Genarrative/apps/ai-game-creator-shell/tests/uiEditorKeyboardShortcuts.test.ts

// @vitest-environment jsdom

import { fireEvent } from '@testing-library/react';
import { afterEach, describe, expect, it, vi } from 'vitest';

import { handleUiEditorKeyDown } from '../src/view/ui-editor/uiEditorKeyboardShortcuts';

describe('ui editor keyboard shortcuts', () => {
  afterEach(() => {
    document.body.replaceChildren();
  });

  it.each([
    { key: 'z', ctrlKey: true },
    { key: 'z', ctrlKey: true, shiftKey: true },
    { key: 'y', ctrlKey: true },
  ])('does not change history from inside a modal (%o)', (shortcut) => {
    const dialog = document.createElement('div');
    dialog.setAttribute('role', 'dialog');
    const button = document.createElement('button');
    dialog.append(button);
    document.body.append(dialog);
    const historyUndo = vi.fn(() => true);
    const historyRedo = vi.fn(() => true);
    const listener = (event: KeyboardEvent) =>
      handleUiEditorKeyDown(event, {
        selectedNodeId: null,
        deleteNode: vi.fn(),
        historyUndo,
        historyRedo,
      });
    window.addEventListener('keydown', listener);

    fireEvent.keyDown(button, shortcut);

    expect(historyUndo).not.toHaveBeenCalled();
    expect(historyRedo).not.toHaveBeenCalled();
    window.removeEventListener('keydown', listener);
  });

  it('keeps undo available from a non-modal button', () => {
    const button = document.createElement('button');
    document.body.append(button);
    const historyUndo = vi.fn(() => true);
    const historyRedo = vi.fn(() => true);
    const listener = (event: KeyboardEvent) =>
      handleUiEditorKeyDown(event, {
        selectedNodeId: null,
        deleteNode: vi.fn(),
        historyUndo,
        historyRedo,
      });
    window.addEventListener('keydown', listener);

    fireEvent.keyDown(button, { key: 'z', ctrlKey: true });

    expect(historyUndo).toHaveBeenCalledTimes(1);
    window.removeEventListener('keydown', listener);
  });

  it.each(['Delete', 'Backspace'])(
    'does not delete a node when the zoom slider has focus (%s)',
    (key) => {
      const slider = document.createElement('input');
      slider.type = 'range';
      document.body.append(slider);
      const deleteNode = vi.fn(() => ({ ok: true }));
      const listener = (event: KeyboardEvent) =>
        handleUiEditorKeyDown(event, {
          selectedNodeId: 'node-1',
          deleteNode,
          historyUndo: vi.fn(() => true),
          historyRedo: vi.fn(() => true),
        });
      window.addEventListener('keydown', listener);

      fireEvent.keyDown(slider, { key });

      expect(deleteNode).not.toHaveBeenCalled();
      window.removeEventListener('keydown', listener);
    },
  );

  it('keeps node deletion available after zoom button focus is released', () => {
    const zoomControls = document.createElement('div');
    const zoomIn = document.createElement('button');
    zoomControls.append(zoomIn);
    document.body.append(zoomControls);
    const deleteNode = vi.fn(() => ({ ok: true }));
    const listener = (event: KeyboardEvent) =>
      handleUiEditorKeyDown(event, {
        selectedNodeId: 'node-1',
        deleteNode,
        historyUndo: vi.fn(() => true),
        historyRedo: vi.fn(() => true),
      });
    window.addEventListener('keydown', listener);

    fireEvent.click(zoomIn);
    fireEvent.keyDown(window, { key: 'Delete' });

    expect(deleteNode).toHaveBeenCalledWith('node-1');
    window.removeEventListener('keydown', listener);
  });
});