up

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

@@ -49,7 +49,8 @@ public sealed class SurfaceManifestStageExecutorTests
             metrics,
             NullLogger<SurfaceManifestStageExecutor>.Instance,
             hash,
-            new NullRubyPackageInventoryStore());
+            new NullRubyPackageInventoryStore(),
+            new DeterminismContext(true, DateTimeOffset.Parse("2024-01-01T00:00:00Z"), 1337, true, 1));
 
         var context = CreateContext();
 
@@ -86,7 +87,8 @@ public sealed class SurfaceManifestStageExecutorTests
             metrics,
             NullLogger<SurfaceManifestStageExecutor>.Instance,
             hash,
-            new NullRubyPackageInventoryStore());
+            new NullRubyPackageInventoryStore(),
+            new DeterminismContext(false, DateTimeOffset.UnixEpoch, null, false, null));
 
         var context = CreateContext();
         PopulateAnalysis(context);
@@ -121,6 +123,48 @@ public sealed class SurfaceManifestStageExecutorTests
         Assert.Contains(payloadMetrics, m => Equals("layer.fragments", m["surface.kind"]));
     }
 
+    [Fact]
+    public async Task ExecuteAsync_EmitsDeterminismPayload()
+    {
+        var metrics = new ScannerWorkerMetrics();
+        var publisher = new TestSurfaceManifestPublisher("tenant-a");
+        var cache = new RecordingSurfaceCache();
+        var environment = new TestSurfaceEnvironment("tenant-a");
+        var hash = CreateCryptoHash();
+        var determinism = new DeterminismContext(
+            fixedClock: true,
+            fixedInstantUtc: DateTimeOffset.Parse("2024-01-01T00:00:00Z"),
+            rngSeed: 42,
+            filterLogs: true,
+            concurrencyLimit: 1);
+
+        var executor = new SurfaceManifestStageExecutor(
+            publisher,
+            cache,
+            environment,
+            metrics,
+            NullLogger<SurfaceManifestStageExecutor>.Instance,
+            hash,
+            new NullRubyPackageInventoryStore(),
+            determinism);
+
+        var context = CreateContext();
+        context.Lease.Metadata["determinism.feed"] = "feed-001";
+        context.Lease.Metadata["determinism.policy"] = "rev-77";
+
+        await executor.ExecuteAsync(context, CancellationToken.None);
+
+        var determinismPayload = publisher.LastRequest!.Payloads.Single(p => p.Kind == "determinism.json");
+        var json = JsonDocument.Parse(determinismPayload.Content.Span);
+
+        Assert.True(json.RootElement.GetProperty("fixedClock").GetBoolean());
+        Assert.Equal(42, json.RootElement.GetProperty("rngSeed").GetInt32());
+        Assert.Equal(1, json.RootElement.GetProperty("concurrencyLimit").GetInt32());
+        Assert.Equal("feed-001", json.RootElement.GetProperty("pins").GetProperty("feed").GetString());
+        Assert.Equal("rev-77", json.RootElement.GetProperty("pins").GetProperty("policy").GetString());
+        Assert.True(json.RootElement.GetProperty("artifacts").EnumerateObject().Any());
+    }
+
     [Fact]
     public async Task ExecuteAsync_IncludesEntropyPayloads_WhenPresent()
     {
@@ -137,7 +181,8 @@ public sealed class SurfaceManifestStageExecutorTests
             metrics,
             NullLogger<SurfaceManifestStageExecutor>.Instance,
             hash,
-            new NullRubyPackageInventoryStore());
+            new NullRubyPackageInventoryStore(),
+            new DeterminismContext(false, DateTimeOffset.UnixEpoch, null, false, null));
 
         var context = CreateContext();
 
@@ -298,7 +343,8 @@ public sealed class SurfaceManifestStageExecutorTests
             metrics,
             NullLogger<SurfaceManifestStageExecutor>.Instance,
             hash,
-            new NullRubyPackageInventoryStore());
+            new NullRubyPackageInventoryStore(),
+            new DeterminismContext(false, DateTimeOffset.UnixEpoch, null, false, null));
 
         var context = CreateContext();
         var observationBytes = Encoding.UTF8.GetBytes("{\"entrypoints\":[\"mod.ts\"]}");