Examples with TOPIC_STATUS_PREFIX org.apache.kafka.connect.storage.KafkaStatusBackingStore.TOPIC_STATUS_PREFIX used on opensource projects

Example 1 with TOPIC_STATUS_PREFIX

use of org.apache.kafka.connect.storage.KafkaStatusBackingStore.TOPIC_STATUS_PREFIX in project kafka by apache.

the class KafkaStatusBackingStoreFormatTest method putTopicStateRetriableFailure.

@Test
public void putTopicStateRetriableFailure() {
    TopicStatus topicStatus = new TopicStatus(FOO_TOPIC, new ConnectorTaskId(FOO_CONNECTOR, 0), time.milliseconds());
    String key = TOPIC_STATUS_PREFIX + FOO_TOPIC + TOPIC_STATUS_SEPARATOR + FOO_CONNECTOR;
    ArgumentCaptor<byte[]> valueCaptor = ArgumentCaptor.forClass(byte[].class);
    doAnswer(invocation -> {
        ((Callback) invocation.getArgument(2)).onCompletion(null, new TimeoutException());
        return null;
    }).doAnswer(invocation -> {
        ((Callback) invocation.getArgument(2)).onCompletion(null, null);
        return null;
    }).when(kafkaBasedLog).send(eq(key), valueCaptor.capture(), any(Callback.class));
    store.put(topicStatus);
    verify(kafkaBasedLog, times(2)).send(any(), any(), any());
    // check capture state
    assertEquals(topicStatus, store.parseTopicStatus(valueCaptor.getValue()));
    // state is not visible until read back from the log
    assertNull(store.getTopic(FOO_CONNECTOR, FOO_TOPIC));
}