YARN-9354. Resources should be created with ResourceTypesTestHelper instead of TestUtils. Contributed by Andras Gyori
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/resourcetypes/ResourceTypesTestHelper.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/resourcetypes/ResourceTypesTestHelper.java
index 3c3c2cc..198b395 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/resourcetypes/ResourceTypesTestHelper.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/resourcetypes/ResourceTypesTestHelper.java
@@ -57,14 +57,15 @@
     Resource resource = RECORD_FACTORY.newRecordInstance(Resource.class);
     resource.setMemorySize(memory);
     resource.setVirtualCores(vCores);
-
-    for (Map.Entry<String, String> customResource :
-            customResources.entrySet()) {
-      String resourceName = customResource.getKey();
-      ResourceInformation resourceInformation =
-              createResourceInformation(resourceName,
-                      customResource.getValue());
-      resource.setResourceInformation(resourceName, resourceInformation);
+    if (customResources != null) {
+      for (Map.Entry<String, String> customResource :
+          customResources.entrySet()) {
+        String resourceName = customResource.getKey();
+        ResourceInformation resourceInformation =
+            createResourceInformation(resourceName,
+                customResource.getValue());
+        resource.setResourceInformation(resourceName, resourceInformation);
+      }
     }
     return resource;
   }
@@ -107,7 +108,12 @@
   public static Map<String, String> extractCustomResourcesAsStrings(
       Resource res) {
     Map<String, Long> resValues = extractCustomResources(res);
-    return resValues.entrySet().stream()
+    return convertCustomResources(resValues);
+  }
+
+  public static Map<String, String> convertCustomResources(
+      Map<String, ? extends Number> customResources) {
+    return customResources.entrySet().stream()
         .collect(Collectors.toMap(
             Map.Entry::getKey, e -> String.valueOf(e.getValue())));
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterServiceTestBase.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterServiceTestBase.java
index f13ae4a..cf14118 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterServiceTestBase.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterServiceTestBase.java
@@ -20,6 +20,7 @@
 import org.apache.hadoop.yarn.event.Dispatcher;
 import org.apache.hadoop.yarn.event.DrainDispatcher;
 import org.apache.hadoop.yarn.event.Event;
+import org.apache.hadoop.yarn.resourcetypes.ResourceTypesTestHelper;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEventType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -46,7 +47,6 @@
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestUtils;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
@@ -112,8 +112,11 @@
 
   private void requestResources(MockAM am, long memory, int vCores,
       Map<String, Integer> customResources) throws Exception {
+    Map<String, String> convertedCustomResources =
+        ResourceTypesTestHelper.convertCustomResources(customResources);
     am.allocate(Collections.singletonList(ResourceRequest.newBuilder()
-        .capability(TestUtils.createResource(memory, vCores, customResources))
+        .capability(ResourceTypesTestHelper.newResource(
+            memory, vCores, convertedCustomResources))
         .numContainers(1)
         .resourceName("*")
         .build()), null);
@@ -551,9 +554,11 @@
     MockRM rm = new MockRM(yarnConf);
     rm.start();
 
-    MockNM nm1 = rm.registerNode("199.99.99.1:" + DEFAULT_PORT, TestUtils
-        .createResource(DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
-            DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES, null));
+    MockNM nm1 = rm.registerNode("199.99.99.1:" + DEFAULT_PORT,
+        ResourceTypesTestHelper.newResource(
+            DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+            DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
+            null));
 
     MockRMAppSubmissionData data =
         MockRMAppSubmissionData.Builder.createWithMemory(GB, rm)
@@ -615,10 +620,11 @@
     MockRM rm = new MockRM(yarnConf);
     rm.start();
 
-    MockNM nm1 = rm.registerNode("199.99.99.1:" + DEFAULT_PORT, TestUtils
-        .createResource(DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
+    MockNM nm1 = rm.registerNode("199.99.99.1:" + DEFAULT_PORT,
+        ResourceTypesTestHelper.newResource(
+            DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
             DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES,
-            ImmutableMap.of(CUSTOM_RES, 4)));
+            ImmutableMap.of(CUSTOM_RES, "4")));
 
     MockRMAppSubmissionData data =
         MockRMAppSubmissionData.Builder.createWithMemory(GB, rm)
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerWithMultiResourceTypes.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerWithMultiResourceTypes.java
index 4760692..62b43e8 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerWithMultiResourceTypes.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerWithMultiResourceTypes.java
@@ -30,6 +30,7 @@
 import org.apache.hadoop.yarn.api.records.ResourceRequest;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
+import org.apache.hadoop.yarn.resourcetypes.ResourceTypesTestHelper;
 import org.apache.hadoop.yarn.server.resourcemanager.MockAM;
 import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
 import org.apache.hadoop.yarn.server.resourcemanager.MockNodes;
@@ -298,16 +299,16 @@
     MockRM rm = new MockRM(conf);
     rm.start();
 
-    Map<String, Integer> nameToValues = new HashMap<>();
-    nameToValues.put(ResourceInformation.GPU_URI, 4);
+    Map<String, String> nameToValues = new HashMap<>();
+    nameToValues.put(ResourceInformation.GPU_URI, "4");
     // Register NM1 with 10GB memory, 4 CPU and 4 GPU
     MockNM nm1 = rm.registerNode("127.0.0.1:1234",
-        TestUtils.createResource(10 * GB, 4, nameToValues));
+        ResourceTypesTestHelper.newResource(10 * GB, 4, nameToValues));
 
     nameToValues.clear();
     // Register NM2 with 10GB memory, 4 CPU and 0 GPU
     rm.registerNode("127.0.0.1:1235",
-        TestUtils.createResource(10 * GB, 4, nameToValues));
+        ResourceTypesTestHelper.newResource(10 * GB, 4, nameToValues));
 
     RMApp app1 = MockRMAppSubmitter.submit(rm,
         MockRMAppSubmissionData.Builder.createWithMemory(1024, rm)
@@ -330,9 +331,9 @@
     Assert.assertEquals(4, report_nm1.getAvailableResource()
         .getResourceInformation(ResourceInformation.GPU_URI).getValue());
 
-    nameToValues.put(ResourceInformation.GPU_URI, 4);
+    nameToValues.put(ResourceInformation.GPU_URI, "4");
     Resource containerGpuResource =
-        TestUtils.createResource(1 * GB, 1, nameToValues);
+        ResourceTypesTestHelper.newResource(1 * GB, 1, nameToValues);
 
     // Allocate one container which takes all 4 GPU
     am1.allocate(
@@ -355,7 +356,7 @@
 
     nameToValues.clear();
     Resource containerResource =
-        TestUtils.createResource(1 * GB, 1, nameToValues);
+        ResourceTypesTestHelper.newResource(1 * GB, 1, nameToValues);
     // Allocate one more container which doesnt need GPU
     am1.allocate(
         Collections.singletonList(ResourceRequest.newInstance(
@@ -479,8 +480,8 @@
     for (int i = 0; i < 8; i++) {
       fiCaApp1.updateResourceRequests(Collections.singletonList(
           ResourceRequest.newBuilder()
-          .capability(TestUtils.createResource(1 * GB, 1,
-              ImmutableMap.of("res_1", 10)))
+          .capability(ResourceTypesTestHelper.newResource(1 * GB, 1,
+              ImmutableMap.of("res_1", "10")))
           .numContainers(1)
           .resourceName("*")
           .build()));
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java
index 15030a7..44b4451 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java
@@ -467,23 +467,4 @@
     cs.submitResourceCommitRequest(clusterResource,
         csAssignment);
   }
-
-  /**
-   * An easy way to create resources other than memory and vcores for tests.
-   * @param memory memory
-   * @param vcores vcores
-   * @param nameToValues resource types other than memory and vcores.
-   * @return created resource
-   */
-  public static Resource createResource(long memory, int vcores,
-      Map<String, Integer> nameToValues) {
-    Resource res = Resource.newInstance(memory, vcores);
-    if (nameToValues != null) {
-      for (Map.Entry<String, Integer> entry : nameToValues.entrySet()) {
-        res.setResourceInformation(entry.getKey(), ResourceInformation
-            .newInstance(entry.getKey(), "", entry.getValue()));
-      }
-    }
-    return res;
-  }
 }