cmccabe commented on a change in pull request #10753:
URL: https://github.com/apache/kafka/pull/10753#discussion_r669944074
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File path: core/src/test/scala/integration/kafka/server/RaftClusterTest.scala
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@@ -422,4 +351,75 @@ class RaftClusterTest {
listenerName = listenerName
)
+ @Test
+ def testCreateClusterAndPerformReassignment(): Unit = {
+ val cluster = new KafkaClusterTestKit.Builder(
+ new TestKitNodes.Builder().
+ setNumBrokerNodes(4).
+ setNumControllerNodes(3).build()).build()
+ try {
+ cluster.format()
+ cluster.startup()
+ cluster.waitForReadyBrokers()
+ val admin = Admin.create(cluster.clientProperties())
+ try {
+ // Create the topic.
+ val assignments = new util.HashMap[Integer, util.List[Integer]]
+ assignments.put(0, Arrays.asList(0, 1, 2))
+ assignments.put(1, Arrays.asList(1, 2, 3))
+ assignments.put(2, Arrays.asList(2, 3, 0))
+ val createTopicResult = admin.createTopics(Collections.singletonList(
+ new NewTopic("foo", assignments)))
+ createTopicResult.all().get()
+ waitForTopicListing(admin, Seq("foo"), Seq())
+
+ // Start some reassignments.
+ assertEquals(Collections.emptyMap(),
admin.listPartitionReassignments().reassignments().get())
+ val reassignments = new util.HashMap[TopicPartition,
Optional[NewPartitionReassignment]]
+ reassignments.put(new TopicPartition("foo", 0),
+ Optional.of(new NewPartitionReassignment(Arrays.asList(2, 1, 0))))
+ reassignments.put(new TopicPartition("foo", 1),
+ Optional.of(new NewPartitionReassignment(Arrays.asList(0, 1, 2))))
Review comment:
Good idea
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