| |
| import { createSandbox } from 'development-sandbox' |
| import { FileRef, nextTestSetup } from 'e2e-utils' |
| import path from 'path' |
| import { outdent } from 'outdent' |
|
|
| describe('ReactRefresh app', () => { |
| const { next } = nextTestSetup({ |
| files: new FileRef(path.join(__dirname, 'fixtures', 'default-template')), |
| skipStart: true, |
| }) |
|
|
| test('can edit a component without losing state', async () => { |
| await using sandbox = await createSandbox(next) |
| const { session } = sandbox |
|
|
| await session.patch( |
| 'index.js', |
| outdent` |
| import { useCallback, useState } from 'react' |
| export default function Index() { |
| const [count, setCount] = useState(0) |
| const increment = useCallback(() => setCount(c => c + 1), [setCount]) |
| return ( |
| <main> |
| <p>{count}</p> |
| <button onClick={increment}>Increment</button> |
| </main> |
| ) |
| } |
| ` |
| ) |
| await session.evaluate(() => document.querySelector('button').click()) |
| expect( |
| await session.evaluate(() => document.querySelector('p').textContent) |
| ).toBe('1') |
| await session.patch( |
| 'index.js', |
| outdent` |
| import { useCallback, useState } from 'react' |
| export default function Index() { |
| const [count, setCount] = useState(0) |
| const increment = useCallback(() => setCount(c => c + 1), [setCount]) |
| return ( |
| <main> |
| <p>Count: {count}</p> |
| <button onClick={increment}>Increment</button> |
| </main> |
| ) |
| } |
| ` |
| ) |
| expect( |
| await session.evaluate(() => document.querySelector('p').textContent) |
| ).toBe('Count: 1') |
| await session.evaluate(() => document.querySelector('button').click()) |
| expect( |
| await session.evaluate(() => document.querySelector('p').textContent) |
| ).toBe('Count: 2') |
| }) |
|
|
| test('cyclic dependencies', async () => { |
| await using sandbox = await createSandbox(next) |
| const { session } = sandbox |
|
|
| await session.write( |
| 'NudgeOverview.js', |
| outdent` |
| import * as React from 'react'; |
| |
| import { foo } from './routes'; |
| |
| const NudgeOverview = () => { |
| return <span />; |
| foo; |
| }; |
| |
| export default NudgeOverview; |
| ` |
| ) |
|
|
| await session.write( |
| 'SurveyOverview.js', |
| outdent` |
| const SurveyOverview = () => { |
| return 100; |
| }; |
| |
| export default SurveyOverview; |
| ` |
| ) |
|
|
| await session.write( |
| 'Milestones.js', |
| outdent` |
| import React from 'react'; |
| |
| import { fragment } from './DashboardPage'; |
| |
| const Milestones = props => { |
| return <span />; |
| fragment; |
| }; |
| |
| export default Milestones; |
| ` |
| ) |
|
|
| await session.write( |
| 'DashboardPage.js', |
| outdent` |
| import React from 'react'; |
| |
| import Milestones from './Milestones'; |
| import SurveyOverview from './SurveyOverview'; |
| import NudgeOverview from './NudgeOverview'; |
| |
| export const fragment = {}; |
| |
| const DashboardPage = () => { |
| return ( |
| <> |
| <Milestones /> |
| <SurveyOverview /> |
| <NudgeOverview /> |
| </> |
| ); |
| }; |
| |
| export default DashboardPage; |
| ` |
| ) |
|
|
| await session.write( |
| 'routes.js', |
| outdent` |
| import DashboardPage from './DashboardPage'; |
| |
| export const foo = {}; |
| |
| console.warn('DashboardPage at import time:', DashboardPage); |
| setTimeout(() => console.warn('DashboardPage after:', DashboardPage), 0); |
| |
| export default DashboardPage; |
| ` |
| ) |
|
|
| await session.patch( |
| 'index.js', |
| outdent` |
| import * as React from 'react'; |
| |
| import DashboardPage from './routes'; |
| |
| const HeroApp = (props) => { |
| return <p>Hello. {DashboardPage ? <DashboardPage /> : null}</p>; |
| }; |
| |
| export default HeroApp; |
| ` |
| ) |
|
|
| expect( |
| await session.evaluate(() => document.querySelector('p').textContent) |
| ).toBe('Hello. 100') |
|
|
| let didFullRefresh = !(await session.patch( |
| 'SurveyOverview.js', |
| outdent` |
| const SurveyOverview = () => { |
| return 200; |
| }; |
| |
| export default SurveyOverview; |
| ` |
| )) |
|
|
| expect( |
| await session.evaluate(() => document.querySelector('p').textContent) |
| ).toBe('Hello. 200') |
| expect(didFullRefresh).toBe(false) |
|
|
| didFullRefresh = !(await session.patch( |
| 'index.js', |
| outdent` |
| import * as React from 'react'; |
| |
| import DashboardPage from './routes'; |
| |
| const HeroApp = (props) => { |
| return <p>Hello: {DashboardPage ? <DashboardPage /> : null}</p>; |
| }; |
| |
| export default HeroApp; |
| ` |
| )) |
|
|
| expect( |
| await session.evaluate(() => document.querySelector('p').textContent) |
| ).toBe('Hello: 200') |
| expect(didFullRefresh).toBe(false) |
|
|
| didFullRefresh = !(await session.patch( |
| 'SurveyOverview.js', |
| outdent` |
| const SurveyOverview = () => { |
| return 300; |
| }; |
| |
| export default SurveyOverview; |
| ` |
| )) |
|
|
| expect( |
| await session.evaluate(() => document.querySelector('p').textContent) |
| ).toBe('Hello: 300') |
| expect(didFullRefresh).toBe(false) |
| }) |
| }) |
|
|
