perf(kpi-history): time-sliced batched purge replaces the single daily mega-DELETE

2026-07-09 09:06:42 -04:00
parent 5332912f26
commit 71189298a2
4 changed files with 116 additions and 5 deletions
@@ -87,6 +87,25 @@ public static class SqliteTestHelper
        return context;
    }

+    /// <summary>
+    /// In-memory SQLite context with EF command interceptors attached — lets a
+    /// test observe the actual SQL a repository emits (e.g. count DELETE statements
+    /// issued by a batched purge).
+    /// </summary>
+    public static ScadaBridgeDbContext CreateInMemoryContext(params IInterceptor[] interceptors)
+    {
+        var options = new DbContextOptionsBuilder<ScadaBridgeDbContext>()
+            .UseSqlite("DataSource=:memory:")
+            .ConfigureWarnings(w => w.Ignore(RelationalEventId.PendingModelChangesWarning))
+            .AddInterceptors(interceptors)
+            .Options;
+
+        var context = new SqliteTestDbContext(options);
+        context.Database.OpenConnection();
+        context.Database.EnsureCreated();
+        return context;
+    }
+
    public static ScadaBridgeDbContext CreateFileContext(string dbPath)
    {
        var options = new DbContextOptionsBuilder<ScadaBridgeDbContext>()