Add unit test

Src/Asp.Net/SqliteTest/UnitTest/Models/School.cs

@@ -0,0 +1,25 @@
+using SqlSugar;
+using System.Collections.Generic;
+using System.Security.Principal;
+
+namespace Test.Model
+{
+    [SugarTable("SchoolA01")]
+    public class School
+    {
+        [SugarColumn(ColumnName = "Id", IsPrimaryKey = true, IsIdentity = true)]
+        public int? Id { get; set; }
+
+        [SugarColumn(ColumnName = "Name")]
+        public string Name { get; set; }
+
+        [SugarColumn(ColumnName = "PId")]
+        public int? PId { get; set; }
+
+        [Navigate(NavigateType.OneToMany, nameof(Room.PId))]
+        public List<Room> Rooms { get; set; }
+
+        [Navigate(NavigateType.OneToMany, nameof(Playground.PId))]
+        public List<Playground> Playgrounds { get; set; }
+    }
+}