Restructure solution layout by module

src/Authority/StellaOps.Authority/StellaOps.Auth.Client.Tests/TokenCacheTests.cs

@@ -0,0 +1,59 @@
+using System;
+using System.IO;
+using System.Net;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Time.Testing;
+using StellaOps.Auth.Client;
+using Xunit;
+
+namespace StellaOps.Auth.Client.Tests;
+
+public class TokenCacheTests
+{
+    [Fact]
+    public async Task InMemoryTokenCache_ExpiresEntries()
+    {
+        var timeProvider = new FakeTimeProvider(DateTimeOffset.Parse("2025-01-01T00:00:00Z"));
+        var cache = new InMemoryTokenCache(timeProvider, TimeSpan.FromSeconds(5));
+
+        var entry = new StellaOpsTokenCacheEntry("token", "Bearer", timeProvider.GetUtcNow() + TimeSpan.FromSeconds(10), new[] { "scope" });
+        await cache.SetAsync("key", entry);
+
+        var retrieved = await cache.GetAsync("key");
+        Assert.NotNull(retrieved);
+
+        timeProvider.Advance(TimeSpan.FromSeconds(12));
+
+        retrieved = await cache.GetAsync("key");
+        Assert.Null(retrieved);
+    }
+
+    [Fact]
+    public async Task FileTokenCache_PersistsEntries()
+    {
+        var directory = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N"));
+        try
+        {
+            var timeProvider = new FakeTimeProvider(DateTimeOffset.UtcNow);
+            var cache = new FileTokenCache(directory, timeProvider, TimeSpan.Zero);
+
+            var entry = new StellaOpsTokenCacheEntry("token", "Bearer", timeProvider.GetUtcNow() + TimeSpan.FromMinutes(5), new[] { "scope" });
+            await cache.SetAsync("key", entry);
+
+            var retrieved = await cache.GetAsync("key");
+            Assert.NotNull(retrieved);
+            Assert.Equal("token", retrieved!.AccessToken);
+
+            await cache.RemoveAsync("key");
+            retrieved = await cache.GetAsync("key");
+            Assert.Null(retrieved);
+        }
+        finally
+        {
+            if (Directory.Exists(directory))
+            {
+                Directory.Delete(directory, recursive: true);
+            }
+        }
+    }
+}