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4588a73542
## What? Converts existing `createNext()` usage into `nextTestSetup()`. `createNext()` was the setup step we had before `nextTestSetup()` was added. This PR focused on the simple conversion cases. There will be a follow-up to complete the last few. --------- Co-authored-by: Cursor <[email protected]>
108 lines
2.6 KiB
TypeScript
108 lines
2.6 KiB
TypeScript
import { FileRef, nextTestSetup } from 'e2e-utils'
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import path from 'path'
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import execa from 'execa'
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const appDir = path.join(__dirname, 'app')
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describe('next/jest image qualities config', () => {
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const { next } = nextTestSetup({
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skipStart: true,
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files: {
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'next.config.js': `
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module.exports = {
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images: {
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qualities: [90, 100],
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},
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}
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`,
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app: new FileRef(path.join(appDir, 'app')),
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'jest.config.js': `
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const nextJest = require('next/jest')
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const createJestConfig = nextJest({
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dir: './',
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})
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const customJestConfig = {
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testEnvironment: 'jsdom',
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}
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module.exports = createJestConfig(customJestConfig)
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`,
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[`tests/image.test.tsx`]: `
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import Image from 'next/image'
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import { render, screen } from '@testing-library/react'
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describe('Image quality config', () => {
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it('respects custom qualities from next.config.js', () => {
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render(
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<Image
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src="/test.jpg"
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alt="test"
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width={500}
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height={500}
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quality={100}
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/>
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)
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const img = screen.getByRole('img')
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// Should use quality=100 from our config, not default q=75
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expect(img.getAttribute('src')).toContain('q=100')
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expect(img.getAttribute('src')).not.toContain('q=75')
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})
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it('uses custom qualities for srcset generation', () => {
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render(
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<Image
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src="/test.jpg"
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alt="test"
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width={500}
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height={500}
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sizes="100vw"
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/>
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)
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const img = screen.getByRole('img')
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// Should generate srcset with our custom qualities [90, 100]
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// and not include default quality 75
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const srcSet = img.getAttribute('srcset') || ''
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const srcSetEntries = srcSet.split(',')
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const hasCustomQualities = srcSetEntries.some(entry =>
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entry.includes('q=90') || entry.includes('q=100')
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)
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const hasDefaultQuality = srcSetEntries.some(entry =>
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entry.includes('q=75')
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)
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expect(hasCustomQualities).toBe(true)
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expect(hasDefaultQuality).toBe(false)
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})
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})
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`,
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},
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dependencies: {
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jest: '29.7.0',
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'jest-environment-jsdom': '29.7.0',
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'@testing-library/react': '15.0.2',
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'@testing-library/jest-dom': '5.17.0',
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},
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})
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it('should pass jest tests with custom image qualities', async () => {
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const result = await execa(
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'pnpm',
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['jest', 'tests/image.test.tsx', '--forceExit', '--verbose'],
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{
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cwd: next.testDir,
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reject: false,
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}
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)
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const output = result.stdout || result.stderr || ''
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console.log('Jest output:', output)
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expect(output).toContain('PASS')
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expect(output).toMatch(/2 passed/)
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})
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})
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