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[test] Wait for local leader readiness #4053

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Merged
wuchong merged 1 commit into from
Aug 20, 2026
Merged

[test] Wait for local leader readiness #4053

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15 changes: 14 additions & 1 deletion fluss-server/src/test/java/org/apache/fluss/server/testutils/FlussClusterExtension.java
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Original file line number Diff line number Diff line change
Expand Up @@ -943,8 +943,21 @@ public void waitUntilPartitionsDropped(TablePath tablePath, List<String> dropped
"Fail to wait partitions dropped");
}

/** Wait until the assigned replica is ready as the local leader and return its server id. */
public int waitAndGetLeader(TableBucket tb) {
return waitLeaderAndIsrReady(tb).leader();
ZooKeeperClient zkClient = getZooKeeperClient();
return waitValue(
() -> {
Optional<LeaderAndIsr> leaderAndIsrOpt = zkClient.getLeaderAndIsr(tb);
if (!leaderAndIsrOpt.isPresent()) {
return Optional.empty();
}

int leader = leaderAndIsrOpt.get().leader();
return getReplica(tb, leader, true).map(ignored -> leader);
},
Duration.ofMinutes(1),
"Fail to wait leader replica ready for " + tb);
}

public int waitAndGetStandby(TableBucket tb) {
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