Examples with ConfigResourceExistenceChecker org.apache.kafka.controller.QuorumController.ConfigResourceExistenceChecker used on opensource projects

Example 1 with ConfigResourceExistenceChecker

use of org.apache.kafka.controller.QuorumController.ConfigResourceExistenceChecker in project kafka by apache.

the class QuorumControllerTest method testConfigResourceExistenceChecker.

@Test
public void testConfigResourceExistenceChecker() throws Throwable {
    try (LocalLogManagerTestEnv logEnv = new LocalLogManagerTestEnv(3, Optional.empty())) {
        try (QuorumControllerTestEnv controlEnv = new QuorumControllerTestEnv(logEnv, b -> b.setConfigDefs(CONFIGS))) {
            QuorumController active = controlEnv.activeController();
            registerBrokers(active, 5);
            active.createTopics(new CreateTopicsRequestData().setTopics(new CreatableTopicCollection(Collections.singleton(new CreatableTopic().setName("foo").setReplicationFactor((short) 3).setNumPartitions(1)).iterator()))).get();
            ConfigResourceExistenceChecker checker = active.new ConfigResourceExistenceChecker();
            // A ConfigResource with type=BROKER and name=(empty string) represents
            // the default broker resource. It is used to set cluster configs.
            checker.accept(new ConfigResource(BROKER, ""));
            // Broker 3 exists, so we can set a configuration for it.
            checker.accept(new ConfigResource(BROKER, "3"));
            // Broker 10 does not exist, so this should throw an exception.
            assertThrows(BrokerIdNotRegisteredException.class, () -> checker.accept(new ConfigResource(BROKER, "10")));
            // Topic foo exists, so we can set a configuration for it.
            checker.accept(new ConfigResource(TOPIC, "foo"));
            // Topic bar does not exist, so this should throw an exception.
            assertThrows(UnknownTopicOrPartitionException.class, () -> checker.accept(new ConfigResource(TOPIC, "bar")));
        }
    }
}