fri Oct 5 09:31:48 2018 -0700
Committer: Haibo Chen <haibochen@apache.org>
Committed: Fri Oct 5 09:32:30 2018 -0700

----------------------------------------------------------------------
 .../server/resourcemanager/rmapp/RMAppImpl.java |  59 ++++---
 .../rmapp/TestRMAppTransitions.java             | 171 ++++++++++++-------
 2 files changed, 150 insertions(+), 80 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/c9683656/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
index d57f22c..bd645d7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
@@ -903,7 +903,6 @@ public class RMAppImpl implements RMApp, Recoverable {
 
   @Override
   public void handle(RMAppEvent event) {
-
     this.writeLock.lock();
 
     try {
@@ -1459,8 +1458,7 @@ public class RMAppImpl implements RMApp, Recoverable {
     }
   }
 
-  private static final class AppRejectedTransition extends
-      FinalTransition{
+  private static final class AppRejectedTransition extends FinalTransition {
     public AppRejectedTransition() {
       super(RMAppState.FAILED);
     }
@@ -1502,39 +1500,50 @@ public class RMAppImpl implements RMApp, Recoverable {
 
     private final RMAppState finalState;
 
-    public FinalTransition(RMAppState finalState) {
+    FinalTransition(RMAppState finalState) {
       this.finalState = finalState;
     }
 
+    @Override
     public void transition(RMAppImpl app, RMAppEvent event) {
-      app.logAggregationStartTime = app.systemClock.getTime();
+      completeAndCleanupApp(app);
+      handleAppFinished(app);
+      app.clearUnusedFields();
+      appAdminClientCleanUp(app);
+    }
+
+    private void completeAndCleanupApp(RMAppImpl app) {
+      //cleanup app in RM Nodes
       for (NodeId nodeId : app.getRanNodes()) {
         app.handler.handle(
-            new RMNodeCleanAppEvent(nodeId, app.applicationId));
-      }
-      app.finishTime = app.storedFinishTime;
-      if (app.finishTime == 0 ) {
-        app.finishTime = app.systemClock.getTime();
+                new RMNodeCleanAppEvent(nodeId, app.applicationId));
       }
       // Recovered apps that are completed were not added to scheduler, so no
       // need to remove them from scheduler.
       if (app.recoveredFinalState == null) {
         app.handler.handle(new AppRemovedSchedulerEvent(app.applicationId,
-          finalState));
+            finalState));
+      }
+
+      // Send app completed event to AppManager
+      app.handler.handle(new RMAppManagerEvent(app.applicationId,
+              RMAppManagerEventType.APP_COMPLETED));
+    }
+
+    private void handleAppFinished(RMAppImpl app) {
+      app.logAggregationStartTime = app.systemClock.getTime();
+      // record finish time
+      app.finishTime = app.storedFinishTime;
+      if (app.finishTime == 0) {
+        app.finishTime = app.systemClock.getTime();
       }
-      app.handler.handle(
-          new RMAppManagerEvent(app.applicationId,
-          RMAppManagerEventType.APP_COMPLETED));
 
+      //record finish in history and metrics
       app.rmContext.getRMApplicationHistoryWriter()
           .applicationFinished(app, finalState);
       app.rmContext.getSystemMetricsPublisher()
           .appFinished(app, finalState, app.finishTime);
-      // set the memory free
-      app.clearUnusedFields();
-
-      appAdminClientCleanUp(app);
-    };
+    }
   }
 
   public int getNumFailedAppAttempts() {
@@ -1550,7 +1559,7 @@ public class RMAppImpl implements RMApp, Recoverable {
   }
 
   private static final class AttemptFailedTransition implements
-      MultipleArcTransition<RMAppImpl, RMAppEvent, RMAppState> {
+        MultipleArcTransition<RMAppImpl, RMAppEvent, RMAppState> {
 
     private final RMAppState initialState;
 
@@ -1812,8 +1821,8 @@ public class RMAppImpl implements RMApp, Recoverable {
                 == LogAggregationStatus.TIME_OUT
                 && report.getLogAggregationStatus()
                     == LogAggregationStatus.RUNNING) {
-            // If the log aggregation status got from latest nm heartbeat
-            // is Running, and current log aggregation status is TimeOut,
+            // If the log aggregation status got from latest NM heartbeat
+            // is RUNNING, and current log aggregation status is TIME_OUT,
             // based on whether there are any failure messages for this NM,
             // we will reset the log aggregation status as RUNNING or
             // RUNNING_WITH_FAILURE
@@ -2137,4 +2146,10 @@ public class RMAppImpl implements RMApp, Recoverable {
               RMAppState state){
       /* TODO fail the application on the failed transition */
   }
+
+  @VisibleForTesting
+  public long getLogAggregationStartTime() {
+    return logAggregationStartTime;
+  }
+
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/c9683656/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
index 70887e0..33ef610 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
@@ -18,28 +18,7 @@
 
 package org.apache.hadoop.yarn.server.resourcemanager.rmapp;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyLong;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-
+import com.google.common.collect.Lists;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -52,9 +31,9 @@ import org.apache.hadoop.security.Credentials;
 import org.apache.hadoop.security.SecurityUtil;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;
+import org.apache.hadoop.test.GenericTestUtils;
 import org.apache.hadoop.yarn.MockApps;
 import org.apache.hadoop.yarn.api.ApplicationConstants.Environment;
-import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
@@ -89,7 +68,12 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEventType;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl;
+
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt
+    .RMAppAttemptState;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.ContainerAllocationExpirer;
+
+
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.YarnScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppRemovedSchedulerEvent;
@@ -111,6 +95,29 @@ import org.junit.runners.Parameterized;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Matchers;
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import static junit.framework.TestCase.assertTrue;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyLong;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
 
 @RunWith(value = Parameterized.class)
 public class TestRMAppTransitions {
@@ -128,6 +135,8 @@ public class TestRMAppTransitions {
   private SystemMetricsPublisher publisher;
   private YarnScheduler scheduler;
   private TestSchedulerEventDispatcher schedulerDispatcher;
+  private TestApplicationManagerEventDispatcher appManagerDispatcher;
+  private long testCaseStartTime;
 
   // ignore all the RM application attempt events
   private static final class TestApplicationAttemptEventDispatcher implements
@@ -181,8 +190,11 @@ public class TestRMAppTransitions {
   // ResourceManager.java
   private static final class TestApplicationManagerEventDispatcher implements
       EventHandler<RMAppManagerEvent> {
+    List<RMAppManagerEvent> events = Lists.newArrayList();
     @Override
     public void handle(RMAppManagerEvent event) {
+      LOG.info("Handling app manager event: " + event);
+      events.add(event);
     }
   }
 
@@ -243,7 +255,7 @@ public class TestRMAppTransitions {
 
     ResourceScheduler resourceScheduler = mock(ResourceScheduler.class);
     doReturn(null).when(resourceScheduler)
-              .getAppResourceUsageReport((ApplicationAttemptId)Matchers.any());
+              .getAppResourceUsageReport(Matchers.any());
     doReturn(resourceScheduler).when(rmContext).getScheduler();
 
     doReturn(mock(RMTimelineCollectorManager.class)).when(rmContext)
@@ -254,9 +266,11 @@ public class TestRMAppTransitions {
 
     rmDispatcher.register(RMAppEventType.class,
         new TestApplicationEventDispatcher(rmContext));
-    
+
+    appManagerDispatcher = new
+        TestApplicationManagerEventDispatcher();
     rmDispatcher.register(RMAppManagerEventType.class,
-        new TestApplicationManagerEventDispatcher());
+        appManagerDispatcher);
     
     schedulerDispatcher = new TestSchedulerEventDispatcher();
     rmDispatcher.register(SchedulerEventType.class,
@@ -264,6 +278,7 @@ public class TestRMAppTransitions {
     
     rmDispatcher.init(conf);
     rmDispatcher.start();
+    testCaseStartTime = System.currentTimeMillis();
   }
 
   private ByteBuffer getTokens() throws IOException {
@@ -332,7 +347,7 @@ public class TestRMAppTransitions {
     ContainerRetryContext containerRetryContext = ContainerRetryContext
         .newInstance(
             ContainerRetryPolicy.RETRY_ON_SPECIFIC_ERROR_CODES,
-            new HashSet<>(Arrays.asList(Integer.valueOf(111))), 0, 0);
+            new HashSet<>(Arrays.asList(111)), 0, 0);
     return containerRetryContext;
   }
 
@@ -424,17 +439,17 @@ public class TestRMAppTransitions {
         name, application.getName());
     Assert.assertEquals("application finish time is not 0 and should be",
         0, application.getFinishTime());
-    Assert.assertEquals("application tracking url is not correct",
-        null, application.getTrackingUrl());
+    Assert.assertNull("application tracking url is not correct",
+        application.getTrackingUrl());
     StringBuilder diag = application.getDiagnostics();
     Assert.assertEquals("application diagnostics is not correct",
         0, diag.length());
   }
 
   // test to make sure times are set when app finishes
-  private static void assertStartTimeSet(RMApp application) {
-    Assert.assertTrue("application start time is not greater than 0",
-        application.getStartTime() > 0);
+  private void assertStartTimeSet(RMApp application) {
+    Assert.assertTrue("application start time is before test case start time",
+        application.getStartTime() >= testCaseStartTime);
     Assert.assertTrue("application start time is before currentTime",
         application.getStartTime() <= System.currentTimeMillis());
   }
@@ -452,8 +467,6 @@ public class TestRMAppTransitions {
   // test to make sure times are set when app finishes
   private void assertTimesAtFinish(RMApp application) {
     assertStartTimeSet(application);
-    Assert.assertTrue("application finish time is not greater than 0",
-        (application.getFinishTime() > 0));
     Assert.assertTrue("application finish time is not >= start time",
         (application.getFinishTime() >= application.getStartTime()));
   }
@@ -537,8 +550,10 @@ public class TestRMAppTransitions {
     RMApp application = createNewTestApp(submissionContext);
     // NEW => SUBMITTED event RMAppEventType.RECOVER
     RMState state = new RMState();
+    long startTime = testCaseStartTime + 1;
     ApplicationStateData appState =
-        ApplicationStateData.newInstance(123, 123, null, "user", null);
+        ApplicationStateData.newInstance(testCaseStartTime, startTime, null,
+            "user", null);
     state.getApplicationState().put(application.getApplicationId(), appState);
     RMAppEvent event =
         new RMAppRecoverEvent(application.getApplicationId(), state);
@@ -590,14 +605,21 @@ public class TestRMAppTransitions {
   }
 
   protected RMApp testCreateAppFinishing(
-      ApplicationSubmissionContext submissionContext) throws IOException {
+      ApplicationSubmissionContext submissionContext) throws Exception {
     // unmanaged AMs don't use the FINISHING state
     assert submissionContext == null || !submissionContext.getUnmanagedAM();
     RMApp application = testCreateAppFinalSaving(submissionContext);
+    Assert.assertNotNull("app shouldn't be null", application);
     // FINAL_SAVING => FINISHING event RMAppEventType.APP_UPDATED
     RMAppEvent appUpdated =
         new RMAppEvent(application.getApplicationId(), RMAppEventType.APP_UPDATE_SAVED);
     application.handle(appUpdated);
+
+    GenericTestUtils.waitFor(() -> {
+      RMAppAttempt appAttempt = application.getCurrentAppAttempt();
+      return appAttempt != null &&
+          RMAppAttemptState.SUBMITTED.equals(appAttempt.getState());
+    }, 10, 80 * 1000);
     assertAppState(RMAppState.FINISHING, application);
     assertTimesAtFinish(application);
     return application;
@@ -605,7 +627,7 @@ public class TestRMAppTransitions {
 
   protected RMApp testCreateAppFinished(
       ApplicationSubmissionContext submissionContext,
-      String diagnostics) throws IOException {
+      String diagnostics) throws Exception {
     // unmanaged AMs don't use the FINISHING state
     RMApp application = null;
     if (submissionContext != null && submissionContext.getUnmanagedAM()) {
@@ -613,10 +635,17 @@ public class TestRMAppTransitions {
     } else {
       application = testCreateAppFinishing(submissionContext);
     }
+
+    verifyAppBeforeFinishEvent(application);
     // RUNNING/FINISHING => FINISHED event RMAppEventType.ATTEMPT_FINISHED
     RMAppEvent finishedEvent = new RMAppEvent(application.getApplicationId(),
         RMAppEventType.ATTEMPT_FINISHED, diagnostics);
     application.handle(finishedEvent);
+
+    //only run this verification if we created a finishing app
+    if (submissionContext == null) {
+      verifyAppAfterFinishEvent(application);
+    }
     assertAppState(RMAppState.FINISHED, application);
     assertTimesAtFinish(application);
     // finished without a proper unregister implies failed
@@ -627,7 +656,7 @@ public class TestRMAppTransitions {
   }
 
   @Test
-  public void testUnmanagedApp() throws IOException {
+  public void testUnmanagedApp() throws Exception {
     ApplicationSubmissionContext subContext = new ApplicationSubmissionContextPBImpl();
     subContext.setUnmanagedAM(true);
 
@@ -659,7 +688,7 @@ public class TestRMAppTransitions {
   }
   
   @Test
-  public void testAppSuccessPath() throws IOException {
+  public void testAppSuccessPath() throws Exception {
     LOG.info("--- START: testAppSuccessPath ---");
     final String diagMsg = "some diagnostics";
     RMApp application = testCreateAppFinished(null, diagMsg);
@@ -695,7 +724,7 @@ public class TestRMAppTransitions {
     assertKilled(application);
     assertAppFinalStateNotSaved(application);
     verifyApplicationFinished(RMAppState.KILLED);
-    verifyAppRemovedSchedulerEvent(RMAppState.KILLED);
+    verifyAppRemovedSchedulerEvent(application, RMAppState.KILLED);
     verifyRMAppFieldsForFinalTransitions(application);
   }
 
@@ -754,7 +783,7 @@ public class TestRMAppTransitions {
     sendAppUpdateSavedEvent(application);
     assertKilled(application);
     verifyApplicationFinished(RMAppState.KILLED);
-    verifyAppRemovedSchedulerEvent(RMAppState.KILLED);
+    verifyAppRemovedSchedulerEvent(application, RMAppState.KILLED);
     verifyRMAppFieldsForFinalTransitions(application);
   }
 
@@ -830,7 +859,7 @@ public class TestRMAppTransitions {
     assertKilled(application);
     assertAppFinalStateSaved(application);
     verifyApplicationFinished(RMAppState.KILLED);
-    verifyAppRemovedSchedulerEvent(RMAppState.KILLED);
+    verifyAppRemovedSchedulerEvent(application, RMAppState.KILLED);
     verifyRMAppFieldsForFinalTransitions(application);
   }
 
@@ -894,7 +923,7 @@ public class TestRMAppTransitions {
     assertKilled(application);
     assertAppFinalStateSaved(application);
     verifyApplicationFinished(RMAppState.KILLED);
-    verifyAppRemovedSchedulerEvent(RMAppState.KILLED);
+    verifyAppRemovedSchedulerEvent(application, RMAppState.KILLED);
     verifyRMAppFieldsForFinalTransitions(application);
   }
 
@@ -918,7 +947,7 @@ public class TestRMAppTransitions {
     assertKilled(application);
     assertAppFinalStateSaved(application);
     verifyApplicationFinished(RMAppState.KILLED);
-    verifyAppRemovedSchedulerEvent(RMAppState.KILLED);
+    verifyAppRemovedSchedulerEvent(application, RMAppState.KILLED);
   }
 
   @Test
@@ -942,7 +971,7 @@ public class TestRMAppTransitions {
     sendAppUpdateSavedEvent(application);
     assertKilled(application);
     verifyApplicationFinished(RMAppState.KILLED);
-    verifyAppRemovedSchedulerEvent(RMAppState.KILLED);
+    verifyAppRemovedSchedulerEvent(application, RMAppState.KILLED);
     verifyRMAppFieldsForFinalTransitions(application);
   }
 
@@ -1005,7 +1034,7 @@ public class TestRMAppTransitions {
   }
 
   @Test
-  public void testAppAtFinishingIgnoreKill() throws IOException {
+  public void testAppAtFinishingIgnoreKill() throws Exception {
     LOG.info("--- START: testAppAtFinishingIgnoreKill ---");
 
     RMApp application = testCreateAppFinishing(null);
@@ -1047,7 +1076,7 @@ public class TestRMAppTransitions {
   }
 
   @Test
-  public void testAppFinishedFinished() throws IOException {
+  public void testAppFinishedFinished() throws Exception {
     LOG.info("--- START: testAppFinishedFinished ---");
 
     RMApp application = testCreateAppFinished(null, "");
@@ -1063,6 +1092,7 @@ public class TestRMAppTransitions {
     Assert.assertEquals("application diagnostics is not correct",
         "", diag.toString());
     verifyApplicationFinished(RMAppState.FINISHED);
+    verifyAppRemovedSchedulerEvent(application, RMAppState.FINISHED);
     verifyRMAppFieldsForFinalTransitions(application);
   }
 
@@ -1152,7 +1182,7 @@ public class TestRMAppTransitions {
   }
   
   @Test (timeout = 30000)
-  public void testAppStartAfterKilled() throws IOException {
+  public void testAppStartAfterKilled() {
     LOG.info("--- START: testAppStartAfterKilled ---");
 
     ApplicationId applicationId = MockApps.newAppID(appId++);
@@ -1162,8 +1192,8 @@ public class TestRMAppTransitions {
           @Override
           protected void onInvalidStateTransition(RMAppEventType rmAppEventType,
                   RMAppState state) {
-            Assert.assertTrue("RMAppImpl: can't handle " + rmAppEventType
-                                 + " at state " + state, false);
+            Assert.fail("RMAppImpl: can't handle " + rmAppEventType
+                                 + " at state " + state);
           }
       };
 
@@ -1200,8 +1230,7 @@ public class TestRMAppTransitions {
   }
   
   public void testRecoverApplication(ApplicationStateData appState,
-      RMState rmState)
-      throws Exception {
+      RMState rmState) {
     ApplicationSubmissionContext submissionContext =
         appState.getApplicationSubmissionContext();
     RMAppImpl application =
@@ -1257,6 +1286,30 @@ public class TestRMAppTransitions {
             + "/"));
   }
 
+  private void verifyAppBeforeFinishEvent(RMApp app) {
+    assertEquals(0L, ((RMAppImpl) app).getLogAggregationStartTime());
+    //RMAppEventType.APP_UPDATE_SAVED sets the finish time
+    assertTrue("App manager events should not be received!",
+            appManagerDispatcher.events.isEmpty());
+  }
+
+  private void verifyAppAfterFinishEvent(RMApp app) {
+    assertTrue(
+            testCaseStartTime < ((RMAppImpl) app).getLogAggregationStartTime());
+    assertAppState(RMAppState.FINISHED, app);
+    verifyAppCompletedEvent(app);
+    verifyAppRemovedSchedulerEvent(app, RMAppState.FINISHED);
+  }
+
+  private void verifyAppCompletedEvent(RMApp app) {
+    assertEquals(1, appManagerDispatcher.events.size());
+    RMAppManagerEvent rmAppManagerEvent = appManagerDispatcher.events.get(0);
+    assertEquals(RMAppManagerEventType.APP_COMPLETED,
+        rmAppManagerEvent.getType());
+    assertEquals(app.getApplicationId().getId(),
+        rmAppManagerEvent.getApplicationId().getId());
+  }
+
   private void verifyApplicationFinished(RMAppState state) {
     ArgumentCaptor<RMAppState> finalState =
         ArgumentCaptor.forClass(RMAppState.class);
@@ -1268,14 +1321,16 @@ public class TestRMAppTransitions {
     Assert.assertEquals(state, finalState.getValue());
   }
   
-  private void verifyAppRemovedSchedulerEvent(RMAppState finalState) {
-    Assert.assertEquals(SchedulerEventType.APP_REMOVED,
-      schedulerDispatcher.lastSchedulerEvent.getType());
-    if(schedulerDispatcher.lastSchedulerEvent instanceof 
-        AppRemovedSchedulerEvent) {
+  private void verifyAppRemovedSchedulerEvent(RMApp app,
+      RMAppState finalState) {
+    SchedulerEvent lastEvent = schedulerDispatcher.lastSchedulerEvent;
+    Assert.assertEquals(SchedulerEventType.APP_REMOVED, lastEvent.getType());
+    if (lastEvent instanceof AppRemovedSchedulerEvent) {
       AppRemovedSchedulerEvent appRemovedEvent =
-          (AppRemovedSchedulerEvent) schedulerDispatcher.lastSchedulerEvent;
+          (AppRemovedSchedulerEvent) lastEvent;
       Assert.assertEquals(finalState, appRemovedEvent.getFinalState());
+      Assert.assertEquals(app.getApplicationId().getId(),
+          appRemovedEvent.getApplicationID().getId());
     }
   }
 


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