Tests.QueryDSLTests.TestFilterdQuery C# (CSharp) Method

        public void TestFilterdQuery()
        {

            var termQuery = new TermQuery("type", "common");
            var termFilter = new TermFilter("age", "24");
            var filteredQuery = new FilteredQuery(termQuery,termFilter);
            var result2 = client.Search(index, "type" , filteredQuery, 0, 5);
            Assert.AreEqual(1, result2.GetTotalCount());
            Assert.AreEqual(1, result2.GetHits().Hits.Count);

            var wildQuery = new WildcardQuery("name", "张三*");
            termFilter = new TermFilter("age", "23");
            filteredQuery = new FilteredQuery(wildQuery, termFilter);
            result2 = client.Search(index, "type" , filteredQuery, 0, 5);
            Assert.AreEqual(1, result2.GetTotalCount());
            Assert.AreEqual(1, result2.GetHits().Hits.Count);
            Assert.AreEqual("张三丰",result2.GetHits().Hits[0].Source["name"]);


            var boolQuery = new BoolQuery();
            boolQuery.Must(new TermQuery("type", "common"));
            boolQuery.Must(new WildcardQuery("name", "张三*"));
            boolQuery.Should(new TermQuery("age", 24));

            filteredQuery=new FilteredQuery(boolQuery,new TermFilter("age","23"));

            result2 = client.Search(index, "type" , filteredQuery, 0, 5);
            Assert.AreEqual(1, result2.GetTotalCount());
            Assert.AreEqual(1, result2.GetHits().Hits.Count);
            Assert.AreEqual("张三丰", result2.GetHits().Hits[0].Source["name"]);



            filteredQuery = new FilteredQuery(boolQuery, new TermFilter("age", "24"));

            result2 = client.Search(index, "type" , filteredQuery, 0, 5);
            Assert.AreEqual(1, result2.GetTotalCount());
            Assert.AreEqual(1, result2.GetHits().Hits.Count);
            Assert.AreEqual("张三", result2.GetHits().Hits[0].Source["name"]);


            filteredQuery = new FilteredQuery(boolQuery, new TermFilter("type", "common"));

            result2 = client.Search(index, "type" , filteredQuery, 0, 5);
            Assert.AreEqual(2, result2.GetTotalCount());
            Assert.AreEqual(2, result2.GetHits().Hits.Count);

            
            //test should

            boolQuery = new BoolQuery();
            boolQuery.Must(new TermQuery("type", "common"));
            boolQuery.Must(new WildcardQuery("name", "张*"));
            boolQuery.Should(new TermQuery("age", 24));

            filteredQuery = new FilteredQuery(boolQuery, new TermFilter("type", "common"));

            result2 = client.Search(index, "type" , filteredQuery, 0, 5);
            Assert.AreEqual(3, result2.GetTotalCount());
            Assert.AreEqual(3, result2.GetHits().Hits.Count);

            boolQuery = new BoolQuery();
            boolQuery.Must(new TermQuery("type", "common"));
            boolQuery.Must(new WildcardQuery("name", "张*"));
            boolQuery.Should(new TermQuery("age", 24));
            boolQuery.Should(new TermQuery("age", 28));
            boolQuery.Should(new TermQuery("age", 22));
            //must+should ->[should] make nonsense
            filteredQuery = new FilteredQuery(boolQuery, new TermFilter("type", "common"));

            result2 = client.Search(index, "type" , filteredQuery, 0, 5);
            Assert.AreEqual(3, result2.GetTotalCount());
            Assert.AreEqual(3, result2.GetHits().Hits.Count);


            boolQuery = new BoolQuery();
            boolQuery.Should(new TermQuery("age", 24));
            boolQuery.Should(new TermQuery("age", 28));
            boolQuery.Should(new TermQuery("age", 22));
            filteredQuery = new FilteredQuery(boolQuery, new TermFilter("type", "common"));

            result2 = client.Search(index, "type" , filteredQuery, 0, 5);
            Assert.AreEqual(1, result2.GetTotalCount());
            Assert.AreEqual(1, result2.GetHits().Hits.Count);
            Assert.AreEqual("张三", result2.GetHits().Hits[0].Source["name"]);


            boolQuery.Should(new TermQuery("age", 25));
            filteredQuery = new FilteredQuery(boolQuery, new TermFilter("type", "common"));

            result2 = client.Search(index, "type" , filteredQuery, 0, 5);
            Assert.AreEqual(2, result2.GetTotalCount());
            Assert.AreEqual(2, result2.GetHits().Hits.Count);
        }