Files
scadalink-design/tests/ScadaLink.SiteRuntime.Tests/Scripts/SharedScriptLibraryTests.cs
Joseph Doherty 389f5a0378 Phase 3B: Site I/O & Observability — Communication, DCL, Script/Alarm actors, Health, Event Logging
Communication Layer (WP-1–5):
- 8 message patterns with correlation IDs, per-pattern timeouts
- Central/Site communication actors, transport heartbeat config
- Connection failure handling (no central buffering, debug streams killed)

Data Connection Layer (WP-6–14, WP-34):
- Connection actor with Become/Stash lifecycle (Connecting/Connected/Reconnecting)
- OPC UA + LmxProxy adapters behind IDataConnection
- Auto-reconnect, bad quality propagation, transparent re-subscribe
- Write-back, tag path resolution with retry, health reporting
- Protocol extensibility via DataConnectionFactory

Site Runtime (WP-15–25, WP-32–33):
- ScriptActor/ScriptExecutionActor (triggers, concurrent execution, blocking I/O dispatcher)
- AlarmActor/AlarmExecutionActor (ValueMatch/RangeViolation/RateOfChange, in-memory state)
- SharedScriptLibrary (inline execution), ScriptRuntimeContext (API)
- ScriptCompilationService (Roslyn, forbidden API enforcement, execution timeout)
- Recursion limit (default 10), call direction enforcement
- SiteStreamManager (per-subscriber bounded buffers, fire-and-forget)
- Debug view backend (snapshot + stream), concurrency serialization
- Local artifact storage (4 SQLite tables)

Health Monitoring (WP-26–28):
- SiteHealthCollector (thread-safe counters, connection state)
- HealthReportSender (30s interval, monotonic sequence numbers)
- CentralHealthAggregator (offline detection 60s, online recovery)

Site Event Logging (WP-29–31):
- SiteEventLogger (SQLite, 6 event categories, ISO 8601 UTC)
- EventLogPurgeService (30-day retention, 1GB cap)
- EventLogQueryService (filters, keyword search, keyset pagination)

541 tests pass, zero warnings.
2026-03-16 20:57:25 -04:00

91 lines
2.7 KiB
C#

using Microsoft.Extensions.Logging.Abstractions;
using ScadaLink.SiteRuntime.Scripts;
namespace ScadaLink.SiteRuntime.Tests.Scripts;
/// <summary>
/// WP-17: Shared Script Library tests — compile, register, execute inline.
/// </summary>
public class SharedScriptLibraryTests
{
private readonly ScriptCompilationService _compilationService;
private readonly SharedScriptLibrary _library;
public SharedScriptLibraryTests()
{
_compilationService = new ScriptCompilationService(
NullLogger<ScriptCompilationService>.Instance);
_library = new SharedScriptLibrary(
_compilationService, NullLogger<SharedScriptLibrary>.Instance);
}
[Fact]
public void CompileAndRegister_ValidScript_Succeeds()
{
var result = _library.CompileAndRegister("add", "1 + 2");
Assert.True(result);
Assert.True(_library.Contains("add"));
}
[Fact]
public void CompileAndRegister_InvalidScript_ReturnsFalse()
{
var result = _library.CompileAndRegister("bad", "this is not valid {{{");
Assert.False(result);
Assert.False(_library.Contains("bad"));
}
[Fact]
public void CompileAndRegister_ForbiddenApi_ReturnsFalse()
{
var result = _library.CompileAndRegister("evil", "System.IO.File.Delete(\"/tmp\")");
Assert.False(result);
}
[Fact]
public void CompileAndRegister_Replaces_ExistingScript()
{
_library.CompileAndRegister("calc", "1 + 1");
_library.CompileAndRegister("calc", "2 + 2");
Assert.True(_library.Contains("calc"));
// Should have only one entry
Assert.Equal(1, _library.GetRegisteredScriptNames().Count(n => n == "calc"));
}
[Fact]
public void Remove_RegisteredScript_ReturnsTrue()
{
_library.CompileAndRegister("temp", "42");
Assert.True(_library.Remove("temp"));
Assert.False(_library.Contains("temp"));
}
[Fact]
public void Remove_NonexistentScript_ReturnsFalse()
{
Assert.False(_library.Remove("nonexistent"));
}
[Fact]
public void GetRegisteredScriptNames_ReturnsAllNames()
{
_library.CompileAndRegister("a", "1");
_library.CompileAndRegister("b", "2");
_library.CompileAndRegister("c", "3");
var names = _library.GetRegisteredScriptNames();
Assert.Equal(3, names.Count);
Assert.Contains("a", names);
Assert.Contains("b", names);
Assert.Contains("c", names);
}
[Fact]
public async Task ExecuteAsync_NonexistentScript_Throws()
{
await Assert.ThrowsAsync<InvalidOperationException>(
() => _library.ExecuteAsync("missing", null!));
}
}