tests: add mucho tests

tests/FiscalOS.API.Tests/Infra/TestApi.cs

@@ -16,6 +16,8 @@ public class TestApi : WebApplicationFactory<Program>
       }));
 
       c.AddSingleton(Options.Create(JwtTokenBuilder.DefaultJwtOptions));
+
+      c.AddSingleton<IKeyRing>(TestKeyRing.From);
     });
   }
 }

tests/FiscalOS.API.Tests/Infra/TestKeyRing.cs

@@ -0,0 +1,31 @@
+
+namespace FiscalOS.API.Tests.Infra;
+
+internal sealed class TestKeyRing : IKeyRing
+{
+  private readonly string _key = Convert.ToBase64String(RandomNumberGenerator.GetBytes(32));
+
+  private TestKeyRing()
+  {
+  }
+
+  public static TestKeyRing From(IServiceProvider serviceProvider)
+  {
+    return new();
+  }
+
+  public KeyRingEntry GetKey(string keyId)
+  {
+    return KeyRingEntry.From(keyId, _key);
+  }
+
+  public KeyRingEntry GetPrimaryKey()
+  {
+    return KeyRingEntry.From("primary-key-id", _key);
+  }
+
+  public Task<KeyRingEntry> SaveKeyAsync(string key)
+  {
+    throw new NotImplementedException();
+  }
+}