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