add test code #677

FreeSql.Tests/FreeSql.Tests/Issues/677.cs

@@ -0,0 +1,109 @@
+using FreeSql.DataAnnotations;
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading;
+using Xunit;
+
+namespace FreeSql.Tests.Issues
+{
+	public class _677
+	{
+		[Fact]
+		public void IncludeMany()
+		{
+            var fsql = g.sqlite;
+			fsql.Delete<Orders>().Where("1=1").ExecuteAffrows();
+			fsql.Delete<Users>().Where("1=1").ExecuteAffrows();
+			fsql.Delete<Roles>().Where("1=1").ExecuteAffrows();
+
+			fsql.Insert(new[]
+			{
+				new Users{ Id = 1, UserName = "user1"},
+				new Users{ Id = 2, UserName = "user2"},
+				new Users{ Id = 3, UserName = "user3"},
+			}).NoneParameter().ExecuteAffrows();
+			fsql.Insert(new[]
+			{
+				new Roles{ Id = 1, RoleName = "role1"},
+				new Roles{ Id = 2, RoleName = "role2"},
+				new Roles{ Id = 3, RoleName = "role3"},
+			}).NoneParameter().ExecuteAffrows();
+			fsql.Insert(new[]
+			{
+				new Orders{ Id = 1 },
+				new Orders{ Id = 2 },
+				new Orders{ Id = 3 },
+				new Orders{ Id = 4 },
+				new Orders{ Id = 5 },
+				new Orders{ Id = 6 },
+			}).NoneParameter().ExecuteAffrows();
+
+			var userAndRoleSql = fsql.Select<Users>()
+				.As("u") //别名
+				.From<Roles>((_, r) => _) //其他表别名
+				.InnerJoin((a, b) => a.Id == b.Id)
+				.ToSql((a, b) => new
+				{
+					OrderId = 1, //订单id
+					a.UserName,
+					b.RoleName
+				}, FieldAliasOptions.AsProperty);
+
+			Assert.Equal(@"SELECT 1 ""OrderId"", u.""UserName"", r.""RoleName"" 
+FROM ""Users_677"" u 
+INNER JOIN ""Roles_677"" r ON u.""Id"" = r.""Id""", userAndRoleSql);
+
+			var items = fsql.Select<Orders>()
+				.AsTable((tp, old) => tp == typeof(UserAndRole) ? $"({userAndRoleSql})" : old)
+				.IncludeMany(order => order.UserAndRoles)
+				.ToList();
+			Assert.Equal(6, items.Count);
+			Assert.Equal(3, items[0].UserAndRoles.Count);
+			Assert.Equal("user1", items[0].UserAndRoles[0].UserName);
+			Assert.Equal("user2", items[0].UserAndRoles[1].UserName);
+			Assert.Equal("user3", items[0].UserAndRoles[2].UserName);
+			Assert.Equal("role1", items[0].UserAndRoles[0].RoleName);
+			Assert.Equal("role2", items[0].UserAndRoles[1].RoleName);
+			Assert.Equal("role3", items[0].UserAndRoles[2].RoleName);
+
+			Assert.Empty(items[1].UserAndRoles);
+			Assert.Empty(items[2].UserAndRoles);
+			Assert.Empty(items[3].UserAndRoles);
+			Assert.Empty(items[4].UserAndRoles);
+			Assert.Empty(items[5].UserAndRoles);
+		}
+
+		[Table(Name = "Orders_677")]
+		class Orders
+		{
+			public int Id { get; set; }
+			[Navigate(nameof(UserAndRole.OrderId))]
+			public List<UserAndRole> UserAndRoles { get; set; }
+		}
+		[Table(Name = "Users_677")]
+		class Users
+		{
+			public int Id { get; set; }
+			public string UserName { get; set; }
+		}
+		[Table(Name = "Roles_677")]
+		class Roles
+		{
+			public int Id { get; set; }
+			public string RoleName { get; set; }
+		}
+		[Table(DisableSyncStructure = true)]
+		class UserAndRole
+		{
+			public int OrderId { get; set; }
+			public string UserName { get; set; }
+			public string RoleName { get; set; }
+		}
+	}
+}