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next.js/test/e2e/app-dir/bun-externals/bun-externals.test.ts
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first commit
2026-03-10 19:37:31 +03:30

75 lines
2.7 KiB
TypeScript

import { nextTestSetup } from 'e2e-utils'
describe('app-dir - bun externals', () => {
const { next, isNextDev, isTurbopack, skipped } = nextTestSetup({
files: __dirname,
skipDeployment: true,
})
if (skipped) {
return
}
it('should handle bun builtins as external modules', async () => {
const $ = await next.render$('/')
// When not running in Bun, these should throw "Cannot find module" errors
expect($('#bun-ffi').text()).toBe('external (not found)')
expect($('#bun-jsc').text()).toBe('external (not found)')
expect($('#bun-sqlite').text()).toBe('external (not found)')
expect($('#bun-test').text()).toBe('external (not found)')
expect($('#bun-wrap').text()).toBe('external (not found)')
expect($('#bun').text()).toBe('external (not found)')
})
it('should handle bun builtins in server actions', async () => {
const browser = await next.browser('/server-action')
await browser.elementByCss('#test-action').click()
await browser.waitForElementByCss('#action-result')
const result = await browser.elementByCss('#action-result').text()
expect(result).toContain('All Bun modules are external')
})
it('should handle bun builtins in route handlers', async () => {
const response = await next.fetch('/api/bun-externals')
const data = await response.json()
expect(data.bunFfi).toBe('external')
expect(data.bunJsc).toBe('external')
expect(data.bunSqlite).toBe('external')
expect(data.bunTest).toBe('external')
expect(data.bunWrap).toBe('external')
expect(data.bun).toBe('external')
})
it('should handle bun builtins in edge runtime', async () => {
const response = await next.fetch('/api/edge-bun-externals')
expect(await response.json()).toMatch(
/(Error: Cannot find module 'bun.*'|Error: Failed to load external module bun.*)/
)
})
if (!isTurbopack && !isNextDev) {
it('should not bundle bun builtins in server bundles', async () => {
await next.fetch('/')
const rscBundle = await next.readFile('.next/server/app/page.js')
expect(rscBundle).not.toContain('bun:ffi implementation')
expect(rscBundle).not.toContain('bun:jsc implementation')
expect(rscBundle).not.toContain('bun:sqlite implementation')
expect(rscBundle).not.toContain('bun:test implementation')
expect(rscBundle).not.toContain('bun:wrap implementation')
expect(rscBundle).toMatch(/require\(["']bun:ffi["']\)/)
expect(rscBundle).toMatch(/require\(["']bun:jsc["']\)/)
expect(rscBundle).toMatch(/require\(["']bun:sqlite["']\)/)
expect(rscBundle).toMatch(/require\(["']bun:test["']\)/)
expect(rscBundle).toMatch(/require\(["']bun:wrap["']\)/)
expect(rscBundle).toMatch(/require\(["']bun["']\)/)
})
}
})