adoroszlai commented on code in PR #5516:
URL: https://github.com/apache/ozone/pull/5516#discussion_r1382402670


##########
hadoop-hdds/server-scm/pom.xml:
##########
@@ -165,6 +165,11 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd";>
       <artifactId>junit-jupiter-params</artifactId>
       <scope>test</scope>
     </dependency>
+      <dependency>
+          <groupId>org.apache.ozone</groupId>
+          <artifactId>hdds-test-utils</artifactId>
+          <scope>compile</scope>

Review Comment:
   `hdds-test-utils` is for tests, should not be added in `compile` scope.
   
   This seems to be unnecessary, compiles fine without this.



##########
hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/node/TestSCMNodeManager.java:
##########
@@ -154,6 +160,10 @@ public class TestSCMNodeManager {
   private static final LayoutVersionProto CORRECT_LAYOUT_PROTO =
       toLayoutVersionProto(MAX_LV, MAX_LV);
 
+//  public TestSCMNodeManager() {
+//    this.clock = Clock.system(ZoneId.systemDefault());

Review Comment:
   It would be good to create as instance variable instead of in each test 
method.  But should use `TestClock`, not `Clock.system()`.



##########
hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/container/MockNodeManager.java:
##########
@@ -275,12 +278,15 @@ public List<DatanodeDetails> getNodes(NodeStatus status) {
   @Override
   public List<DatanodeDetails> getNodes(
       HddsProtos.NodeOperationalState opState, HddsProtos.NodeState nodestate) 
{
+    Instant initialInstant = Instant.now();
+    ZoneId zoneId = ZoneId.systemDefault();
+    TestClock testClock = new TestClock(initialInstant, zoneId);

Review Comment:
   It would be nice to avoid duplicating these.  Can you please try using 
`TestClock.newInstance()`?



##########
hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/node/TestSCMNodeManager.java:
##########
@@ -136,6 +140,8 @@ public class TestSCMNodeManager {
   private static final Logger LOG =
       LoggerFactory.getLogger(TestSCMNodeManager.class);
 
+//  @Mock
+//  private final Clock clock;

Review Comment:
   Please remove dead code.



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