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ScadaBridge/tests/ZB.MOM.WW.ScadaBridge.HealthMonitoring.Tests/SiteAuditWriteFailuresMetricTests.cs
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Joseph Doherty 513fa1aa16 docs(tests): fix CommentChecker findings across tests/ — 13,392 → 0 (repo-wide scan clean)
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- add summaries to ~10k test methods, fixtures, fakes and helpers
  (+ <param> on theories, <returns> on async Task methods,
  <inheritdoc/> on interface implementations the checker can resolve)
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  #NN, Component-0NN) from comments, keeping the explanatory text;
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- real docs on fakes implementing BCL/library interfaces
  (IDisposable, ILogger, IOptionsMonitor, IAsyncLifetime)
- reword the last 5 src/ false positives (CWE-1236, failures-1,
  year-0001, M365)

Only non-comment edits: four one-line nested classes split across lines
so members can carry docs. Build 0 errors / 0 warnings.
2026-10-07 15:05:49 -04:00

55 lines
2.1 KiB
C#

namespace ZB.MOM.WW.ScadaBridge.HealthMonitoring.Tests;
/// <summary>
/// Regression coverage for the site audit write failure metric. The site-side Audit Log writer chain
/// (FallbackAuditWriter) increments <see cref="IAuditWriteFailureCounter"/>
/// every time the primary SQLite writer throws. Bundle G bridges that counter
/// into the Site Health Monitoring report payload as <c>SiteAuditWriteFailures</c>
/// so a sustained audit-write outage surfaces on /monitoring/health rather than
/// disappearing into a NoOp sink.
/// </summary>
public class SiteAuditWriteFailuresMetricTests
{
private readonly SiteHealthCollector _collector = new();
/// <summary>Verifies that incrementing the counter three times makes it report 3.</summary>
[Fact]
public void Increment_Three_Times_Counter_Reports_3()
{
_collector.IncrementSiteAuditWriteFailures();
_collector.IncrementSiteAuditWriteFailures();
_collector.IncrementSiteAuditWriteFailures();
var report = _collector.CollectReport("site-1");
Assert.Equal(3, report.SiteAuditWriteFailures);
}
/// <summary>Verifies that the report payload includes the site audit write failure count as zero by default.</summary>
[Fact]
public void Report_Payload_Includes_SiteAuditWriteFailures_AsZeroByDefault()
{
var report = _collector.CollectReport("site-1");
Assert.Equal(0, report.SiteAuditWriteFailures);
}
/// <summary>
/// Mirrors the existing per-interval reset semantics for ScriptErrorCount /
/// AlarmEvaluationErrorCount / DeadLetterCount — SiteAuditWriteFailures is an
/// interval count, not a running total.
/// </summary>
[Fact]
public void CollectReport_Resets_SiteAuditWriteFailures()
{
_collector.IncrementSiteAuditWriteFailures();
_collector.IncrementSiteAuditWriteFailures();
var first = _collector.CollectReport("site-1");
Assert.Equal(2, first.SiteAuditWriteFailures);
var second = _collector.CollectReport("site-1");
Assert.Equal(0, second.SiteAuditWriteFailures);
}
}