62 lines
2.5 KiB
C#
62 lines
2.5 KiB
C#
using System;
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using System.Linq;
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using GameCult.Caching;
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using GameCult.Caching.MessagePack;
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using MessagePack;
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using NUnit.Framework;
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namespace GameCult.Networking.Tests
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{
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// A record's payload is one MessagePack value: each CultNet path that decodes a payload refuses a tail, by the one rule in
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// CultPayloadDepth.Check. One test per path family, so that pointing a path at a tolerant reader turns it red.
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public class BytesAfterPathTests
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{
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private const string Clause = "1 bytes after its first MessagePack value";
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[CultDocument("tests.bytes_after_net", "tests.bytes_after_net.v1")]
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[MessagePackObject]
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public sealed class TailDoc
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{
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[Key(0)] [CultName] public string Id = "a";
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[Key(1)] public int N = 3;
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}
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private static readonly CultDocumentRegistry Documents = CultDocumentRegistry.ForTypes(new[] { typeof(TailDoc) });
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private static byte[] WithTail() =>
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CultDocumentMessagePackSerialization.SerializeUntyped(new TailDoc(), typeof(TailDoc), Documents).Concat(new byte[] { 0xc0 }).ToArray();
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private static CultNetRawDocumentRecord Raw(CultNetDocumentRegistry registry, byte[] payload) => new()
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{
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SchemaId = Documents.GetRequired(typeof(TailDoc)).SchemaId,
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RecordKey = "a",
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StoredAt = "1970-01-01T00:00:00.000Z",
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Payload = payload,
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};
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private static void Refuses(TestDelegate read) =>
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Assert.That(Assert.Catch(read)!.ToString(), Does.Contain(Clause));
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[Test]
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public void TheGenericBindingRefusesATail() =>
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Refuses(() => CultNetDocumentBinding.ForDocument<TailDoc>(Documents).PayloadDeserializer(WithTail()));
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[Test]
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public void TheRuntimeTypeBindingRefusesATail() =>
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Refuses(() => CultNetDocumentBinding.ForDocument(typeof(TailDoc), Documents).PayloadDeserializer(WithTail()));
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[Test]
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public void ARawEnvelopeThroughARegisteredBindingRefusesATail()
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{
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var registry = new CultNetDocumentRegistry(Documents).Register(CultNetDocumentBinding.ForDocument<TailDoc>(Documents));
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Refuses(() => registry.DeserializeRawDocument(Raw(registry, WithTail())));
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}
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[Test]
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public void ARawEnvelopeWithNoBindingRefusesATail()
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{
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var registry = new CultNetDocumentRegistry(Documents);
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Refuses(() => registry.DeserializeRawDocument(Raw(registry, WithTail())));
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}
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}
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}
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