1

src/components/puzzle-runtime/PuzzleRuntimeShell.test.tsx

@@ -1,11 +1,16 @@
 /* @vitest-environment jsdom */
 
-import { act, fireEvent, render, screen, within } from '@testing-library/react';
+import { act, fireEvent, render, screen, waitFor, within } from '@testing-library/react';
 import { expect, test, vi } from 'vitest';
 
 import type { PuzzleRunSnapshot } from '../../../packages/shared/src/contracts/puzzleRuntimeSession';
 import { AuthUiContext } from '../auth/AuthUiContext';
-import { PuzzleRuntimeShell } from './PuzzleRuntimeShell';
+import {
+  PuzzleRuntimeShell,
+  resolveDraggedMergedGroupLayer,
+  resolveDraggedPieceCellLayer,
+  resolveDraggedPieceLayer,
+} from './PuzzleRuntimeShell';
 
 vi.mock('../../hooks/useResolvedAssetReadUrl', () => ({
   useResolvedAssetReadUrl: () => ({
@@ -247,3 +252,16 @@ test('合并块按实际拼块外轮廓描边', () => {
   expect(outlinedPieces[2]?.className).toContain('border-t-0');
   expect(outlinedPieces[2]?.className).toContain('rounded-bl-[0.85rem]');
 });
+
+test('拖拽层级辅助函数只提升当前被拖动对象', () => {
+  expect(resolveDraggedPieceCellLayer('piece-0', 'piece-0', false)).toBe(80);
+  expect(resolveDraggedPieceCellLayer('piece-0', 'piece-1', false)).toBeUndefined();
+  expect(resolveDraggedPieceCellLayer('piece-0', 'piece-0', true)).toBeUndefined();
+
+  expect(resolveDraggedPieceLayer('piece-0', 'piece-0', false)).toBe(81);
+  expect(resolveDraggedPieceLayer('piece-0', null, false)).toBeUndefined();
+  expect(resolveDraggedPieceLayer('piece-0', 'piece-0', true)).toBeUndefined();
+
+  expect(resolveDraggedMergedGroupLayer('group-1', 'group-1')).toBe(90);
+  expect(resolveDraggedMergedGroupLayer('group-1', 'group-2')).toBeUndefined();
+});