Examples with LeaveGroupResponse org.apache.kafka.common.requests.LeaveGroupResponse used on opensource projects

Example 1 with LeaveGroupResponse

use of org.apache.kafka.common.requests.LeaveGroupResponse in project kafka by apache.

the class ConsumerCoordinatorTest method testMaybeLeaveGroup.

@Test
public void testMaybeLeaveGroup() {
    final String consumerId = "consumer";
    subscriptions.subscribe(singleton(topic1), rebalanceListener);
    client.prepareResponse(groupCoordinatorResponse(node, Errors.NONE));
    coordinator.ensureCoordinatorReady();
    client.prepareResponse(joinGroupFollowerResponse(1, consumerId, "leader", Errors.NONE));
    client.prepareResponse(syncGroupResponse(singletonList(t1p), Errors.NONE));
    coordinator.joinGroupIfNeeded();
    final AtomicBoolean received = new AtomicBoolean(false);
    client.prepareResponse(new MockClient.RequestMatcher() {

        @Override
        public boolean matches(AbstractRequest body) {
            received.set(true);
            LeaveGroupRequest leaveRequest = (LeaveGroupRequest) body;
            return leaveRequest.memberId().equals(consumerId) && leaveRequest.groupId().equals(groupId);
        }
    }, new LeaveGroupResponse(Errors.NONE));
    coordinator.maybeLeaveGroup();
    assertTrue(received.get());
    AbstractCoordinator.Generation generation = coordinator.generation();
    assertNull(generation);
}

Example 2 with LeaveGroupResponse

use of org.apache.kafka.common.requests.LeaveGroupResponse in project kafka by apache.

the class ConsumerCoordinatorTest method testLeaveGroupOnClose.

@Test
public void testLeaveGroupOnClose() {
    final String consumerId = "consumer";
    subscriptions.subscribe(singleton(topic1), rebalanceListener);
    client.prepareResponse(groupCoordinatorResponse(node, Errors.NONE));
    coordinator.ensureCoordinatorReady();
    client.prepareResponse(joinGroupFollowerResponse(1, consumerId, "leader", Errors.NONE));
    client.prepareResponse(syncGroupResponse(singletonList(t1p), Errors.NONE));
    coordinator.joinGroupIfNeeded();
    final AtomicBoolean received = new AtomicBoolean(false);
    client.prepareResponse(new MockClient.RequestMatcher() {

        @Override
        public boolean matches(AbstractRequest body) {
            received.set(true);
            LeaveGroupRequest leaveRequest = (LeaveGroupRequest) body;
            return leaveRequest.memberId().equals(consumerId) && leaveRequest.groupId().equals(groupId);
        }
    }, new LeaveGroupResponse(Errors.NONE));
    coordinator.close(0);
    assertTrue(received.get());
}

Example 3 with LeaveGroupResponse

use of org.apache.kafka.common.requests.LeaveGroupResponse in project kafka by apache.

the class KafkaConsumerTest method testGracefulClose.

@Test
public void testGracefulClose() throws Exception {
    Map<TopicPartition, Errors> response = new HashMap<>();
    response.put(tp0, Errors.NONE);
    OffsetCommitResponse commitResponse = offsetCommitResponse(response);
    LeaveGroupResponse leaveGroupResponse = new LeaveGroupResponse(Errors.NONE);
    consumerCloseTest(5000, Arrays.asList(commitResponse, leaveGroupResponse), 0, false);
}

Example 4 with LeaveGroupResponse

use of org.apache.kafka.common.requests.LeaveGroupResponse in project kafka by apache.

the class ConsumerCoordinatorTest method testCommitAfterLeaveGroup.

@Test
public void testCommitAfterLeaveGroup() {
    // enable auto-assignment
    subscriptions.subscribe(singleton(topic1), rebalanceListener);
    client.prepareResponse(groupCoordinatorResponse(node, Errors.NONE));
    coordinator.ensureCoordinatorReady();
    client.prepareResponse(joinGroupFollowerResponse(1, "consumer", "leader", Errors.NONE));
    client.prepareResponse(syncGroupResponse(singletonList(t1p), Errors.NONE));
    client.prepareMetadataUpdate(cluster, Collections.<String>emptySet());
    coordinator.joinGroupIfNeeded();
    // now switch to manual assignment
    client.prepareResponse(new LeaveGroupResponse(Errors.NONE));
    subscriptions.unsubscribe();
    coordinator.maybeLeaveGroup();
    subscriptions.assignFromUser(singleton(t1p));
    // the client should not reuse generation/memberId from auto-subscribed generation
    client.prepareResponse(new MockClient.RequestMatcher() {

        @Override
        public boolean matches(AbstractRequest body) {
            OffsetCommitRequest commitRequest = (OffsetCommitRequest) body;
            return commitRequest.memberId().equals(OffsetCommitRequest.DEFAULT_MEMBER_ID) && commitRequest.generationId() == OffsetCommitRequest.DEFAULT_GENERATION_ID;
        }
    }, offsetCommitResponse(Collections.singletonMap(t1p, Errors.NONE)));
    AtomicBoolean success = new AtomicBoolean(false);
    coordinator.commitOffsetsAsync(Collections.singletonMap(t1p, new OffsetAndMetadata(100L)), callback(success));
    coordinator.invokeCompletedOffsetCommitCallbacks();
    assertTrue(success.get());
}

Example 5 with LeaveGroupResponse

use of org.apache.kafka.common.requests.LeaveGroupResponse in project kafka by apache.

the class ConsumerCoordinatorTest method gracefulCloseTest.

private void gracefulCloseTest(ConsumerCoordinator coordinator, boolean dynamicAssignment) throws Exception {
    final AtomicBoolean commitRequested = new AtomicBoolean();
    final AtomicBoolean leaveGroupRequested = new AtomicBoolean();
    client.prepareResponse(new MockClient.RequestMatcher() {

        @Override
        public boolean matches(AbstractRequest body) {
            commitRequested.set(true);
            OffsetCommitRequest commitRequest = (OffsetCommitRequest) body;
            return commitRequest.groupId().equals(groupId);
        }
    }, new OffsetCommitResponse(new HashMap<TopicPartition, Errors>()));
    client.prepareResponse(new MockClient.RequestMatcher() {

        @Override
        public boolean matches(AbstractRequest body) {
            leaveGroupRequested.set(true);
            LeaveGroupRequest leaveRequest = (LeaveGroupRequest) body;
            return leaveRequest.groupId().equals(groupId);
        }
    }, new LeaveGroupResponse(Errors.NONE));
    coordinator.close();
    assertTrue("Commit not requested", commitRequested.get());
    if (dynamicAssignment)
        assertTrue("Leave group not requested", leaveGroupRequested.get());
}