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index.test.js
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index.test.js
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/* eslint-env jest */
import fs from 'fs-extra'
import { join } from 'path'
import { nextBuild } from 'next-test-utils'
jest.setTimeout(1000 * 60 * 1)
const appDir = join(__dirname, '../')
const pagesDir = join(appDir, 'pages')
describe('Conflicting SSG paths', () => {
afterEach(() => fs.remove(pagesDir))
it('should show proper error when two dynamic SSG routes have conflicting paths', async () => {
await fs.ensureDir(join(pagesDir, 'blog'))
await fs.writeFile(
join(pagesDir, 'blog/[slug].js'),
`
export const getStaticProps = () => {
return {
props: {}
}
}
export const getStaticPaths = () => {
return {
paths: [
'/blog/conflicting',
'/blog/first'
],
fallback: false
}
}
export default function Page() {
return '/blog/[slug]'
}
`
)
await fs.writeFile(
join(pagesDir, '[...catchAll].js'),
`
export const getStaticProps = () => {
return {
props: {}
}
}
export const getStaticPaths = () => {
return {
paths: [
'/blog/conflicting',
'/hello/world'
],
fallback: false
}
}
export default function Page() {
return '/[catchAll]'
}
`
)
const result = await nextBuild(appDir, undefined, {
stdout: true,
stderr: true,
})
const output = result.stdout + result.stderr
expect(output).toContain(
'Conflicting paths returned from getStaticPaths, paths must unique per page'
)
expect(output).toContain('err.sh/next.js/conflicting-ssg-paths')
expect(output).toContain(
`path: "/blog/conflicting" from page: "/[...catchAll]"`
)
expect(output).toContain(`conflicts with path: "/blog/conflicting"`)
})
it('should show proper error when a dynamic SSG route conflicts with normal route', async () => {
await fs.ensureDir(join(pagesDir, 'hello'))
await fs.writeFile(
join(pagesDir, 'hello/world.js'),
`
export default function Page() {
return '/hello/world'
}
`
)
await fs.writeFile(
join(pagesDir, '[...catchAll].js'),
`
export const getStaticProps = () => {
return {
props: {}
}
}
export const getStaticPaths = () => {
return {
paths: [
'/hello',
'/hellO/world'
],
fallback: false
}
}
export default function Page() {
return '/[catchAll]'
}
`
)
const result = await nextBuild(appDir, undefined, {
stdout: true,
stderr: true,
})
const output = result.stdout + result.stderr
expect(output).toContain(
'Conflicting paths returned from getStaticPaths, paths must unique per page'
)
expect(output).toContain('err.sh/next.js/conflicting-ssg-paths')
expect(output).toContain(
`path: "/hellO/world" from page: "/[...catchAll]" conflicts with path: "/hello/world"`
)
})
it('should show proper error when a dynamic SSG route conflicts with SSR route', async () => {
await fs.ensureDir(join(pagesDir, 'hello'))
await fs.writeFile(
join(pagesDir, 'hello/world.js'),
`
export const getServerSideProps = () => ({ props: {} })
export default function Page() {
return '/hello/world'
}
`
)
await fs.writeFile(
join(pagesDir, '[...catchAll].js'),
`
export const getStaticProps = () => {
return {
props: {}
}
}
export const getStaticPaths = () => {
return {
paths: [
'/hello',
'/hellO/world'
],
fallback: false
}
}
export default function Page() {
return '/[catchAll]'
}
`
)
const result = await nextBuild(appDir, undefined, {
stdout: true,
stderr: true,
})
const output = result.stdout + result.stderr
expect(output).toContain(
'Conflicting paths returned from getStaticPaths, paths must unique per page'
)
expect(output).toContain('err.sh/next.js/conflicting-ssg-paths')
expect(output).toContain(
`path: "/hellO/world" from page: "/[...catchAll]" conflicts with path: "/hello/world"`
)
})
})