ShowEasy/EuroTran/SqlServerTest/UnitTest/Query/SingleQuery.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SqlSugar;
using System.Linq.Expressions;
using OrmTest.Models;
namespace OrmTest.UnitTest
{
    public class SingleQuery : UnitTestBase
    {
        private SingleQuery() { }
        public SingleQuery(int eachCount)
        {
            this.Count = eachCount;
        }
        internal void Init()
        {
            base.Begin();
            for (int i = 0; i < base.Count; i++)
            {
                Q2();
            }
            base.End("Method Test");
        }

        public void Q2()
        {
            using (var db = GetInstance())
            {
                var t1 = db.Queryable<Student>().ToSql();
                base.Check("SELECT [ID],[SchoolId],[Name],[CreateTime] FROM [STudent]", null, t1.Key, null, "single t1 Error");

                var t2 = db.Queryable<Student>().With(SqlWith.NoLock).ToSql();
                base.Check("SELECT [ID],[SchoolId],[Name],[CreateTime] FROM [STudent] WITH(NOLOCK)", null, t2.Key, null, "single t2 Error");

                var t3 = db.Queryable<Student>().OrderBy(it => it.Id).ToSql();
                base.Check("SELECT [ID],[SchoolId],[Name],[CreateTime] FROM [STudent] ORDER BY [ID] ASC", null, t3.Key, null, "single t3 Error");

                var t4 = db.Queryable<Student>().OrderBy(it => it.Id).Take(3).ToSql();
                base.Check(@"SELECT * FROM (SELECT [ID],[SchoolId],[Name],[CreateTime],ROW_NUMBER() OVER(ORDER BY [ID] ASC ) AS RowIndex  FROM [STudent] ) T WHERE RowIndex BETWEEN 1 AND 3", null, t4.Key, null, "single t4 Error");

                var t5 = db.Queryable<Student>().OrderBy(it => it.Id).Skip(3).ToSql();
                base.Check(@"SELECT * FROM (SELECT [ID],[SchoolId],[Name],[CreateTime],ROW_NUMBER() OVER(ORDER BY [ID] ASC ) AS RowIndex  FROM [STudent] ) T WHERE RowIndex BETWEEN 4 AND 9223372036854775807", null, t5.Key, null, "single t5 Error");

                int pageIndex = 2;
                int pageSize = 10;
                var t6 = db.Queryable<Student>().OrderBy(it => it.Id, OrderByType.Desc).Skip((pageIndex - 1) * pageSize).Take(pageSize).ToSql();
                base.Check(@"SELECT * FROM (SELECT [ID],[SchoolId],[Name],[CreateTime],ROW_NUMBER() OVER(ORDER BY [ID] DESC ) AS RowIndex  FROM [STudent] ) T WHERE RowIndex BETWEEN 11 AND 20", null, t6.Key, null, "single t6 Error");


                int studentCount = db.Ado.GetInt("select count(1) from Student");
                var countIsSuccess = db.Queryable<Student>().Count() == studentCount;
                if (!countIsSuccess)
                {
                    throw new Exception(" single countIsSuccess Error");
                }

                var t7 = db.Queryable<Student>().OrderBy(it => it.Id, OrderByType.Desc).Skip((pageIndex - 1) * pageSize).Take(pageSize).ToPageList(pageIndex, pageSize, ref studentCount);
                countIsSuccess = studentCount == db.Queryable<Student>().OrderBy(it => it.Id, OrderByType.Desc).Skip((pageIndex - 1) * pageSize).Take(pageSize * pageIndex).Count();
                if (!countIsSuccess)
                {
                    throw new Exception("single t7 Error");
                }

                int studentMin = db.Ado.GetInt("select min(id)  from Student");
                var minIsSuccess = db.Queryable<Student>().Min(it => it.Id) == studentMin;
                if (!minIsSuccess)
                {
                    throw new Exception("single minIsSuccess Error");
                }

                int studentMax = db.Ado.GetInt("select max(id)  from Student");
                var maxIsSuccess = db.Queryable<Student>().Max(it => it.Id) == studentMax;
                if (!maxIsSuccess)
                {
                    throw new Exception("single maxIsSuccess Error");
                }

                int studentAvg = db.Ado.GetInt("select avg(id)  from Student");
                var avgIsSuccess = db.Queryable<Student>().Avg(it => it.Id) == studentAvg;
                if (!maxIsSuccess)
                {
                    throw new Exception(" single avgIsSuccess Error");
                }

                int studentSum = db.Ado.GetInt("select sum(id)  from Student");
                var sumIsSuccess = db.Queryable<Student>().Sum(it => it.Id) == studentSum;
                if (!sumIsSuccess)
                {
                    throw new Exception("single sumIsSuccess Error");
                }

                var t8 = db.Queryable<Student>()
                    .Where(it => it.Id == 1)
                    .WhereIF(true, it => SqlFunc.Contains(it.Name, "a"))
                    .OrderBy(it => it.Id, OrderByType.Desc).Skip((pageIndex - 1) * pageSize).Take(pageSize).With(SqlWith.NoLock).ToSql();
                base.Check(@"SELECT * FROM (SELECT [ID],[SchoolId],[Name],[CreateTime],ROW_NUMBER() OVER(ORDER BY [ID] DESC ) AS RowIndex  FROM [STudent] WITH(NOLOCK)   WHERE ( [ID] = @Id0 )  AND  ([Name] like '%'+@MethodConst1+'%') ) T WHERE RowIndex BETWEEN 11 AND 20", new List<SugarParameter>() {
                               new SugarParameter("@Id0",1),new SugarParameter("@MethodConst1","a")
               }, t8.Key, t8.Value, "single t8 Error");



                var t9 = db.Queryable<Student>()
                    .In(1)
                    .Select(it => new { it.Id, it.Name, x = it.Id }).ToSql();
                base.Check("SELECT  [ID] AS [Id] , [Name] AS [Name] , [ID] AS [x]  FROM [STudent]  WHERE [Id] IN (@InPara0)   ", new List<SugarParameter>() {
                     new SugarParameter("@InPara0",1)   }, t9.Key, t9.Value, "single t9 error");

                var t10 = db.Queryable<Student>().Select(it => new StudentEnum() { Id = SqlFunc.GetSelfAndAutoFill(it.Id) }).ToSql();
                base.Check("SELECT * FROM [STudent] ", null, t10.Key, t10.Value, "single t10 error");

                var t11 = db.Queryable<Student>().GroupBy("id").OrderBy("id").Select("id").ToSql();
                base.Check("SELECT id FROM [STudent] GROUP BY id ORDER BY id ", null, t11.Key, t11.Value, "single t11 error");


                var t12 = db.Queryable<Student>().Where(it => it.Id != -1).ToSql();
                //base.Check("SELECT [ID],[SchoolId],[Name],[CreateTime] FROM [STudent]  WHERE ( [ID] IS NOT NULL )", null, t12.Key, t12.Value, "single t12 error");

                var id = 1;
                var t13 = db.Queryable<Student>().Where(it => SqlFunc.Subqueryable<School>().Where(s => s.Id == it.Id && s.Id == id).Max(s => s.Id) == 1).ToSql();
                base.Check("SELECT [ID],[SchoolId],[Name],[CreateTime] FROM [STudent] it  WHERE ((SELECT MAX([Id]) FROM [School] WHERE (( [Id] = [it].[ID] ) AND ( [Id] = @Id0 ))) = @Const1 )",
                    new List<SugarParameter>() {
                        new SugarParameter("@Id0",1),
                        new SugarParameter("@Const1",1)
                    }, t13.Key, t13.Value, "single t13 error ");


                var t14 = db.Queryable<Student>()
                    .Where(it => it.Name == "a" && SqlFunc.HasValue(it.Name)).ToSql();
                base.Check("SELECT [ID],[SchoolId],[Name],[CreateTime] FROM [STudent]  WHERE (( [Name] = @Name0 ) AND ( [Name]<>'' AND [Name] IS NOT NULL ))",
                   new List<SugarParameter>() {
                        new SugarParameter("@Name0","a")
                   }, t14.Key, t14.Value, "single t14 error ");


                var t15 = db.Queryable<CapitalEntity>()
     .Select(x => new
     {

         TGYArea = SqlFunc.AggregateSum(SqlFunc.IIF(x.FlatProp == "1", x.Areas, 0))
     }).ToSql();
                base.Check("SELECT  SUM(( CASE  WHEN ( [FlatProp] = @FlatProp0 ) THEN [Areas]  ELSE @MethodConst1 END )) AS [TGYArea]  FROM [RENT_CAPITAL] ", new List<SugarParameter>()
                {
  new SugarParameter("@FlatProp0","1"),
  new SugarParameter("@MethodConst1",0)
                }, t15.Key, t15.Value, "single t15 error");
            }
        }
    }
}