soarez commented on code in PR #14903:
URL: https://github.com/apache/kafka/pull/14903#discussion_r1531683014
##########
core/src/test/scala/unit/kafka/server/BrokerLifecycleManagerTest.scala:
##########
@@ -254,33 +261,38 @@ class BrokerLifecycleManagerTest {
@Test
def testKraftJBODMetadataVersionUpdateEvent(): Unit = {
- val context = new RegistrationTestContext(configProperties)
- val manager = new BrokerLifecycleManager(context.config, context.time,
"successful-registration-", isZkBroker = false,
Set(Uuid.fromString("gCpDJgRlS2CBCpxoP2VMsQ")))
+ val ctx = new RegistrationTestContext(configProperties)
+ val manager = new BrokerLifecycleManager(ctx.config, ctx.time,
"jbod-metadata-version-update", isZkBroker = false,
Set(Uuid.fromString("gCpDJgRlS2CBCpxoP2VMsQ")))
val controllerNode = new Node(3000, "localhost", 8021)
- context.controllerNodeProvider.node.set(controllerNode)
- manager.start(() => context.highestMetadataOffset.get(),
- context.mockChannelManager, context.clusterId,
context.advertisedListeners,
+ ctx.controllerNodeProvider.node.set(controllerNode)
+
+ manager.start(() => ctx.highestMetadataOffset.get(),
+ ctx.mockChannelManager, ctx.clusterId, ctx.advertisedListeners,
Collections.emptyMap(), OptionalLong.of(10L))
- TestUtils.retry(60000) {
- assertEquals(1, context.mockChannelManager.unsentQueue.size)
- assertEquals(10L,
context.mockChannelManager.unsentQueue.getFirst.request.build().asInstanceOf[BrokerRegistrationRequest].data().previousBrokerEpoch())
- }
- context.mockClient.prepareResponseFrom(new BrokerRegistrationResponse(
- new BrokerRegistrationResponseData().setBrokerEpoch(1000)),
controllerNode)
- TestUtils.retry(10000) {
- context.poll()
- assertEquals(1000L, manager.brokerEpoch)
- }
+ def doPoll[T<:AbstractRequest](response: AbstractResponse) = poll(ctx,
manager, prepareResponse[T](ctx, response))
+ def nextRequest() = doPoll[AbstractRequest](new
BrokerHeartbeatResponse(new BrokerHeartbeatResponseData()))
+ def nextRegistrationRequest(epoch: Long) =
+ doPoll[BrokerRegistrationRequest](new BrokerRegistrationResponse(new
BrokerRegistrationResponseData().setBrokerEpoch(epoch)))
+
+ // Broker registers and response sets epoch to 1000L
+ assertEquals(10L,
nextRegistrationRequest(1000L).data().previousBrokerEpoch())
+
+ nextRequest() // poll for next request as way to synchronize with the new
value into brokerEpoch
+ assertEquals(1000L, manager.brokerEpoch)
+
+ // Trigger JBOD MV update
manager.handleKraftJBODMetadataVersionUpdate()
- context.mockClient.prepareResponseFrom(new BrokerRegistrationResponse(
- new BrokerRegistrationResponseData().setBrokerEpoch(1200)),
controllerNode)
- TestUtils.retry(60000) {
- context.time.sleep(100)
- context.poll()
- manager.eventQueue.wakeup()
- assertEquals(1200, manager.brokerEpoch)
- }
+
+ // We may have to accept some heartbeats before the new registration is
sent
+ while (nextRequest().isInstanceOf[BrokerHeartbeatRequest])()
Review Comment:
No, I don't think so. `prepareResponse` delegates to `MockClient` which
expects a predetermined request-response order. It supports a `RequestMatcher`
which `prepareResponse` uses to extract the request, but it does not support
preparing a conditional response. We need a larger change to add support in
`MockClient` for conditional prepared responses.
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