Files
ScadaBridge/tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/ScriptAnalysis/BoundedSandboxOutputTests.cs
T
Joseph Doherty 9a87d7a328 Resolve all 33 medium-severity architecture review findings
Second slice of the 2026-09-09 whole-system review remediation
(docs/plans/2026-09-09-arch-review.md §10), on top of the High slice 146a1323.

Runtime/devices: SR-2 alarm on-trigger integration scope; SR-3 correlated NativeAlarmActor
subscribe retry; SR-4 immutable audited DB target; SR-5 ordered InstanceActor stop/flush;
SR-12 rehydration fence; SR-13 S&F gate recheck per delivery; DC-4 no OPC UA security
downgrade; DC-5 alarm snapshot for every new subscriber; ORCH-1 sync-dispose joins the pump.

Management/UI: MG-2 site scope on audit tree + Flow Debugger Replay; MG-3 stale-probe memo
removed; MG-4 server-owned bulk-deploy deadline; UI-5 sandbox runs in a killable child
process (new CentralUI.SandboxWorker project); UI-14 bounded sandbox output/IPC.

Edge/audit: EI-1 relay audit ownership; EI-2 SkipBodyCapture suppresses error text; EI-3/EI-11
error-field redaction + caps; EI-4 single relay deadline, pre-execution-only retry; EI-5
authenticated relay provenance; EI-10 body cap before audit read.

Persistence/contracts: DL-1 global Instance.UniqueName unique index + conflict translation;
DL-2 DataConnection protocol config encrypted at rest (migration
20260909203046_EnforceGlobalInstanceNamesAndProtectProtocolConfiguration — coordinated
central upgrade, old binaries cannot read protected rows); DL-3 bounded Replay paging;
DL-6 cross-site Overwrite of a deployed instance rejected; XC-4 proto descriptor contract test.

Config/hygiene: XC-1 central listener isolation by local port; XC-2/XC-3 inert SMTP + cron
keys removed from rig settings; CM-2 env2 bootstrap guard enabled; DC-6 deploy site exit code;
DC-7 notifier retries only explicit standby rejection; XC-5 ClusterClient purged from docs.

Gates recorded in the report: build 0/0, 9 397 passed / 0 failed, rig redeployed on all
eight nodes with the migration applied. 46 Low findings remain open.
2026-09-09 22:05:30 -04:00

36 lines
1.8 KiB
C#

using Microsoft.Extensions.DependencyInjection;
using ZB.MOM.WW.ScadaBridge.CentralUI.ScriptAnalysis;
namespace ZB.MOM.WW.ScadaBridge.CentralUI.Tests.ScriptAnalysis;
[Collection("Sandbox worker processes")]
public class BoundedSandboxOutputTests
{
[Theory]
[InlineData("block")]
[InlineData("new { Data = block }")]
public async Task Worker_OversizedConsoleAndReturn_AreExplicitlyBounded(string returnExpression)
{
using var services = new Microsoft.Extensions.DependencyInjection.ServiceCollection().BuildServiceProvider();
using var cache = new Microsoft.Extensions.Caching.Memory.MemoryCache(new Microsoft.Extensions.Caching.Memory.MemoryCacheOptions());
var runner = new ScriptAnalysisService(NSubstitute.Substitute.For<ISharedScriptCatalog>(), cache, services);
var result = await runner.RunInSandboxAsync(new SandboxRunRequest(
"var block = new string('x', 100000); for (int i=0; i<1000; i++) System.Console.Write(block); return " + returnExpression + ";", null, 10), CancellationToken.None);
Assert.True(result.Success, result.Error);
Assert.True(result.ConsoleOutput.Length < 32100);
Assert.Contains("truncated", result.ConsoleOutput);
Assert.Contains("truncated", result.ReturnValueJson!);
Assert.True(System.Text.Encoding.UTF8.GetByteCount(result.ReturnValueJson!) < 32000);
}
[Fact]
public void ConcurrentRepeatedLargeWrites_RetainOnlyBudget()
{
var writer = new BoundedSandboxWriter(32000);
var block = new string('x', 100000);
Parallel.For(0, 1000, _ => writer.WriteLine(block));
Assert.Equal(32000, writer.RetainedCharacters);
Assert.True(writer.DroppedCharacters >= 99968000);
Assert.True(writer.ToString().Length < 32100);
Assert.Contains("truncated", writer.ToString());
}
}