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import { getRedboxHeader, retry } from 'next-test-utils' |
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import { nextTestSetup } from 'e2e-utils' |
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export function runFullReloadHmrTest(nextConfig: { |
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basePath: string |
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assetPrefix: string |
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}) { |
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const { next } = nextTestSetup({ |
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files: __dirname, |
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nextConfig, |
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patchFileDelay: 500, |
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}) |
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const { basePath } = nextConfig |
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it('should warn about full reload in cli output - anonymous page function', async () => { |
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const start = next.cliOutput.length |
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const browser = await next.browser( |
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basePath + '/hmr/anonymous-page-function' |
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) |
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const cliWarning = |
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'Fast Refresh had to perform a full reload when ./pages/hmr/anonymous-page-function.js changed. Read more: https://nextjs.org/docs/messages/fast-refresh-reload' |
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expect(await browser.elementByCss('p').text()).toBe('hello world') |
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expect(next.cliOutput.slice(start)).not.toContain(cliWarning) |
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const currentFileContent = await next.readFile( |
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'./pages/hmr/anonymous-page-function.js' |
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) |
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const newFileContent = currentFileContent.replace( |
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'<p>hello world</p>', |
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'<p id="updated">hello world!!!</p>' |
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) |
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await next.patchFile( |
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'./pages/hmr/anonymous-page-function.js', |
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newFileContent |
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) |
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expect(await browser.waitForElementByCss('#updated').text()).toBe( |
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'hello world!!!' |
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) |
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expect(next.cliOutput.slice(start)).toContain(cliWarning) |
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const browserLogs = await browser.log() |
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expect( |
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browserLogs.some(({ message }) => |
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message.includes( |
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"Fast Refresh will perform a full reload when you edit a file that's imported by modules outside of the React rendering tree." |
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) |
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) |
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).toBeTruthy() |
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}) |
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it('should warn about full reload in cli output - runtime-error', async () => { |
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const start = next.cliOutput.length |
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const browser = await next.browser(basePath + '/hmr/runtime-error') |
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const cliWarning = |
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'Fast Refresh had to perform a full reload due to a runtime error.' |
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await retry(async () => { |
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expect(await getRedboxHeader(browser)).toMatch(/whoops is not defined/) |
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}) |
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expect(next.cliOutput.slice(start)).not.toContain(cliWarning) |
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const currentFileContent = await next.readFile( |
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'./pages/hmr/runtime-error.js' |
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) |
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const newFileContent = currentFileContent.replace( |
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'whoops', |
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'<p id="updated">whoops</p>' |
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) |
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await next.patchFile('./pages/hmr/runtime-error.js', newFileContent) |
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expect(await browser.waitForElementByCss('#updated').text()).toBe('whoops') |
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expect(next.cliOutput.slice(start)).toContain(cliWarning) |
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const browserLogs = await browser.log() |
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expect( |
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browserLogs.some(({ message }) => |
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message.includes( |
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'[Fast Refresh] performing full reload because your application had an unrecoverable error' |
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) |
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) |
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).toBeTruthy() |
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}) |
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} |
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