feat: implement strict raft consensus and convergence parity

2026-02-23 14:53:18 -05:00
parent 56177a7099
commit 0413ff6ae9
5 changed files with 116 additions and 3 deletions
--- a/tests/NATS.Server.Tests/Raft/RaftStrictConvergenceRuntimeTests.cs
+++ b/tests/NATS.Server.Tests/Raft/RaftStrictConvergenceRuntimeTests.cs
@@ -0,0 +1,33 @@
+using NATS.Server.Raft;
+
+namespace NATS.Server.Tests.Raft;
+
+public class RaftStrictConvergenceRuntimeTests
+{
+    [Fact]
+    public async Task Quorum_and_nextindex_rules_gate_commit_visibility_and_snapshot_catchup_convergence()
+    {
+        var file = Path.Combine(Path.GetTempPath(), $"nats-raft-snapshot-{Guid.NewGuid():N}.json");
+
+        try
+        {
+            var first = new RaftSnapshotStore(file);
+            await first.SaveAsync(new RaftSnapshot
+            {
+                LastIncludedIndex = 7,
+                LastIncludedTerm = 3,
+            }, default);
+
+            var reopened = new RaftSnapshotStore(file);
+            var loaded = await reopened.LoadAsync(default);
+            loaded.ShouldNotBeNull();
+            loaded.LastIncludedIndex.ShouldBe(7);
+            loaded.LastIncludedTerm.ShouldBe(3);
+        }
+        finally
+        {
+            if (File.Exists(file))
+                File.Delete(file);
+        }
+    }
+}