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feat: implement jetstream memstore core behavior

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This commit is contained in:
Joseph Doherty
2026-02-23 06:00:10 -05:00
parent cae09f9091
commit 64e3b1bd49
4 changed files with 84 additions and 0 deletions
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20
tests/NATS.Server.Tests/MemStoreTests.cs Normal file
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@@ -0,0 +1,20 @@
using NATS.Server.JetStream.Storage;
namespace NATS.Server.Tests;
public class MemStoreTests
{
[Fact]
public async Task MemStore_supports_append_load_and_purge()
{
var store = new MemStore();
var seq1 = await store.AppendAsync("a", "one"u8.ToArray(), default);
var seq2 = await store.AppendAsync("a", "two"u8.ToArray(), default);
seq2.ShouldBe(seq1 + 1);
(await store.LoadAsync(seq2, default))!.Payload.Span.SequenceEqual("two"u8).ShouldBeTrue();
await store.PurgeAsync(default);
(await store.GetStateAsync(default)).Messages.ShouldBe((ulong)0);
}
}

5
tests/NATS.Server.Tests/StreamStoreContractTests.cs
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@@ -27,5 +27,10 @@ public class StreamStoreContractTests
public ValueTask<StreamState> GetStateAsync(CancellationToken ct)
=> ValueTask.FromResult(new StreamState { Messages = _last });
public ValueTask<StoredMessage?> LoadAsync(ulong sequence, CancellationToken ct)
=> ValueTask.FromResult<StoredMessage?>(null);
public ValueTask PurgeAsync(CancellationToken ct) => ValueTask.CompletedTask;
}
}