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Fix flaky ProcessTreeTest#processProperlyKilledUnix by using a random sleep duration (#27080)

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Fix flaky ProcessTreeTest#processProperlyKilledUnix

Resolves JENKINS-70781 by using a randomly generated sleep duration instead of a hardcoded 100000. This prevents the test from failing when orphaned sleep processes from previous aborted test runs are present in the host system.
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Piyush Joshi authored and GitHub committed 2026-07-13 04:02:56 -06:00
1 parent 8bac187a58
commit d1f2bafb83
1 file changed
+3 -2
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test/src/test/java/hudson/util/ProcessTreeTest.java
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@@ -88,13 +88,14 @@ class ProcessTreeTest {
FreeStyleProject sleepProject = j.createFreeStyleProject();
FreeStyleProject processJob = j.createFreeStyleProject();
sleepProject.getBuildersList().add(new Shell("nohup sleep 100000 &"));
int sleepTime = 90000 + java.util.concurrent.ThreadLocalRandom.current().nextInt(20000);
sleepProject.getBuildersList().add(new Shell("nohup sleep " + sleepTime + " &"));
j.buildAndAssertSuccess(sleepProject);
processJob.getBuildersList().add(new Shell("ps -ef | grep sleep"));
j.assertLogNotContains("sleep 100000", processJob.scheduleBuild2(0).get());
j.assertLogNotContains("sleep " + sleepTime, processJob.scheduleBuild2(0).get());
}
@Test