test(rsc): test vite 6 (#762)

Author: hi-ogawa

packages/plugin-rsc/e2e/fixture.ts

@@ -166,6 +166,7 @@ export function useFixture(options: {
 export async function setupIsolatedFixture(options: {
   src: string
   dest: string
+  overrides?: Record<string, string>
 }) {
   // copy fixture
   fs.rmSync(options.dest, { recursive: true, force: true })
@@ -184,10 +185,16 @@ export async function setupIsolatedFixture(options: {
     /overrides:\s*([\s\S]*?)(?=\n\w|\n*$)/,
   )
   const overridesSection = overridesMatch ? overridesMatch[0] : 'overrides:'
+  const overrides = {
+    '@vitejs/plugin-rsc': `file:${path.join(rootDir, 'packages/plugin-rsc')}`,
+    '@vitejs/plugin-react': `file:${path.join(rootDir, 'packages/plugin-react')}`,
+    ...options.overrides,
+  }
   const tempWorkspaceYaml = `\
 ${overridesSection}
-  '@vitejs/plugin-rsc': ${JSON.stringify('file:' + path.join(rootDir, 'packages/plugin-rsc'))}
-  '@vitejs/plugin-react': ${JSON.stringify('file:' + path.join(rootDir, 'packages/plugin-react'))}
+${Object.entries(overrides)
+  .map(([k, v]) => `  ${JSON.stringify(k)}: ${JSON.stringify(v)}`)
+  .join('\n')}
 `
   fs.writeFileSync(
     path.join(options.dest, 'pnpm-workspace.yaml'),

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

@@ -3,6 +3,7 @@ import { setupIsolatedFixture, useFixture } from './fixture'
 import { defineStarterTest } from './starter'
 import path from 'node:path'
 import os from 'node:os'
+import * as vite from 'vite'
 
 test.describe(() => {
   // use RUNNER_TEMP on Github Actions
@@ -25,3 +26,31 @@ test.describe(() => {
     defineStarterTest(f)
   })
 })
+
+test.describe('vite 6', () => {
+  test.skip(!!process.env.ECOSYSTEM_CI || 'rolldownVersion' in vite)
+
+  const tmpRoot = path.join(
+    process.env['RUNNER_TEMP'] || os.tmpdir(),
+    'test-vite-rsc-vite-6',
+  )
+  test.beforeAll(async () => {
+    await setupIsolatedFixture({
+      src: 'examples/starter',
+      dest: tmpRoot,
+      overrides: {
+        vite: '^6',
+      },
+    })
+  })
+
+  test.describe('dev', () => {
+    const f = useFixture({ root: tmpRoot, mode: 'dev' })
+    defineStarterTest(f)
+  })
+
+  test.describe('build', () => {
+    const f = useFixture({ root: tmpRoot, mode: 'build' })
+    defineStarterTest(f)
+  })
+})