Rename Vexer to Excititor
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master
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using System;
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using System.Net;
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using System.Net.Http;
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using System.Text;
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using System.Threading;
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using FluentAssertions;
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using Microsoft.Extensions.Caching.Memory;
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using Microsoft.Extensions.Logging.Abstractions;
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using StellaOps.Excititor.Connectors.SUSE.RancherVEXHub.Authentication;
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using StellaOps.Excititor.Connectors.SUSE.RancherVEXHub.Configuration;
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using Xunit;
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namespace StellaOps.Excititor.Connectors.SUSE.RancherVEXHub.Tests.Authentication;
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public sealed class RancherHubTokenProviderTests
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{
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private const string TokenResponse = "{\"access_token\":\"abc123\",\"token_type\":\"Bearer\",\"expires_in\":3600}";
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[Fact]
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public async Task GetAccessTokenAsync_RequestsAndCachesToken()
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{
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var handler = TestHttpMessageHandler.RespondWith(request =>
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{
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request.Headers.Authorization.Should().NotBeNull();
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request.Content.Should().NotBeNull();
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return new HttpResponseMessage(HttpStatusCode.OK)
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{
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Content = new StringContent(TokenResponse, Encoding.UTF8, "application/json"),
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};
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});
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var client = new HttpClient(handler)
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{
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BaseAddress = new Uri("https://identity.suse.com"),
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};
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var factory = new SingleClientHttpClientFactory(client);
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var cache = new MemoryCache(new MemoryCacheOptions());
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var provider = new RancherHubTokenProvider(factory, cache, NullLogger<RancherHubTokenProvider>.Instance);
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var options = new RancherHubConnectorOptions
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{
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ClientId = "client",
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ClientSecret = "secret",
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TokenEndpoint = new Uri("https://identity.suse.com/oauth/token"),
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Audience = "https://vexhub.suse.com",
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};
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options.Scopes.Clear();
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options.Scopes.Add("hub.read");
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options.Scopes.Add("hub.events");
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var token = await provider.GetAccessTokenAsync(options, CancellationToken.None);
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token.Should().NotBeNull();
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token!.Value.Should().Be("abc123");
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var cached = await provider.GetAccessTokenAsync(options, CancellationToken.None);
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cached.Should().NotBeNull();
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handler.InvocationCount.Should().Be(1);
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}
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[Fact]
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public async Task GetAccessTokenAsync_ReturnsNullWhenOfflinePreferred()
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{
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var handler = TestHttpMessageHandler.RespondWith(_ => new HttpResponseMessage(HttpStatusCode.OK));
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var client = new HttpClient(handler)
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{
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BaseAddress = new Uri("https://identity.suse.com"),
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};
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var factory = new SingleClientHttpClientFactory(client);
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var cache = new MemoryCache(new MemoryCacheOptions());
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var provider = new RancherHubTokenProvider(factory, cache, NullLogger<RancherHubTokenProvider>.Instance);
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var options = new RancherHubConnectorOptions
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{
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PreferOfflineSnapshot = true,
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ClientId = "client",
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ClientSecret = "secret",
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TokenEndpoint = new Uri("https://identity.suse.com/oauth/token"),
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};
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var token = await provider.GetAccessTokenAsync(options, CancellationToken.None);
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token.Should().BeNull();
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handler.InvocationCount.Should().Be(0);
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}
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[Fact]
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public async Task GetAccessTokenAsync_ReturnsNullWithoutCredentials()
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{
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var handler = TestHttpMessageHandler.RespondWith(_ => new HttpResponseMessage(HttpStatusCode.OK));
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var client = new HttpClient(handler)
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{
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BaseAddress = new Uri("https://identity.suse.com"),
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};
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var factory = new SingleClientHttpClientFactory(client);
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var cache = new MemoryCache(new MemoryCacheOptions());
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var provider = new RancherHubTokenProvider(factory, cache, NullLogger<RancherHubTokenProvider>.Instance);
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var options = new RancherHubConnectorOptions();
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var token = await provider.GetAccessTokenAsync(options, CancellationToken.None);
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token.Should().BeNull();
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handler.InvocationCount.Should().Be(0);
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}
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private sealed class SingleClientHttpClientFactory : IHttpClientFactory
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{
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private readonly HttpClient _client;
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public SingleClientHttpClientFactory(HttpClient client)
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{
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_client = client;
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}
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public HttpClient CreateClient(string name) => _client;
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}
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private sealed class TestHttpMessageHandler : HttpMessageHandler
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{
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private readonly Func<HttpRequestMessage, HttpResponseMessage> _responseFactory;
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private TestHttpMessageHandler(Func<HttpRequestMessage, HttpResponseMessage> responseFactory)
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{
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_responseFactory = responseFactory;
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}
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public int InvocationCount { get; private set; }
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public static TestHttpMessageHandler RespondWith(Func<HttpRequestMessage, HttpResponseMessage> responseFactory)
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=> new(responseFactory);
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protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
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{
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InvocationCount++;
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return Task.FromResult(_responseFactory(request));
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}
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}
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}
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@@ -0,0 +1,178 @@
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using System;
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using System.Collections.Generic;
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using System.Net;
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using System.Net.Http;
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using System.Net.Http.Headers;
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using System.Text;
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using FluentAssertions;
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using Microsoft.Extensions.Caching.Memory;
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using Microsoft.Extensions.Logging.Abstractions;
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using StellaOps.Excititor.Connectors.SUSE.RancherVEXHub.Authentication;
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using StellaOps.Excititor.Connectors.SUSE.RancherVEXHub.Configuration;
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using StellaOps.Excititor.Connectors.SUSE.RancherVEXHub.Metadata;
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using System.IO.Abstractions.TestingHelpers;
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using System.Threading;
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using Xunit;
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namespace StellaOps.Excititor.Connectors.SUSE.RancherVEXHub.Tests.Metadata;
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public sealed class RancherHubMetadataLoaderTests
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{
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private const string SampleDiscovery = """
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{
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"hubId": "excititor:suse.rancher",
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"title": "SUSE Rancher VEX Hub",
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"subscription": {
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"eventsUri": "https://vexhub.suse.com/api/v1/events",
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"checkpointUri": "https://vexhub.suse.com/api/v1/checkpoints",
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"requiresAuthentication": true,
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"channels": ["rke2", "k3s"],
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"scopes": ["hub.read", "hub.events"]
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},
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"authentication": {
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"tokenUri": "https://identity.suse.com/oauth2/token",
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"audience": "https://vexhub.suse.com"
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},
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"offline": {
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"snapshotUri": "https://downloads.suse.com/vexhub/snapshot.json",
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"sha256": "deadbeef",
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"updated": "2025-10-10T12:00:00Z"
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}
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}
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""";
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[Fact]
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public async Task LoadAsync_FetchesAndCachesMetadata()
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{
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var handler = TestHttpMessageHandler.RespondWith(_ =>
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{
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var response = new HttpResponseMessage(HttpStatusCode.OK)
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{
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Content = new StringContent(SampleDiscovery, Encoding.UTF8, "application/json"),
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};
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response.Headers.ETag = new EntityTagHeaderValue("\"abc\"");
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return response;
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});
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var client = new HttpClient(handler)
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{
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BaseAddress = new Uri("https://vexhub.suse.com"),
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};
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var factory = new SingleClientHttpClientFactory(client);
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var cache = new MemoryCache(new MemoryCacheOptions());
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var fileSystem = new MockFileSystem();
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var offlinePath = fileSystem.Path.Combine(@"C:\offline", "rancher-hub.json");
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var options = new RancherHubConnectorOptions
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{
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DiscoveryUri = new Uri("https://vexhub.suse.com/.well-known/vex/rancher-hub.json"),
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OfflineSnapshotPath = offlinePath,
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};
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var tokenProvider = new RancherHubTokenProvider(factory, cache, NullLogger<RancherHubTokenProvider>.Instance);
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var loader = new RancherHubMetadataLoader(factory, cache, tokenProvider, fileSystem, NullLogger<RancherHubMetadataLoader>.Instance);
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var result = await loader.LoadAsync(options, CancellationToken.None);
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result.FromCache.Should().BeFalse();
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result.FromOfflineSnapshot.Should().BeFalse();
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result.Metadata.Provider.DisplayName.Should().Be("SUSE Rancher VEX Hub");
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result.Metadata.Subscription.EventsUri.Should().Be(new Uri("https://vexhub.suse.com/api/v1/events"));
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result.Metadata.Authentication.TokenEndpoint.Should().Be(new Uri("https://identity.suse.com/oauth2/token"));
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// Second call should be served from cache (no additional HTTP invocation).
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handler.ResetInvocationCount();
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await loader.LoadAsync(options, CancellationToken.None);
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handler.InvocationCount.Should().Be(0);
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}
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[Fact]
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public async Task LoadAsync_UsesOfflineSnapshotWhenNetworkFails()
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{
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var handler = TestHttpMessageHandler.RespondWith(_ => throw new HttpRequestException("network down"));
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var client = new HttpClient(handler)
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{
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BaseAddress = new Uri("https://vexhub.suse.com"),
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};
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var factory = new SingleClientHttpClientFactory(client);
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var cache = new MemoryCache(new MemoryCacheOptions());
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var fileSystem = new MockFileSystem();
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var offlinePath = fileSystem.Path.Combine(@"C:\offline", "rancher-hub.json");
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fileSystem.AddFile(offlinePath, new MockFileData(SampleDiscovery));
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var options = new RancherHubConnectorOptions
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{
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DiscoveryUri = new Uri("https://vexhub.suse.com/.well-known/vex/rancher-hub.json"),
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OfflineSnapshotPath = offlinePath,
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};
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var tokenProvider = new RancherHubTokenProvider(factory, cache, NullLogger<RancherHubTokenProvider>.Instance);
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var loader = new RancherHubMetadataLoader(factory, cache, tokenProvider, fileSystem, NullLogger<RancherHubMetadataLoader>.Instance);
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var result = await loader.LoadAsync(options, CancellationToken.None);
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result.FromOfflineSnapshot.Should().BeTrue();
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result.Metadata.Subscription.RequiresAuthentication.Should().BeTrue();
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result.Metadata.OfflineSnapshot.Should().NotBeNull();
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}
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[Fact]
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public async Task LoadAsync_ThrowsWhenOfflinePreferredButMissing()
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{
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var handler = TestHttpMessageHandler.RespondWith(_ => throw new HttpRequestException("network down"));
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var client = new HttpClient(handler)
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{
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BaseAddress = new Uri("https://vexhub.suse.com"),
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};
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var factory = new SingleClientHttpClientFactory(client);
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var cache = new MemoryCache(new MemoryCacheOptions());
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var fileSystem = new MockFileSystem();
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var options = new RancherHubConnectorOptions
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{
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DiscoveryUri = new Uri("https://vexhub.suse.com/.well-known/vex/rancher-hub.json"),
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OfflineSnapshotPath = "/offline/missing.json",
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PreferOfflineSnapshot = true,
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};
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var tokenProvider = new RancherHubTokenProvider(factory, cache, NullLogger<RancherHubTokenProvider>.Instance);
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var loader = new RancherHubMetadataLoader(factory, cache, tokenProvider, fileSystem, NullLogger<RancherHubMetadataLoader>.Instance);
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await Assert.ThrowsAsync<InvalidOperationException>(() => loader.LoadAsync(options, CancellationToken.None));
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}
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private sealed class SingleClientHttpClientFactory : IHttpClientFactory
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{
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private readonly HttpClient _client;
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public SingleClientHttpClientFactory(HttpClient client)
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{
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_client = client;
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}
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public HttpClient CreateClient(string name) => _client;
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}
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private sealed class TestHttpMessageHandler : HttpMessageHandler
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{
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private readonly Func<HttpRequestMessage, HttpResponseMessage> _responseFactory;
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private TestHttpMessageHandler(Func<HttpRequestMessage, HttpResponseMessage> responseFactory)
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{
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_responseFactory = responseFactory;
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}
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public int InvocationCount { get; private set; }
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public static TestHttpMessageHandler RespondWith(Func<HttpRequestMessage, HttpResponseMessage> responseFactory)
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=> new(responseFactory);
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public void ResetInvocationCount() => InvocationCount = 0;
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protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
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{
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InvocationCount++;
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return Task.FromResult(_responseFactory(request));
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}
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}
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}
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@@ -0,0 +1,17 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net10.0</TargetFramework>
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<LangVersion>preview</LangVersion>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\StellaOps.Excititor.Connectors.SUSE.RancherVEXHub\StellaOps.Excititor.Connectors.SUSE.RancherVEXHub.csproj" />
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<ProjectReference Include="..\StellaOps.Excititor.Storage.Mongo\StellaOps.Excititor.Storage.Mongo.csproj" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="FluentAssertions" Version="6.12.0" />
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<PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="20.0.28" />
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</ItemGroup>
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</Project>
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