feat(audit-log): SiteAuditRetentionOptions (7-day default, clamped 1-90)

RetentionDays clamped [1,90]; PurgeInterval clamped to >= 1 min (Timer spin footgun); 5-min InitialDelay so a daily-recycled node still purges. (PLAN-04 Task 2)
2026-07-09 06:13:05 -04:00
parent 731ee69797
commit b5271da5c8
2 changed files with 93 additions and 0 deletions
@@ -0,0 +1,33 @@
+using ZB.MOM.WW.ScadaBridge.AuditLog.Site;
+
+namespace ZB.MOM.WW.ScadaBridge.AuditLog.Tests.Site;
+
+/// <summary>
+/// Tests for <see cref="SiteAuditRetentionOptions"/> clamping (PLAN-04 Task 2).
+/// The resolved knobs guard the daily site retention job against misconfiguration:
+/// retention days are clamped to [1, 90]; the purge interval is clamped away from
+/// TimeSpan.Zero (an Akka/Timer spin footgun).
+/// </summary>
+public class SiteAuditRetentionOptionsTests
+{
+    [Theory]
+    [InlineData(0, 1)]     // clamp floor
+    [InlineData(7, 7)]     // default passthrough
+    [InlineData(365, 90)]  // clamp ceiling (spec: min 1, max 90)
+    public void ResolvedRetentionDays_Clamps(int configured, int expected)
+        => Assert.Equal(expected, new SiteAuditRetentionOptions { RetentionDays = configured }.ResolvedRetentionDays);
+
+    [Fact]
+    public void Defaults_Are_SevenDays_DailyPurge_FiveMinuteInitialDelay()
+    {
+        var o = new SiteAuditRetentionOptions();
+        Assert.Equal(7, o.ResolvedRetentionDays);
+        Assert.Equal(TimeSpan.FromHours(24), o.ResolvedPurgeInterval);
+        Assert.Equal(TimeSpan.FromMinutes(5), o.InitialDelay);
+    }
+
+    [Fact]
+    public void ResolvedPurgeInterval_ClampsZeroToOneMinute()
+        => Assert.Equal(TimeSpan.FromMinutes(1),
+            new SiteAuditRetentionOptions { PurgeInterval = TimeSpan.Zero }.ResolvedPurgeInterval);
+}