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

Example 1 with ElectLeadersResponse

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

the class KafkaAdminClientTest method testElectLeaders.

@Test
public void testElectLeaders() throws Exception {
    TopicPartition topic1 = new TopicPartition("topic", 0);
    TopicPartition topic2 = new TopicPartition("topic", 2);
    try (AdminClientUnitTestEnv env = mockClientEnv()) {
        for (ElectionType electionType : ElectionType.values()) {
            env.kafkaClient().setNodeApiVersions(NodeApiVersions.create());
            // Test a call where one partition has an error.
            ApiError value = ApiError.fromThrowable(new ClusterAuthorizationException(null));
            List<ReplicaElectionResult> electionResults = new ArrayList<>();
            ReplicaElectionResult electionResult = new ReplicaElectionResult();
            electionResult.setTopic(topic1.topic());
            // Add partition 1 result
            PartitionResult partition1Result = new PartitionResult();
            partition1Result.setPartitionId(topic1.partition());
            partition1Result.setErrorCode(value.error().code());
            partition1Result.setErrorMessage(value.message());
            electionResult.partitionResult().add(partition1Result);
            // Add partition 2 result
            PartitionResult partition2Result = new PartitionResult();
            partition2Result.setPartitionId(topic2.partition());
            partition2Result.setErrorCode(value.error().code());
            partition2Result.setErrorMessage(value.message());
            electionResult.partitionResult().add(partition2Result);
            electionResults.add(electionResult);
            env.kafkaClient().prepareResponse(new ElectLeadersResponse(0, Errors.NONE.code(), electionResults, ApiKeys.ELECT_LEADERS.latestVersion()));
            ElectLeadersResult results = env.adminClient().electLeaders(electionType, new HashSet<>(asList(topic1, topic2)));
            assertEquals(results.partitions().get().get(topic2).get().getClass(), ClusterAuthorizationException.class);
            // Test a call where there are no errors. By mutating the internal of election results
            partition1Result.setErrorCode(ApiError.NONE.error().code());
            partition1Result.setErrorMessage(ApiError.NONE.message());
            partition2Result.setErrorCode(ApiError.NONE.error().code());
            partition2Result.setErrorMessage(ApiError.NONE.message());
            env.kafkaClient().prepareResponse(new ElectLeadersResponse(0, Errors.NONE.code(), electionResults, ApiKeys.ELECT_LEADERS.latestVersion()));
            results = env.adminClient().electLeaders(electionType, new HashSet<>(asList(topic1, topic2)));
            assertFalse(results.partitions().get().get(topic1).isPresent());
            assertFalse(results.partitions().get().get(topic2).isPresent());
            // Now try a timeout
            results = env.adminClient().electLeaders(electionType, new HashSet<>(asList(topic1, topic2)), new ElectLeadersOptions().timeoutMs(100));
            TestUtils.assertFutureError(results.partitions(), TimeoutException.class);
        }
    }
}