docs consolidation and others

src/Scanner/__Tests/StellaOps.Scanner.WebService.Tests/ScannerApplicationFactory.cs

@@ -8,10 +8,12 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Npgsql;
 using StellaOps.Infrastructure.Postgres.Testing;
+using StellaOps.Scanner.Reachability.Slices;
 using StellaOps.Scanner.Storage;
 using StellaOps.Scanner.Surface.Validation;
 using StellaOps.Scanner.Triage;
 using StellaOps.Scanner.WebService.Diagnostics;
+using StellaOps.Scanner.WebService.Services;
 
 namespace StellaOps.Scanner.WebService.Tests;
 
@@ -143,6 +145,7 @@ public sealed class ScannerApplicationFactory : WebApplicationFactory<ServiceSta
             configureServices?.Invoke(services);
             services.RemoveAll<ISurfaceValidatorRunner>();
             services.AddSingleton<ISurfaceValidatorRunner, TestSurfaceValidatorRunner>();
+            services.TryAddSingleton<ISliceQueryService, NullSliceQueryService>();
         });
     }
 
@@ -208,4 +211,30 @@ public sealed class ScannerApplicationFactory : WebApplicationFactory<ServiceSta
                 ".."));
         }
     }
+
+    private sealed class NullSliceQueryService : ISliceQueryService
+    {
+        public Task<SliceQueryResponse> QueryAsync(SliceQueryRequest request, CancellationToken cancellationToken = default)
+            => Task.FromResult(new SliceQueryResponse
+            {
+                SliceDigest = "sha256:null",
+                Verdict = "unknown",
+                Confidence = 0.0,
+                CacheHit = false
+            });
+
+        public Task<ReachabilitySlice?> GetSliceAsync(string digest, CancellationToken cancellationToken = default)
+            => Task.FromResult<ReachabilitySlice?>(null);
+
+        public Task<object?> GetSliceDsseAsync(string digest, CancellationToken cancellationToken = default)
+            => Task.FromResult<object?>(null);
+
+        public Task<SliceReplayResponse> ReplayAsync(SliceReplayRequest request, CancellationToken cancellationToken = default)
+            => Task.FromResult(new SliceReplayResponse
+            {
+                Match = true,
+                OriginalDigest = request.SliceDigest ?? "sha256:null",
+                RecomputedDigest = request.SliceDigest ?? "sha256:null"
+            });
+    }
 }