Restructure capability test into dedicated directory with expanded coverage

Author: mrnlts

test/OpenApiTests/AttributeTypes/AttributeCapabilitiesTests.cs

@@ -14,9 +14,6 @@ namespace OpenApiTests.AttributeTypes;
 public sealed class AttributeTypesDbContext(DbContextOptions<AttributeTypesDbContext> options)
     : TestableDbContext(options)
 {
-    public DbSet<Author> Authors => Set<Author>();
-    public DbSet<Book> Books => Set<Book>();
-    public DbSet<Review> Reviews => Set<Review>();
     public DbSet<TypeContainer> TypeContainers => Set<TypeContainer>();
 
     protected override void ConfigureConventions(ModelConfigurationBuilder builder)

test/OpenApiTests/AttributeTypes/AttributeTypesDbContext.cs

@@ -0,0 +1,25 @@
+using JetBrains.Annotations;
+using JsonApiDotNetCore.Resources;
+using JsonApiDotNetCore.Resources.Annotations;
+
+namespace OpenApiTests.Capabilities;
+
+[UsedImplicitly(ImplicitUseTargetFlags.Members)]
+[Resource(ControllerNamespace = "OpenApiTests.Capabilities")]
+public sealed class Article : Identifiable<long>
+{
+    [Attr]
+    public string Headline { get; set; } = null!;
+
+    [HasOne(Capabilities = HasOneCapabilities.AllowSet)]
+    public Writer? Writer { get; set; }
+
+    [HasMany(Capabilities = HasManyCapabilities.AllowView)]
+    public ISet<Category> Categories { get; set; } = new HashSet<Category>();
+
+    [HasMany(Capabilities = HasManyCapabilities.AllowAdd)]
+    public ISet<Tag> Tags { get; set; } = new HashSet<Tag>();
+
+    [HasMany(Capabilities = HasManyCapabilities.AllowRemove)]
+    public ISet<Comment> Comments { get; set; } = new HashSet<Comment>();
+}