Update mongodb

Src/Asp.NetCore2/MongoDbTest/UnitTest/QuerySingle.cs

@@ -0,0 +1,57 @@
+using MongoDB.Bson.Serialization.IdGenerators;
+using SqlSugar.MongoDb;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.WebSockets;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MongoDbTest 
+{
+    public class QuerySingle
+    {
+        public static void Init() 
+        {
+            var db = DBHelper.DbHelper.GetNewDb();
+
+            db.CodeFirst.InitTables<Student>();
+            db.CodeFirst.InitTables<School>();
+            db.DbMaintenance.TruncateTable<Student>();
+            db.DbMaintenance.TruncateTable<School>(); 
+
+            var schoolId = db.Insertable(new School() { Name = "XX大学" }).ExecuteReturnPkList<string>().First();
+            var studentId=db.Insertable(new Student() { Name = "jack",SchoolId= schoolId }).ExecuteReturnPkList<string>().First();
+            var studentData = db.Queryable<Student>().Where(it => it.Id == studentId).First();
+            var schoolData = db.Queryable<School>().Where(it => it.Id == schoolId).First(); 
+            if (studentData.Name != "jack" || schoolData.Name!= "XX大学") Cases.ThrowUnitError(); 
+
+            db.Insertable(new School() { Name = "zz大学" }).ExecuteCommand();
+            db.Insertable(new School() { Name = "yy大学" }).ExecuteCommand();
+            var tableCount = db.Queryable<School>().ToList().Count;
+            if(tableCount!=3) Cases.ThrowUnitError();
+
+            db.Insertable(new School() { Name = "ss大学" }).ExecuteCommand();
+            db.Insertable(new School() { Name = "yy大学" }).ExecuteCommand();
+            var count = 0;
+            var list = db.Queryable<School>().OrderBy(it=>it.Name).ToPageList(1,2,ref count);
+            if(count != 5||list.Count!=2) Cases.ThrowUnitError();
+
+            var list3 = db.Queryable<School>().Where(it=>it.Name== "zz大学"||it.Name== "ss大学").ToPageList(1, 2, ref count);
+            if(count!=2||list3.Count!=2) Cases.ThrowUnitError();
+            if (list3.First().Name!= "zz大学"|| list3.Last().Name != "ss大学") Cases.ThrowUnitError();
+        }
+    }
+    [SqlSugar.SugarTable("UnitStudent123131")]
+    public class Student : MongoDbBase 
+    {
+        public string Name { get; set; }
+
+        public string SchoolId { get; set; }
+    }
+    [SqlSugar.SugarTable("UnitSchool123131")]
+    public class School : MongoDbBase 
+    {
+        public string Name{ get; set; }
+    }
+}