Invoke virtual (#738)

Author: sungam3r

src/Transports.AspNetCore/GraphQLHttpMiddleware.cs

@@ -38,7 +38,7 @@ public GraphQLHttpMiddleware(IGraphQLTextSerializer serializer)
             _serializer = serializer;
         }
 
-        public async Task InvokeAsync(HttpContext context, RequestDelegate next)
+        public virtual async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
             if (context.WebSockets.IsWebSocketRequest)
             {

src/Transports.Subscriptions.WebSockets/GraphQLWebSocketsMiddleware.cs

@@ -22,7 +22,7 @@ public GraphQLWebSocketsMiddleware(ILogger<GraphQLWebSocketsMiddleware<TSchema>>
             _logger = logger;
         }
 
-        public async Task InvokeAsync(HttpContext context, RequestDelegate next)
+        public virtual async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
             using (_logger.BeginScope(new Dictionary<string, object>
             {

tests/ApiApprovalTests/GraphQL.Server.Transports.AspNetCore.approved.txt

@@ -32,7 +32,7 @@ namespace GraphQL.Server.Transports.AspNetCore
         protected virtual System.Threading.Tasks.Task HandleInvalidHttpMethodErrorAsync(Microsoft.AspNetCore.Http.HttpContext context) { }
         protected virtual System.Threading.Tasks.Task HandleNoQueryErrorAsync(Microsoft.AspNetCore.Http.HttpContext context) { }
         protected virtual System.Threading.Tasks.Task HandleRequestAsync(Microsoft.AspNetCore.Http.HttpContext context, Microsoft.AspNetCore.Http.RequestDelegate next, System.Collections.Generic.IDictionary<string, object> userContext, GraphQL.Transport.GraphQLRequest[] bodyGQLBatchRequest, GraphQL.Transport.GraphQLRequest gqlRequest, GraphQL.Server.IGraphQLExecuter<TSchema> executer, System.Threading.CancellationToken cancellationToken) { }
-        public System.Threading.Tasks.Task InvokeAsync(Microsoft.AspNetCore.Http.HttpContext context, Microsoft.AspNetCore.Http.RequestDelegate next) { }
+        public virtual System.Threading.Tasks.Task InvokeAsync(Microsoft.AspNetCore.Http.HttpContext context, Microsoft.AspNetCore.Http.RequestDelegate next) { }
         protected virtual System.Threading.Tasks.Task RequestExecutedAsync(in GraphQL.Server.Transports.AspNetCore.GraphQLRequestExecutionResult requestExecutionResult) { }
         protected virtual System.Threading.Tasks.Task RequestExecutingAsync(GraphQL.Transport.GraphQLRequest request, int? indexInBatch = default) { }
         protected virtual System.Threading.Tasks.Task WriteErrorResponseAsync(Microsoft.AspNetCore.Http.HttpContext context, string errorMessage, System.Net.HttpStatusCode httpStatusCode) { }

tests/ApiApprovalTests/GraphQL.Server.Transports.Subscriptions.WebSockets.approved.txt

@@ -16,7 +16,7 @@ namespace GraphQL.Server.Transports.WebSockets
         where TSchema : GraphQL.Types.ISchema
     {
         public GraphQLWebSocketsMiddleware(Microsoft.Extensions.Logging.ILogger<GraphQL.Server.Transports.WebSockets.GraphQLWebSocketsMiddleware<TSchema>> logger) { }
-        public System.Threading.Tasks.Task InvokeAsync(Microsoft.AspNetCore.Http.HttpContext context, Microsoft.AspNetCore.Http.RequestDelegate next) { }
+        public virtual System.Threading.Tasks.Task InvokeAsync(Microsoft.AspNetCore.Http.HttpContext context, Microsoft.AspNetCore.Http.RequestDelegate next) { }
     }
     public interface IWebSocketConnectionFactory<TSchema>
         where TSchema : GraphQL.Types.ISchema