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fix(inbound-api): endpoint filter hot-reads MaxRequestBodyBytes via IOptionsMonitor

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Claude-Session: https://claude.ai/code/session_01MtdgwpEeCUn6cUA5f1LMPj
This commit is contained in:
Joseph Doherty
2026-07-10 03:48:49 -04:00
parent 9b0cf44c02
commit aa1c1093e4
2 changed files with 39 additions and 6 deletions
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tests/ZB.MOM.WW.ScadaBridge.InboundAPI.Tests/EndpointGatingTests.cs
+34 -1
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@@ -15,7 +15,7 @@ public class EndpointGatingTests
{
private static InboundApiEndpointFilter CreateFilter(InboundApiOptions? options = null) =>
new(NullLogger<InboundApiEndpointFilter>.Instance,
Options.Create(options ?? new InboundApiOptions()));
new TestOptionsMonitor<InboundApiOptions>(options ?? new InboundApiOptions()));
private static (DefaultHttpContext ctx, DefaultEndpointFilterInvocationContext invocation)
BuildInvocation(bool? activeNode, long? contentLength)
@@ -144,4 +144,37 @@ public class EndpointGatingTests
public bool IsReadOnly => false;
public long? MaxRequestBodySize { get; set; }
}
// --- InboundAPI hot-reload: options must be re-read per request, not cached at ctor time ---
[Fact]
public async Task BodySizeCap_HotReloads_WithoutRestart()
{
var monitor = new TestOptionsMonitor<InboundApiOptions>(new InboundApiOptions { MaxRequestBodyBytes = 10 });
var filter = new InboundApiEndpointFilter(NullLogger<InboundApiEndpointFilter>.Instance, monitor);
var (_, firstInvocation) = BuildInvocation(activeNode: true, contentLength: 20);
var firstNext = NextSentinel(out var firstHandlerRan);
var firstResult = await filter.InvokeAsync(firstInvocation, firstNext);
Assert.False(firstHandlerRan());
var firstStatus = Assert.IsAssignableFrom<IStatusCodeHttpResult>(firstResult);
Assert.Equal(StatusCodes.Status413PayloadTooLarge, firstStatus.StatusCode);
monitor.CurrentValue = new InboundApiOptions { MaxRequestBodyBytes = 1024 * 1024 };
var (_, secondInvocation) = BuildInvocation(activeNode: true, contentLength: 20);
var secondNext = NextSentinel(out var secondHandlerRan);
await filter.InvokeAsync(secondInvocation, secondNext);
Assert.True(secondHandlerRan());
}
private sealed class TestOptionsMonitor<T> : IOptionsMonitor<T>
{
public TestOptionsMonitor(T currentValue) => CurrentValue = currentValue;
public T CurrentValue { get; set; }
public T Get(string? name) => CurrentValue;
public IDisposable? OnChange(Action<T, string?> listener) => null;
}
}