Add unit test

Src/Asp.NetCore2/MySqlTest/UserTestCases/UnitTest/Main.cs

@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            Unitdfasfasfa.Init();
             UnitAddRemark.Init();
             UnitSplitTask.Init();
             UnitBulkMerge.Init();

Src/Asp.NetCore2/MySqlTest/UserTestCases/UnitTest/Unitdfasfasfa.cs

@@ -0,0 +1,64 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class Unitdfasfasfa
+    {
+        public static void Init() 
+        {
+            ConnectionConfig connectionConfig = new ConnectionConfig()
+            {
+                DbType = DbType.MySql,
+                ConfigId = "Default",
+                ConnectionString =Config.ConnectionString
+            };
+
+            ConnectionConfig connectionConfig1 = new ConnectionConfig()
+            {
+                DbType = DbType.MySql,
+                ConfigId = "Default1",
+                ConnectionString =  Config.ConnectionString
+            };
+
+            var db = new SqlSugarClient(new List<ConnectionConfig> { connectionConfig, connectionConfig1 },
+                               db =>
+                               {
+                                   //调试SQL事件，可以删掉 (要放在执行方法之前)
+                                   db.Aop.OnLogExecuting = (sql, pars) =>
+                                   {
+                                       //Console.WriteLine(sql);//输出sql,查看执行sql 性能无影响
+                                   };
+                               });
+
+            var Db = db.GetConnection("Default");
+            Console.WriteLine($"Db 的MappingTables 属性为Null： {Db.MappingTables == null}");
+
+            var Db1 = db.GetConnection("Default1");
+            Console.WriteLine($"Db1 的MappingTables 属性为Null： {Db1.MappingTables == null}");
+
+            var type = typeof(TestTable);
+            Db.CodeFirst.InitTables(type);
+            Db1.CodeFirst.InitTables(type);
+            Console.WriteLine("Hello, World!");
+        }
+        [SugarTable("Test_Table_{year}{month}{day}")]
+        [SplitTable(SplitType.Month)]
+        public class TestTable
+        {
+            [SugarColumn(ColumnDescription = "创建时间", IsPrimaryKey = true)]
+            public long Id { get; set; }
+
+            /// <summary>
+            /// 创建时间
+            /// </summary>
+            [SugarColumn(ColumnDescription = "创建时间", CreateTableFieldSort = 993, IsOnlyIgnoreUpdate = true)]
+            [SplitField]
+            public DateTime CreationTime { get; set; }
+        }
+    }
+}