feat: add navigation path in quick search (#1920)

apps/web/src/components/affine/pinboard/pinboard-render/index.tsx

@@ -2,6 +2,7 @@ import { Input } from '@affine/component';
 import {
   ArrowDownSmallIcon,
   EdgelessIcon,
+  LevelIcon,
   PageIcon,
   PivotsIcon,
 } from '@blocksuite/icons';
@@ -19,17 +20,25 @@ import { OperationButton } from './OperationButton';
 const getIcon = (type: 'root' | 'edgeless' | 'page') => {
   switch (type) {
     case 'root':
-      return <PivotsIcon />;
+      return <PivotsIcon className="mode-icon" />;
     case 'edgeless':
-      return <EdgelessIcon />;
+      return <EdgelessIcon className="mode-icon" />;
     default:
-      return <PageIcon />;
+      return <PageIcon className="mode-icon" />;
   }
 };
 
 export const PinboardRender: PinboardNode['render'] = (
   node,
-  { isOver, onAdd, onDelete, collapsed, setCollapsed, isSelected },
+  {
+    isOver,
+    onAdd,
+    onDelete,
+    collapsed,
+    setCollapsed,
+    isSelected,
+    disableCollapse,
+  },
   renderProps
 ) => {
   const {
@@ -38,6 +47,7 @@ export const PinboardRender: PinboardNode['render'] = (
     currentMeta,
     metas = [],
     blockSuiteWorkspace,
+    asPath,
   } = renderProps!;
   const record = useAtomValue(workspacePreferredModeAtom);
   const { setPageTitle } = usePageMetaHelper(blockSuiteWorkspace);
@@ -60,17 +70,22 @@ export const PinboardRender: PinboardNode['render'] = (
         onMouseLeave={() => setIsHover(false)}
         isOver={isOver || isSelected}
         active={active}
+        disableCollapse={!!disableCollapse}
       >
-        <StyledCollapsedButton
-          collapse={collapsed}
-          show={!!node.children?.length}
-          onClick={e => {
-            e.stopPropagation();
-            setCollapsed(node.id, !collapsed);
-          }}
-        >
-          <ArrowDownSmallIcon />
-        </StyledCollapsedButton>
+        {!disableCollapse && (
+          <StyledCollapsedButton
+            collapse={collapsed}
+            show={!!node.children?.length}
+            onClick={e => {
+              e.stopPropagation();
+              setCollapsed(node.id, !collapsed);
+            }}
+          >
+            <ArrowDownSmallIcon />
+          </StyledCollapsedButton>
+        )}
+
+        {asPath && !isRoot ? <LevelIcon className="path-icon" /> : null}
         {getIcon(isRoot ? 'root' : record[node.id])}
 
         {showRename ? (

apps/web/src/components/affine/pinboard/styles.ts

@@ -32,13 +32,14 @@ export const StyledPinboard = styled('div')<{
   disable?: boolean;
   active?: boolean;
   isOver?: boolean;
-}>(({ disable = false, active = false, theme, isOver }) => {
+  disableCollapse?: boolean;
+}>(({ disableCollapse, disable = false, active = false, theme, isOver }) => {
   return {
     width: '100%',
     height: '32px',
     borderRadius: '8px',
     ...displayFlex('flex-start', 'center'),
-    padding: '0 2px 0 16px',
+    padding: disableCollapse ? '0 5px' : '0 2px 0 16px',
     position: 'relative',
     color: disable
       ? theme.colors.disableColor
@@ -54,7 +55,11 @@ export const StyledPinboard = styled('div')<{
       textAlign: 'left',
       ...textEllipsis(1),
     },
-    '> svg': {
+    '.path-icon': {
+      fontSize: '16px',
+      transform: 'translateY(-4px)',
+    },
+    '.mode-icon': {
       fontSize: '20px',
       marginRight: '8px',
       flexShrink: '0',

apps/web/src/components/pure/quick-search-modal/index.tsx

@@ -15,6 +15,7 @@ import {
 
 import type { BlockSuiteWorkspace } from '../../../shared';
 import { Footer } from './Footer';
+import { NavigationPath } from './navigation-path';
 import { PublishedResults } from './PublishedResults';
 import { Results } from './Results';
 import { SearchInput } from './SearchInput';
@@ -106,8 +107,15 @@ export const QuickSearchModal: React.FC<QuickSearchModalProps> = ({
           maxHeight: '80vh',
           minHeight: isPublicAndNoQuery() ? '72px' : '412px',
           top: '80px',
+          overflow: 'hidden',
         }}
       >
+        <NavigationPath
+          blockSuiteWorkspace={blockSuiteWorkspace}
+          onJumpToPage={() => {
+            setOpen(false);
+          }}
+        />
         <Command
           shouldFilter={false}
           //Handle KeyboardEvent conflicts with blocksuite

apps/web/src/components/pure/quick-search-modal/navigation-path/index.tsx

@@ -0,0 +1,166 @@
+import { IconButton, Tooltip, TreeView } from '@affine/component';
+import { useTranslation } from '@affine/i18n';
+import {
+  ArrowRightSmallIcon,
+  CollapseIcon,
+  ExpandIcon,
+  MoreHorizontalIcon,
+} from '@blocksuite/icons';
+import type { PageMeta } from '@blocksuite/store';
+import { useRouter } from 'next/router';
+import type { MouseEvent } from 'react';
+import { Fragment, useCallback, useMemo, useState } from 'react';
+
+import { usePageMeta } from '../../../../hooks/use-page-meta';
+import type { PinboardNode } from '../../../../hooks/use-pinboard-data';
+import { usePinboardData } from '../../../../hooks/use-pinboard-data';
+import { useRouterHelper } from '../../../../hooks/use-router-helper';
+import type { BlockSuiteWorkspace } from '../../../../shared';
+import { PinboardRender } from '../../../affine/pinboard';
+import {
+  StyledNavigationPathContainer,
+  StyledNavPathExtendContainer,
+  StyledNavPathLink,
+} from './styles';
+import { calcHowManyPathShouldBeShown, findPath } from './utils';
+
+export const NavigationPath = ({
+  blockSuiteWorkspace,
+  pageId: propsPageId,
+  onJumpToPage,
+}: {
+  blockSuiteWorkspace: BlockSuiteWorkspace;
+  pageId?: string;
+  onJumpToPage?: (pageId: string) => void;
+}) => {
+  const metas = usePageMeta(blockSuiteWorkspace);
+  const router = useRouter();
+  const { t } = useTranslation();
+
+  const [openExtend, setOpenExtend] = useState(false);
+  const pageId = propsPageId ?? router.query.pageId;
+  const { jumpToPage } = useRouterHelper(router);
+  const pathData = useMemo(() => {
+    const meta = metas.find(m => m.id === pageId);
+    const path = meta ? findPath(metas, meta) : [];
+
+    const actualPath = calcHowManyPathShouldBeShown(path);
+    return {
+      hasEllipsis: path.length !== actualPath.length,
+      path: actualPath,
+    };
+  }, [metas, pageId]);
+
+  if (pathData.path.length < 2) {
+    // Means there is no parent page
+    return null;
+  }
+  return (
+    <>
+      <StyledNavigationPathContainer data-testid="navigation-path">
+        {openExtend ? (
+          <span>{t('Navigation Path')}</span>
+        ) : (
+          pathData.path.map((meta, index) => {
+            const isLast = index === pathData.path.length - 1;
+            const showEllipsis = pathData.hasEllipsis && index === 1;
+            return (
+              <Fragment key={meta.id}>
+                {showEllipsis && (
+                  <>
+                    <IconButton
+                      size="small"
+                      onClick={() => setOpenExtend(true)}
+                    >
+                      <MoreHorizontalIcon />
+                    </IconButton>
+                    <ArrowRightSmallIcon className="path-arrow" />
+                  </>
+                )}
+                <StyledNavPathLink
+                  data-testid="navigation-path-link"
+                  active={isLast}
+                  onClick={() => {
+                    if (isLast) return;
+                    jumpToPage(blockSuiteWorkspace.id, meta.id);
+                    onJumpToPage?.(meta.id);
+                  }}
+                  title={meta.title}
+                >
+                  {meta.title}
+                </StyledNavPathLink>
+                {!isLast && <ArrowRightSmallIcon className="path-arrow" />}
+              </Fragment>
+            );
+          })
+        )}
+        <Tooltip
+          content={
+            openExtend ? t('Back to Quick Search') : t('View Navigation Path')
+          }
+          placement="top"
+          disablePortal={true}
+        >
+          <IconButton
+            data-testid="navigation-path-expand-btn"
+            size="middle"
+            className="collapse-btn"
+            onClick={() => {
+              setOpenExtend(!openExtend);
+            }}
+          >
+            {openExtend ? <CollapseIcon /> : <ExpandIcon />}
+          </IconButton>
+        </Tooltip>
+      </StyledNavigationPathContainer>
+      <NavigationPathExtendPanel
+        open={openExtend}
+        blockSuiteWorkspace={blockSuiteWorkspace}
+        metas={metas}
+        onJumpToPage={onJumpToPage}
+      />
+    </>
+  );
+};
+
+const NavigationPathExtendPanel = ({
+  open,
+  metas,
+  blockSuiteWorkspace,
+  onJumpToPage,
+}: {
+  open: boolean;
+  metas: PageMeta[];
+  blockSuiteWorkspace: BlockSuiteWorkspace;
+  onJumpToPage?: (pageId: string) => void;
+}) => {
+  const router = useRouter();
+  const { jumpToPage } = useRouterHelper(router);
+
+  const handlePinboardClick = useCallback(
+    (e: MouseEvent<HTMLDivElement>, node: PinboardNode) => {
+      jumpToPage(blockSuiteWorkspace.id, node.id);
+      onJumpToPage?.(node.id);
+    },
+    [blockSuiteWorkspace.id, jumpToPage, onJumpToPage]
+  );
+
+  const { data } = usePinboardData({
+    metas,
+    pinboardRender: PinboardRender,
+    blockSuiteWorkspace: blockSuiteWorkspace,
+    onClick: handlePinboardClick,
+    asPath: true,
+  });
+
+  return (
+    <StyledNavPathExtendContainer
+      show={open}
+      data-testid="navigation-path-expand-panel"
+    >
+      <div className="tree-container">
+        <TreeView data={data} indent={10} disableCollapse={true} />
+      </div>
+    </StyledNavPathExtendContainer>
+  );
+};

apps/web/src/components/pure/quick-search-modal/navigation-path/styles.ts

@@ -0,0 +1,66 @@
+import { displayFlex, styled, textEllipsis } from '@affine/component';
+
+export const StyledNavigationPathContainer = styled('div')(({ theme }) => {
+  return {
+    height: '46px',
+    ...displayFlex('flex-start', 'center'),
+    background: theme.colors.hubBackground,
+    padding: '0 40px 0 20px',
+    position: 'relative',
+    fontSize: theme.font.sm,
+    zIndex: 2,
+    '.collapse-btn': {
+      position: 'absolute',
+      right: '12px',
+      top: 0,
+      bottom: 0,
+      margin: 'auto',
+    },
+    '.path-arrow': {
+      fontSize: '16px',
+      color: theme.colors.iconColor,
+    },
+  };
+});
+
+export const StyledNavPathLink = styled('div')<{ active?: boolean }>(
+  ({ theme, active }) => {
+    return {
+      color: active ? theme.colors.textColor : theme.colors.secondaryTextColor,
+      cursor: active ? 'auto' : 'pointer',
+      maxWidth: '160px',
+      ...textEllipsis(1),
+      padding: '0 4px',
+      transition: 'background .15s',
+      ':hover': active
+        ? {}
+        : {
+            background: theme.colors.hoverBackground,
+            borderRadius: '4px',
+          },
+    };
+  }
+);
+
+export const StyledNavPathExtendContainer = styled('div')<{ show: boolean }>(
+  ({ show, theme }) => {
+    return {
+      position: 'absolute',
+      left: '0',
+      top: show ? '0' : '-100%',
+      zIndex: '1',
+      height: '100%',
+      width: '100%',
+      background: theme.colors.hubBackground,
+      transition: 'top .15s',
+      fontSize: theme.font.sm,
+      color: theme.colors.secondaryTextColor,
+      paddingTop: '46px',
+      paddingRight: '12px',
+
+      '.tree-container': {
+        padding: '0 12px 0 15px',
+      },
+    };
+  }
+);

apps/web/src/components/pure/quick-search-modal/navigation-path/utils.ts

@@ -0,0 +1,60 @@
+import type { PageMeta } from '@blocksuite/store';
+
+export function findPath(metas: PageMeta[], meta: PageMeta): PageMeta[] {
+  function helper(group: PageMeta[]): PageMeta[] {
+    const last = group[group.length - 1];
+    const parent = metas.find(m => m.subpageIds.includes(last.id));
+    if (parent) {
+      return helper([...group, parent]);
+    }
+    return group;
+  }
+
+  return helper([meta]).reverse();
+}
+
+function getPathItemWidth(content: string) {
+  // padding is 8px, arrow is 16px, and each char is 10px
+  // the max width is 160px
+  const charWidth = 10;
+  const w = content.length * charWidth + 8 + 16;
+  return w > 160 ? 160 : w;
+}
+
+// XXX: this is a static way to calculate the path width, not get the real width
+export function calcHowManyPathShouldBeShown(path: PageMeta[]): PageMeta[] {
+  if (path.length === 0) {
+    return [];
+  }
+  const first = path[0];
+  const last = path[path.length - 1];
+  // 20 is the ellipsis icon width
+  const maxWidth = 550 - 20;
+  if (first.id === last.id) {
+    return [first];
+  }
+
+  function getMiddlePath(restWidth: number, restPath: PageMeta[]): PageMeta[] {
+    if (restPath.length === 0) {
+      return [];
+    }
+    const last = restPath[restPath.length - 1];
+    const w = getPathItemWidth(last.title);
+    if (restWidth - w > 80) {
+      return [
+        ...getMiddlePath(restWidth - w, restPath.slice(0, restPath.length - 1)),
+        last,
+      ];
+    }
+    return [];
+  }
+
+  return [
+    first,
+    ...getMiddlePath(
+      maxWidth - getPathItemWidth(first.title),
+      path.slice(1, -1)
+    ),
+    last,
+  ];
+}

apps/web/src/components/pure/quick-search-modal/style.ts

@@ -114,9 +114,7 @@ export const StyledModalDivider = styled('div')(({ theme }) => {
     width: 'auto',
     height: '0',
     margin: '6px 16px',
-    position: 'relative',
     borderTop: `0.5px solid ${theme.colors.borderColor}`,
-    transition: 'all 0.15s',
   };
 });
 

apps/web/src/hooks/use-pinboard-data.ts

@@ -9,6 +9,8 @@ export type RenderProps = {
   blockSuiteWorkspace: BlockSuiteWorkspace;
   onClick?: (e: MouseEvent<HTMLDivElement>, node: PinboardNode) => void;
   showOperationButton?: boolean;
+  // If true, the node will be rendered with path icon at start
+  asPath?: boolean;
 };
 
 export type NodeRenderProps = RenderProps & {
@@ -57,6 +59,7 @@ export function usePinboardData({
   blockSuiteWorkspace,
   onClick,
   showOperationButton,
+  asPath,
 }: {
   metas: PageMeta[];
   pinboardRender: PinboardNode['render'];
@@ -67,8 +70,16 @@ export function usePinboardData({
         blockSuiteWorkspace,
         onClick,
         showOperationButton,
+        asPath,
       }),
-    [blockSuiteWorkspace, metas, onClick, pinboardRender, showOperationButton]
+    [
+      asPath,
+      blockSuiteWorkspace,
+      metas,
+      onClick,
+      pinboardRender,
+      showOperationButton,
+    ]
   );
 
   return {

packages/component/src/ui/button/IconButton.tsx

@@ -12,8 +12,8 @@ const SIZE_CONFIG = {
     areaSize: 20,
   },
   [SIZE_MIDDLE]: {
-    iconSize: 20,
-    areaSize: 28,
+    iconSize: 16,
+    areaSize: 24,
   },
   [SIZE_NORMAL]: {
     iconSize: 24,

packages/component/src/ui/tree-view/TreeNode.tsx

@@ -105,6 +105,7 @@ const TreeNodeItem = <RenderProps,>({
   onAdd,
   onDelete,
   dropRef,
+  disableCollapse,
 }: TreeNodeItemProps<RenderProps>) => {
   return (
     <div ref={dropRef}>
@@ -115,6 +116,7 @@ const TreeNodeItem = <RenderProps,>({
         collapsed,
         setCollapsed,
         isSelected: selectedId === node.id,
+        disableCollapse,
       })}
     </div>
   );

packages/component/src/ui/tree-view/TreeView.tsx

@@ -12,6 +12,7 @@ export const TreeView = <RenderProps,>({
   onSelect,
   enableDnd = true,
   initialCollapsedIds = [],
+  disableCollapse,
   ...otherProps
 }: TreeViewProps<RenderProps>) => {
   const [selectedId, setSelectedId] = useState<string>();
@@ -62,6 +63,9 @@ export const TreeView = <RenderProps,>({
   }, [data, selectedId]);
 
   const setCollapsed: TreeNodeProps['setCollapsed'] = (id, collapsed) => {
+    if (disableCollapse) {
+      return;
+    }
     if (collapsed) {
       setCollapsedIds(ids => [...ids, id]);
     } else {
@@ -81,6 +85,7 @@ export const TreeView = <RenderProps,>({
             node={node}
             selectedId={selectedId}
             enableDnd={enableDnd}
+            disableCollapse={disableCollapse}
             {...otherProps}
           />
         ))}
@@ -99,6 +104,7 @@ export const TreeView = <RenderProps,>({
           node={node}
           selectedId={selectedId}
           enableDnd={enableDnd}
+          disableCollapse={disableCollapse}
           {...otherProps}
         />
       ))}

packages/component/src/ui/tree-view/types.ts

@@ -23,6 +23,7 @@ export type Node<RenderProps = unknown> = {
       collapsed: boolean;
       setCollapsed: (id: string, collapsed: boolean) => void;
       isSelected: boolean;
+      disableCollapse?: ReactNode;
     },
     renderProps?: RenderProps
   ) => ReactNode;
@@ -39,6 +40,7 @@ type CommonProps<RenderProps = unknown> = {
   onDrop?: OnDrop;
   // Only trigger when the enableKeyboardSelection is true
   onSelect?: (id: string) => void;
+  disableCollapse?: ReactNode;
 };
 
 export type TreeNodeProps<RenderProps = unknown> = {
@@ -65,6 +67,7 @@ export type TreeNodeItemProps<RenderProps = unknown> = {
 export type TreeViewProps<RenderProps = unknown> = {
   data: Node<RenderProps>[];
   initialCollapsedIds?: string[];
+  disableCollapse?: boolean;
 } & CommonProps<RenderProps>;
 
 export type NodeLIneProps<RenderProps = unknown> = {

packages/i18n/src/resources/en.json

@@ -201,5 +201,8 @@
   "Move page to...": "Move page to...",
   "Remove from Pivots": "Remove from Pivots",
   "RFP": "Pages can be freely added/removed from pivots, remaining accessible from \"All Pages\".",
-  "Discover what's new!": "Discover what's new!"
+  "Discover what's new!": "Discover what's new!",
+  "Navigation Path": "Navigation Path",
+  "View Navigation Path": "View Navigation Path",
+  "Back to Quick Search": "Back to Quick Search"
 }

tests/libs/load-page.ts

@@ -1,6 +1,14 @@
 import type { Page } from '@playwright/test';
 
+import { getMetas } from './utils';
+
 export async function openHomePage(page: Page) {
   await page.goto('http://localhost:8080');
   await page.waitForSelector('#__next');
 }
+
+export async function initHomePageWithPinboard(page: Page) {
+  await openHomePage(page);
+  await page.waitForSelector('[data-testid="sidebar-pinboard-container"]');
+  return (await getMetas(page)).find(m => m.isRootPinboard);
+}

tests/libs/page-logic.ts

@@ -27,3 +27,21 @@ export async function clickPageMoreActions(page: Page) {
     .getByTestId('editor-option-menu')
     .click();
 }
+
+export async function createPinboardPage(
+  page: Page,
+  parentId: string,
+  title: string
+) {
+  await newPage(page);
+  await page.focus('.affine-default-page-block-title');
+  await page.type('.affine-default-page-block-title', title, {
+    delay: 100,
+  });
+  await clickPageMoreActions(page);
+  await page.getByTestId('move-to-menu-item').click();
+  await page
+    .getByTestId('pinboard-menu')
+    .getByTestId(`pinboard-${parentId}`)
+    .click();
+}

tests/parallels/pin-board.spec.ts

@@ -1,31 +1,11 @@
 import type { Page } from '@playwright/test';
 import { expect } from '@playwright/test';
 
-import { openHomePage } from '../libs/load-page';
-import { clickPageMoreActions, newPage } from '../libs/page-logic';
+import { initHomePageWithPinboard } from '../libs/load-page';
+import { createPinboardPage } from '../libs/page-logic';
 import { test } from '../libs/playwright';
 import { getMetas } from '../libs/utils';
 
-async function createPinboardPage(page: Page, parentId: string, title: string) {
-  await newPage(page);
-  await page.focus('.affine-default-page-block-title');
-  await page.type('.affine-default-page-block-title', title, {
-    delay: 100,
-  });
-  await clickPageMoreActions(page);
-  await page.getByTestId('move-to-menu-item').click();
-  await page
-    .getByTestId('pinboard-menu')
-    .getByTestId(`pinboard-${parentId}`)
-    .click();
-}
-
-async function initHomePageWithPinboard(page: Page) {
-  await openHomePage(page);
-  await page.waitForSelector('[data-testid="sidebar-pinboard-container"]');
-  return (await getMetas(page)).find(m => m.isRootPinboard);
-}
-
 async function openPinboardPageOperationMenu(page: Page, id: string) {
   const node = await page
     .getByTestId('sidebar-pinboard-container')

tests/parallels/quick-search.spec.ts

@@ -1,8 +1,12 @@
 import { expect, type Page } from '@playwright/test';
 
 import { withCtrlOrMeta } from '../libs/keyboard';
-import { openHomePage } from '../libs/load-page';
-import { newPage, waitMarkdownImported } from '../libs/page-logic';
+import { initHomePageWithPinboard, openHomePage } from '../libs/load-page';
+import {
+  createPinboardPage,
+  newPage,
+  waitMarkdownImported,
+} from '../libs/page-logic';
 import { test } from '../libs/playwright';
 
 const openQuickSearchByShortcut = async (page: Page) =>
@@ -204,4 +208,54 @@ test.describe('Novice guidance for quick search', () => {
     await page.getByTestId('sliderBar-arrowButton-collapse').click();
     await expect(quickSearchTips).not.toBeVisible();
   });
+
+  test('Show navigation path if page is a subpage', async ({ page }) => {
+    const rootPinboardMeta = await initHomePageWithPinboard(page);
+    await createPinboardPage(page, rootPinboardMeta?.id ?? '', 'test1');
+    await openQuickSearchByShortcut(page);
+    expect(await page.getByTestId('navigation-path').count()).toBe(1);
+  });
+  test('Not show navigation path if page is not a subpage or current page is not in editor', async ({
+    page,
+  }) => {
+    await openHomePage(page);
+    await waitMarkdownImported(page);
+    await openQuickSearchByShortcut(page);
+    expect(await page.getByTestId('navigation-path').count()).toBe(0);
+  });
+  test('Navigation path item click will jump to page, but not current active item', async ({
+    page,
+  }) => {
+    const rootPinboardMeta = await initHomePageWithPinboard(page);
+    await createPinboardPage(page, rootPinboardMeta?.id ?? '', 'test1');
+    await openQuickSearchByShortcut(page);
+    const oldUrl = page.url();
+    expect(
+      await page.locator('[data-testid="navigation-path-link"]').count()
+    ).toBe(2);
+    await page.locator('[data-testid="navigation-path-link"]').nth(1).click();
+    expect(page.url()).toBe(oldUrl);
+    await page.locator('[data-testid="navigation-path-link"]').nth(0).click();
+    expect(page.url()).not.toBe(oldUrl);
+  });
+  test('Navigation path expand', async ({ page }) => {
+    //
+    const rootPinboardMeta = await initHomePageWithPinboard(page);
+    await createPinboardPage(page, rootPinboardMeta?.id ?? '', 'test1');
+    await openQuickSearchByShortcut(page);
+    const top = await page
+      .getByTestId('navigation-path-expand-panel')
+      .evaluate(el => {
+        return window.getComputedStyle(el).getPropertyValue('top');
+      });
+    expect(parseInt(top)).toBeLessThan(0);
+    await page.getByTestId('navigation-path-expand-btn').click();
+    await page.waitForTimeout(500);
+    const expandTop = await page
+      .getByTestId('navigation-path-expand-panel')
+      .evaluate(el => {
+        return window.getComputedStyle(el).getPropertyValue('top');
+      });
+    expect(expandTop).toBe('0px');
+  });
 });