aspnetcore/test/Common.FunctionalTests/OutOfProcess/AspNetCorePortTests.cs

90 lines
3.3 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Net;
using System.Net.Sockets;
using System.Threading.Tasks;
using Xunit;
using Microsoft.AspNetCore.Server.IIS.FunctionalTests.Utilities;
using Microsoft.AspNetCore.Server.IntegrationTesting;
using Microsoft.AspNetCore.Testing.xunit;
namespace Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests
{
[Collection(PublishedSitesCollection.Name)]
public class AspNetCorePortTests : IISFunctionalTestBase
{
private static readonly Random _random = new Random();
private readonly PublishedSitesFixture _fixture;
public AspNetCorePortTests(PublishedSitesFixture fixture)
{
_fixture = fixture;
}
public static TestMatrix TestVariants
=> TestMatrix.ForServers(DeployerSelector.ServerType)
.WithTfms(Tfm.NetCoreApp22)
.WithApplicationTypes(ApplicationType.Portable)
.WithAllAncmVersions();
[ConditionalTheory]
[MemberData(nameof(TestVariants))]
public async Task EnvVarInWebConfig(TestVariant variant)
{
// Must publish to set env vars in web.config
var deploymentParameters = _fixture.GetBaseDeploymentParameters(variant, publish: true);
var port = GetUnusedRandomPort();
deploymentParameters.WebConfigBasedEnvironmentVariables["ASPNETCORE_PORT"] = port.ToString();
var deploymentResult = await DeployAsync(deploymentParameters);
var response = await deploymentResult.HttpClient.GetAsync("/ServerAddresses");
var responseText = await response.Content.ReadAsStringAsync();
Assert.Equal(port, new Uri(responseText).Port);
}
private static int GetUnusedRandomPort()
{
// Port range allowed by ANCM config
const int minPort = 1025;
const int maxPort = 48000;
// Large number of retries to prevent test failures due to port collisions, but not infinite
// to prevent infinite loop in case Bind() fails repeatedly for some other reason.
const int retries = 100;
List<Exception> exceptions = null;
for (var i = 0; i < retries; i++)
{
var port = _random.Next(minPort, maxPort);
using (var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
try
{
socket.Bind(new IPEndPoint(IPAddress.Loopback, port));
return port;
}
catch (Exception e)
{
// Bind failed, most likely because port is in use. Save exception and retry.
if (exceptions == null)
{
exceptions = new List<Exception>(retries);
}
exceptions.Add(e);
}
}
}
throw new AggregateException($"Unable to find unused random port after {retries} retries.", exceptions);
}
}
}