sodonnel commented on code in PR #3550:
URL: https://github.com/apache/ozone/pull/3550#discussion_r907261873
##########
hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/ec/reconstruction/TestECReconstructionSupervisor.java:
##########
@@ -17,37 +17,57 @@
*/
package org.apache.hadoop.ozone.container.ec.reconstruction;
+import com.google.common.collect.ImmutableList;
+import org.apache.hadoop.hdds.client.ECReplicationConfig;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.hdds.protocol.DatanodeDetails;
import org.apache.ozone.test.GenericTestUtils;
+import org.junit.Assert;
import org.junit.Test;
+import java.io.IOException;
+import java.util.SortedMap;
import java.util.concurrent.TimeoutException;
/**
* Tests the ECReconstructionSupervisor.
*/
public class TestECReconstructionSupervisor {
- private final ECReconstructionSupervisor supervisor =
- new ECReconstructionSupervisor(null, null, 5, null);
-
@Test
public void testAddTaskShouldExecuteTheGivenTask()
- throws InterruptedException, TimeoutException {
- FakeTask task = new FakeTask(null);
- supervisor.addTask(task);
- GenericTestUtils.waitFor(() -> task.isExecuted, 100, 15000);
- }
-
- static class FakeTask extends ECReconstructionCoordinatorTask {
- private boolean isExecuted = false;
-
- FakeTask(ECReconstructionCommandInfo reconstructionCommandInfo) {
- super(null, reconstructionCommandInfo);
- }
-
- @Override
- public void run() {
- isExecuted = true;
- }
+ throws InterruptedException, TimeoutException, IOException {
+ final boolean[] reconstructInvoked = {false};
Review Comment:
Why are these arrays? I guess its because a Boolean is immutable and we
cannot change it if its a final, and the variable has to be final to be use in
the run block.
I think it would be more clear to use a pair of CountDownLatch objects here.
Then we can get rid of most of the waitFor() calls, eg
```
CountDownLatch runnableInvoked = new CountDownLatch(1);
CountDownLatch holdProcessing = new CountDownLatch(1);
// Inside the reconstructECContainerGroup
...
runnableInvoked.countDown();
holdProcessing.await();
...
// In the main test method:
supervisor.addTask(
new ECReconstructionCommandInfo(1, new ECReplicationConfig(3, 2),
new byte[0], ImmutableList.of(), ImmutableList.of()));
runnableInvoked.await()
Assert.assertEquals(1, supervisor.getInFlightReplications());
holdProcessing.countDown();
GenericTestUtils
.waitFor(() -> supervisor.getInFlightReplications() == 0, 100,
15000);
```
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