wenbingshen commented on a change in pull request #10558:
URL: https://github.com/apache/kafka/pull/10558#discussion_r615967262
##########
File path: core/src/test/scala/unit/kafka/admin/LeaderElectionCommandTest.scala
##########
@@ -273,6 +273,48 @@ final class LeaderElectionCommandTest extends
ZooKeeperTestHarness {
))
assertTrue(e.getCause.isInstanceOf[TimeoutException])
}
+
+ @Test
+ def testElectionResultOutput(): Unit = {
+ TestUtils.resource(Admin.create(createConfig(servers).asJava)) { client =>
+ val topic = "non-preferred-topic"
+ val partition0 = 0
+ val partition1 = 1
+ val assignment0 = Seq(broker2, broker3)
+ val assignment1 = Seq(broker3, broker2)
+
+ TestUtils.createTopic(zkClient, topic, Map(partition0 -> assignment0,
partition1 -> assignment1), servers)
+
+ val topicPartition0 = new TopicPartition(topic, partition0)
+ val topicPartition1 = new TopicPartition(topic, partition1)
+
+ TestUtils.assertLeader(client, topicPartition0, broker2)
+ TestUtils.assertLeader(client, topicPartition1, broker3)
+
+ servers(broker2).shutdown()
+ TestUtils.assertLeader(client, topicPartition0, broker3)
+ servers(broker2).startup()
+ TestUtils.waitForBrokersInIsr(client, topicPartition0, Set(broker2))
+ TestUtils.waitForBrokersInIsr(client, topicPartition1, Set(broker2))
+
+ val topicPartitionPath = tempTopicPartitionFile(Set(topicPartition0,
topicPartition1))
+ val output = TestUtils.grabConsoleOutput(
+ LeaderElectionCommand.main(
+ Array(
+ "--bootstrap-server", bootstrapServers(servers),
+ "--election-type", "preferred",
+ "--path-to-json-file", topicPartitionPath.toString
+ )
+ )
+ )
+
+ val electionResultOutputIter = output.split("\n").iterator
+ assertTrue(electionResultOutputIter.hasNext)
+ assertTrue(electionResultOutputIter.next().contains(s"Successfully
completed leader election (PREFERRED) for partitions $topicPartition0"))
+ assertTrue(electionResultOutputIter.hasNext)
+ assertTrue(electionResultOutputIter.next().contains(s"Valid replica
already elected for partitions $topicPartition1"))
Review comment:
Dear @dajac Following your suggestion, I added a unit test to verify the
output of noop set and succeeded set. Are you satisfied with this? :)
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