eigent/test/unit/components/Layout/SidebarScrollArea.test.tsx
Douglas Lai ed9614486a
Refactor dashboard (#1854)
Co-authored-by: 4pmtong <web_chentong@163.com>
2026-08-19 19:02:56 +08:00

80 lines
2.7 KiB
TypeScript

// ========= Copyright 2025-2026 @ Eigent.ai All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2025-2026 @ Eigent.ai All Rights Reserved. =========
import { SidebarScrollArea } from '@/components/Layout/AppSidebar';
import { render } from '@testing-library/react';
import { afterEach, describe, expect, it, vi } from 'vitest';
let clientHeightSpy: ReturnType<typeof vi.spyOn> | undefined;
let scrollHeightSpy: ReturnType<typeof vi.spyOn> | undefined;
afterEach(() => {
clientHeightSpy?.mockRestore();
scrollHeightSpy?.mockRestore();
clientHeightSpy = undefined;
scrollHeightSpy = undefined;
});
function mockVerticalSize({
clientHeight,
scrollHeight,
}: {
clientHeight: number;
scrollHeight: number;
}) {
clientHeightSpy = vi
.spyOn(HTMLElement.prototype, 'clientHeight', 'get')
.mockReturnValue(clientHeight);
scrollHeightSpy = vi
.spyOn(HTMLElement.prototype, 'scrollHeight', 'get')
.mockReturnValue(scrollHeight);
}
describe('SidebarScrollArea', () => {
it('shows a visible scrollbar only while sidebar content overflows', () => {
mockVerticalSize({ clientHeight: 100, scrollHeight: 180 });
const { container } = render(
<SidebarScrollArea>
<div>Overflowing navigation</div>
</SidebarScrollArea>
);
const scrollArea = container.querySelector(
'[data-sidebar-scroll-overflow]'
);
expect(scrollArea).toHaveAttribute('data-sidebar-scroll-overflow', 'true');
expect(scrollArea).toHaveClass(
'scrollbar-always-visible',
'overflow-y-auto'
);
expect(scrollArea).not.toHaveClass('scrollbar');
});
it('does not reserve a scrollbar gutter when all rows fit', () => {
mockVerticalSize({ clientHeight: 100, scrollHeight: 100 });
const { container } = render(
<SidebarScrollArea>
<div>Short navigation</div>
</SidebarScrollArea>
);
const scrollArea = container.querySelector(
'[data-sidebar-scroll-overflow]'
);
expect(scrollArea).toHaveAttribute('data-sidebar-scroll-overflow', 'false');
expect(scrollArea).toHaveClass('overflow-hidden');
expect(scrollArea).not.toHaveClass('scrollbar-always-visible');
});
});