From 7d4c30f2877b9f56100f1d74a57a49ede774503f Mon Sep 17 00:00:00 2001
From: Ari Sulistiono <ari.sulistiono@gmail.com>
Date: Tue, 18 Aug 2026 08:32:20 +0700
Subject: [PATCH] test: ensure every uncovered point remains dynamic-first

---
 .../Iec61850ReportPlannerRegressionTests.cs   | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/tests/ARSAS.Tests/Iec61850ReportPlannerRegressionTests.cs b/tests/ARSAS.Tests/Iec61850ReportPlannerRegressionTests.cs
index f66b44bc3..65cb08e4f 100644
--- a/tests/ARSAS.Tests/Iec61850ReportPlannerRegressionTests.cs
+++ b/tests/ARSAS.Tests/Iec61850ReportPlannerRegressionTests.cs
@@ -35,6 +35,36 @@ public void BuildPlans_FastPointWithoutStaticCoverage_BecomesDynamicCandidate()
         Assert.Contains(point, plan.Bindings);
     }
 
+    [Fact]
+    public void BuildPlans_SlowMeasurementWithoutStaticCoverage_BecomesDynamicCandidate()
+    {
+        var device = BuildDevice();
+        var point = BuildSlowMeasurementPoint(device);
+
+        var plans = Iec61850ReportPlanner.BuildPlans(device, new[] { point });
+
+        var plan = Assert.Single(plans);
+        Assert.Equal("Dynamic candidate", plan.Status);
+        Assert.True(plan.AllowDynamicDataSetWrites);
+        Assert.Contains(point, plan.Bindings);
+    }
+
+    [Fact]
+    public void BuildPlans_AllUncoveredPoints_AppearExactlyOnceInDynamicCandidates()
+    {
+        var device = BuildDevice();
+        var fast = BuildFastStatusPoint(device);
+        var slow = BuildSlowMeasurementPoint(device);
+
+        var plans = Iec61850ReportPlanner.BuildPlans(device, new[] { fast, slow });
+
+        Assert.All(plans, plan => Assert.Equal("Dynamic candidate", plan.Status));
+        var bindings = plans.SelectMany(plan => plan.Bindings).ToArray();
+        Assert.Equal(2, bindings.Length);
+        Assert.Single(bindings, point => point.PointKey == fast.PointKey);
+        Assert.Single(bindings, point => point.PointKey == slow.PointKey);
+    }
+
     [Fact]
     public void BuildDynamicFallbackPlans_FastPoint_IsNotExcludedByPollingInterval()
     {
@@ -70,4 +100,18 @@ private static Iec61850MonitorPoint BuildFastStatusPoint(Iec61850MonitorDevice d
             Category = "Position",
             PollingIntervalMs = 250
         };
+
+    private static Iec61850MonitorPoint BuildSlowMeasurementPoint(Iec61850MonitorDevice device)
+        => new()
+        {
+            DeviceId = device.DeviceId,
+            DeviceName = device.Name,
+            IpAddress = device.IpAddress,
+            SignalName = "Phase A current",
+            IecReference = "IED1LD0/MMXU1.A.phsA.cVal.mag.f",
+            FunctionalConstraint = "MX",
+            IecDataType = "Float32",
+            Category = "Measurement",
+            PollingIntervalMs = 2000
+        };
 }