YARN-3412. RM tests should use MockRM where possible. (kasha)

hadoop-yarn-project/CHANGES.txt

@@ -119,6 +119,8 @@ Release 2.8.0 - UNRELEASED
     YARN-3400. [JDK 8] Build Failure due to unreported exceptions in
     RPCUtil (rkanter)
 
+    YARN-3412. RM tests should use MockRM where possible. (kasha)
+
 Release 2.7.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestMoveApplication.java

@@ -52,8 +52,7 @@ public class TestMoveApplication {
         FifoSchedulerWithMove.class);
     conf.set(YarnConfiguration.YARN_ADMIN_ACL, " ");
     conf.setBoolean(YarnConfiguration.YARN_ACL_ENABLE, true);
-    resourceManager = new ResourceManager();
-    resourceManager.init(conf);
+    resourceManager = new MockRM(conf);
     resourceManager.getRMContext().getContainerTokenSecretManager().rollMasterKey();
     resourceManager.getRMContext().getNMTokenSecretManager().rollMasterKey();
     resourceManager.start();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceManager.java

@@ -212,9 +212,8 @@ public class TestResourceManager {
   public void testResourceManagerInitConfigValidation() throws Exception {
     Configuration conf = new YarnConfiguration();
     conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, -1);
-    resourceManager = new ResourceManager();
     try {
-      resourceManager.init(conf);
+      resourceManager = new MockRM(conf);
       fail("Exception is expected because the global max attempts" +
           " is negative.");
     } catch (YarnRuntimeException e) {
@@ -229,9 +228,8 @@ public class TestResourceManager {
     Configuration conf = new YarnConfiguration();
     conf.setLong(YarnConfiguration.RM_NM_EXPIRY_INTERVAL_MS, 1000);
     conf.setLong(YarnConfiguration.RM_NM_HEARTBEAT_INTERVAL_MS, 1001);
-    resourceManager = new ResourceManager();;
     try {
-      resourceManager.init(conf);
+      resourceManager = new MockRM(conf);
     } catch (YarnRuntimeException e) {
       // Exception is expected.
       if (!e.getMessage().startsWith("Nodemanager expiry interval should be no"

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/TestSchedulingMonitor.java

@@ -20,6 +20,7 @@ package org.apache.hadoop.yarn.server.resourcemanager.monitor;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
 import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
 import org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy;
 import org.junit.Test;
@@ -35,7 +36,7 @@ public class TestSchedulingMonitor {
     conf.set(YarnConfiguration.RM_SCHEDULER_MONITOR_POLICIES,
         ProportionalCapacityPreemptionPolicy.class.getCanonicalName());
 
-    ResourceManager rm = new ResourceManager();
+    ResourceManager rm = new MockRM();
     try {
       rm.init(conf);
     } catch (Exception e) {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java

@@ -18,6 +18,7 @@
 
 package org.apache.hadoop.yarn.server.resourcemanager.recovery;
 
+import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.mock;
@@ -224,8 +225,7 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
 
     Configuration conf1 = createHARMConf("rm1,rm2", "rm1", 1234);
     conf1.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, false);
-    ResourceManager rm1 = new ResourceManager();
-    rm1.init(conf1);
+    ResourceManager rm1 = new MockRM(conf1);
     rm1.start();
     rm1.getRMContext().getRMAdminService().transitionToActive(req);
     assertEquals("RM with ZKStore didn't start",
@@ -236,8 +236,7 @@ public class TestZKRMStateStore extends RMStateStoreTestBase {
 
     Configuration conf2 = createHARMConf("rm1,rm2", "rm2", 5678);
     conf2.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, false);
-    ResourceManager rm2 = new ResourceManager();
-    rm2.init(conf2);
+    ResourceManager rm2 = new MockRM(conf2);
     rm2.start();
     rm2.getRMContext().getRMAdminService().transitionToActive(req);
     assertEquals("RM with ZKStore didn't start",

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java

@@ -117,8 +117,7 @@ public class TestFairScheduler extends FairSchedulerTestBase {
   public void setUp() throws IOException {
     scheduler = new FairScheduler();
     conf = createConfiguration();
-    resourceManager = new ResourceManager();
-    resourceManager.init(conf);
+    resourceManager = new MockRM(conf);
 
     // TODO: This test should really be using MockRM. For now starting stuff
     // that is needed at a bare minimum.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerEventLog.java

@@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair;
 import java.io.File;
 import java.io.IOException;
 
+import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
 import org.junit.Assert;
 
 import org.apache.hadoop.conf.Configuration;
@@ -48,8 +49,7 @@ public class TestFairSchedulerEventLog {
 
     // All tests assume only one assignment per node update
     conf.set(FairSchedulerConfiguration.ASSIGN_MULTIPLE, "false");
-    resourceManager = new ResourceManager();
-    resourceManager.init(conf);
+    resourceManager = new MockRM(conf);
     ((AsyncDispatcher)resourceManager.getRMContext().getDispatcher()).start();
     scheduler.init(conf);
     scheduler.start();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java

@@ -116,11 +116,10 @@ public class TestFifoScheduler {
   
   @Before
   public void setUp() throws Exception {
-    resourceManager = new ResourceManager();
     conf = new Configuration();
-    conf.setClass(YarnConfiguration.RM_SCHEDULER, 
+    conf.setClass(YarnConfiguration.RM_SCHEDULER,
         FifoScheduler.class, ResourceScheduler.class);
-    resourceManager.init(conf);
+    resourceManager = new MockRM(conf);
   }
 
   @After