File: src\Servers\Kestrel\shared\test\TransportTestHelpers\IHostPortExtensions.cs
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Project: src\src\Servers\Kestrel\test\Interop.FunctionalTests\Interop.FunctionalTests.csproj (Interop.FunctionalTests)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using Microsoft.AspNetCore.Hosting.Server;
using Microsoft.AspNetCore.Hosting.Server.Features;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
 
namespace Microsoft.AspNetCore.Hosting;
 
public static class IHostPortExtensions
{
    public static int GetPort(this IHost host)
    {
        return host.GetPorts().First();
    }
 
    public static IEnumerable<int> GetPorts(this IHost host)
    {
        return host.GetUris()
            .Select(u => u.Port);
    }
 
    public static IEnumerable<Uri> GetUris(this IHost host)
    {
        return host.Services.GetRequiredService<IServer>().Features.Get<IServerAddressesFeature>().Addresses
            .Select(a => new Uri(a));
    }
 
    public static string MakeUrl(this IHost host, string scheme)
    {
        return $"{scheme}://127.0.0.1:{host.GetPort().ToString(CultureInfo.InvariantCulture)}/";
    }
}