stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/__Tests/StellaOps.Replay.Tests/ReplayEngineTestFakes.cs

@@ -0,0 +1,53 @@
+using StellaOps.Evidence.Models;
+using StellaOps.Replay.Engine;
+using StellaOps.Replay.Models;
+using StellaOps.Testing.Manifests.Models;
+using System.Collections.Immutable;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace StellaOps.Replay.Tests;
+
+internal sealed class FakeFeedLoader : IFeedLoader
+{
+    public Task<FeedSnapshot> LoadByDigestAsync(string digest, CancellationToken ct = default)
+        => Task.FromResult(new FeedSnapshot("nvd", "v1", digest, ReplayEngineTestFixtures.FixedFeedSnapshotAt));
+}
+
+internal sealed class FakePolicyLoader : IPolicyLoader
+{
+    public Task<PolicySnapshot> LoadByDigestAsync(string digest, CancellationToken ct = default)
+        => Task.FromResult(new PolicySnapshot("1.0.0", digest, ImmutableArray<string>.Empty));
+}
+
+internal sealed class FakeScannerFactory : IScannerFactory
+{
+    public IScanner Create(ScannerOptions options) => new FakeScanner(options);
+}
+
+internal sealed class FakeScanner : IScanner
+{
+    private readonly ScannerOptions _options;
+    public FakeScanner(ScannerOptions options) => _options = options;
+
+    public Task<ScanResult> ScanAsync(ImmutableArray<ArtifactDigest> artifacts, CancellationToken ct = default)
+    {
+        var verdict = new
+        {
+            feedVersion = _options.FeedSnapshot.Version,
+            policyDigest = _options.PolicySnapshot.LatticeRulesDigest
+        };
+        var evidence = new EvidenceIndex
+        {
+            IndexId = ReplayEngineTestFixtures.EvidenceIndexId,
+            SchemaVersion = "1.0.0",
+            Verdict = new VerdictReference("v1", new string('d', 64), VerdictOutcome.Pass, null),
+            Sboms = ImmutableArray<SbomEvidence>.Empty,
+            Attestations = ImmutableArray<AttestationEvidence>.Empty,
+            ToolChain = new ToolChainEvidence("1", "1", "1", "1", "1", ImmutableDictionary<string, string>.Empty),
+            RunManifestDigest = new string('e', 64),
+            CreatedAt = ReplayEngineTestFixtures.FixedTimestamp
+        };
+        return Task.FromResult(new ScanResult(verdict, evidence, 10));
+    }
+}