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Add tests.
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‎Directory.Packages.props

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<Project>
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<PropertyGroup>
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<ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
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</PropertyGroup>
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<ItemGroup>
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<PackageVersion Include="AutoMapper" Version="13.0.1" />
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<PackageVersion Include="JsonPatch.Net" Version="2.1.0" />
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<GlobalPackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0" />
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</ItemGroup>
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<Project>
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<PropertyGroup>
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<ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
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</PropertyGroup>
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<ItemGroup>
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<PackageVersion Include="AutoMapper" Version="13.0.1" />
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<PackageVersion Include="BouncyCastle.Cryptography" Version="2.5.0" />
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<PackageVersion Include="FluentAssertions" Version="7.0.0" />
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<PackageVersion Include="Fractions" Version="7.3.0" />
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<PackageVersion Include="IdentityModel.OidcClient" Version="6.0.0" />
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<PackageVersion Include="JsonPatch.Net" Version="2.1.0" />
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<PackageVersion Include="MartinCostello.Logging.XUnit" Version="0.5.1" />
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<PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="9.0.0" />
14+
<PackageVersion Include="Microsoft.Extensions.Hosting" Version="9.0.0" />
15+
<PackageVersion Include="Microsoft.Extensions.Logging" Version="9.0.0" />
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<PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
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<PackageVersion Include="Microsoft.TestPlatform.ObjectModel" Version="17.12.0" />
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<PackageVersion Include="Moq" Version="4.20.72" />
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<PackageVersion Include="Nito.AsyncEx" Version="5.1.2" />
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<PackageVersion Include="Nito.AsyncEx.Coordination" Version="5.1.2" />
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<PackageVersion Include="OpenTelemetry.Exporter.Console" Version="1.7.0" />
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<PackageVersion Include="SharpZipLib" Version="1.4.2" />
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<PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="9.0.0" />
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<PackageVersion Include="System.IdentityModel.Tokens.Jwt" Version="8.3.0" />
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<PackageVersion Include="System.IO.Abstractions.TestingHelpers" Version="21.2.1" />
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<PackageVersion Include="System.Reactive" Version="6.0.1" />
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<PackageVersion Include="System.Text.Json" Version="9.0.0" />
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<PackageVersion Include="Vecc.YamlDotNet.Analyzers.StaticGenerator" Version="16.3.0" />
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<PackageVersion Include="Wiremock.Net" Version="1.7.4" />
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<PackageVersion Include="xunit" Version="2.9.2" />
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<PackageVersion Include="xunit.runner.visualstudio" Version="3.0.0" />
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<PackageVersion Include="YamlDotNet" Version="16.3.0" />
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</ItemGroup>
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<ItemGroup>
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<PackageVersion Include="Autofac" Version="8.2.0" />
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<PackageVersion Include="CaseExtensions" Version="1.1.0" />
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<PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.4.0" />
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<PackageVersion Include="Namotion.Reflection" Version="3.0.1" />
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<PackageVersion Include="Scriban" Version="5.9.1" />
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</ItemGroup>
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<ItemGroup>
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<GlobalPackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0" />
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<GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
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<GlobalPackageReference Include="Microsoft.VisualStudio.SlnGen" Version="12.0.3" />
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<GlobalPackageReference Include="Nerdbank.GitVersioning" Version="3.7.112" />
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<GlobalPackageReference Include="StyleCop.Analyzers" Version="1.1.118" />
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</ItemGroup>
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</Project>

‎tests/KubernetesClient.Tests/KubernetesClient.Tests.csproj

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<PackageReference Include="System.Reactive" />
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<PackageReference Include="Nito.AsyncEx" />
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<PackageReference Include="Portable.BouncyCastle" />
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<PackageReference Include="Wiremock.Net" />
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</ItemGroup>
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<ItemGroup>

‎tests/KubernetesClient.Tests/OidcAuthTests.cs

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using FluentAssertions;
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using k8s.Authentication;
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using k8s.Exceptions;
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using System;
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using System.Net;
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using System.Threading;
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using System.Threading.Tasks;
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using WireMock.Server;
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using WireMock.RequestBuilders;
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using WireMock.ResponseBuilders;
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using Xunit;
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namespace k8s.Tests
@@ -53,5 +58,87 @@ public async Task TestOidcAuth()
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Assert.StartsWith("Unable to refresh OIDC token.", e.Message);
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}
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}
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[Fact]
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public async Task TestOidcAuthWithWireMock()
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{
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// Arrange
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var server = WireMockServer.Start();
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var idpIssuerUrl = server.Url + "/token";
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var clientId = "CLIENT_ID";
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var clientSecret = "CLIENT_SECRET";
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var expiredIdToken = "eyJhbGciOiJIUzI1NiJ9.eyJleHAiOjB9.f37LFpIw_XIS5TZt3wdtEjjyCNshYy03lOWpyDViRM0";
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var refreshToken = "REFRESH_TOKEN";
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var newIdToken = "NEW_ID_TOKEN";
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var expiresIn = 3600;
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// Simulate a successful token refresh response
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server
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.Given(Request.Create().WithPath("/token").UsingPost())
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.RespondWith(Response.Create()
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.WithStatusCode(HttpStatusCode.OK)
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.WithBody($@"{{
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""id_token"": ""{newIdToken}"",
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""refresh_token"": ""{refreshToken}"",
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""expires_in"": {expiresIn}
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}}"));
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var auth = new OidcTokenProvider(clientId, clientSecret, idpIssuerUrl, expiredIdToken, refreshToken);
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// Act
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var result = await auth.GetAuthenticationHeaderAsync(CancellationToken.None);
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// Assert
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result.Scheme.Should().Be("Bearer");
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result.Parameter.Should().Be(newIdToken);
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// Verify that the expiry is set correctly
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var expectedExpiry = DateTimeOffset.UtcNow.AddSeconds(expiresIn);
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var actualExpiry = typeof(OidcTokenProvider)
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.GetField("_expiry", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance)
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?.GetValue(auth) as DateTimeOffset?;
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actualExpiry.Should().NotBeNull();
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actualExpiry.Value.Should().BeCloseTo(expectedExpiry, precision: TimeSpan.FromSeconds(5));
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// Verify that the refresh token is set correctly
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var actualRefreshToken = typeof(OidcTokenProvider)
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.GetField("_refreshToken", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance)
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?.GetValue(auth) as string;
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actualRefreshToken.Should().NotBeNull();
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actualRefreshToken.Should().Be(refreshToken);
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// Stop the server
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server.Stop();
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}
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[Fact]
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public async Task TestOidcAuthWithServerError()
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{
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// Arrange
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var server = WireMockServer.Start();
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var idpIssuerUrl = server.Url + "/token";
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var clientId = "CLIENT_ID";
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var clientSecret = "CLIENT_SECRET";
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var expiredIdToken = "eyJhbGciOiJIUzI1NiJ9.eyJleHAiOjB9.f37LFpIw_XIS5TZt3wdtEjjyCNshYy03lOWpyDViRM0";
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var refreshToken = "REFRESH_TOKEN";
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// Simulate a server error response
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server
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.Given(Request.Create().WithPath("/token").UsingPost())
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.RespondWith(Response.Create()
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.WithStatusCode(HttpStatusCode.InternalServerError)
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.WithBody(@"{ ""error"": ""server_error"" }"));
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var auth = new OidcTokenProvider(clientId, clientSecret, idpIssuerUrl, expiredIdToken, refreshToken);
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// Act & Assert
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var exception = await Assert.ThrowsAsync<KubernetesClientException>(
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() => auth.GetAuthenticationHeaderAsync(CancellationToken.None));
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exception.Message.Should().StartWith("Unable to refresh OIDC token.");
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exception.InnerException.Message.Should().Contain("500");
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// Stop the server
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server.Stop();
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}
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}
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}

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