slfan1989 commented on code in PR #4540:
URL: https://github.com/apache/hadoop/pull/4540#discussion_r920744972


##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/test/java/org/apache/hadoop/yarn/server/router/clientrm/TestRouterYarnClientUtils.java:
##########
@@ -539,4 +532,73 @@ public void testMergeResourceTypes() {
     Assert.assertTrue(CollectionUtils.isEqualCollection(expectedResponse,
         response.getResourceTypeInfo()));
   }
+
+  @Test
+  public void testMergeResourceProfiles() {
+    // normal response1
+    Map<String, Resource> profiles = new HashMap<>();
+    Resource resource1 = Resource.newInstance(1024, 1);
+    GetAllResourceProfilesResponse response1 = 
GetAllResourceProfilesResponse.newInstance();
+    profiles.put("maximum", resource1);
+    response1.setResourceProfiles(profiles);
+
+    // normal response2
+    profiles = new HashMap<>();
+    Resource resource2 = Resource.newInstance(2048, 2);
+    GetAllResourceProfilesResponse response2 = 
GetAllResourceProfilesResponse.newInstance();
+    profiles.put("maximum", resource2);
+    response2.setResourceProfiles(profiles);
+
+    // empty response
+    GetAllResourceProfilesResponse response3 = 
GetAllResourceProfilesResponse.newInstance();
+
+    // null response
+    GetAllResourceProfilesResponse response4 = null;
+
+    List<GetAllResourceProfilesResponse> responses = new ArrayList<>();
+    responses.add(response1);
+    responses.add(response2);
+    responses.add(response3);
+    responses.add(response4);
+
+    GetAllResourceProfilesResponse response =
+        RouterYarnClientUtils.mergeClusterResourceProfilesResponse(responses);
+    Resource resource = response.getResourceProfiles().get("maximum");
+    Assert.assertEquals(resource.getVirtualCores(), 3);
+    Assert.assertEquals(resource.getMemorySize(), 3072);
+  }
+
+  @Test
+  public void testMergeResourceProfile() {
+    // normal response1
+    Resource resource1 = Resource.newInstance(1024, 1);
+    GetResourceProfileResponse response1 =
+        Records.newRecord(GetResourceProfileResponse.class);
+    response1.setResource(resource1);
+
+    // normal response2
+    Resource resource2 = Resource.newInstance(2048, 2);
+    GetResourceProfileResponse response2 =
+        Records.newRecord(GetResourceProfileResponse.class);
+    response2.setResource(resource2);
+
+    // empty response
+    GetResourceProfileResponse response3 =
+        Records.newRecord(GetResourceProfileResponse.class);
+
+    // null response
+    GetResourceProfileResponse response4 = null;
+
+    List<GetResourceProfileResponse> responses = new ArrayList<>();
+    responses.add(response1);
+    responses.add(response2);
+    responses.add(response3);
+    responses.add(response4);
+
+    GetResourceProfileResponse response =
+        RouterYarnClientUtils.mergeClusterResourceProfileResponse(responses);
+    Resource resource = response.getResource();
+    Assert.assertEquals(resource.getVirtualCores(), 3);

Review Comment:
   Thanks for the suggestion, I will fix it.



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