Java：如何对调用Elasticsearch的方法进行单元测试？

Question

我对使用模拟进行单元测试非常陌生。

因此，我有一个Java方法来构建搜索请求并调用elasticsearch进行搜索。我不确定如何对该方法进行单元测试。在下面的代码中，我应该模拟“ client.search（）”吗？我认为我不应该这样做，因为client.search（）的结果取决于我的代码（我为其提供的参数）。所以，我不应该模拟client.search（）的输出，对吧？

我应该如何进行方法的单元测试？任何提示将不胜感激。谢谢。

public SearchResponse doV1Search(SearchRequestV1 searchRequestBody) throws IOException {
   Date startDate = Date.from(searchRequestBody.getRange().getStartTime());
   Date endDate = Date.from(searchRequestBody.getRange().getEndTime());
   int size = ELASTICSEARCH_MAX_RECORDS_PER_RESPONSE;
   int from = 0;

   if (searchRequestBody.getMeta() != null) {
     if (searchRequestBody.getMeta().getSize() != null
       && searchRequestBody.getMeta().getSize() != 0
       && searchRequestBody.getMeta().getSize() <= ELASTICSEARCH_MAX_RECORDS_PER_RESPONSE) {
       size = Math.toIntExact(searchRequestBody.getMeta().getSize());
     }
     if (searchRequestBody.getMeta().getFrom() != null) {
       from = Math.toIntExact(searchRequestBody.getMeta().getFrom());
     }
   }

   SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
   searchSourceBuilder.from(from);
   searchSourceBuilder.size(size);
   searchSourceBuilder.sort(new FieldSortBuilder("creationTimestamp").order(SortOrder.DESC));
   searchSourceBuilder.query(
     buildQuery(
       startDate,
       endDate,
       ModelMappings.convertV1SearchRequestFieldsToV3(searchRequestBody.getFields())
     )
   );

   SearchRequest searchRequest = new SearchRequest(buildValidIndicesFromDateRange(startDate, endDate));
   searchRequest.indicesOptions(IndicesOptions.LENIENT_EXPAND_OPEN);
   searchRequest.source(searchSourceBuilder);
   return client.search(searchRequest, RequestOptions.DEFAULT);
 }