natsdotnet/tests/NATS.E2E.Tests/Infrastructure/MonitorServerFixture.cs

using NATS.Client.Core;
using System.Net.Http;

namespace NATS.E2E.Tests.Infrastructure;

public sealed class MonitorServerFixture : IAsyncLifetime
{
    private NatsServerProcess _server = null!;

    public int Port => _server.Port;

    public int MonitorPort => _server.MonitorPort!.Value;

    public HttpClient MonitorClient { get; private set; } = null!;

    public async Task InitializeAsync()
    {
        _server = new NatsServerProcess(enableMonitoring: true);
        await _server.StartAsync();
        MonitorClient = new HttpClient { BaseAddress = new Uri($"http://127.0.0.1:{MonitorPort}") };
    }

    public async Task DisposeAsync()
    {
        MonitorClient?.Dispose();
        await _server.DisposeAsync();
    }

    public NatsConnection CreateClient()
    {
        return new NatsConnection(new NatsOpts { Url = $"nats://127.0.0.1:{Port}" });
    }
}

[CollectionDefinition("E2E-Monitor")]
public class MonitorCollection : ICollectionFixture<MonitorServerFixture>;