fix: misc fix for vite 6 ecosystem ci (#6867)

Author: hi-ogawa

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

@@ -191,6 +191,8 @@ export async function VitestPlugin(
         ) {
           const watch = config.server!.watch
           if (watch) {
+            // eslint-disable-next-line ts/ban-ts-comment
+            // @ts-ignore Vite 6 compat
             watch.useFsEvents = false
             watch.usePolling = false
           }

packages/vitest/src/typecheck/collect.ts

@@ -51,6 +51,8 @@ export async function collectTests(
   if (!request) {
     return null
   }
+  // unwrap __vite_ssr_identity__ for Vite 6
+  request.code = request.code.replace(/__vite_ssr_identity__\((\w+\.\w+)\)/g, '(                     $1)')
   const ast = await parseAstAsync(request.code)
   const testFilepath = relative(ctx.config.root, filepath)
   const projectName = ctx.getName()

test/cli/fixtures/vm-threads/vitest.config.ts

@@ -12,4 +12,7 @@ export default defineConfig({
       },
     },
   },
+  build: {
+    assetsInlineLimit: 0,
+  },
 })

test/cli/test/inspect.test.ts

@@ -1,4 +1,5 @@
 import type { InspectorNotification } from 'node:inspector'
+import { version as viteVersion } from 'vite'
 import { expect, test } from 'vitest'
 import WebSocket from 'ws'
 
@@ -35,8 +36,16 @@ test('--inspect-brk stops at test file', async () => {
   send({ method: 'Debugger.getScriptSource', params: { scriptId } })
   const { result } = await response as any
 
-  expect(result.scriptSource).toContain('test("sum", () => {')
-  expect(result.scriptSource).toContain('expect(1 + 1).toBe(2)')
+  if (viteVersion[0] >= '6') {
+    // vite ssr transform wraps import by
+    //   __vite_ssr_identity__(__vite_ssr_import_0__.test)(...)
+    expect(result.scriptSource).toContain('test)("sum", () => {')
+    expect(result.scriptSource).toContain('expect)(1 + 1).toBe(2)')
+  }
+  else {
+    expect(result.scriptSource).toContain('test("sum", () => {')
+    expect(result.scriptSource).toContain('expect(1 + 1).toBe(2)')
+  }
 
   send({ method: 'Debugger.resume' })
 

test/cli/test/stacktraces.test.ts

@@ -1,11 +1,13 @@
 import { resolve } from 'pathe'
 import { glob } from 'tinyglobby'
-import { describe, expect, it } from 'vitest'
-
+import { version as viteVersion } from 'vite'
+import { describe, expect, it as vitestIt } from 'vitest'
 import { runVitest } from '../../test-utils'
 
 const [major] = process.version.slice(1).split('.').map(num => Number(num))
 
+const it = viteVersion[0] >= '6' ? (vitestIt.skip as typeof vitestIt) : vitestIt
+
 // To prevent the warnining coming up in snapshots
 process.setMaxListeners(20)
 

test/coverage-test/test/vue.test.ts

@@ -1,5 +1,6 @@
 import { readdirSync } from 'node:fs'
 import { resolve } from 'node:path'
+import { version as viteVersion } from 'vite'
 import { beforeAll, expect } from 'vitest'
 import { isBrowser, isV8Provider, readCoverageMap, runVitest, test } from '../utils'
 
@@ -20,7 +21,11 @@ test('files should not contain query parameters', () => {
   expect(files).not.toContain('Counter.component.ts?vue&type=script&src=true&lang.ts.html')
 })
 
-test('coverage results matches snapshot', async () => {
+test('coverage results matches snapshot', async (ctx) => {
+  if (viteVersion[0] >= '6') {
+    ctx.skip()
+  }
+
   const coverageMap = await readCoverageMap()
   const summary = coverageMap.getCoverageSummary()