test: actually build

packages/vite/src/node/__tests__/build.spec.ts

@@ -866,8 +866,9 @@ test.for([true, false])(
 )
 
 test('sharedConfigBuild and emitAssets', async () => {
+  const root = resolve(__dirname, 'fixtures/shared-config-build/emitAssets')
   const builder = await createBuilder({
-    root: resolve(__dirname, 'fixtures/shared-config-build'),
+    root,
     logLevel: 'warn',
     configFile: false,
     environments: {
@@ -909,6 +910,34 @@ test('sharedConfigBuild and emitAssets', async () => {
     builder.environments.ssr.config.build.emitAssets,
     builder.environments.custom.config.build.emitAssets,
   ]).toEqual([true, true, true])
+
+  await builder.buildApp()
+
+  expect(
+    await Promise.all([
+      fsp.readdir(
+        resolve(
+          root,
+          builder.environments.client.config.build.outDir,
+          'assets',
+        ),
+      ),
+      fsp.readdir(
+        resolve(root, builder.environments.ssr.config.build.outDir, 'assets'),
+      ),
+      fsp.readdir(
+        resolve(
+          root,
+          builder.environments.custom.config.build.outDir,
+          'assets',
+        ),
+      ),
+    ]),
+  ).toEqual([
+    expect.arrayContaining([expect.stringMatching(/\.css$/)]),
+    expect.arrayContaining([expect.stringMatching(/\.css$/)]),
+    expect.arrayContaining([expect.stringMatching(/\.css$/)]),
+  ])
 })
 
 test('adjust worker build error for worker.format', async () => {

packages/vite/src/node/__tests__/fixtures/shared-config-build/entry.js → packages/vite/src/node/__tests__/fixtures/shared-config-build/emitAssets/entry.js

@@ -1 +1,2 @@
+import './test.css'
 console.log('entry')

packages/vite/src/node/__tests__/fixtures/shared-config-build/emitAssets/test.css

@@ -0,0 +1,3 @@
+body {
+  color: orange;
+}