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Caching tests: a variant a pull loads reads its values with the codec the attach lent

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Meta Vens 2026-10-23 18:10:10 +02:00
commit ec94ab9878
1 changed files with 25 additions and 0 deletions
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25
tests/GameCult.Caching.Tests/ElementIdTests.cs
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@ -918,6 +918,31 @@ namespace GameCult.Caching.Tests
Assert.That(HeaderOf(path), Is.EqualTo("cultcache.store.v3"), "read without a codec, the variant it writes cannot be seen, so it is marked");
}
// The pull builds a variant with the codec the attach lent the store, so a variant loaded during an attach (the cache is not
// published yet) reports what its values hold: a name override holds no id. Without the lent codec it would count as holding one.
[Test]
public void AVariantLoadedByAPullReadsItsValuesWithTheCodecTheAttachLent()
{
var path = PathOf("lent-codec-variant.cc");
using (var cache = Open(path))
{
cache.Commit(batch =>
{
batch.Upsert(typeof(IdDeck), EmptyDeck("base"), new CultRecordKey("base"));
batch.UpsertVariant(new CultRecordKey("v"), new CultRecordKey("base"), new[] { cache.Override<IdDeck>(nameof(IdDeck.Name), "v") });
});
}
CultStoredDocument? variant = null;
var store = new SingleFileMessagePackBackingStore(path);
store.Loaded = (loaded, _) => variant = loaded.Single(entry => entry.Variant != null);
store.UseRegistry(Registry, CultCacheMessagePack.CreateCodec(Registry));
store.PullAll();
Assert.That(variant, Is.Not.Null);
Assert.That(variant!.HoldsIds, Is.False, "read with the lent codec, a name override holds no id");
}
[Test]
public void ADirectoryStoreIsMarkedByTheIdsItWritesAndAnEmptyDeckDoesNotMarkIt()
{