test: Add test to verify key created with openssl 3.1 is working. Verify key types in both tests

Author: zuntio

tests/Testcontainers.Tests/Fixtures/Containers/Unix/DockerMTls.cs

@@ -1,7 +1,9 @@
 namespace DotNet.Testcontainers.Tests.Fixtures
 {
   using System.Collections.Generic;
+  using System.IO;
   using DotNet.Testcontainers.Builders;
+  using Org.BouncyCastle.OpenSsl;
 
   public abstract class DockerMTls : ProtectDockerDaemonSocket
   {
@@ -10,6 +12,15 @@ public DockerMTls(string dockerImageVersion)
     {
     }
 
+    public object ClientCertificateKey()
+    {
+      var path = Path.Combine(_hostCertsDirectoryPath, "client", "key.pem");
+      using (var keyFileStream = new StreamReader(path))
+      {
+        return new PemReader(keyFileStream).ReadObject();
+      }
+    }
+
     public override IList<string> CustomProperties
     {
       get

tests/Testcontainers.Tests/Fixtures/Containers/Unix/OpenSsl3_1Fixture.cs

@@ -0,0 +1,13 @@
+namespace DotNet.Testcontainers.Tests.Fixtures
+{
+  using JetBrains.Annotations;
+
+  [UsedImplicitly]
+  public sealed class OpenSsl3_1Fixture : DockerMTls
+  {
+    public const string DockerVersion = "24.0.5";
+    public OpenSsl3_1Fixture() : base(DockerVersion)
+    {
+    }
+  }
+}

tests/Testcontainers.Tests/Fixtures/Containers/Unix/ProtectDockerDaemonSocket.cs

@@ -16,12 +16,12 @@ public abstract class ProtectDockerDaemonSocket : IAsyncLifetime
 
     private const ushort TlsPort = 2376;
 
-    private readonly string _hostCertsDirectoryPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("D"), CertsDirectoryName);
-
     private readonly string _containerCertsDirectoryPath = Path.Combine("/", CertsDirectoryName);
 
     private readonly IContainer _container;
 
+    protected readonly string _hostCertsDirectoryPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("D"), CertsDirectoryName);
+
     protected ProtectDockerDaemonSocket(ContainerBuilder containerConfiguration, string dockerImageVersion)
     {
       _container = containerConfiguration

tests/Testcontainers.Tests/Unit/Containers/Unix/ProtectDockerDaemonSocketTest.cs

@@ -8,6 +8,8 @@ namespace DotNet.Testcontainers.Tests.Unit
   using DotNet.Testcontainers.Configurations;
   using DotNet.Testcontainers.Tests.Fixtures;
   using Microsoft.Extensions.Logging.Abstractions;
+  using Org.BouncyCastle.Crypto;
+  using Org.BouncyCastle.Crypto.Parameters;
   using Xunit;
 
   public static class ProtectDockerDaemonSocketTest
@@ -20,10 +22,12 @@ private static IDockerEndpointAuthenticationConfiguration GetAuthConfig(ProtectD
 
     public sealed class MTlsOpenSsl1_1_1 : IClassFixture<OpenSsl1_1_1Fixture>
     {
+      private readonly OpenSsl1_1_1Fixture _fixture;
       private readonly IDockerEndpointAuthenticationConfiguration _authConfig;
 
       public MTlsOpenSsl1_1_1(OpenSsl1_1_1Fixture dockerMTlsFixture)
       {
+        _fixture = dockerMTlsFixture;
         _authConfig = GetAuthConfig(dockerMTlsFixture);
       }
 
@@ -35,9 +39,38 @@ public async Task GetVersionReturnsVersion()
         // When
         var version = await client.System.GetVersionAsync()
           .ConfigureAwait(false);
+        var key = _fixture.ClientCertificateKey();
 
         // Then
         Assert.Equal(OpenSsl1_1_1Fixture.DockerVersion, version.Version);
+        Assert.IsType<AsymmetricCipherKeyPair>(key);
+      }
+    }
+
+    public sealed class MTlsOpenSsl3_1 : IClassFixture<OpenSsl3_1Fixture>
+    {
+      private readonly OpenSsl3_1Fixture _fixture;
+      private readonly IDockerEndpointAuthenticationConfiguration _authConfig;
+
+      public MTlsOpenSsl3_1(OpenSsl3_1Fixture dockerMTlsFixture)
+      {
+        _fixture = dockerMTlsFixture;
+        _authConfig = GetAuthConfig(dockerMTlsFixture);
+      }
+
+      [Fact]
+      public async Task GetVersionReturnsVersion()
+      {
+        // Given
+        var client = new TestcontainersClient(Guid.Empty, _authConfig, NullLogger.Instance);
+        // When
+        var version = await client.System.GetVersionAsync()
+          .ConfigureAwait(false);
+        var key = _fixture.ClientCertificateKey();
+
+        // Then
+        Assert.Equal(OpenSsl3_1Fixture.DockerVersion, version.Version);
+        Assert.IsType<RsaPrivateCrtKeyParameters>(key);
       }
     }