test(rsc): fix setupIsolatedFixture on windows ci (#559)

Author: hi-ogawa

.github/workflows/ci-rsc.yml

@@ -63,7 +63,7 @@ jobs:
       - run: pnpm -C packages/plugin-rsc exec playwright install ${{ matrix.browser }}
       - run: pnpm -C packages/plugin-rsc test-e2e-ci --project=${{ matrix.browser }}
         env:
-          TEST_ISOLATED: ${{ matrix.os != 'windows-latest' }}
+          TEST_ISOLATED: true
       - uses: actions/upload-artifact@v4
         if: always()
         with:

packages/plugin-rsc/e2e/basic.test.ts

@@ -3,6 +3,8 @@ import { readFileSync } from 'node:fs'
 import { type Page, expect, test } from '@playwright/test'
 import { type Fixture, setupIsolatedFixture, useFixture } from './fixture'
 import { expectNoReload, testNoJs, waitForHydration } from './helper'
+import path from 'node:path'
+import os from 'node:os'
 
 // TODO: parallel?
 // TODO: all tests don't need to be tested in all variants?
@@ -107,7 +109,12 @@ test.describe(() => {
   // disabled by default
   if (process.env.TEST_ISOLATED !== 'true') return
 
-  let tmpRoot = '/tmp/test-vite-rsc'
+  // use RUNNER_TEMP on Github Actions
+  // https://github.com/actions/toolkit/issues/518
+  const tmpRoot = path.join(
+    process.env['RUNNER_TEMP'] || os.tmpdir(),
+    'test-vite-rsc',
+  )
   test.beforeAll(async () => {
     await setupIsolatedFixture({ src: 'examples/basic', dest: tmpRoot })
   })

packages/plugin-rsc/e2e/fixture.ts

@@ -153,10 +153,9 @@ export async function setupIsolatedFixture(options: {
 }) {
   // copy fixture
   fs.rmSync(options.dest, { recursive: true, force: true })
-  fs.cpSync(options.src, options.dest, { recursive: true })
-  fs.rmSync(path.join(options.dest, 'node_modules'), {
+  fs.cpSync(options.src, options.dest, {
     recursive: true,
-    force: true,
+    filter: (src) => !src.includes('node_modules'),
   })
 
   // setup package.json overrides
@@ -174,7 +173,11 @@ export async function setupIsolatedFixture(options: {
     throwOnError: true,
     nodeOptions: {
       cwd: options.dest,
-      stdio: process.env.TEST_DEBUG ? 'inherit' : undefined,
+      stdio: [
+        'ignore',
+        process.env.TEST_DEBUG ? 'inherit' : 'ignore',
+        'inherit',
+      ],
     },
   })
 }