Migrate remaining configuration documents to ConfigKit

internal/config/document_configkit_test.go

@@ -0,0 +1,56 @@
+package config
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestSingleSourceDocumentsRejectConfigKitDirectives(t *testing.T) {
+	dir := t.TempDir()
+	campaignPath := filepath.Join(dir, "campaign.yml")
+	if err := os.WriteFile(campaignPath, []byte("configkit:\n  imports: []\ncampaign_id: sample\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	tests := []struct {
+		name string
+		load func() error
+	}{
+		{name: "campaign", load: func() error { _, err := LoadCampaign(campaignPath); return err }},
+		{name: "session", load: func() error {
+			_, err := LoadSessionBytesWithOptions("session.yml", []byte("configkit:\n  imports: []\nsession_id: sample\n"), SessionLoadOptions{})
+			return err
+		}},
+		{name: "party", load: func() error {
+			_, err := ParseParty([]byte("configkit:\n  imports: []\nschema_version: narratio.party.v1\ncharacters: {}\n"))
+			return err
+		}},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if err := test.load(); err == nil || !strings.Contains(err.Error(), "import.disabled") {
+				t.Fatalf("load error = %v, want disabled-import diagnostic", err)
+			}
+		})
+	}
+}
+
+func TestInspectedDocumentsEnforceConfigKitSizeLimit(t *testing.T) {
+	tooLarge := bytes.Repeat([]byte{' '}, int(maxConfigDocumentBytes)+1)
+	if _, err := LoadSessionBytesWithOptions("session.yml", tooLarge, SessionLoadOptions{}); err == nil || !strings.Contains(err.Error(), "exceeds") {
+		t.Fatalf("oversized session error = %v", err)
+	}
+	if _, err := ParseParty(tooLarge); err == nil || !strings.Contains(err.Error(), "exceeds") {
+		t.Fatalf("oversized party error = %v", err)
+	}
+
+	path := filepath.Join(t.TempDir(), "session.yml")
+	if err := os.WriteFile(path, tooLarge, 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := LoadSession(path); err == nil || !strings.Contains(err.Error(), "limit") {
+		t.Fatalf("oversized local session error = %v", err)
+	}
+}