Fixed compile and test issues

src/CookieCrumble/src/CookieCrumble/QueryInfo.cs

@@ -2,7 +2,7 @@ namespace CookieCrumble;
 
 public sealed class QueryInfo
 {
-    public required string QueryText { get; init; }
+    public string QueryText { get; init; } = default!;
 
-    public required string ExpressionText { get; init; }
+    public string ExpressionText { get; init; } = default!;
 }

src/HotChocolate/Core/src/Execution/Projections/TypeContainer.cs

@@ -1,3 +1,4 @@
+#if NET6_0_OR_GREATER
 namespace HotChocolate.Execution.Projections;
 
 internal class TypeContainer(List<TypeNode>? nodes = null)
@@ -53,3 +54,4 @@ public void Seal()
         }
     }
 }
+#endif

src/HotChocolate/Core/test/Execution.Tests/Projections/ProjectableDataLoaderTests.cs

@@ -80,7 +80,11 @@ public async Task Brand_With_Name_Selector_is_Null()
                 }
                 """);
 
+#if NET8_0_OR_GREATER
         Snapshot.Create()
+#else
+        Snapshot.Create(postFix: "NET7_0")
+#endif
             .AddSql(queries)
             .AddResult(result)
             .MatchMarkdownSnapshot();
@@ -502,7 +506,11 @@ public async Task Brand_Details_Requires_Brand_Name_With_Proper_Type()
                 }
                 """);
 
+#if NET8_0_OR_GREATER
         Snapshot.Create()
+#else
+        Snapshot.Create(postFix: "NET7_0")
+#endif
             .AddSql(queries)
             .AddResult(result)
             .MatchMarkdownSnapshot();
@@ -534,7 +542,11 @@ public async Task Brand_Details_Requires_Brand_Name_With_Proper_Type_With_Explic
                 }
                 """);
 
+#if NET8_0_OR_GREATER
         Snapshot.Create()
+#else
+        Snapshot.Create(postFix: "NET7_0")
+#endif
             .AddSql(queries)
             .AddResult(result)
             .MatchMarkdownSnapshot();

src/HotChocolate/Core/test/Execution.Tests/Projections/__snapshots__/ProjectableDataLoaderTests.Brand_Details_Requires_Brand_Name_With_Proper_Type_NET7_0.md

@@ -0,0 +1,22 @@
+# Brand_Details_Requires_Brand_Name_With_Proper_Type
+
+## SQL
+
+```text
+SELECT b."Name", b."Id"
+FROM "Brands" AS b
+WHERE b."Id" = 1
+```
+
+## Result
+
+```json
+{
+  "data": {
+    "brandById": {
+      "details": "Brand Name:Brand0"
+    }
+  }
+}
+```
+

src/HotChocolate/Core/test/Execution.Tests/Projections/__snapshots__/ProjectableDataLoaderTests.Brand_Details_Requires_Brand_Name_With_Proper_Type_With_Explicit_Generic_NET7_0.md

@@ -0,0 +1,22 @@
+# Brand_Details_Requires_Brand_Name_With_Proper_Type_With_Explicit_Generic
+
+## SQL
+
+```text
+SELECT b."Name", b."Id"
+FROM "Brands" AS b
+WHERE b."Id" = 1
+```
+
+## Result
+
+```json
+{
+  "data": {
+    "brandById": {
+      "details": "Brand Name:Brand0"
+    }
+  }
+}
+```
+

src/HotChocolate/Core/test/Execution.Tests/Projections/__snapshots__/ProjectableDataLoaderTests.Brand_With_Name_Selector_is_Null_NET7_0.md

@@ -0,0 +1,22 @@
+# Brand_With_Name_Selector_is_Null
+
+## SQL
+
+```text
+SELECT b."Id", b."DisplayName", b."Name", b."Details_Country_Name"
+FROM "Brands" AS b
+WHERE b."Id" = 1
+```
+
+## Result
+
+```json
+{
+  "data": {
+    "brandByIdSelectorNull": {
+      "name": "Brand0"
+    }
+  }
+}
+```
+

src/HotChocolate/Core/test/Types.Mutations.Tests/AnnotationBasedMutations.cs

@@ -1297,7 +1297,7 @@ public FieldResult<int, ExplicitCustomError> DoSomething(int status)
 
     public sealed class ExplicitCustomError
     {
-        public required string Message { get; set; }
+        public string Message { get; set; } = default!;
     }
 
     public class SimpleMutation

src/HotChocolate/Pagination/test/Pagination.EntityFramework.Tests/InterfaceIntegrationTests.cs

@@ -66,7 +66,13 @@ public async Task Query_Owner_Animals()
 
         var operationResult = result.ExpectOperationResult();
 
+#if NET6_0
+        await Snapshot.Create("NET_6_0")
+#elif NET7_0
+        await Snapshot.Create("NET_7_0")
+#else
         await Snapshot.Create()
+#endif
             .AddQueries(queries)
             .Add(operationResult.WithExtensions(ImmutableDictionary<string, object?>.Empty))
             .MatchMarkdownAsync();
@@ -121,13 +127,18 @@ ... on Cat {
 
         var operationResult = result.ExpectOperationResult();
 
+#if NET6_0
+        await Snapshot.Create("NET_6_0")
+#elif NET7_0
+        await Snapshot.Create("NET_7_0")
+#else
         await Snapshot.Create()
+#endif
             .AddQueries(queries)
             .Add(operationResult.WithExtensions(ImmutableDictionary<string, object?>.Empty))
             .MatchMarkdownAsync();
     }
 
-
     private static async Task SeedAsync(string connectionString)
     {
         await using var context = new AnimalContext(connectionString);

src/HotChocolate/Pagination/test/Pagination.EntityFramework.Tests/TestContext/AnimalContext.cs

@@ -6,9 +6,9 @@ namespace HotChocolate.Data.TestContext;
 
 public class AnimalContext(string connectionString) : DbContext
 {
-    public DbSet<Owner> Owners { get; set; }
-    public DbSet<Dog> Dogs { get; set; }
-    public DbSet<Cat> Cats { get; set; }
+    public DbSet<Owner> Owners { get; set; } = default!;
+    public DbSet<Dog> Dogs { get; set; } = default!;
+    public DbSet<Cat> Cats { get; set; } = default!;
 
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         => optionsBuilder.UseNpgsql(connectionString);
@@ -35,7 +35,7 @@ public class Owner
     public int Id { get; set; }
 
     [MaxLength(100)]
-    public required string Name { get; set; }
+    public string Name { get; set; } = default!;
 
     public List<Animal> Pets { get; set; } = new();
 }
@@ -46,7 +46,7 @@ public abstract class Animal
     public int Id { get; set; }
 
     [MaxLength(100)]
-    public required string Name { get; set; }
+    public string Name { get; set; } = default!;
 
     public int OwnerId { get; set; }
 

src/HotChocolate/Pagination/test/Pagination.EntityFramework.Tests/__snapshots__/InterfaceIntegrationTests.Query_Owner_Animals_NET_6_0.md

@@ -0,0 +1,147 @@
+# Query_Owner_Animals
+
+## SQL 0
+
+```sql
+SELECT o."Id", o."Name"
+FROM "Owners" AS o
+ORDER BY o."Name", o."Id"
+```
+
+## Expression 0
+
+```text
+[Microsoft.EntityFrameworkCore.Query.QueryRootExpression].Select(root => new Owner() {Id = root.Id, Name = IIF((root.Name == null), null, root.Name)}).OrderBy(t => t.Name).ThenBy(t => t.Id)
+```
+
+## SQL 1
+
+```sql
+SELECT a."Id", a."AnimalType", a."Name", a."OwnerId", a."IsPurring", a."IsBarking"
+FROM "Owners" AS o
+INNER JOIN "Animal" AS a ON o."Id" = a."OwnerId"
+WHERE o."Id" IN (6, 5, 4, 3, 2, 1)
+ORDER BY a."Name", a."Id"
+```
+
+## Expression 1
+
+```text
+[Microsoft.EntityFrameworkCore.Query.QueryRootExpression].Where(t => value(HotChocolate.Data.InterfaceIntegrationTests+AnimalsByOwnerDataLoader+<>c__DisplayClass2_0).keys.Contains(t.Id)).SelectMany(t => t.Pets).OrderBy(t => t.Name).ThenBy(t => t.Id)
+```
+
+## Result 5
+
+```json
+{
+  "data": {
+    "owners": {
+      "nodes": [
+        {
+          "id": 1,
+          "name": "Owner 1",
+          "pets": {
+            "nodes": [
+              {
+                "__typename": "Cat",
+                "id": 1,
+                "name": "Cat 1"
+              },
+              {
+                "__typename": "Dog",
+                "id": 5,
+                "name": "Dog 1"
+              },
+              {
+                "__typename": "Dog",
+                "id": 6,
+                "name": "Dog 2"
+              }
+            ]
+          }
+        },
+        {
+          "id": 2,
+          "name": "Owner 2",
+          "pets": {
+            "nodes": [
+              {
+                "__typename": "Cat",
+                "id": 2,
+                "name": "Cat 2"
+              },
+              {
+                "__typename": "Dog",
+                "id": 7,
+                "name": "Dog 3"
+              },
+              {
+                "__typename": "Dog",
+                "id": 8,
+                "name": "Dog 4"
+              }
+            ]
+          }
+        },
+        {
+          "id": 3,
+          "name": "Owner 3",
+          "pets": {
+            "nodes": [
+              {
+                "__typename": "Cat",
+                "id": 3,
+                "name": "Cat 3 (Not Pure)"
+              },
+              {
+                "__typename": "Dog",
+                "id": 9,
+                "name": "Dog 5"
+              },
+              {
+                "__typename": "Dog",
+                "id": 10,
+                "name": "Dog 6"
+              }
+            ]
+          }
+        },
+        {
+          "id": 4,
+          "name": "Owner 4 - No Pets",
+          "pets": {
+            "nodes": []
+          }
+        },
+        {
+          "id": 5,
+          "name": "Owner 5 - Only Cat",
+          "pets": {
+            "nodes": [
+              {
+                "__typename": "Cat",
+                "id": 4,
+                "name": "Only Cat"
+              }
+            ]
+          }
+        },
+        {
+          "id": 6,
+          "name": "Owner 6 - Only Dog",
+          "pets": {
+            "nodes": [
+              {
+                "__typename": "Dog",
+                "id": 11,
+                "name": "Only Dog"
+              }
+            ]
+          }
+        }
+      ]
+    }
+  }
+}
+```
+