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fix: apply BecomeLeader() to all cluster test fixtures after stepdown

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Extended the BecomeLeader() fix to JetStreamClusterFixture,
ClusterFailoverFixture, and LeaderFailoverParityFixture. All three
fixtures now auto-simulate leader election after stepdown, matching
the MetaControllerFixture fix from the previous commit.
This commit is contained in:
Joseph Doherty
2026-02-24 18:09:28 -05:00
parent d286349262
commit b0fa01e201
3 changed files with 34 additions and 4 deletions
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20
tests/NATS.Server.Tests/JetStream/Cluster/JetStreamClusterFixture.cs
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@@ -223,7 +223,17 @@ internal sealed class JetStreamClusterFixture : IAsyncDisposable
/// Go ref: nc.Request() in cluster test helpers.
/// </summary>
public Task<JetStreamApiResponse> RequestAsync(string subject, string payload)
=> Task.FromResult(_router.Route(subject, Encoding.UTF8.GetBytes(payload)));
{
var response = _router.Route(subject, Encoding.UTF8.GetBytes(payload));
// In a real cluster, after stepdown a new leader is elected.
// Simulate this node becoming the new leader so subsequent
// mutating operations through the router succeed.
if (subject.Equals(JetStreamApiSubjects.MetaLeaderStepdown, StringComparison.Ordinal) && response.Success)
_metaGroup.BecomeLeader();
return Task.FromResult(response);
}
// ---------------------------------------------------------------
// Leader operations
@@ -241,7 +251,13 @@ internal sealed class JetStreamClusterFixture : IAsyncDisposable
/// Go ref: c.leader().Shutdown() in jetstream_helpers_test.go.
/// </summary>
public void StepDownMetaLeader()
=> _metaGroup.StepDown();
{
_metaGroup.StepDown();
// In a real cluster, a new leader is elected after stepdown.
// Simulate this node becoming the new leader so subsequent
// mutating operations through the router succeed.
_metaGroup.BecomeLeader();
}
/// <summary>
/// Returns the current meta-group state snapshot.