Initial commit

tests/Infrastructure/FakeServerCallContext.cs

@@ -0,0 +1,41 @@
+using Grpc.Core;
+
+namespace MariesWonderland.Tests.Infrastructure;
+
+/// <summary>
+/// Minimal <see cref="ServerCallContext"/> stub that pre-populates the
+/// <c>x-apb-user-id</c> request header so service methods can call
+/// <c>context.GetUserId()</c> without a real gRPC channel.
+/// </summary>
+public sealed class FakeServerCallContext : ServerCallContext
+{
+    private readonly Metadata _requestHeaders;
+    private readonly Metadata _responseTrailers = [];
+    private readonly CancellationToken _cancellationToken;
+
+    private FakeServerCallContext(long userId, CancellationToken cancellationToken = default)
+    {
+        _requestHeaders = [new Metadata.Entry("x-apb-user-id", userId.ToString())];
+        _cancellationToken = cancellationToken;
+    }
+
+    public static FakeServerCallContext For(long userId, CancellationToken cancellationToken = default)
+        => new(userId, cancellationToken);
+
+    protected override string MethodCore => string.Empty;
+    protected override string HostCore => string.Empty;
+    protected override string PeerCore => string.Empty;
+    protected override DateTime DeadlineCore => DateTime.MaxValue;
+    protected override Metadata RequestHeadersCore => _requestHeaders;
+    protected override CancellationToken CancellationTokenCore => _cancellationToken;
+    protected override Metadata ResponseTrailersCore => _responseTrailers;
+    protected override Status StatusCore { get; set; }
+    protected override WriteOptions? WriteOptionsCore { get; set; }
+    protected override AuthContext AuthContextCore => new(string.Empty, []);
+
+    protected override ContextPropagationToken CreatePropagationTokenCore(ContextPropagationOptions? options) =>
+        throw new NotImplementedException();
+
+    protected override Task WriteResponseHeadersAsyncCore(Metadata responseHeaders) =>
+        throw new NotImplementedException();
+}