code: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.skywalking.library.elasticsearch.requests.search;
  
  import org.junit.jupiter.api.Test;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class SearchBuilderTest {
      @Test
      public void searchQueryShouldBeUpdatableAfterSet() {
          final BoolQueryBuilder queryBuilder = Query.bool();
          final SearchBuilder searchBuilder = Search.builder().query(queryBuilder);
          queryBuilder.must(Query.term("t", "v"));
          queryBuilder.should(Query.term("t", "v"));
          queryBuilder.mustNot(Query.term("t2", "v2"));
          queryBuilder.shouldNot(Query.term("t2", "v2"));
          queryBuilder.shouldNot(Query.term("t2", "v2"));
  
          final BoolQuery query = (BoolQuery) searchBuilder.build().getQuery();
          assertThat(query.getMust()).hasSize(1);
          assertThat(query.getShould()).hasSize(1);
          assertThat(query.getMustNot()).hasSize(1);
          assertThat(query.getShouldNot()).hasSize(2);
      }
  
      @Test
      public void searchQueryBuilderShouldNotBeSetMultipleTimes() {
          assertThrows(IllegalStateException.class, () -> {
              final BoolQueryBuilder queryBuilder = Query.bool();
              final SearchBuilder searchBuilder = Search.builder().query(queryBuilder);
              searchBuilder.query(Query.bool());
          });
      }
  
      @Test
      public void searchQueryShouldNotBeSetMultipleTimes() {
          assertThrows(IllegalStateException.class, () -> {
              final SearchBuilder searchBuilder = Search.builder().query(Query.bool().build());
              searchBuilder.query(Query.bool().build());
          });
      }
  
      @Test
      public void searchQueryAndBuilderShouldNotBeSetSimultaneously() {
          assertThrows(IllegalStateException.class, () -> {
              final SearchBuilder searchBuilder = Search.builder().query(Query.bool().build());
              searchBuilder.query(Query.bool());
          });
      }
  }
  