How to use

update

method

in

org.apache.james.backends.es.ElasticSearchIndexer

@Override
public void update(MailboxSession session, Mailbox mailbox, List<UpdatedFlags> updatedFlagsList) throws MailboxException {
  try {
    elasticSearchIndexer.update(updatedFlagsList.stream()
      .map(updatedFlags -> createUpdatedDocumentPartFromUpdatedFlags(mailbox, updatedFlags))
      .collect(Collectors.toList()));
  } catch (Exception e) {
    LOGGER.error("Error when updating index on mailbox {}", mailbox.getMailboxId().serialize(), e);
  }
}

@Test
public void updateShouldWork() throws Exception {
  //Given
  Mailbox mailbox = mock(Mailbox.class);
  Flags flags = new Flags();
  UpdatedFlags updatedFlags = UpdatedFlags.builder()
    .uid(MESSAGE_UID)
    .modSeq(MODSEQ)
    .oldFlags(flags)
    .newFlags(flags)
    .build();
  when(mailbox.getMailboxId())
    .thenReturn(MAILBOX_ID);
  when(messageToElasticSearchJson.getUpdatedJsonMessagePart(any(Flags.class), any(Long.class)))
    .thenReturn("json updated content");
  
  //When
  testee.update(session, mailbox, Lists.newArrayList(updatedFlags));
  
  //Then
  ImmutableList<UpdatedRepresentation> expectedUpdatedRepresentations = ImmutableList.of(new UpdatedRepresentation(ELASTIC_SEARCH_ID, "json updated content"));
  verify(elasticSearchIndexer).update(expectedUpdatedRepresentations);
}

@Test
public void updateShouldNotPropagateExceptionWhenExceptionOccurs() throws Exception {
  //Given
  Mailbox mailbox = mock(Mailbox.class);
  Flags flags = new Flags();
  UpdatedFlags updatedFlags = UpdatedFlags.builder()
    .uid(MESSAGE_UID)
    .modSeq(MODSEQ)
    .oldFlags(flags)
    .newFlags(flags)
    .build();
  when(mailbox.getMailboxId())
    .thenReturn(MAILBOX_ID);
  ImmutableList<UpdatedRepresentation> expectedUpdatedRepresentations = ImmutableList.of(new UpdatedRepresentation(ELASTIC_SEARCH_ID, "json updated content"));
  when(elasticSearchIndexer.update(expectedUpdatedRepresentations))
    .thenThrow(new ElasticsearchException(""));
  
  //When
  testee.update(session, mailbox, Lists.newArrayList(updatedFlags));
  
  //Then
  //No exception
}