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import { waitFor } from 'next-test-utils' |
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import path from 'path' |
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import { nextTestSetup } from 'e2e-utils' |
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describe('updating <Head /> while client routing', () => { |
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const { next } = nextTestSetup({ |
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files: path.join(__dirname, 'fixture'), |
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}) |
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it.each([true, false])( |
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'should handle boolean async prop in next/head client-side: %s', |
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async (bool) => { |
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const browser = await next.browser('/head') |
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const value = await browser.eval( |
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`document.querySelector('script[src="/test-async-${JSON.stringify( |
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bool |
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)}.js"]').async` |
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) |
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expect(value).toBe(bool) |
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} |
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) |
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it('should only execute async and defer scripts once', async () => { |
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const browser = await next.browser('/head') |
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await browser.waitForElementByCss('h1') |
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await waitFor(2000) |
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expect(Number(await browser.eval('window.__test_async_executions'))).toBe(1) |
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expect(Number(await browser.eval('window.__test_defer_executions'))).toBe(1) |
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await browser.elementByCss('#reverseScriptOrder').click() |
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await waitFor(2000) |
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expect(Number(await browser.eval('window.__test_async_executions'))).toBe(1) |
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expect(Number(await browser.eval('window.__test_defer_executions'))).toBe(1) |
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await browser.elementByCss('#toggleScript').click() |
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await waitFor(2000) |
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expect(Number(await browser.eval('window.__test_async_executions'))).toBe(1) |
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expect(Number(await browser.eval('window.__test_defer_executions'))).toBe(1) |
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}) |
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it('should warn when stylesheets or scripts are in head', async () => { |
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const browser = await next.browser('/head') |
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await browser.waitForElementByCss('h1') |
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await waitFor(1000) |
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const browserLogs = await browser.log() |
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let foundStyles = false |
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let foundScripts = false |
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const logs = [] |
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browserLogs.forEach(({ message }) => { |
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if (message.includes('Do not add stylesheets using next/head')) { |
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foundStyles = true |
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logs.push(message) |
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} |
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if (message.includes('Do not add <script> tags using next/head')) { |
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foundScripts = true |
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logs.push(message) |
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} |
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}) |
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expect(foundStyles).toEqual(true) |
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expect(foundScripts).toEqual(true) |
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expect(logs.length).toEqual(new Set(logs).size) |
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}) |
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it('should warn when scripts are in head', async () => { |
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const browser = await next.browser('/head') |
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await browser.waitForElementByCss('h1') |
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await waitFor(1000) |
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const browserLogs = await browser.log() |
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let found = false |
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browserLogs.forEach((log) => { |
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if (log.message.includes('Use next/script instead')) { |
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found = true |
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} |
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}) |
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expect(found).toEqual(true) |
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}) |
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it('should not warn when application/ld+json scripts are in head', async () => { |
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const browser = await next.browser('/head-with-json-ld-snippet') |
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await browser.waitForElementByCss('h1') |
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await waitFor(1000) |
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const browserLogs = await browser.log() |
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let found = false |
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browserLogs.forEach((log) => { |
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if (log.message.includes('Use next/script instead')) { |
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found = true |
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} |
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}) |
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expect(found).toEqual(false) |
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}) |
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it('should update head during client routing', async () => { |
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const browser = await next.browser('/nav/head-1') |
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expect( |
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await browser |
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.elementByCss('meta[name="description"]') |
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.getAttribute('content') |
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).toBe('Head One') |
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await browser |
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.elementByCss('#to-head-2') |
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.click() |
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.waitForElementByCss('#head-2', 3000) |
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expect( |
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await browser |
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.elementByCss('meta[name="description"]') |
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.getAttribute('content') |
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).toBe('Head Two') |
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await browser |
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.elementByCss('#to-head-1') |
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.click() |
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.waitForElementByCss('#head-1', 3000) |
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expect( |
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await browser |
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.elementByCss('meta[name="description"]') |
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.getAttribute('content') |
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).toBe('Head One') |
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await browser |
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.elementByCss('#to-head-3') |
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.click() |
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.waitForElementByCss('#head-3', 3000) |
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expect( |
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await browser |
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.elementByCss('meta[name="description"]') |
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.getAttribute('content') |
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).toBe('Head Three') |
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expect(await browser.eval('document.title')).toBe('') |
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await browser |
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.elementByCss('#to-head-1') |
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.click() |
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.waitForElementByCss('#head-1', 3000) |
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expect( |
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await browser |
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.elementByCss('meta[name="description"]') |
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.getAttribute('content') |
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).toBe('Head One') |
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}) |
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it('should update title during client routing', async () => { |
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const browser = await next.browser('/nav/head-1') |
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expect(await browser.eval('document.title')).toBe('this is head-1') |
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await browser |
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.elementByCss('#to-head-2') |
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.click() |
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.waitForElementByCss('#head-2', 3000) |
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expect(await browser.eval('document.title')).toBe('this is head-2') |
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await browser |
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.elementByCss('#to-head-1') |
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.click() |
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.waitForElementByCss('#head-1', 3000) |
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expect(await browser.eval('document.title')).toBe('this is head-1') |
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}) |
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it('should update head when unmounting component', async () => { |
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const browser = await next.browser('/head-dynamic') |
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expect(await browser.eval('document.title')).toBe('B') |
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await browser.elementByCss('button').click() |
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expect(await browser.eval('document.title')).toBe('A') |
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await browser.elementByCss('button').click() |
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expect(await browser.eval('document.title')).toBe('B') |
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}) |
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}) |
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