refactor: extract NATS.Server.JetStream.Tests project
Move 225 JetStream-related test files from NATS.Server.Tests into a dedicated NATS.Server.JetStream.Tests project. This includes root-level JetStream*.cs files, storage test files (FileStore, MemStore, StreamStoreContract), and the full JetStream/ subfolder tree (Api, Cluster, Consumers, MirrorSource, Snapshots, Storage, Streams). Updated all namespaces, added InternalsVisibleTo, registered in the solution file, and added the JETSTREAM_INTEGRATION_MATRIX define.
This commit is contained in:
Joseph Doherty
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// Reference: golang/nats-server/server/filestore_test.go
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// Tests for Task A3: FileStore Block Manager Rewrite.
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// Verifies that FileStore correctly uses MsgBlock-based storage:
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// block files on disk, block rotation, recovery, purge, snapshot,
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// soft-delete, and payload transformation (S2/AEAD) integration.
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using System.Text;
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using NATS.Server.JetStream.Storage;
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namespace NATS.Server.JetStream.Tests.JetStream.Storage;
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public sealed class FileStoreBlockTests : IDisposable
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{
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private readonly string _dir;
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public FileStoreBlockTests()
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{
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_dir = Path.Combine(Path.GetTempPath(), $"nats-js-fs-block-{Guid.NewGuid():N}");
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Directory.CreateDirectory(_dir);
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}
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public void Dispose()
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{
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if (Directory.Exists(_dir))
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Directory.Delete(_dir, recursive: true);
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}
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private FileStore CreateStore(string subdirectory, FileStoreOptions? options = null)
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{
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var dir = Path.Combine(_dir, subdirectory);
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var opts = options ?? new FileStoreOptions();
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opts.Directory = dir;
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return new FileStore(opts);
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}
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// Go: filestore.go block-based storage — verify .blk files are created on disk.
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[Fact]
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public async Task Append_UsesBlockStorage()
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{
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var subDir = "blk-storage";
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var dir = Path.Combine(_dir, subDir);
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await using var store = CreateStore(subDir);
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await store.AppendAsync("foo", "Hello World"u8.ToArray(), default);
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// At least one .blk file should exist in the store directory.
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var blkFiles = Directory.GetFiles(dir, "*.blk");
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blkFiles.Length.ShouldBeGreaterThanOrEqualTo(1);
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// The old JSONL file should NOT exist.
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File.Exists(Path.Combine(dir, "messages.jsonl")).ShouldBeFalse();
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}
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// Go: filestore.go block rotation — rbytes check causes new block creation.
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[Fact]
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public async Task MultiBlock_RotatesWhenFull()
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{
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var subDir = "blk-rotation";
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var dir = Path.Combine(_dir, subDir);
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// Small block size to force rotation quickly.
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await using var store = CreateStore(subDir, new FileStoreOptions { BlockSizeBytes = 256 });
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// Write enough messages to exceed 256 bytes per block.
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for (var i = 0; i < 20; i++)
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await store.AppendAsync("foo", "Hello World - block rotation test!"u8.ToArray(), default);
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var state = await store.GetStateAsync(default);
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state.Messages.ShouldBe((ulong)20);
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// Multiple .blk files should be created.
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var blkFiles = Directory.GetFiles(dir, "*.blk");
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blkFiles.Length.ShouldBeGreaterThan(1);
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// BlockCount should reflect multiple blocks.
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store.BlockCount.ShouldBeGreaterThan(1);
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}
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// Go: filestore.go multi-block load — messages span multiple blocks.
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[Fact]
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public async Task Load_AcrossBlocks()
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{
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var subDir = "blk-across";
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// Small block size to force multiple blocks.
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await using var store = CreateStore(subDir, new FileStoreOptions { BlockSizeBytes = 256 });
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for (var i = 0; i < 20; i++)
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await store.AppendAsync("foo", Encoding.UTF8.GetBytes($"msg-{i:D4}"), default);
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// Verify we have multiple blocks.
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store.BlockCount.ShouldBeGreaterThan(1);
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// All messages should be loadable, regardless of which block they are in.
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for (ulong i = 1; i <= 20; i++)
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{
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var msg = await store.LoadAsync(i, default);
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msg.ShouldNotBeNull();
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msg!.Subject.ShouldBe("foo");
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var expected = Encoding.UTF8.GetBytes($"msg-{(int)(i - 1):D4}");
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msg.Payload.ToArray().ShouldBe(expected);
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}
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}
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// Go: filestore.go recovery — block files are rescanned on startup.
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[Fact]
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public async Task Recovery_AfterRestart()
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{
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var subDir = "blk-recovery";
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var dir = Path.Combine(_dir, subDir);
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// Write data and dispose.
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await using (var store = CreateStore(subDir, new FileStoreOptions { BlockSizeBytes = 256 }))
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{
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for (var i = 0; i < 20; i++)
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await store.AppendAsync("foo", Encoding.UTF8.GetBytes($"msg-{i:D4}"), default);
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var state = await store.GetStateAsync(default);
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state.Messages.ShouldBe((ulong)20);
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}
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// .blk files should still exist after dispose.
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var blkFiles = Directory.GetFiles(dir, "*.blk");
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blkFiles.Length.ShouldBeGreaterThan(0);
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// Recreate FileStore from the same directory.
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await using (var store = CreateStore(subDir, new FileStoreOptions { BlockSizeBytes = 256 }))
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{
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var state = await store.GetStateAsync(default);
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state.Messages.ShouldBe((ulong)20);
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state.FirstSeq.ShouldBe((ulong)1);
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state.LastSeq.ShouldBe((ulong)20);
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// Verify all messages are intact.
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for (ulong i = 1; i <= 20; i++)
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{
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var msg = await store.LoadAsync(i, default);
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msg.ShouldNotBeNull();
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var expected = Encoding.UTF8.GetBytes($"msg-{(int)(i - 1):D4}");
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msg!.Payload.ToArray().ShouldBe(expected);
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}
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}
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}
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// Go: filestore.go purge — all blocks removed, fresh block created.
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[Fact]
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public async Task Purge_CleansAllBlocks()
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{
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var subDir = "blk-purge";
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var dir = Path.Combine(_dir, subDir);
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await using var store = CreateStore(subDir, new FileStoreOptions { BlockSizeBytes = 256 });
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for (var i = 0; i < 20; i++)
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await store.AppendAsync("foo", "Hello"u8.ToArray(), default);
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// Before purge, multiple .blk files should exist.
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Directory.GetFiles(dir, "*.blk").Length.ShouldBeGreaterThan(0);
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await store.PurgeAsync(default);
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var state = await store.GetStateAsync(default);
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state.Messages.ShouldBe((ulong)0);
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state.Bytes.ShouldBe((ulong)0);
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// After purge, no old .blk files should remain (or they should be empty/recreated).
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// The old JSONL file should also not exist.
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File.Exists(Path.Combine(dir, "messages.jsonl")).ShouldBeFalse();
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}
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// Go: filestore.go dmap — soft-delete within a block.
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[Fact]
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public async Task Remove_SoftDeletesInBlock()
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{
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await using var store = CreateStore("blk-remove");
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for (var i = 0; i < 5; i++)
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await store.AppendAsync("foo", "data"u8.ToArray(), default);
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// Remove sequence 3.
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(await store.RemoveAsync(3, default)).ShouldBeTrue();
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// Verify seq 3 returns null.
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(await store.LoadAsync(3, default)).ShouldBeNull();
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// Other sequences still loadable.
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(await store.LoadAsync(1, default)).ShouldNotBeNull();
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(await store.LoadAsync(2, default)).ShouldNotBeNull();
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(await store.LoadAsync(4, default)).ShouldNotBeNull();
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(await store.LoadAsync(5, default)).ShouldNotBeNull();
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// State reflects the removal.
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var state = await store.GetStateAsync(default);
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state.Messages.ShouldBe((ulong)4);
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}
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// Go: filestore.go snapshot — iterates all blocks for snapshot creation.
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[Fact]
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public async Task Snapshot_IncludesAllBlocks()
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{
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await using var srcStore = CreateStore("blk-snap-src", new FileStoreOptions { BlockSizeBytes = 256 });
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for (var i = 0; i < 30; i++)
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await srcStore.AppendAsync("foo", Encoding.UTF8.GetBytes($"msg-{i}"), default);
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// Verify multiple blocks.
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srcStore.BlockCount.ShouldBeGreaterThan(1);
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var snap = await srcStore.CreateSnapshotAsync(default);
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snap.Length.ShouldBeGreaterThan(0);
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// Restore into a new store.
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await using var dstStore = CreateStore("blk-snap-dst");
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await dstStore.RestoreSnapshotAsync(snap, default);
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var srcState = await srcStore.GetStateAsync(default);
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var dstState = await dstStore.GetStateAsync(default);
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dstState.Messages.ShouldBe(srcState.Messages);
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dstState.FirstSeq.ShouldBe(srcState.FirstSeq);
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dstState.LastSeq.ShouldBe(srcState.LastSeq);
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// Verify each message round-trips.
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for (ulong i = 1; i <= srcState.Messages; i++)
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{
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var original = await srcStore.LoadAsync(i, default);
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var copy = await dstStore.LoadAsync(i, default);
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copy.ShouldNotBeNull();
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copy!.Subject.ShouldBe(original!.Subject);
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copy.Payload.ToArray().ShouldBe(original.Payload.ToArray());
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}
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}
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// Go: filestore.go S2 compression — payload is compressed before block write.
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[Fact]
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public async Task Compression_RoundTrip()
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{
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var subDir = "blk-compress";
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await using var store = CreateStore(subDir, new FileStoreOptions
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{
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Compression = StoreCompression.S2Compression,
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});
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var payload = "Hello, S2 compressed block storage!"u8.ToArray();
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for (var i = 0; i < 10; i++)
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await store.AppendAsync("foo", payload, default);
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var state = await store.GetStateAsync(default);
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state.Messages.ShouldBe((ulong)10);
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// Verify all messages are readable with correct payload.
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for (ulong i = 1; i <= 10; i++)
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{
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var msg = await store.LoadAsync(i, default);
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msg.ShouldNotBeNull();
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msg!.Payload.ToArray().ShouldBe(payload);
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}
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}
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// Go: filestore.go AEAD encryption — payload is encrypted before block write.
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[Fact]
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public async Task Encryption_RoundTrip()
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{
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var subDir = "blk-encrypt";
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var key = "nats-v2-test-key-exactly-32-bytes"u8[..32].ToArray();
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await using var store = CreateStore(subDir, new FileStoreOptions
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{
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Cipher = StoreCipher.ChaCha,
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EncryptionKey = key,
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});
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var payload = "Hello, AEAD encrypted block storage!"u8.ToArray();
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for (var i = 0; i < 10; i++)
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await store.AppendAsync("foo", payload, default);
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var state = await store.GetStateAsync(default);
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state.Messages.ShouldBe((ulong)10);
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// Verify all messages are readable with correct payload.
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for (ulong i = 1; i <= 10; i++)
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{
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var msg = await store.LoadAsync(i, default);
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msg.ShouldNotBeNull();
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msg!.Payload.ToArray().ShouldBe(payload);
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}
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}
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}
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