adoroszlai commented on code in PR #5846:
URL: https://github.com/apache/ozone/pull/5846#discussion_r1433683041


##########
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmBlockVersioning.java:
##########
@@ -144,7 +143,7 @@ public void testAllocateCommit() throws Exception {
     List<OmKeyLocationInfo> locationInfoList =
         openKey.getKeyInfo().getLatestVersionLocations()
             .getBlocksLatestVersionOnly();
-    assertTrue(locationInfoList.size() == 1);
+    assertEquals(locationInfoList.size(), 1);

Review Comment:
   ```suggestion
       assertEquals(1, locationInfoList.size());
   ```



##########
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/fs/ozone/TestOzoneFileInterfaces.java:
##########
@@ -259,12 +261,9 @@ public void testOzFsReadWrite() throws IOException {
         o3fs.pathToKey(path));
 
     // verify prefix directories and the file, do not already exist
-    assertTrue(
-        metadataManager.getKeyTable(getBucketLayout()).get(lev1key) == null);
-    assertTrue(
-        metadataManager.getKeyTable(getBucketLayout()).get(lev2key) == null);
-    assertTrue(
-        metadataManager.getKeyTable(getBucketLayout()).get(fileKey) == null);
+    assertNull(metadataManager.getKeyTable(getBucketLayout()).get(lev1key));
+    assertNull(metadataManager.getKeyTable(getBucketLayout()).get(lev2key));
+    assertNull(metadataManager.getKeyTable(getBucketLayout()).get(fileKey));

Review Comment:
   Note that `TestOzoneFileInterfaces` is being migrated to JUnit5 in #5838.  
The same changes are done in that PR, too.  Please remove 
`TestOzoneFileInterfaces` from the patch to avoid conflicts.



##########
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestLeaderChoosePolicy.java:
##########
@@ -94,9 +94,9 @@ private void checkLeaderBalance(int dnNum, int 
leaderNumOfEachDn)
       leaderCount.put(leader, leaderCount.get(leader) + 1);
     }
 
-    assertTrue(leaderCount.size() == dnNum);
+    assertEquals(leaderCount.size(), dnNum);

Review Comment:
   Let's also flip the arguments to match `expected, actual` order:
   
   ```suggestion
       assertEquals(dnNum, leaderCount.size());
   ```



##########
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/client/rpc/TestOzoneRpcClientAbstract.java:
##########
@@ -3796,7 +3796,7 @@ private void doMultipartUpload(OzoneBucket bucket, String 
keyName, byte val,
     assertTrue(latestVersionLocations.isMultipartKey());
     latestVersionLocations.getBlocksLatestVersionOnly()
         .forEach(omKeyLocationInfo ->
-            assertTrue(omKeyLocationInfo.getPartNumber() != -1));
+            assertNotEquals(omKeyLocationInfo.getPartNumber(), -1));

Review Comment:
   ```suggestion
               assertNotEquals(-1, omKeyLocationInfo.getPartNumber()));
   ```



##########
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/scm/pipeline/TestLeaderChoosePolicy.java:
##########
@@ -94,9 +94,9 @@ private void checkLeaderBalance(int dnNum, int 
leaderNumOfEachDn)
       leaderCount.put(leader, leaderCount.get(leader) + 1);
     }
 
-    assertTrue(leaderCount.size() == dnNum);
+    assertEquals(leaderCount.size(), dnNum);
     for (Map.Entry<UUID, Integer> entry: leaderCount.entrySet()) {
-      assertTrue(leaderCount.get(entry.getKey()) == leaderNumOfEachDn);
+      assertEquals(leaderCount.get(entry.getKey()), leaderNumOfEachDn);

Review Comment:
   ```suggestion
         assertEquals(leaderNumOfEachDn, leaderCount.get(entry.getKey()));
   ```



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