test: e2e

Author: hi-ogawa

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

@@ -9,6 +9,8 @@ import {
   waitForHydration,
 } from './helper'
 import { x } from 'tinyexec'
+import { normalizePath, type Rollup } from 'vite'
+import path from 'node:path'
 
 test.describe('dev-default', () => {
   const f = useFixture({ root: 'examples/basic', mode: 'dev' })
@@ -45,6 +47,17 @@ test.describe('dev-initial', () => {
 test.describe('build-default', () => {
   const f = useFixture({ root: 'examples/basic', mode: 'build' })
   defineTest(f)
+
+  test('custom client chunk', async () => {
+    const { chunks }: { chunks: Rollup.OutputChunk[] } = JSON.parse(
+      f.createEditor('dist/client/.vite/test.json').read(),
+    )
+    const chunk = chunks.find((c) => c.name === 'custom-chunk')
+    const expected = [1, 2, 3].map((i) =>
+      normalizePath(path.join(f.root, `src/routes/chunk/client${i}.tsx`)),
+    )
+    expect(chunk?.moduleIds).toEqual(expect.arrayContaining(expected))
+  })
 })
 
 test.describe('dev-non-optimized-cjs', () => {

packages/plugin-rsc/examples/basic/vite.config.ts

@@ -11,6 +11,7 @@ import {
 } from 'vite'
 // import inspect from 'vite-plugin-inspect'
 import path from 'node:path'
+import fs from 'node:fs'
 import { fileURLToPath } from 'node:url'
 
 export default defineConfig({
@@ -48,6 +49,23 @@ export default defineConfig({
         }
       },
     },
+    {
+      // dump entire bundle to analyze build output for e2e
+      name: 'test-metadata',
+      enforce: 'post',
+      writeBundle(options, bundle) {
+        const chunks: Rollup.OutputChunk[] = []
+        for (const chunk of Object.values(bundle)) {
+          if (chunk.type === 'chunk') {
+            chunks.push(chunk)
+          }
+        }
+        fs.writeFileSync(
+          path.join(options.dir!, '.vite/test.json'),
+          JSON.stringify({ chunks }, null, 2),
+        )
+      },
+    },
     {
       name: 'test-server-assets-security',
       buildStart() {