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feat(virtual-scroll): demo with tests (#1986)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| import { test, expect } from '@playwright/test' | ||
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| test('基本用法', async ({ page }) => { | ||
| page.on('pageerror', (exception) => expect(exception).toBeNull()) | ||
| await page.goto('virtual-scroll#basic-usage') | ||
| const virtualScroll = page.locator('#basic-usage .tiny-virtual-scroll') | ||
| const virtualScrollItem = virtualScroll.locator('.tiny-virtual-scroll-item') | ||
| await expect(virtualScroll).toBeVisible() | ||
| await expect(virtualScrollItem.nth(0)).toBeVisible() | ||
| await expect(virtualScrollItem.nth(0)).toHaveText('第1项') | ||
| await page.waitForTimeout(500) | ||
| const containerBox = await virtualScroll.boundingBox() | ||
| let visibleCount = 0 | ||
| let visibleItems = [] | ||
| const visibleItemsCount = await virtualScrollItem.count() | ||
| for (let i = 0; i < visibleItemsCount; i++) { | ||
| const itemBox = await virtualScrollItem.nth(i).boundingBox() | ||
| if (itemBox && containerBox) { | ||
| if (itemBox.y >= containerBox.y && itemBox.y + itemBox.height <= containerBox.y + containerBox.height) { | ||
| visibleCount++ | ||
| const itemText = await virtualScrollItem.nth(i).textContent() | ||
| visibleItems.push(itemText.trim()) | ||
| } | ||
| } | ||
| } | ||
| console.log('Visible items:', visibleItems) | ||
| await expect(visibleCount).toBe(6) | ||
| for (let i = 0; i < visibleItems.length; i++) { | ||
| console.log(`Item ${i + 1}:`, visibleItems[i]) | ||
| } | ||
| await virtualScroll.evaluate((scroll) => scroll.scrollTo(0, 25000)) | ||
| await page.waitForTimeout(500) | ||
| const targetItem = virtualScroll.locator('.tiny-virtual-scroll-item', { hasText: '第500项' }) | ||
| await expect(targetItem).toBeVisible() | ||
| await virtualScroll.evaluate((scroll) => scroll.scrollTo(0, 50000)) | ||
| await expect(virtualScrollItem.last()).toHaveText('第1000项') | ||
| let errors = [] | ||
| expect(errors.length).toBe(0) | ||
| }) |
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examples/sites/demos/pc/app/virtual-scroll/dynamic-height.spec.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| import { test, expect } from '@playwright/test' | ||
|
|
||
| test('基本用法', async ({ page }) => { | ||
| page.on('pageerror', (exception) => expect(exception).toBeNull()) | ||
| await page.goto('virtual-scroll#dynamic-height') | ||
| const virtualScroll = page.locator('#dynamic-height .tiny-virtual-scroll') | ||
| const virtualScrollItem = virtualScroll.locator('.tiny-virtual-scroll-item') | ||
| await expect(virtualScroll).toBeVisible() | ||
| await expect(virtualScrollItem.nth(0)).toBeVisible() | ||
| await virtualScroll.evaluate((scroll) => { | ||
| for (let i = 0; i < 50; i++) { | ||
| scroll.scrollBy(0, 200) | ||
| } | ||
| }) | ||
| await expect(virtualScrollItem.last()).toBeVisible() | ||
| const midItem = virtualScrollItem.nth(0) | ||
| await expect(midItem).toBeVisible() | ||
| const midItemText = await midItem.textContent() | ||
| expect(midItemText).not.toBeNull() | ||
| let allVisibleItems = await virtualScrollItem.all() | ||
| await virtualScroll.evaluate((scroll) => scroll.scrollTo(0, scroll.scrollHeight)) | ||
| const lastItem = virtualScrollItem.last() | ||
| await expect(lastItem).toBeVisible() | ||
| const lastItemText = await lastItem.textContent() | ||
| expect(lastItemText).not.toBeNull() | ||
| allVisibleItems = await virtualScrollItem.all() | ||
| for (const item of allVisibleItems) { | ||
| await expect(item).toBeVisible() | ||
| } | ||
| }) |
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