How to use

deleteAllMatchingQuery

method

in

org.apache.james.backends.es.ElasticSearchIndexer

@Override
public void deleteAll(MailboxSession session, Mailbox mailbox) throws MailboxException {
  try {
    elasticSearchIndexer.deleteAllMatchingQuery(
      termQuery(
        JsonMessageConstants.MAILBOX_ID,
        mailbox.getMailboxId().serialize()));
  } catch (Exception e) {
    LOGGER.error("Error when deleting all messages in mailbox {}", mailbox.getMailboxId().serialize(), e);
  }
}

@Test
public void deleteAllShouldNotPropagateExceptionWhenExceptionOccurs() throws Exception {
  //Given
  Mailbox mailbox = mock(Mailbox.class);
  when(mailbox.getMailboxId())
    .thenReturn(MAILBOX_ID);
  doThrow(RuntimeException.class)
    .when(elasticSearchIndexer).deleteAllMatchingQuery(QueryBuilders.termQuery("mailboxId", "12"));
  //When
  testee.deleteAll(session, mailbox);
  
  //Then
  //No Exception
}

@Test
public void deleteAllShouldWork() throws Exception {
  //Given
  Mailbox mailbox = mock(Mailbox.class);
  when(mailbox.getMailboxId())
    .thenReturn(MAILBOX_ID);
  //When
  testee.deleteAll(session, mailbox);
  
  //Then
  QueryBuilder expectedQueryBuilder = QueryBuilders.termQuery("mailboxId", "12");
  verify(elasticSearchIndexer).deleteAllMatchingQuery(refEq(expectedQueryBuilder));
}