Add unit test

Src/Asp.Net/SqlServerTest/UnitTest/CrossDatabase02.cs

@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using SqlSugar;
+namespace OrmTest
+{
+    public class CrossDatabase02
+    {
+        public static void Init()
+        {
+
+            var db = new SqlSugarClient(new List<ConnectionConfig>()
+            {
+                new ConnectionConfig(){ConfigId="A",DbType=DbType.SqlServer,ConnectionString="server=.;uid=sa;pwd=sasa;database=SQLSUGAR4XTEST",IsAutoCloseConnection=true},
+                new ConnectionConfig(){ConfigId="B",DbType=DbType.SqlServer,ConnectionString="server=.;uid=sa;pwd=sasa;database=SQLSUGAR4XTEST2",IsAutoCloseConnection=true  },
+                new ConnectionConfig(){ConfigId="AB",DbType=DbType.SqlServer,ConnectionString="server=.;uid=sa;pwd=sasa;database=SQLSUGAR4XTEST3",IsAutoCloseConnection=true  }
+            });
+
+            db.GetConnection("A").CodeFirst.InitTables<OperatorInfo>();
+            db.GetConnection("B").CodeFirst.InitTables<Role>();
+            db.GetConnection("AB").CodeFirst.InitTables<OptRole>();
+
+            db.GetConnection("A").DbMaintenance.TruncateTable<OperatorInfo>();
+            db.GetConnection("B").DbMaintenance.TruncateTable<Role>();
+            db.GetConnection("AB").DbMaintenance.TruncateTable<OptRole>();
+
+            db.GetConnection("A").Insertable(new OperatorInfo() {  id=10, realname="A"}).ExecuteCommand();
+            db.GetConnection("B").Insertable(new Role() {  id=101, name="B"}).ExecuteCommand();
+            db.GetConnection("AB").Insertable(new OptRole() {  id=1, operId=10, roleId=101}).ExecuteCommand();
+
+             var x=db.Queryable<OperatorInfo>()
+                .CrossQueryWithAttr().Includes(z => z.Roles).ToList();
+
+            if (x.First().Roles.Count == 0) 
+            {
+                throw new Exception("unit error");
+            }
+        }
+        /// <summary>
+        /// 描述：
+        /// 作者：synjones
+        /// 时间：2022-04-20 21:30:28
+        /// </summary>
+        [SugarTable("unit_operatorinfo8")]
+        [Tenant("A")]
+        public partial class OperatorInfo
+        {
+            /// <summary>
+            /// 主键
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true)]
+            public int id { get; set; }
+
+            /// <summary>
+            /// 姓名
+            /// </summary>
+            public string realname { get; set; }
+
+            /// <summary>
+            /// 多角色
+            /// </summary>
+            [Navigate(typeof(OptRole), nameof(OptRole.operId), nameof(OptRole.roleId))]//名字换
+            public List<Role> Roles { get; set; }
+        }
+
+        /// <summary>
+        /// 描述：
+        /// 作者：synjones
+        /// 时间：2022-04-20 21:30:28
+        /// </summary>
+        [SugarTable("unit_role18")]
+        [Tenant("B")]
+        public partial class Role
+        {
+            /// <summary>
+            /// 角色
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true )]
+            public int id { get; set; }
+
+            /// <summary>
+            /// 角色名称
+            /// </summary>
+            public string name { get; set; }
+ 
+        }
+ 
+
+        /// <summary>
+        /// 描述：
+        /// 作者：synjones
+        /// 时间：2022-04-21 14:35:09
+        /// </summary>
+        [SugarTable("unit_operator_role8")]
+        [Tenant("AB")]
+        public partial class OptRole
+        {
+            /// <summary>
+            /// 
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true)]
+            public int id { get; set; }
+
+            /// <summary>
+            /// 
+            /// </summary>
+            public int operId { get; set; }
+
+            /// <summary>
+            /// 
+            /// </summary>
+            public int roleId { get; set; }
+
+
+        }
+    }
+}