perf(store-and-forward): enable WAL + per-connection busy_timeout on the S&F SQLite store

2026-07-08 21:01:53 -04:00
parent 7626d5ba34
commit 499a37ac78
2 changed files with 70 additions and 30 deletions
@@ -656,4 +656,31 @@ public class StoreAndForwardStorageTests : IAsyncLifetime, IDisposable
                Directory.Delete(directory, recursive: true);
        }
    }
+
+    [Fact]
+    public async Task Initialize_EnablesWalJournalMode_OnFileDatabase()
+    {
+        // WAL lets the retry-sweep lanes, script enqueues, and standby replication
+        // applies read/write concurrently without "database is locked". journal_mode
+        // is persistent + file-scoped, so a fresh connection observes it.
+        var directory = Path.Combine(Path.GetTempPath(), "sf-wal-test-" + Guid.NewGuid().ToString("N"));
+        var path = Path.Combine(directory, "wal-test.db");
+        try
+        {
+            var storage = new StoreAndForwardStorage(
+                $"Data Source={path}", NullLogger<StoreAndForwardStorage>.Instance);
+            await storage.InitializeAsync();
+
+            await using var conn = new SqliteConnection($"Data Source={path}");
+            await conn.OpenAsync();
+            await using var cmd = conn.CreateCommand();
+            cmd.CommandText = "PRAGMA journal_mode";
+            Assert.Equal("wal", (string)(await cmd.ExecuteScalarAsync())!);
+        }
+        finally
+        {
+            if (Directory.Exists(directory))
+                Directory.Delete(directory, recursive: true);
+        }
+    }
 }