fix: fix ssr environment runner in project (#9584)

Author: hi-ogawa

packages/vitest/src/node/plugins/workspace.ts

@@ -245,6 +245,7 @@ export function WorkspaceVitestPlugin(
     },
     {
       name: 'vitest:project:server',
+      enforce: 'pre',
       async configureServer(server) {
         const options = deepMerge({}, configDefaults, server.config.test || {})
         await project._configureServer(options, server)

test/cli/fixtures/ssr-runner-project/project/basic.test.ts

@@ -0,0 +1,5 @@
+import { test, expect } from 'vitest'
+
+test('basic', () => {
+  expect(1 + 1).toBe(2)
+})

test/cli/fixtures/ssr-runner-project/project/test-runner.js

@@ -0,0 +1,2 @@
+import * as vite from 'vite'
+export default vite

test/cli/fixtures/ssr-runner-project/project/vitest.config.ts

@@ -0,0 +1,21 @@
+import assert from 'node:assert'
+import { isRunnableDevEnvironment, createServer } from 'vite'
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  plugins: [
+    {
+      name: 'test-ssr-runner',
+      // test ssr runner.import() with correct external semantics in configureServer hook
+      // vite should be externalized and reference-equal to the directly imported one
+      async configureServer(server) {
+        const ssr = server.environments.ssr
+        if (isRunnableDevEnvironment(ssr)) {
+          const m = await ssr.runner.import<{ default: typeof import("vite") }>('./test-runner.js')
+          assert(m.default.createServer === createServer)
+          ;(globalThis as any).__testSsrRunnerProject = m.default.version
+        }
+      },
+    },
+  ],
+})

test/cli/fixtures/ssr-runner-project/vitest.config.ts

@@ -0,0 +1,7 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    projects: ["project"],
+  },
+});

test/cli/test/ssr-runner.test.ts

@@ -4,6 +4,13 @@ import { runVitest } from '../../test-utils'
 
 // https://github.com/vitest-dev/vitest/issues/9324
 it('ssr runner.import() works in configureServer', async () => {
-  await runVitest({ root: './fixtures/ssr-runner' })
+  const { stderr } = await runVitest({ root: './fixtures/ssr-runner' })
+  expect(stderr).toBe('')
   expect((globalThis as any).__testSsrRunner).toBe(version)
 })
+
+it('works in project', async () => {
+  const { stderr } = await runVitest({ root: './fixtures/ssr-runner-project' })
+  expect(stderr).toBe('')
+  expect((globalThis as any).__testSsrRunnerProject).toBe(version)
+})