kirktrue commented on code in PR #14640:
URL: https://github.com/apache/kafka/pull/14640#discussion_r1421255375
##########
clients/src/test/java/org/apache/kafka/clients/consumer/internals/MembershipManagerImplTest.java:
##########
@@ -790,6 +812,197 @@ public void
testOnSubscriptionUpdatedTransitionsToJoiningOnlyIfNotInGroup() {
verify(membershipManager, never()).transitionToJoining();
}
+ @Test
+ public void testListenerCallbacksBasic() {
+ // Step 1: set up mocks
+ MembershipManagerImpl membershipManager = createMemberInStableState();
+ mockOwnedPartition("topic1", 0);
+ CounterConsumerRebalanceListener listener = new
CounterConsumerRebalanceListener();
+ ConsumerRebalanceListenerInvoker invoker =
consumerRebalanceListenerInvoker();
+
+
when(subscriptionState.rebalanceListener()).thenReturn(Optional.of(listener));
+ doNothing().when(subscriptionState).markPendingRevocation(anySet());
+
+ // Step 2: put the state machine into the appropriate... state
+ receiveEmptyAssignment(membershipManager);
+ assertEquals(MemberState.RECONCILING, membershipManager.state());
+ assertEquals(Collections.emptySet(),
membershipManager.currentAssignment());
+ assertTrue(membershipManager.reconciliationInProgress());
+ listener.assertCounts(0, 0, 0);
+
+ // Step 2: revoke partitions
+ performCallback(
+ membershipManager,
+ invoker,
+ ConsumerRebalanceListenerMethodName.ON_PARTITIONS_REVOKED,
+ topicPartitions(new TopicPartition("topic1", 0))
+ );
+
+ // Step 3: assign partitions
+ performCallback(
+ membershipManager,
+ invoker,
+ ConsumerRebalanceListenerMethodName.ON_PARTITIONS_ASSIGNED,
+ Collections.emptySortedSet()
+ );
+
+ // Step 4: Receive ack and make sure we're done and our listener was
called appropriately
+ membershipManager.onHeartbeatRequestSent();
+ assertEquals(MemberState.STABLE, membershipManager.state());
+
+ listener.assertCounts(1, 1, 0);
+ }
+
+ @Test
+ public void testListenerCallbacksNoListeners() {
+ // Step 1: set up mocks
+ MembershipManagerImpl membershipManager = createMemberInStableState();
+ mockOwnedPartition("topic1", 0);
+ CounterConsumerRebalanceListener listener = new
CounterConsumerRebalanceListener();
Review Comment:
I've removed the test method entirely because it has no reason for existing
anymore 😄
##########
clients/src/test/java/org/apache/kafka/clients/consumer/internals/MembershipManagerImplTest.java:
##########
@@ -790,6 +812,197 @@ public void
testOnSubscriptionUpdatedTransitionsToJoiningOnlyIfNotInGroup() {
verify(membershipManager, never()).transitionToJoining();
}
+ @Test
+ public void testListenerCallbacksBasic() {
+ // Step 1: set up mocks
+ MembershipManagerImpl membershipManager = createMemberInStableState();
+ mockOwnedPartition("topic1", 0);
+ CounterConsumerRebalanceListener listener = new
CounterConsumerRebalanceListener();
+ ConsumerRebalanceListenerInvoker invoker =
consumerRebalanceListenerInvoker();
+
+
when(subscriptionState.rebalanceListener()).thenReturn(Optional.of(listener));
+ doNothing().when(subscriptionState).markPendingRevocation(anySet());
+
+ // Step 2: put the state machine into the appropriate... state
+ receiveEmptyAssignment(membershipManager);
+ assertEquals(MemberState.RECONCILING, membershipManager.state());
+ assertEquals(Collections.emptySet(),
membershipManager.currentAssignment());
+ assertTrue(membershipManager.reconciliationInProgress());
+ listener.assertCounts(0, 0, 0);
+
+ // Step 2: revoke partitions
+ performCallback(
+ membershipManager,
+ invoker,
+ ConsumerRebalanceListenerMethodName.ON_PARTITIONS_REVOKED,
+ topicPartitions(new TopicPartition("topic1", 0))
+ );
+
+ // Step 3: assign partitions
+ performCallback(
+ membershipManager,
+ invoker,
+ ConsumerRebalanceListenerMethodName.ON_PARTITIONS_ASSIGNED,
+ Collections.emptySortedSet()
+ );
+
+ // Step 4: Receive ack and make sure we're done and our listener was
called appropriately
+ membershipManager.onHeartbeatRequestSent();
+ assertEquals(MemberState.STABLE, membershipManager.state());
+
+ listener.assertCounts(1, 1, 0);
+ }
+
+ @Test
+ public void testListenerCallbacksNoListeners() {
+ // Step 1: set up mocks
+ MembershipManagerImpl membershipManager = createMemberInStableState();
+ mockOwnedPartition("topic1", 0);
+ CounterConsumerRebalanceListener listener = new
CounterConsumerRebalanceListener();
Review Comment:
I've removed the test method entirely because it has no reason for existing
anymore 😄
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