20 lines
677 B
TypeScript
20 lines
677 B
TypeScript
import { test, expect } from '@playwright/test'
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test('测试懒加载', async ({ page }) => {
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page.on('pageerror', (exception) => expect(exception).toBeNull())
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await page.goto('image#lazy')
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const preview = page.locator('.pc-demo-container')
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await expect(preview.locator('.demo-image__lazy div').locator('img')).toHaveCount(1)
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// 滚动2次，触发下面2张加载
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const imageBox = preview.locator('.demo-image__lazy')
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await imageBox.hover()
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await page.mouse.wheel(0, 300)
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await page.waitForTimeout(100)
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await page.mouse.wheel(0, 500)
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await page.waitForTimeout(30)
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await expect(preview.locator('.demo-image__lazy').locator('img')).toHaveCount(3)
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})
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