// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DiagnosticAdapter;
 
namespace Microsoft.AspNetCore.MiddlewareAnalysis;
 
public class TestDiagnosticListener
{
    public IList<string> MiddlewareStarting { get; } = new List<string>();
    public IList<string> MiddlewareFinished { get; } = new List<string>();
    public IList<string> MiddlewareException { get; } = new List<string>();
 
    [DiagnosticName("Microsoft.AspNetCore.MiddlewareAnalysis.MiddlewareStarting")]
    public virtual void OnMiddlewareStarting(HttpContext httpContext, string name)
    {
        MiddlewareStarting.Add(name);
    }
 
    [DiagnosticName("Microsoft.AspNetCore.MiddlewareAnalysis.MiddlewareException")]
    public virtual void OnMiddlewareException(Exception exception, string name)
    {
        MiddlewareException.Add(name);
    }
 
    [DiagnosticName("Microsoft.AspNetCore.MiddlewareAnalysis.MiddlewareFinished")]
    public virtual void OnMiddlewareFinished(HttpContext httpContext, string name)
    {
        MiddlewareFinished.Add(name);
    }
}