up

src/Scanner/__Tests/StellaOps.Scanner.Worker.Tests/ScannerWorkerOptionsValidatorTests.cs

@@ -21,14 +21,27 @@ public sealed class ScannerWorkerOptionsValidatorTests
     }
 
     [Fact]
-    public void Validate_Succeeds_WhenHeartbeatSafetyFactorAtLeastThree()
-    {
-        var options = new ScannerWorkerOptions();
-        options.Queue.HeartbeatSafetyFactor = 3.5;
-
-        var validator = new ScannerWorkerOptionsValidator();
-        var result = validator.Validate(string.Empty, options);
-
-        Assert.True(result.Succeeded, "Validation should succeed when HeartbeatSafetyFactor >= 3.");
-    }
-}
+    public void Validate_Succeeds_WhenHeartbeatSafetyFactorAtLeastThree()
+    {
+        var options = new ScannerWorkerOptions();
+        options.Queue.HeartbeatSafetyFactor = 3.5;
+
+        var validator = new ScannerWorkerOptionsValidator();
+        var result = validator.Validate(string.Empty, options);
+
+        Assert.True(result.Succeeded, "Validation should succeed when HeartbeatSafetyFactor >= 3.");
+    }
+
+    [Fact]
+    public void Validate_Fails_WhenDeterminismConcurrencyLimitNonPositive()
+    {
+        var options = new ScannerWorkerOptions();
+        options.Determinism.ConcurrencyLimit = 0;
+
+        var validator = new ScannerWorkerOptionsValidator();
+        var result = validator.Validate(string.Empty, options);
+
+        Assert.True(result.Failed, "Validation should fail when Determinism.ConcurrencyLimit <= 0.");
+        Assert.Contains(result.Failures, failure => failure.Contains("ConcurrencyLimit", StringComparison.OrdinalIgnoreCase));
+    }
+}