Content Sureness

internal/pipeline/source_manifest_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 
 	"git.westgate.pw/ShadowsOverWestgate/sow-tools/internal/buildinfo"
+	"git.westgate.pw/ShadowsOverWestgate/sow-tools/internal/erf"
 )
 
 const validAsset = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
@@ -141,6 +142,32 @@ func TestValidateDirectSourceManifestRejectsBuilderMismatch(t *testing.T) {
 	}
 }
 
+// Two distinct source paths can collapse to the same resref+type; the chunker
+// must reject that rather than let one silently shadow the other in the ERF.
+func TestChunksFromManifestRejectsResrefCollision(t *testing.T) {
+	tga, ok := erf.HAKResourceTypeForExtension("tga")
+	if !ok {
+		t.Fatal("tga is not a hak resource type")
+	}
+	mk := func(rel, resref string) assetResource {
+		r := erf.Resource{Name: resref, Type: tga}
+		return assetResource{Rel: rel, Resource: r, Size: erf.ArchiveSize([]erf.Resource{r})}
+	}
+	entry := BuildManifestHAK{Name: "core_01", Group: "core"}
+
+	collide := []assetResource{mk("creature/foo.tga", "foo"), mk("placeable/foo.tga", "foo")}
+	entry.Assets = []string{"creature/foo.tga", "placeable/foo.tga"}
+	if _, err := chunksFromManifest(collide, []BuildManifestHAK{entry}); err == nil {
+		t.Fatal("expected resref+type collision rejection")
+	}
+
+	distinct := []assetResource{mk("creature/foo.tga", "foo"), mk("placeable/bar.tga", "bar")}
+	entry.Assets = []string{"creature/foo.tga", "placeable/bar.tga"}
+	if _, err := chunksFromManifest(distinct, []BuildManifestHAK{entry}); err != nil {
+		t.Fatalf("distinct resrefs should pack cleanly: %v", err)
+	}
+}
+
 func TestContentAddressedBlobPath(t *testing.T) {
 	root := "/var/cache/blobs"
 	got, err := contentAddressedBlobPath(root, validAsset)