Revert "Temporarily disable app dir export integration test" (#49311)

- Reverts vercel/next.js#48291
- Fixes #49059 
- TODO: move these tests to `./tests/e2e/*` to avoid flakes (that will be a follow up PR)
fix NEXT-1092

packages/next/src/build/index.ts

@@ -3056,6 +3056,10 @@ export default async function build(
       if (config.output === 'export') {
         const exportApp: typeof import('../export').default =
           require('../export').default
+
+        const pagesWorker = createStaticWorker('pages')
+        const appWorker = createStaticWorker('app')
+
         const options: ExportOptions = {
           isInvokedFromCli: false,
           nextConfig: config,
@@ -3063,8 +3067,25 @@ export default async function build(
           silent: true,
           threads: config.experimental.cpus,
           outdir: path.join(dir, configOutDir),
+          exportAppPageWorker: sharedPool
+            ? appWorker.exportPage.bind(appWorker)
+            : undefined,
+          exportPageWorker: sharedPool
+            ? pagesWorker.exportPage.bind(pagesWorker)
+            : undefined,
+          endWorker: sharedPool
+            ? async () => {
+                await pagesWorker.end()
+                await appWorker.end()
+              }
+            : undefined,
         }
+
         await exportApp(dir, options, nextBuildSpan)
+
+        // ensure the worker is not left hanging
+        pagesWorker.close()
+        appWorker.close()
       }
 
       await nextBuildSpan

test/integration/app-dir-export/test/config.test.ts

@@ -10,7 +10,7 @@ import {
   nextConfig,
 } from './utils'
 
-describe.skip('app dir with output export (next dev / next build)', () => {
+describe('app dir with output export (next dev / next build)', () => {
   it('should throw when exportPathMap configured', async () => {
     nextConfig.replace(
       'trailingSlash: true,',

test/integration/app-dir-export/test/dynamicapiroute-dev.test.ts

@@ -1,19 +1,17 @@
 import { runTests } from './utils'
 
-describe.skip('dynamic api route dev', () => {
-  it.each([
-    { dynamicApiRoute: 'undefined' },
-    { dynamicApiRoute: "'error'" },
-    { dynamicApiRoute: "'force-static'" },
-    {
-      dynamicApiRoute: "'force-dynamic'",
-      expectedErrMsg:
-        'export const dynamic = "force-dynamic" on page "/api/json" cannot be used with "output: export".',
-    },
-  ])(
-    'should work in dev with dynamicApiRoute $dynamicApiRoute',
-    async ({ dynamicApiRoute, expectedErrMsg }) => {
-      await runTests({ isDev: true, dynamicApiRoute, expectedErrMsg })
-    }
-  )
-})
+it.each([
+  { dynamicApiRoute: 'undefined' },
+  { dynamicApiRoute: "'error'" },
+  { dynamicApiRoute: "'force-static'" },
+  {
+    dynamicApiRoute: "'force-dynamic'",
+    expectedErrMsg:
+      'export const dynamic = "force-dynamic" on page "/api/json" cannot be used with "output: export".',
+  },
+])(
+  'should work in dev with dynamicApiRoute $dynamicApiRoute',
+  async ({ dynamicApiRoute, expectedErrMsg }) => {
+    await runTests({ isDev: true, dynamicApiRoute, expectedErrMsg })
+  }
+)

test/integration/app-dir-export/test/dynamicapiroute-prod.test.ts

@@ -1,19 +1,17 @@
 import { runTests } from './utils'
 
-describe.skip('dynamic api route prod', () => {
-  it.each([
-    { dynamicApiRoute: 'undefined' },
-    { dynamicApiRoute: "'error'" },
-    { dynamicApiRoute: "'force-static'" },
-    {
-      dynamicApiRoute: "'force-dynamic'",
-      expectedErrMsg:
-        'export const dynamic = "force-dynamic" on page "/api/json" cannot be used with "output: export".',
-    },
-  ])(
-    'should work in prod with dynamicApiRoute $dynamicApiRoute',
-    async ({ dynamicApiRoute, expectedErrMsg }) => {
-      await runTests({ isDev: false, dynamicApiRoute, expectedErrMsg })
-    }
-  )
-})
+it.each([
+  { dynamicApiRoute: 'undefined' },
+  { dynamicApiRoute: "'error'" },
+  { dynamicApiRoute: "'force-static'" },
+  {
+    dynamicApiRoute: "'force-dynamic'",
+    expectedErrMsg:
+      'export const dynamic = "force-dynamic" on page "/api/json" cannot be used with "output: export".',
+  },
+])(
+  'should work in prod with dynamicApiRoute $dynamicApiRoute',
+  async ({ dynamicApiRoute, expectedErrMsg }) => {
+    await runTests({ isDev: false, dynamicApiRoute, expectedErrMsg })
+  }
+)

test/integration/app-dir-export/test/dynamicpage-dev.test.ts

@@ -1,19 +1,17 @@
 import { runTests } from './utils'
 
-describe.skip('dynamic page dev', () => {
-  it.each([
-    { dynamicPage: 'undefined' },
-    { dynamicPage: "'error'" },
-    { dynamicPage: "'force-static'" },
-    {
-      dynamicPage: "'force-dynamic'",
-      expectedErrMsg:
-        'Page with `dynamic = "force-dynamic"` couldn\'t be rendered statically because it used `output: export`.',
-    },
-  ])(
-    'should work in dev with dynamicPage $dynamicPage',
-    async ({ dynamicPage, expectedErrMsg }) => {
-      await runTests({ isDev: true, dynamicPage, expectedErrMsg })
-    }
-  )
-})
+it.each([
+  { dynamicPage: 'undefined' },
+  { dynamicPage: "'error'" },
+  { dynamicPage: "'force-static'" },
+  {
+    dynamicPage: "'force-dynamic'",
+    expectedErrMsg:
+      'Page with `dynamic = "force-dynamic"` couldn\'t be rendered statically because it used `output: export`.',
+  },
+])(
+  'should work in dev with dynamicPage $dynamicPage',
+  async ({ dynamicPage, expectedErrMsg }) => {
+    await runTests({ isDev: true, dynamicPage, expectedErrMsg })
+  }
+)

test/integration/app-dir-export/test/dynamicpage-prod.test.ts

@@ -1,19 +1,17 @@
 import { runTests } from './utils'
 
-describe.skip('dynamic page dev', () => {
-  it.each([
-    { dynamicPage: 'undefined' },
-    { dynadynamicPagemic: "'error'" },
-    { dynamicPage: "'force-static'" },
-    {
-      dynamicPage: "'force-dynamic'",
-      expectedErrMsg:
-        'Page with `dynamic = "force-dynamic"` couldn\'t be rendered statically because it used `output: export`.',
-    },
-  ])(
-    'should work in prod with dynamicPage $dynamicPage',
-    async ({ dynamicPage, expectedErrMsg }) => {
-      await runTests({ isDev: false, dynamicPage, expectedErrMsg })
-    }
-  )
-})
+it.each([
+  { dynamicPage: 'undefined' },
+  { dynadynamicPagemic: "'error'" },
+  { dynamicPage: "'force-static'" },
+  {
+    dynamicPage: "'force-dynamic'",
+    expectedErrMsg:
+      'Page with `dynamic = "force-dynamic"` couldn\'t be rendered statically because it used `output: export`.',
+  },
+])(
+  'should work in prod with dynamicPage $dynamicPage',
+  async ({ dynamicPage, expectedErrMsg }) => {
+    await runTests({ isDev: false, dynamicPage, expectedErrMsg })
+  }
+)

test/integration/app-dir-export/test/start.test.ts

@@ -17,7 +17,7 @@ const exportDir = join(appDir, 'out')
 const nextConfig = new File(join(appDir, 'next.config.js'))
 let app
 
-describe.skip('app dir with output export (next start)', () => {
+describe('app dir with output export (next start)', () => {
   afterEach(async () => {
     await killApp(app)
     nextConfig.restore()

test/integration/app-dir-export/test/trailing-slash-dev.test.ts

@@ -1,10 +1,8 @@
 import { runTests } from './utils'
 
-describe.skip('trailing slash dev', () => {
-  it.each([{ trailingSlash: false }, { trailingSlash: true }])(
-    "should work in dev with trailingSlash '$trailingSlash'",
-    async ({ trailingSlash }) => {
-      await runTests({ isDev: true, trailingSlash })
-    }
-  )
-})
+it.each([{ trailingSlash: false }, { trailingSlash: true }])(
+  "should work in dev with trailingSlash '$trailingSlash'",
+  async ({ trailingSlash }) => {
+    await runTests({ isDev: true, trailingSlash })
+  }
+)

test/integration/app-dir-export/test/trailing-slash-start.test.ts

@@ -1,10 +1,8 @@
 import { runTests } from './utils'
 
-describe.skip('trailing slash dev', () => {
-  it.each([{ trailingSlash: false }, { trailingSlash: true }])(
-    "should work in prod with trailingSlash '$trailingSlash'",
-    async ({ trailingSlash }) => {
-      await runTests({ isDev: false, trailingSlash })
-    }
-  )
-})
+it.each([{ trailingSlash: false }, { trailingSlash: true }])(
+  "should work in prod with trailingSlash '$trailingSlash'",
+  async ({ trailingSlash }) => {
+    await runTests({ isDev: false, trailingSlash })
+  }
+)