tillrohrmann commented on a change in pull request #13644:
URL: https://github.com/apache/flink/pull/13644#discussion_r516786488
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/leaderelection/ZooKeeperLeaderElectionTest.java
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@@ -520,6 +519,47 @@ public void testEphemeralZooKeeperNodes() throws Exception
{
}
}
+ @Test
+ public void testNotLeader() throws Exception {
+
+ final TestingLeaderElectionEventHandler electionEventHandler =
+ new TestingLeaderElectionEventHandler(TEST_LEADER);
+ final TestingLeaderRetrievalEventHandler retrievalEventHandler
= new TestingLeaderRetrievalEventHandler();
+ LeaderElectionDriver leaderElectionDriver = null;
+ LeaderRetrievalDriver leaderRetrievalDriver = null;
+ try {
+
+ leaderElectionDriver =
+
ZooKeeperUtils.createLeaderElectionDriverFactory(client, configuration)
+
.createLeaderElectionDriver(electionEventHandler,
electionEventHandler::handleError, TEST_URL);
+ electionEventHandler.init(leaderElectionDriver);
+
+ electionEventHandler.waitForLeader(timeout);
+
assertThat(electionEventHandler.getConfirmedLeaderInformation(),
is(TEST_LEADER));
+
+ // Leader is revoked
+ ((ZooKeeperLeaderElectionDriver)
leaderElectionDriver).notLeader();
+ electionEventHandler.waitForRevokeLeader(timeout);
+
assertThat(electionEventHandler.getConfirmedLeaderInformation(),
is(LeaderInformation.empty()));
+ // The data on ZooKeeper it not be cleared
Review comment:
Sounds good.
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