dosubot[bot] commented on issue #2648:
URL:
https://github.com/apache/incubator-hugegraph/issues/2648#issuecomment-2306021253
<!-- Answer -->
To address the unit test failure in `testGremlinJobAndCancel` when using
PostgreSQL as the backend in HugeServer, you can increase the sleep duration to
allow more time for the task status to transition from `SCHEDULING` to
`RUNNING`. This adjustment helps accommodate the longer time PostgreSQL may
take for this transition.
Here's the modified part of the `testGremlinJobAndCancel` method with an
increased sleep duration:
```java
@Test
public void testGremlinJobAndCancel() throws TimeoutException {
HugeGraph graph = graph();
TaskScheduler scheduler = graph.taskScheduler();
HugeTask<Object> task = runGremlinJob("Thread.sleep(1000 * 10);");
// Increase sleep duration to 1000 ms
sleepAWhile(1000);
task = scheduler.task(task.id());
scheduler.cancel(task);
task = scheduler.task(task.id());
Assert.assertEquals(TaskStatus.CANCELLING, task.status());
task = scheduler.waitUntilTaskCompleted(task.id(), 10);
Assert.assertEquals(TaskStatus.CANCELLED, task.status());
Assert.assertEquals("test-gremlin-job", task.name());
Assert.assertTrue(task.result(), task.result() == null ||
task.result().endsWith("InterruptedException"));
// Cancel success task
HugeTask<Object> task2 = runGremlinJob("1+2");
task2 = scheduler.waitUntilTaskCompleted(task2.id(), 10);
Assert.assertEquals(TaskStatus.SUCCESS, task2.status());
scheduler.cancel(task2);
task2 = scheduler.task(task2.id());
Assert.assertEquals(TaskStatus.SUCCESS, task2.status());
Assert.assertEquals("3", task2.result());
}
```
This change should help mitigate the timing issue observed with PostgreSQL,
allowing the test to pass successfully
<sup>[[1]](https://github.com/apache/incubator-hugegraph/blob/master/hugegraph-server/hugegraph-test/src/main/java/org/apache/hugegraph/core/TaskCoreTest.java)</sup>.
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