Files
scadalink-design/tests/ScadaLink.Communication.Tests/CommunicationOptionsTests.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

62 lines
2.3 KiB
C#

namespace ScadaLink.Communication.Tests;
/// <summary>
/// WP-2: Tests for per-pattern timeout configuration.
/// </summary>
public class CommunicationOptionsTests
{
[Fact]
public void DefaultTimeouts_AreReasonable()
{
var options = new CommunicationOptions();
Assert.Equal(TimeSpan.FromMinutes(2), options.DeploymentTimeout);
Assert.Equal(TimeSpan.FromSeconds(30), options.LifecycleTimeout);
Assert.Equal(TimeSpan.FromMinutes(1), options.ArtifactDeploymentTimeout);
Assert.Equal(TimeSpan.FromSeconds(30), options.QueryTimeout);
Assert.Equal(TimeSpan.FromSeconds(30), options.IntegrationTimeout);
Assert.Equal(TimeSpan.FromSeconds(10), options.DebugViewTimeout);
Assert.Equal(TimeSpan.FromSeconds(10), options.HealthReportTimeout);
}
[Fact]
public void TransportHeartbeat_HasExplicitDefaults()
{
var options = new CommunicationOptions();
// WP-3: Transport heartbeat is explicitly configured, not framework defaults
Assert.Equal(TimeSpan.FromSeconds(5), options.TransportHeartbeatInterval);
Assert.Equal(TimeSpan.FromSeconds(15), options.TransportFailureThreshold);
}
[Fact]
public void DeploymentTimeout_IsLongestPattern()
{
var options = new CommunicationOptions();
Assert.True(options.DeploymentTimeout > options.LifecycleTimeout);
Assert.True(options.DeploymentTimeout > options.QueryTimeout);
Assert.True(options.DeploymentTimeout > options.IntegrationTimeout);
}
[Fact]
public void AllTimeouts_AreConfigurable()
{
var options = new CommunicationOptions
{
DeploymentTimeout = TimeSpan.FromMinutes(5),
LifecycleTimeout = TimeSpan.FromMinutes(1),
ArtifactDeploymentTimeout = TimeSpan.FromMinutes(3),
QueryTimeout = TimeSpan.FromMinutes(1),
IntegrationTimeout = TimeSpan.FromMinutes(1),
DebugViewTimeout = TimeSpan.FromSeconds(30),
HealthReportTimeout = TimeSpan.FromSeconds(30),
TransportHeartbeatInterval = TimeSpan.FromSeconds(2),
TransportFailureThreshold = TimeSpan.FromSeconds(10)
};
Assert.Equal(TimeSpan.FromMinutes(5), options.DeploymentTimeout);
Assert.Equal(TimeSpan.FromSeconds(2), options.TransportHeartbeatInterval);
}
}