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1.34 kB
| import { nextTestSetup } from 'e2e-utils' | |
| import fs from 'fs-extra' | |
| import { assertNoRedbox } from 'next-test-utils' | |
| import path from 'path' | |
| describe('repeated-dev-edits', () => { | |
| const { next } = nextTestSetup({ | |
| files: __dirname, | |
| }) | |
| // Recommended for tests that check HTML. Cheerio is a HTML parser that has a jQuery like API. | |
| it('should not break the hydration ', async () => { | |
| const browser = await next.browser('/') | |
| expect(await browser.elementByCss('p').text()).toBe('version-1') | |
| const pagePath = 'pages/index.tsx' | |
| const pageContent = String( | |
| await fs.readFile(path.join(__dirname, pagePath)) | |
| ) | |
| await next.patchFile( | |
| pagePath, | |
| pageContent.replaceAll('version-1', 'version-2') | |
| ) | |
| await browser.waitForElementByCss('#version-2') | |
| expect(await browser.elementByCss('p').text()).toBe('version-2') | |
| // Verify no hydration mismatch: | |
| await assertNoRedbox(browser) | |
| await next.patchFile( | |
| pagePath, | |
| pageContent.replaceAll('version-1', 'version-3') | |
| ) | |
| await browser.waitForElementByCss('#version-3') | |
| expect(await browser.elementByCss('p').text()).toBe('version-3') | |
| // Verify no hydration mismatch: | |
| await assertNoRedbox(browser) | |
| await browser.refresh() | |
| // Verify no hydration mismatch: | |
| await assertNoRedbox(browser) | |
| }) | |
| }) | |