tisonkun commented on code in PR #430:
URL: https://github.com/apache/curator/pull/430#discussion_r970543869
##########
curator-recipes/src/test/java/org/apache/curator/framework/recipes/leader/TestLeaderLatch.java:
##########
@@ -218,6 +218,56 @@ public void testWatchedNodeDeletedOnReconnect() throws
Exception
}
}
+ @Test
+ public void
testLeadershipElectionWhenNodeDisappearsAfterChildrenAreRetrieved() throws
Exception
+ {
+ final String latchPath = "/foo/bar";
+ final Timing2 timing = new Timing2();
+ try (CuratorFramework client =
CuratorFrameworkFactory.newClient(server.getConnectString(), timing.session(),
timing.connection(), new RetryOneTime(1)))
+ {
+ client.start();
+ LeaderLatch latchInitialLeader = new LeaderLatch(client,
latchPath, "initial-leader");
+ LeaderLatch latchCandidate0 = new LeaderLatch(client, latchPath,
"candidate-0");
+ LeaderLatch latchCandidate1 = new LeaderLatch(client, latchPath,
"candidate-1");
+
+ try
+ {
+ latchInitialLeader.start();
+
+ // we want to make sure that the leader gets leadership before
other instances joining the party
+ waitForALeader(Collections.singletonList(latchInitialLeader),
new Timing());
+
+ // candidate #0 will wait for the leader to go away - this
should happen after the child nodes are retrieved by candidate #0
+ latchCandidate0.debugCheckLeaderShipLatch = new
CountDownLatch(1);
+
+ latchCandidate0.start();
+ timing.sleepABit();
Review Comment:
@XComp sounds interesting. You can directly make a PR against this patch
branch and I'll review it. Sorry that I may not have too much time recently to
cooperate on this patch :)
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