Turbopack build: Skip experimental.fallbackNodePolyfills tests

docs/04-architecture/turbopack.mdx

@@ -52,6 +52,8 @@ These features are currently not supported:
   - We are planning to implement this in the future.
 - `experimental.sri.algorithm`
   - We are planning to implement this in the future.
+- `experimental.fallbackNodePolyfills`
+  - We are planning to implement this in the future.
 - `experimental.esmExternals`
   - We are currently not planning to support the legacy esmExternals configuration in Next.js with Turbopack.
 - [AMP](/docs/pages/building-your-application/configuring/amp).

test/production/disable-fallback-polyfills/index.test.ts

@@ -1,19 +1,22 @@
 import { createNext } from 'e2e-utils'
 import { NextInstance } from 'e2e-utils'
 
-describe('Disable fallback polyfills', () => {
-  let next: NextInstance
+// TODO: Implement experimental.fallbackNodePolyfills
+;(process.env.TURBOPACK ? describe.skip : describe)(
+  'Disable fallback polyfills',
+  () => {
+    let next: NextInstance
 
-  function getFirstLoadSize(output: string) {
-    const firstLoadRe =
-      /○ \/.*? (?<size>\d.*?) [^\d]{2} (?<firstLoad>\d.*?) [^\d]{2}/
-    return Number(output.match(firstLoadRe).groups.firstLoad)
-  }
+    function getFirstLoadSize(output: string) {
+      const firstLoadRe =
+        /○ \/.*? (?<size>\d.*?) [^\d]{2} (?<firstLoad>\d.*?) [^\d]{2}/
+      return Number(output.match(firstLoadRe).groups.firstLoad)
+    }
 
-  beforeAll(async () => {
-    next = await createNext({
-      files: {
-        'pages/index.js': `
+    beforeAll(async () => {
+      next = await createNext({
+        files: {
+          'pages/index.js': `
           import { useEffect } from 'react'
           import crypto from 'crypto'
 
@@ -24,40 +27,40 @@ describe('Disable fallback polyfills', () => {
             return <p>hello world</p>
           } 
         `,
-      },
-      dependencies: {
-        axios: '0.27.2',
-      },
+        },
+        dependencies: {
+          axios: '0.27.2',
+        },
+      })
+      await next.stop()
     })
-    await next.stop()
-  })
-  afterAll(() => next.destroy())
+    afterAll(() => next.destroy())
 
-  it('Fallback polyfills added by default', async () => {
-    expect(getFirstLoadSize(next.cliOutput)).not.toBeLessThan(200)
-  })
+    it('Fallback polyfills added by default', async () => {
+      expect(getFirstLoadSize(next.cliOutput)).not.toBeLessThan(200)
+    })
 
-  it('Reduced bundle size when polyfills are disabled', async () => {
-    await next.patchFile(
-      'next.config.js',
-      `module.exports = {
+    it('Reduced bundle size when polyfills are disabled', async () => {
+      await next.patchFile(
+        'next.config.js',
+        `module.exports = {
         experimental: {
           fallbackNodePolyfills: false
         }
       }`
-    )
-    await next.start()
-    await next.stop()
+      )
+      await next.start()
+      await next.stop()
 
-    expect(getFirstLoadSize(next.cliOutput)).toBeLessThan(200)
-  })
+      expect(getFirstLoadSize(next.cliOutput)).toBeLessThan(200)
+    })
 
-  it('Pass build without error if non-polyfilled module is unreachable', async () => {
-    // `axios` uses `Buffer`, but it should be unreachable in the browser.
-    // https://github.com/axios/axios/blob/649d739288c8e2c55829ac60e2345a0f3439c730/lib/helpers/toFormData.js#L138
-    await next.patchFile(
-      'pages/index.js',
-      `import axios from 'axios'
+    it('Pass build without error if non-polyfilled module is unreachable', async () => {
+      // `axios` uses `Buffer`, but it should be unreachable in the browser.
+      // https://github.com/axios/axios/blob/649d739288c8e2c55829ac60e2345a0f3439c730/lib/helpers/toFormData.js#L138
+      await next.patchFile(
+        'pages/index.js',
+        `import axios from 'axios'
        import { useEffect } from 'react'
 
        export default function Home() {
@@ -67,8 +70,9 @@ describe('Disable fallback polyfills', () => {
 
          return "hello world"
        }`
-    )
+      )
 
-    await expect(next.start()).not.toReject()
-  })
-})
+      await expect(next.start()).not.toReject()
+    })
+  }
+)

test/turbopack-build-tests-manifest.json

@@ -15788,14 +15788,13 @@
       "runtimeError": false
     },
     "test/production/disable-fallback-polyfills/index.test.ts": {
-      "passed": [
-        "Disable fallback polyfills Fallback polyfills added by default"
-      ],
-      "failed": [
+      "passed": [],
+      "failed": [],
+      "pending": [
+        "Disable fallback polyfills Fallback polyfills added by default",
         "Disable fallback polyfills Pass build without error if non-polyfilled module is unreachable",
         "Disable fallback polyfills Reduced bundle size when polyfills are disabled"
       ],
-      "pending": [],
       "flakey": [],
       "runtimeError": false
     },