tests

Author: StefH

src-console/ConsoleAppEF6_InMemory/Program.cs

@@ -26,7 +26,7 @@ static async Task Main(string[] args)
         await using (var context = new TestContextEF6())
         {
             var result784 = context.Products.Where("NullableInt = @0", 1).ToDynamicArray<ProductDynamic>();
-            Console.WriteLine("a1 {0}", string.Join(",", result784.Select(r => r.Key)));
+            Console.WriteLine("a1 {0}", string.Join(", ", result784.Select(r => r.Key)));
         }
 
         await using (var context = new TestContextEF6())
@@ -65,5 +65,20 @@ static async Task Main(string[] args)
                 Console.WriteLine(result.Key + ":" + JsonSerializer.Serialize(result.Dict, JsonSerializerOptions));
             }
         }
+
+        // #907 and #912
+        await using (var context = new TestContextEF6())
+        {
+            var dynamicData = context.Products
+                .AsQueryable()
+                .Select("new { NullableInt as Value }")
+                .ToDynamicArray();
+            var dynamicResult = dynamicData
+                .AsQueryable()
+                .Select("Value")
+                .ToDynamicArray();
+
+            Console.WriteLine("#907 and #912 = {0}", string.Join(", ", dynamicResult));
+        }
     }
 }

src-console/ConsoleApp_net6.0/Program.cs

@@ -33,7 +33,6 @@ public class GroupedSalesData
     public string Region { get; set; }
     public string? Product { get; set; }
     public int TotalSales { get; set; }
-
     public int GroupLevel { get; set; }
 }
 
@@ -83,14 +82,14 @@ private static void Q912()
         // GROUPING SET 1: (Region, Product)
         var detailed = rows
             .GroupBy("new (Region, Product)")
-            .Select("new (Key.Region as Region, Key.Product as Product, Sum(Convert.ToInt32(Sales)) as TotalSales, 0 as GroupLevel)");
+            .Select<GroupedSalesData>("new (Key.Region as Region, Key.Product as Product, Sum(Convert.ToInt32(Sales)) as TotalSales, 0 as GroupLevel)");
 
         // GROUPING SET 2: (Region)
         var regionSubtotal = rows
             .GroupBy("Region")
-            .Select("new (Key as Region, null as Product, Sum(Convert.ToInt32(Sales)) as TotalSales, 1 as GroupLevel)");
+            .Select<GroupedSalesData>("new (Key as Region, null as Product, Sum(Convert.ToInt32(Sales)) as TotalSales, 1 as GroupLevel)");
 
-        var combined = detailed.ToDynamicArray().Concat(regionSubtotal.ToDynamicArray()).AsQueryable();
+        var combined = detailed.Concat(regionSubtotal).AsQueryable();
         var ordered = combined.OrderBy("Product").ToDynamicList();
 
         int x = 9;

test/System.Linq.Dynamic.Core.Tests/EntitiesTests.Select.cs

@@ -1,5 +1,6 @@
 using System.Collections;
 using System.Linq.Dynamic.Core.Exceptions;
+using FluentAssertions;
 using Newtonsoft.Json;
 #if EFCORE
 using Microsoft.EntityFrameworkCore;
@@ -142,4 +143,25 @@ public void Entities_Select_DynamicClass_And_Call_Any()
         // Assert
         Assert.True(result);
     }
+
+    /// <summary>
+    /// #907
+    /// </summary>
+    [Fact]
+    public void Entities_Select_DynamicClass_And_Select_DynamicClass()
+    {
+        // Act
+        var dynamicData = _context.Blogs
+            .Take(2)
+            .Select("new (BlogId as I, Name as N)")
+            .ToDynamicArray();
+
+        // Assert
+        var dynamicResult = dynamicData
+            .AsQueryable()
+            .Select("I")
+            .ToDynamicArray();
+
+        dynamicResult.Should().BeEquivalentTo([1000, 1001]);
+    }
 }