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/* eslint-env jest */
import { check } from 'next-test-utils'
import path from 'path'
import { nextTestSetup } from 'e2e-utils'
describe('Client navigation scroll', () => {
const { next } = nextTestSetup({
files: path.join(__dirname, 'fixture'),
env: {
TEST_STRICT_NEXT_HEAD: String(true),
},
})
describe('resets scroll at the correct time', () => {
it('should reset scroll before the new page runs its lifecycles (<Link />)', async () => {
const browser = await next.browser('/nav/long-page-to-snap-scroll')
// Scrolls to item 400 on the page
await browser
.waitForElementByCss('#long-page-to-snap-scroll')
.elementByCss('#scroll-to-item-400')
.click()
const scrollPosition = await browser.eval('window.pageYOffset')
expect(scrollPosition).toBe(7208)
// Go to snap scroll page
await browser
.elementByCss('#goto-snap-scroll-position')
.click()
.waitForElementByCss('#scroll-pos-y')
const snappedScrollPosition = await browser.eval(
'document.getElementById("scroll-pos-y").innerText'
)
expect(snappedScrollPosition).toBe('0')
})
it('should reset scroll before the new page runs its lifecycles (Router#push)', async () => {
const browser = await next.browser('/nav/long-page-to-snap-scroll')
// Scrolls to item 400 on the page
await browser
.waitForElementByCss('#long-page-to-snap-scroll')
.elementByCss('#scroll-to-item-400')
.click()
const scrollPosition = await browser.eval('window.pageYOffset')
expect(scrollPosition).toBe(7208)
// Go to snap scroll page
await browser
.elementByCss('#goto-snap-scroll-position-imperative')
.click()
.waitForElementByCss('#scroll-pos-y')
const snappedScrollPosition = await browser.eval(
'document.getElementById("scroll-pos-y").innerText'
)
expect(snappedScrollPosition).toBe('0')
})
it('should intentionally not reset scroll before the new page runs its lifecycles (Router#push)', async () => {
const browser = await next.browser('/nav/long-page-to-snap-scroll')
// Scrolls to item 400 on the page
await browser
.waitForElementByCss('#long-page-to-snap-scroll')
.elementByCss('#scroll-to-item-400')
.click()
const scrollPosition = await browser.eval('window.pageYOffset')
expect(scrollPosition).toBe(7208)
// Go to snap scroll page
await browser
.elementByCss('#goto-snap-scroll-position-imperative-noscroll')
.click()
.waitForElementByCss('#scroll-pos-y')
const snappedScrollPosition = await browser.eval(
'document.getElementById("scroll-pos-y").innerText'
)
expect(snappedScrollPosition).not.toBe('0')
expect(Number(snappedScrollPosition)).toBeGreaterThanOrEqual(7208)
})
})
it('should scroll to top when the scroll option is set to true', async () => {
const browser = await next.browser('/nav/shallow-routing')
await browser.eval(() =>
document.querySelector('#increaseWithScroll').scrollIntoView()
)
const scrollPosition = await browser.eval('window.pageYOffset')
expect(scrollPosition).toBeGreaterThan(3000)
await browser.elementByCss('#increaseWithScroll').click()
await check(async () => {
const newScrollPosition = await browser.eval('window.pageYOffset')
return newScrollPosition === 0 ? 'success' : 'fail'
}, 'success')
})
})
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