b1ff2dcbce
Behavioural tests through Mesh and CultCache for each rule the cut owns, and the persistence contract's single-readability paragraph states that one runtime has one reader, lock and replace and that only nothing at the path is missing. Not yet run: verification follows in one job. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
97 lines
4.4 KiB
C#
97 lines
4.4 KiB
C#
using System;
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using System.IO;
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using FluentAssertions;
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using GameCult.Caching;
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using GameCult.Caching.MessagePack;
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using NUnit.Framework;
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#nullable enable
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namespace GameCult.Mesh.Tests;
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// Shared refusal vectors: tests/vectors/document-variants-c0, read by every runtime's tests.
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public sealed class CultMeshVariantRefusalTests
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{
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private const string ItemSchemaId = "sha256:88d3fdf0a927acf3b163940d8f8c7fe62b3316542ce771a67ec8bc038f594788";
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private static string VectorPath(string name)
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{
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for (var dir = new DirectoryInfo(TestContext.CurrentContext.TestDirectory); dir != null; dir = dir.Parent)
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{
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var candidate = Path.Combine(dir.FullName, "tests", "vectors", "document-variants-c0", name);
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if (File.Exists(candidate)) return candidate;
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}
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throw new FileNotFoundException($"Shared vector {name} not found above {TestContext.CurrentContext.TestDirectory}.");
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}
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private static CultStoreUnreadableException Refusal(string vector) =>
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Assert.Throws<CultStoreUnreadableException>(() =>
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CultMesh.ReadSingleFileDocumentPayload(VectorPath(vector), new CultRecordKey("item:bellows"), ItemSchemaId))!;
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[Test]
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public void ReadSingleFileDocument_RefusesUnknownHeaderByName() =>
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Refusal("unknown-header.msgpack").Message.Should().Contain("cultcache.store.v9");
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[Test]
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public void ReadSingleFileDocument_RefusesExtraRecordSlotNamingTheRecord()
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{
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var message = Refusal("extra-slot-full-payload.msgpack").Message;
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message.Should().Contain("item:anvil").And.Contain(ItemSchemaId);
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}
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// The older catalog layout (the content hash at entry slot 5) is a store no C# reader reads: CultMesh refuses it as CultCache
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// does, on a read and on a raw write, and a refused write leaves the bytes as they were.
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[TestCase("legacy-catalog-plain.msgpack")]
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[TestCase("legacy-catalog-extra-slot.msgpack")]
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[TestCase("legacy-catalog-trailing.msgpack")]
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public void TheOlderCatalogLayoutIsRefusedByMeshAndCultCacheAlike(string vector)
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{
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Refusal(vector).Path.Should().Be(VectorPath(vector));
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var directory = Path.Combine(Path.GetTempPath(), "cultmesh-legacy-layout", Guid.NewGuid().ToString("N"));
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Directory.CreateDirectory(directory);
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try
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{
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var path = Path.Combine(directory, vector);
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File.Copy(VectorPath(vector), path);
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var bytes = File.ReadAllBytes(path);
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var raw = new CultMeshSingleFileDocumentSchema("raw:schema", "RawSchema", "1");
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Assert.Throws<CultStoreUnreadableException>(() =>
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CultMesh.WriteSingleFileDocumentPayload(path, new CultRecordKey("item:bellows"), raw, null, new byte[] { 0x90 }))!
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.Path.Should().Be(path);
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File.ReadAllBytes(path).Should().Equal(bytes);
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Assert.Throws<CultStoreUnreadableException>(() => CultCacheMessagePack.Create(path, new CultCacheOpenOptions { FlushOnDispose = false, StoreFlushOnDispose = false }))!
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.Path.Should().Be(path);
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}
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finally
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{
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Directory.Delete(directory, true);
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}
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}
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// A store in the current layout with one catalog slot malformed is refused as CultCache refuses it.
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[TestCase("current-catalog-bad-canonical.msgpack")]
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[TestCase("current-catalog-bad-members.msgpack")]
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[TestCase("current-catalog-bad-compat.msgpack")]
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[TestCase("current-catalog-bad-slot5-nil.msgpack")]
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[TestCase("current-catalog-bad-slot5-int.msgpack")]
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public void ReadSingleFileDocument_RefusesAMalformedCurrentCatalogEntry(string vector)
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{
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Refusal(vector).Path.Should().Be(VectorPath(vector));
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}
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// Q6: CultMesh does not resolve variants. It refuses a variant key naming it and its base, and still reads the plain
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// records of the same v2 store.
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[Test]
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public void ReadSingleFileDocument_RefusesAVariantKeyByNameButReadsItsPlainNeighbours()
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{
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var refusal = Assert.Throws<NotSupportedException>(() =>
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CultMesh.ReadSingleFileDocumentPayload(VectorPath("variant-v2.msgpack"), new CultRecordKey("item:anvil-big"), ItemSchemaId))!;
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refusal.Message.Should().Contain("item:anvil-big").And.Contain("item:anvil'");
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CultMesh.ReadSingleFileDocumentPayload(VectorPath("variant-v2.msgpack"), new CultRecordKey("item:bellows"), ItemSchemaId)
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.Should().NotBeEmpty();
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}
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}
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