test: unit

packages/vite/src/node/ssr/__tests__/fixtures/entry-mix-dep.mjs

@@ -0,0 +1,2 @@
+import mixDep from '@vitejs/test-mix-dep'
+export default mixDep

packages/vite/src/node/ssr/__tests__/fixtures/mix-dep/index.cjs.js

@@ -0,0 +1 @@
+module.exports = 'default'

packages/vite/src/node/ssr/__tests__/fixtures/mix-dep/index.cjs.mjs

@@ -0,0 +1 @@
+export default 'import'

packages/vite/src/node/ssr/__tests__/fixtures/mix-dep/index.esm.js

@@ -0,0 +1 @@
+module.exports = 'module'

packages/vite/src/node/ssr/__tests__/fixtures/mix-dep/package.json

@@ -4,10 +4,10 @@
   "exports": {
     ".": {
       "module": {
-        "default": "./emotion-react.esm.js"
+        "default": "./index.esm.js"
       },
-      "import": "./emotion-react.cjs.mjs",
-      "default": "./emotion-react.cjs.js"
+      "import": "./index.cjs.mjs",
+      "default": "./index.cjs.js"
     }
   }
 }

packages/vite/src/node/ssr/__tests__/resolve.spec.ts

@@ -1,17 +1,50 @@
 import { fileURLToPath } from 'node:url'
-import { test } from 'vitest'
+import { describe, expect, onTestFinished, test } from 'vitest'
 import { createServer } from '../../server'
 
-test('resolve', async () => {
-  const server = await createServer({
-    clearScreen: false,
-    configFile: false,
-    root: fileURLToPath(new URL('.', import.meta.url)),
+describe('exports', () => {
+  async function testServer() {
+    const server = await createServer({
+      clearScreen: false,
+      configFile: false,
+      root: fileURLToPath(new URL('.', import.meta.url)),
+    })
+    await server.pluginContainer.buildStart({})
+    onTestFinished(async () => {
+      await server.close()
+    })
+    return server
+  }
+
+  test('resolveId ssr', async () => {
+    const server = await testServer()
+    const resolved = await server.pluginContainer.resolveId(
+      '@vitejs/test-mix-dep',
+      undefined,
+      {
+        ssr: true,
+      },
+    )
+    expect(resolved?.id).toContain('index.cjs.mjs')
+  })
+
+  test('resolveId no-ssr', async () => {
+    const server = await testServer()
+    const resolved = await server.pluginContainer.resolveId(
+      '@vitejs/test-mix-dep',
+    )
+    expect(resolved?.id).toContain('index.esm.js')
+  })
+
+  test('ssrLoadModule direct', async () => {
+    const server = await testServer()
+    const mod = await server.ssrLoadModule('@vitejs/test-mix-dep')
+    expect(mod.default).toEqual('import')
+  })
+
+  test('ssrLoadModule external', async () => {
+    const server = await testServer()
+    const mod = await server.ssrLoadModule('/fixtures/entry-mix-dep')
+    expect(mod.default).toEqual('import')
   })
-  await server.pluginContainer.buildStart({})
-  console.log(
-    await server.pluginContainer.resolveId('@vitejs/test-mix-dep', undefined, {
-      ssr: true,
-    }),
-  )
 })