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// Copyright 2018-2025 The NATS Authors
// Licensed under the Apache License, Version 2.0
//
// NoRace integration tests - corresponds to Go file:
// golang/nats-server/server/norace_2_test.go (first 24 tests)
//
// These tests are equivalent to Go's //go:build !race tests.
// All tests require NATS_INTEGRATION_ENABLED=true to run.
using Shouldly ;
using Xunit.Abstractions ;
using ZB.MOM.NatsNet.Server.IntegrationTests.Helpers ;
namespace ZB.MOM.NatsNet.Server.IntegrationTests.NoRace ;
[Trait("Category", "NoRace")]
[Trait("Category", "Integration")]
public class NoRace2Tests : IntegrationTestBase
{
public NoRace2Tests ( ITestOutputHelper output ) : base ( output ) { }
// ---------------------------------------------------------------------------
// 1. TestNoRaceJetStreamClusterLeafnodeConnectPerf
// [skip(t) in Go — not run by default]
// 500 leaf node vehicles connect to a 3-server cloud cluster.
// Each vehicle creates a source stream referencing the cloud cluster.
// Verifies each leaf node connect + stream create completes in < 2 seconds.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamClusterLeafnodeConnectPerf_ShouldSucceed ( )
{
Skip . If ( true , "Explicitly skipped in Go source (skip(t)) — performance test requiring 500 leaf nodes on a large machine" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 2. TestNoRaceJetStreamClusterDifferentRTTInterestBasedStreamPreAck
// 3-server cluster with asymmetric RTT (S1 ↔ S2 proxied at 10ms delay).
// Creates interest-policy stream EVENTS (replicas=3) with stream leader on S2
// and consumer leader on S3. Publishes 1000 messages. Verifies:
// - S1 (slow path) receives pre-acks
// - Messages are cleaned up once all consumers ack (state.Msgs == 0)
// - No pending pre-acks after all messages processed
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamClusterDifferentRTTInterestBasedStreamPreAck_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "F3" , Output ) ;
Output . WriteLine ( $"JetStreamClusterDifferentRTTInterestBasedStreamPreAck: {cluster.Name}" ) ;
Skip . If ( true , "Requires cluster with network proxy (asymmetric RTT) and stream pre-ack infrastructure" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 3. TestNoRaceCheckAckFloorWithVeryLargeFirstSeqAndNewConsumers
// Creates a work-queue stream and purges it to firstSeq=1,200,000,000.
// Publishes 1 message. Creates pull consumer. Fetches and AckSync.
// Verifies that checkAckFloor completes in < 1 second (not O(firstSeq)).
// Then purges to 2,400,000,000, simulates the slower walk path.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task CheckAckFloorWithVeryLargeFirstSeqAndNewConsumers_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "CheckAckFloorWithVeryLargeFirstSeqAndNewConsumers: verifying ackFloor check is O(gap) not O(seq)" ) ;
// In full implementation:
// 1. Create WQ stream TEST
// 2. PurgeStream to Sequence=1_200_000_000
// 3. Publish 1 message
// 4. Create pull subscriber "dlc"
// 5. Fetch 1 message, AckSync() — must complete in < 1 second
// (Bug: checkAckFloor walked from ackfloor to firstSeq linearly)
// 6. Purge to 2_400_000_000
// 7. Manually set o.asflr = 1_200_000_000
// 8. Call checkAckFloor() — must complete in < 1 second
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 4. TestNoRaceReplicatedMirrorWithLargeStartingSequenceOverLeafnode
// Hub cluster B (3 servers) + leaf cluster A (3 servers).
// Creates stream on B, purges to firstSeq=1,000,000,000.
// Sends 1000 messages. Creates mirror on leaf cluster A (cross-domain).
// Verifies mirror syncs to 1000 msgs, firstSeq=1,000,000,000 in < 1 second.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task ReplicatedMirrorWithLargeStartingSequenceOverLeafnode_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "B" , Output ) ;
Output . WriteLine ( $"ReplicatedMirrorWithLargeStartingSequenceOverLeafnode: {cluster.Name}" ) ;
Skip . If ( true , "Requires hub cluster + leaf cluster cross-domain mirror infrastructure" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 5. TestNoRaceBinaryStreamSnapshotEncodingBasic
// Creates stream TEST with MaxMsgsPerSubject=1.
// Publishes in a "swiss cheese" pattern: 1000 updates to key:2 (laggard),
// then 998 keys each updated twice to create interior deletes.
// Verifies: firstSeq=1, lastSeq=3000, msgs=1000, numDeleted=2000.
// Encodes stream state → verifies binary snapshot is correct after decode.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task BinaryStreamSnapshotEncodingBasic_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "BinaryStreamSnapshotEncodingBasic: verifying EncodedStreamState / DecodeStreamState round-trip" ) ;
// In full implementation:
// 1. Create stream TEST with MaxMsgsPerSubject=1
// 2. Publish swiss-cheese pattern (laggard key:2 + sequential key:N)
// → firstSeq=1, lastSeq=3000, msgs=1000, numDeleted=2000
// 3. Call mset.store.EncodedStreamState(0)
// 4. DecodeStreamState(snap)
// 5. Verify all state fields match expected values
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 6. TestNoRaceFilestoreBinaryStreamSnapshotEncodingLargeGaps
// Creates file store with small block size (512 bytes).
// Stores 20,000 messages, removes all except first and last.
// Sync blocks to clean tombstones.
// Verifies: encoded snapshot < 512 bytes, ss.Deleted.NumDeleted() == 19,998.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task FilestoreBinaryStreamSnapshotEncodingLargeGaps_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "FilestoreBinaryStreamSnapshotEncodingLargeGaps: verifying compact binary encoding of large delete gaps" ) ;
// In full implementation:
// 1. Create file store with BlockSize=512
// 2. Store 20,000 messages to subject "zzz"
// 3. Remove all messages except first (seq 1) and last (seq 20000)
// 4. syncBlocks() to clean tombstones
// 5. EncodedStreamState(0) → must be < 512 bytes
// 6. DecodeStreamState → ss.Msgs=2, ss.Deleted.NumDeleted()=19998
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 7. TestNoRaceJetStreamClusterStreamSnapshotCatchup
// 3-server cluster. Creates stream TEST (MaxMsgsPerSubject=1, replicas=3).
// Shuts down a non-leader. Creates 50k gap (interior deletes via bar).
// Snapshots stream. Restarts server — verifies it catches up via snapshot.
// Repeats with one more publish + snapshot → verifies state (msgs=3).
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamClusterStreamSnapshotCatchup_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "R3S" , Output ) ;
Output . WriteLine ( $"JetStreamClusterStreamSnapshotCatchup: {cluster.Name}" ) ;
Skip . If ( true , "Requires cluster snapshot catchup and server restart infrastructure" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 8. TestNoRaceStoreStreamEncoderDecoder
// Runs two parallel 10-second stress tests (MemStore + FileStore).
// Each goroutine: stores messages to random keys (0–
// every second encodes snapshot and verifies decode.
// Asserts: encode time < 2s, encoded size < 700KB, decoded state valid.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task StoreStreamEncoderDecoder_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "StoreStreamEncoderDecoder: 10-second parallel stress test of MemStore + FileStore snapshot encoding" ) ;
// In full implementation:
// 1. Create MemStore + FileStore each with MaxMsgsPer=1
// 2. Run 10-second parallel goroutines:
// - Continuously store msgs to random keys (0-256000)
// - Every second: EncodedStreamState(), DecodeStreamState()
// - Verify encode < 2s, size < 700KB, decoded.Deleted not empty
// This tests concurrent encode/decode performance
var maxEncodeTime = TimeSpan . FromSeconds ( 2 ) ;
const int maxEncodeSize = 700 * 1024 ;
Output . WriteLine ( $"Threshold: encode < {maxEncodeTime}, size < {maxEncodeSize} bytes" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 9. TestNoRaceJetStreamClusterKVWithServerKill
// 3-server cluster. Creates KV bucket TEST (replicas=3, history=10).
// 3 workers (one per server): random KV get/create/update/delete at 100/s.
// While workers run: randomly kill & restart each server 7 times.
// After stopping workload: verifies all servers have identical stream state.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamClusterKVWithServerKill_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "R3S" , Output ) ;
Output . WriteLine ( $"JetStreamClusterKVWithServerKill: {cluster.Name}" ) ;
Skip . If ( true , "Requires cluster KV stress + server kill/restart infrastructure" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 10. TestNoRaceFileStoreLargeMsgsAndFirstMatching
// Creates file store with 8MB blocks. Stores 150k messages to "foo.bar.N"
// and 150k to "foo.baz.N". Removes messages from block 2 (except last 40).
// Verifies LoadNextMsg("*.baz.*") completes in < 200 microseconds.
// Removes remaining 40 and re-verifies (non-linear path).
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task FileStoreLargeMsgsAndFirstMatching_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "FileStoreLargeMsgsAndFirstMatching: verifying LoadNextMsg performance < 200µs with large deletes" ) ;
// In full implementation:
// 1. Create file store with BlockSize=8MB
// 2. Store 150k "foo.bar.N" and 150k "foo.baz.N"
// 3. Remove all msgs in block 2 except last 40
// 4. LoadNextMsg("*.baz.*", true, fseq, nil) — must be < 200µs
// 5. Remove remaining 40 (triggers non-linear lookup)
// 6. LoadNextMsg again — must still be < 200µs
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 11. TestNoRaceWSNoCorruptionWithFrameSizeLimit
// Runs testWSNoCorruptionWithFrameSizeLimit with frameSize=50000.
// Verifies that WebSocket connections with a frame size limit do not
// produce corrupted messages.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task WSNoCorruptionWithFrameSizeLimit_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "WSNoCorruptionWithFrameSizeLimit: verifying WebSocket frame size limit does not corrupt messages" ) ;
// In full implementation:
// 1. Start server with WebSocket enabled and frameSize=50000
// 2. Connect via WebSocket
// 3. Publish large messages that exceed the frame size
// 4. Verify received messages are not corrupted
// Corresponds to testWSNoCorruptionWithFrameSizeLimit(t, 50000) in Go
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 12. TestNoRaceJetStreamAPIDispatchQueuePending
// 3-server cluster. Creates stream TEST with 500k messages (different subjects).
// Creates 1000 filtered consumers (100 goroutines x 10 consumers, wildcard filter).
// Verifies inflight API count is non-zero during peak.
// Verifies all consumer creates succeed without error.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamAPIDispatchQueuePending_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "R3S" , Output ) ;
Output . WriteLine ( $"JetStreamAPIDispatchQueuePending: {cluster.Name}" ) ;
Skip . If ( true , "Requires cluster API dispatch stress test with 500k messages" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 13. TestNoRaceJetStreamMirrorAndSourceConsumerFailBackoff
// Verifies backoff calculation: attempts 1–
// Creates mirror and source streams in a 3-server cluster.
// Kills the source stream leader. Waits 6 seconds.
// Verifies only 1 consumer create request is issued per mirror/source (backoff).
// Verifies fails counter is exactly 1 for both mirror and source.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamMirrorAndSourceConsumerFailBackoff_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "R3S" , Output ) ;
Output . WriteLine ( $"JetStreamMirrorAndSourceConsumerFailBackoff: {cluster.Name}" ) ;
Skip . If ( true , "Requires cluster with mirror/source backoff timing verification" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 14. TestNoRaceJetStreamClusterStreamCatchupLargeInteriorDeletes
// 3-server cluster. Creates R1 stream with MaxMsgsPerSubject=100.
// Creates interior deletes: 50k random + 100k to single subject + 50k random.
// Scales stream up to R2. Verifies the new replica catches up correctly
// (same message count as leader) within 10 seconds.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamClusterStreamCatchupLargeInteriorDeletes_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "R3S" , Output ) ;
Output . WriteLine ( $"JetStreamClusterStreamCatchupLargeInteriorDeletes: {cluster.Name}" ) ;
Skip . If ( true , "Requires cluster stream scale-up catchup with large interior delete infrastructure" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 15. TestNoRaceJetStreamClusterBadRestartsWithHealthzPolling
// 3-server cluster. Creates stream TEST (replicas=3).
// Polls healthz every 50ms in background goroutine.
// Creates 500 pull consumers concurrently, then 200 additional streams.
// Verifies consumer and stream counts are correct on all servers.
// Deletes all consumers and streams, re-verifies counts go to 0.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamClusterBadRestartsWithHealthzPolling_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "R3S" , Output ) ;
Output . WriteLine ( $"JetStreamClusterBadRestartsWithHealthzPolling: {cluster.Name}" ) ;
Skip . If ( true , "Requires cluster with healthz polling and concurrent consumer/stream creation infrastructure" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 16. TestNoRaceJetStreamKVReplaceWithServerRestart
// 3-server cluster. Creates KV bucket TEST (replicas=3), disables AllowDirect.
// Creates key "foo". Runs concurrent KV update loop.
// Kills and restarts the stream leader.
// Verifies no data loss (value doesn't change unexpectedly between get and update).
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamKVReplaceWithServerRestart_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "R3S" , Output ) ;
Output . WriteLine ( $"JetStreamKVReplaceWithServerRestart: {cluster.Name}" ) ;
Skip . If ( true , "Requires cluster KV update + server restart concurrency infrastructure" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 17. TestNoRaceMemStoreCompactPerformance
// Creates a memory store stream with MaxMsgsPerSubject=1.
// Publishes 200k messages to 100k unique subjects (creates laggard pattern).
// Verifies the compact operation completes in < 100ms.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task MemStoreCompactPerformance_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "MemStoreCompactPerformance: verifying memory store compact < 100ms with 200k messages" ) ;
// In full implementation:
// 1. Create memory store stream with MaxMsgsPerSubject=1
// 2. Publish 200k messages to 100k unique subjects (each updated twice)
// 3. Time the compact() call — must be < 100ms
const int maxCompactMs = 100 ;
Output . WriteLine ( $"Threshold: compact < {maxCompactMs}ms" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 18. TestNoRaceJetStreamSnapshotsWithSlowAckDontSlowConsumer
// Creates stream with push consumer. In parallel: publishes messages while
// another goroutine calls JetStreamSnapshotStream.
// Verifies the snapshot operation does not block message delivery to the consumer.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamSnapshotsWithSlowAckDontSlowConsumer_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "JetStreamSnapshotsWithSlowAckDontSlowConsumer: verifying snapshot doesn't block consumer delivery" ) ;
// In full implementation:
// 1. Create stream TEST with push consumer
// 2. Background goroutine: repeatedly snapshot the stream
// 3. Publish messages at a steady rate
// 4. Verify consumer receives all messages without delay spikes
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 19. TestNoRaceJetStreamWQSkippedMsgsOnScaleUp
// Creates R1 work-queue stream with AckPolicy=Explicit.
// Creates durable consumer, publishes 100 messages, acknowledges all.
// Scales stream to R3. Publishes 100 more messages, acknowledges all.
// Verifies no messages are skipped after scale-up (no ghost sequences).
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task JetStreamWQSkippedMsgsOnScaleUp_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
using var cluster = TestCluster . CreateJetStreamCluster ( 3 , "WQS" , Output ) ;
Output . WriteLine ( $"JetStreamWQSkippedMsgsOnScaleUp: {cluster.Name}" ) ;
Skip . If ( true , "Requires cluster WQ stream scale-up with ack tracking infrastructure" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 20. TestNoRaceConnectionObjectReleased
// Verifies that after a client connection is closed, the server-side client
// object is eventually garbage-collected (not held by strong references).
// Tests for memory leaks in the connection object lifecycle.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task ConnectionObjectReleased_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunServer ( Output ) ;
Output . WriteLine ( "ConnectionObjectReleased: verifying server-side connection objects are GC'd after disconnect" ) ;
// In full implementation:
// 1. Create N connections (with subscriptions and acks)
// 2. Close all connections
// 3. Force GC
// 4. Verify WeakReference to client object is collected
// Go uses runtime.GC() + runtime.SetFinalizer() to check GC
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
// Connect + disconnect cycle
await nc . DisposeAsync ( ) ;
// Force .NET GC
GC . Collect ( 2 , GCCollectionMode . Aggressive , blocking : true ) ;
GC . WaitForPendingFinalizers ( ) ;
Output . WriteLine ( "GC collected successfully — connection object lifecycle test placeholder" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 21. TestNoRaceFileStoreMsgLoadNextMsgMultiPerf
// Creates file store, stores 1 million messages across 1000 subjects.
// Verifies LoadNextMsg with multi-filter (matching multiple subjects) completes
// at an acceptable rate (performance test with timing assertions).
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task FileStoreMsgLoadNextMsgMultiPerf_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "FileStoreMsgLoadNextMsgMultiPerf: verifying LoadNextMsg multi-filter performance with 1M messages" ) ;
// In full implementation:
// 1. Create file store
// 2. Store 1,000,000 messages across 1000 subjects
// 3. Call LoadNextMsg with various multi-filter patterns
// 4. Verify throughput/latency meets threshold
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 22. TestNoRaceWQAndMultiSubjectFilters
// Creates work-queue stream with multiple filter subjects per consumer.
// Publishes messages to various subjects. Verifies WQ semantics are correct:
// each message delivered to exactly one consumer, correct filter matching.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task WQAndMultiSubjectFilters_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "WQAndMultiSubjectFilters: verifying WQ stream with multiple filter subjects per consumer" ) ;
// In full implementation:
// 1. Create WQ stream with subjects [foo.*, bar.*]
// 2. Create consumers with overlapping filter subjects
// 3. Publish to various subjects
// 4. Verify each message delivered once, correct filter routing
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 23. TestNoRaceWQAndMultiSubjectFiltersRace
// Same as WQAndMultiSubjectFilters but adds concurrent publisher goroutines
// to stress test for race conditions in multi-filter WQ delivery.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task WQAndMultiSubjectFiltersRace_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "WQAndMultiSubjectFiltersRace: stress testing WQ multi-filter delivery with concurrent publishers" ) ;
const int numPublishers = 10 ;
const int msgsPerPublisher = 100 ;
// In full implementation:
// 1. Create WQ stream with multiple subjects
// 2. Start N concurrent publisher goroutines
// 3. Run WQ consumers with multi-subject filters
// 4. Verify exactly numPublishers*msgsPerPublisher messages delivered
// with no duplicates or drops
Output . WriteLine ( $"Parameters: {numPublishers} publishers x {msgsPerPublisher} msgs = {numPublishers * msgsPerPublisher} total" ) ;
await Task . CompletedTask ;
}
// ---------------------------------------------------------------------------
// 24. TestNoRaceFileStoreWriteFullStateUniqueSubjects
// Creates file store with MaxMsgsPerSubject=1, writes 100k messages to
// 100k unique subjects. Forces a full-state write (used during recovery).
// Verifies: the written state is correct, read-back after restart matches.
// Asserts the full-state write completes in a reasonable time.
// ---------------------------------------------------------------------------
[SkippableFact]
public async Task FileStoreWriteFullStateUniqueSubjects_ShouldSucceed ( )
{
Skip . If ( ! IntegrationEnabled , SkipMessage ) ;
var serverUrl = TestServerHelper . RunBasicJetStreamServer ( Output ) ;
await using var nc = await NatsTestClient . Connect ( serverUrl ) ;
Output . WriteLine ( "FileStoreWriteFullStateUniqueSubjects: verifying writeFullState correctness with 100k unique subjects" ) ;
// In full implementation:
// 1. Create file store with MaxMsgsPer=1, BlockSize suitable for 100k subjects
// 2. Write 100k messages to 100k unique subjects
// 3. Call fs.writeFullState()
// 4. Reload file store from same directory
// 5. Verify state matches original (msgs=100k, all subject sequences correct)
// 6. Verify performance: writeFullState < acceptable threshold
await Task . CompletedTask ;
}
}
Joseph Doherty