Materialize extraction reference files

internal/framework/pipeline/runner_test.go

@@ -559,6 +559,60 @@ func TestRunPassesModuleBindingConfigToStageRequests(t *testing.T) {
 	}
 }
 
+func TestRunPassesLaneReferencesToExtractorRequests(t *testing.T) {
+	modules := defaultRunnerModules()
+	pipeline := resolvedPipeline()
+	pipeline.ArtifactLanes[0].ReferenceSet = contracts.ReferenceSet{
+		Slots: map[string]contracts.ResolvedReferenceSlot{
+			"roster": {
+				Slot: contracts.ReferenceSlot{Name: "roster"},
+				Items: []contracts.ReferenceItem{
+					{
+						SlotName:      "roster",
+						MediaType:     "text/plain; charset=utf-8",
+						Content:       []byte("reference text"),
+						Digest:        "sha256:test",
+						Origin:        contracts.ReferenceOrigin{Type: "file", URI: "file:///tmp/reference.txt"},
+						SizeBytes:     int64(len("reference text")),
+						BindingSource: contracts.ReferenceBindingSourceConfig,
+					},
+				},
+			},
+		},
+	}
+
+	_, err := New(newRunnerRegistries(t, modules)).Run(context.Background(), RunInput{Pipeline: pipeline})
+	if err != nil {
+		t.Fatalf("Run() error = %v, want nil", err)
+	}
+
+	req := modules.extractors["extract-alpha"].requests[0]
+	item := req.References.Slots["roster"].Items[0]
+	if string(item.Content) != "reference text" {
+		t.Fatalf("reference content = %q, want reference text", item.Content)
+	}
+	item.Content[0] = 'R'
+	if got := string(pipeline.ArtifactLanes[0].ReferenceSet.Slots["roster"].Items[0].Content); got != "reference text" {
+		t.Fatalf("runner mutated reference set content = %q", got)
+	}
+}
+
+func TestRunIncludesInputWarnings(t *testing.T) {
+	modules := defaultRunnerModules()
+	warning := contracts.Warning{Scope: "reference", ReasonCode: "empty_reference", Message: "empty reference"}
+
+	output, err := New(newRunnerRegistries(t, modules)).Run(context.Background(), RunInput{
+		Pipeline: resolvedPipeline(),
+		Warnings: []contracts.Warning{warning},
+	})
+	if err != nil {
+		t.Fatalf("Run() error = %v, want nil", err)
+	}
+	if len(output.Warnings) != 1 || output.Warnings[0] != warning {
+		t.Fatalf("warnings = %#v, want input warning", output.Warnings)
+	}
+}
+
 func TestRunRecordsTopLevelModuleMetadataForSingletonModules(t *testing.T) {
 	modules := defaultRunnerModules()
 	modules.input.manifestMetadata = map[string]any{