fix(browser): support benchmark (#5622)

Author: hi-ogawa

packages/browser/src/client/runner.ts

@@ -92,11 +92,12 @@ export async function initiateRunner() {
 if(cachedRunner)
 returncachedRunner
 constconfig=getConfig()
-const[{ VitestTestRunner },{ takeCoverageInsideWorker, loadDiffConfig, loadSnapshotSerializers }]=awaitPromise.all([
+const[{ VitestTestRunner, NodeBenchmarkRunner},{ takeCoverageInsideWorker, loadDiffConfig, loadSnapshotSerializers }]=awaitPromise.all([
 importId('vitest/runners')asPromise<typeofimport('vitest/runners')>,
 importId('vitest/browser')asPromise<typeofimport('vitest/browser')>,
 ])
-constBrowserRunner=createBrowserRunner(VitestTestRunner,{
+construnnerClass=config.mode==='test' ? VitestTestRunner : NodeBenchmarkRunner
+constBrowserRunner=createBrowserRunner(runnerClass,{
 takeCoverage: ()=>takeCoverageInsideWorker(config.coverage,{executeId: importId}),
 })
 if(!config.snapshotOptions.snapshotEnvironment)

test/benchmark/fixtures/basic/only.bench.ts

@@ -1,5 +1,4 @@
-importassertfrom'node:assert'
-import{bench,describe,expect}from'vitest'
+import{bench,describe,expect,assert}from'vitest'
 
 construn=[false,false,false,false,false]
 

test/browser/fixtures/benchmark/basic.bench.ts

@@ -0,0 +1,32 @@
+import{bench,describe}from'vitest'
+
+describe('suite-a',()=>{
+bench('good',async()=>{
+awaitsleep(10)
+},options)
+
+bench('bad',async()=>{
+awaitsleep(300)
+},options)
+})
+
+describe('suite-b',()=>{
+bench('good',async()=>{
+awaitsleep(25)
+},options)
+
+describe('suite-b-nested',()=>{
+bench('good',async()=>{
+awaitsleep(50)
+},options)
+})
+})
+
+constsleep=(ms: number)=>newPromise(resolve=>setTimeout(resolve,ms));
+
+constoptions={
+time: 0,
+iterations: 2,
+warmupIterations: 0,
+warmupTime: 0,
+}

test/browser/fixtures/benchmark/vitest.config.ts

@@ -0,0 +1,17 @@
+import{fileURLToPath}from'node:url'
+import{defineConfig}from'vitest/config'
+
+constprovider=process.env.PROVIDER||'playwright'
+constname=
+process.env.BROWSER||(provider==='playwright' ? 'chromium' : 'chrome')
+
+exportdefaultdefineConfig({
+test: {
+browser: {
+enabled: true,
+ provider,
+ name,
+},
+},
+cacheDir: fileURLToPath(newURL("./node_modules/.vite",import.meta.url)),
+})

test/browser/specs/benchmark.test.ts

@@ -0,0 +1,8 @@
+import{expect,test}from'vitest'
+import{runVitest}from'../../test-utils'
+
+test('benchmark',async()=>{
+constresult=awaitrunVitest({root: 'fixtures/benchmark'},[],'benchmark')
+expect(result.stdout).toContain('✓ basic.bench.ts > suite-a')
+expect(result.exitCode).toBe(0)
+})