feat(ui): allow run individual tests/suites from the UI

packages/ui/client/components/explorer/ExplorerItem.vue

@@ -3,7 +3,7 @@ import type { Task, TaskState } from '@vitest/runner'
 import { hasFailedSnapshot } from '@vitest/ws-client'
 import { Tooltip as VueTooltip } from 'floating-vue'
 import { nextTick } from 'vue'
-import { client, isReport, runFiles } from '~/composables/client'
+import { client, isReport, runFiles, runTask } from '~/composables/client'
 import { showSource } from '~/composables/codemirror'
 import { explorerTree } from '~/composables/explorer'
 import { escapeHtml, highlightRegex } from '~/composables/explorer/state'
@@ -24,6 +24,7 @@ const {
   disableTaskLocation,
   onItemClick,
   projectNameColor,
+  state,
 } = defineProps<{
   taskId: string
   name: string
@@ -73,7 +74,13 @@ async function onRun(task: Task) {
     disableCoverage.value = true
     await nextTick()
   }
-  await runFiles([task.file])
+
+  if (type === 'file') {
+    await runFiles([task.file])
+  }
+  else {
+    await runTask(task)
+  }
 }
 
 function updateSnapshot(task: Task) {
@@ -108,6 +115,14 @@ const gridStyles = computed(() => {
   } ${gridColumns.join(' ')};`
 })
 
+const runButtonTitle = computed(() => {
+  return type === 'file'
+    ? 'Run current file'
+    : type === 'suite'
+      ? 'Run all tests in this suite'
+      : 'Run current test'
+})
+
 const escapedName = computed(() => escapeHtml(name))
 const highlighted = computed(() => {
   const regex = highlightRegex.value
@@ -219,12 +234,11 @@ const projectNameTextColor = computed(() => {
       </VueTooltip>
       <IconButton
         v-if="!isReport"
-        v-tooltip.bottom="'Run current test'"
+        v-tooltip.bottom="runButtonTitle"
         data-testid="btn-run-test"
-        title="Run current test"
+        :title="runButtonTitle"
         icon="i-carbon:play-filled-alt"
         text-green5
-        :disabled="type !== 'file'"
         @click.prevent.stop="onRun(task)"
       />
     </div>

packages/ui/client/composables/client/index.ts

@@ -1,11 +1,12 @@
 import type { WebSocketStatus } from '@vueuse/core'
-import type { File, SerializedConfig, TaskResultPack } from 'vitest'
+import type { File, SerializedConfig, Task, TaskResultPack } from 'vitest'
 import type { BrowserRunnerState } from '../../../types'
 import { createFileTask } from '@vitest/runner/utils'
 import { createClient, getTasks } from '@vitest/ws-client'
 import { reactive as reactiveVue } from 'vue'
 import { explorerTree } from '~/composables/explorer'
 import { isFileNode } from '~/composables/explorer/utils'
+import { isSuite as isTaskSuite } from '~/utils/task'
 import { ui } from '../../composables/api'
 import { ENTRY_URL, isReport } from '../../constants'
 import { parseError } from '../error'
@@ -65,7 +66,21 @@ export const isConnecting = computed(() => status.value === 'CONNECTING')
 export const isDisconnected = computed(() => status.value === 'CLOSED')
 
 export function runAll() {
-  return runFiles(client.state.getFiles()/* , true */)
+  return runFiles(client.state.getFiles())
+}
+
+function clearTaskResult(task: Task) {
+  delete task.result
+  const node = explorerTree.nodes.get(task.id)
+  if (node) {
+    node.state = undefined
+    node.duration = undefined
+    if (isTaskSuite(task)) {
+      for (const t of task.tasks) {
+        clearTaskResult(t)
+      }
+    }
+  }
 }
 
 function clearResults(useFiles: File[]) {
@@ -98,7 +113,15 @@ export function runFiles(useFiles: File[]) {
 
   explorerTree.startRun()
 
-  return client.rpc.rerun(useFiles.map(i => i.filepath))
+  return client.rpc.rerun(useFiles.map(i => i.filepath), true)
+}
+
+export function runTask(task: Task) {
+  clearTaskResult(task)
+
+  explorerTree.startRun()
+
+  return client.rpc.rerunTask(task.id)
 }
 
 export function runCurrent() {

packages/vitest/src/api/setup.ts

@@ -72,8 +72,11 @@ export function setup(ctx: Vitest, _server?: ViteDevServer) {
           }
           return fs.writeFile(id, content, 'utf-8')
         },
-        async rerun(files) {
-          await ctx.rerunFiles(files)
+        async rerun(files, resetTestNamePattern) {
+          await ctx.rerunFiles(files, undefined, true, resetTestNamePattern)
+        },
+        async rerunTask(id) {
+          await ctx.rerunTask(id)
         },
         getConfig() {
           return ctx.getCoreWorkspaceProject().getSerializableConfig()

packages/vitest/src/api/types.ts

@@ -44,7 +44,8 @@ export interface WebSocketHandlers {
   ) => Promise<TransformResultWithSource | undefined>
   readTestFile: (id: string) => Promise<string | null>
   saveTestFile: (id: string, content: string) => Promise<void>
-  rerun: (files: string[]) => Promise<void>
+  rerun: (files: string[], resetTestNamePattern?: boolean) => Promise<void>
+  rerunTask: (id: string) => Promise<void>
   updateSnapshot: (file?: File) => Promise<void>
   getUnhandledErrors: () => unknown[]
 }

packages/vitest/src/node/core.ts

@@ -2,6 +2,7 @@ import type { CancelReason, File, TaskResultPack } from '@vitest/runner'
 import type { Writable } from 'node:stream'
 import type { ViteDevServer } from 'vite'
 import type { defineWorkspace } from 'vitest/config'
+import type { RunnerTask, RunnerTestSuite } from '../public'
 import type { SerializedCoverageConfig } from '../runtime/config'
 import type { ArgumentsType, OnServerRestartHandler, OnTestsRerunHandler, ProvidedContext, UserConsoleLog } from '../types/general'
 import type { ProcessPool, WorkspaceSpec } from './pool'
@@ -691,7 +692,11 @@ export class Vitest {
     await Promise.all(this.projects.map(p => p.initBrowserServer()))
   }
 
-  async rerunFiles(files: string[] = this.state.getFilepaths(), trigger?: string, allTestsRun = true) {
+  async rerunFiles(files: string[] = this.state.getFilepaths(), trigger?: string, allTestsRun = true, resetTestNamePattern = false) {
+    if (resetTestNamePattern) {
+      this.configOverride.testNamePattern = undefined
+    }
+
     if (this.filenamePattern) {
       const filteredFiles = await this.globTestFiles([this.filenamePattern])
       files = files.filter(file => filteredFiles.some(f => f[1] === file))
@@ -706,11 +711,29 @@ export class Vitest {
     await this.report('onWatcherStart', this.state.getFiles(files))
   }
 
+  private isSuite(task: RunnerTask): task is RunnerTestSuite {
+    return Object.hasOwnProperty.call(task, 'tasks')
+  }
+
+  async rerunTask(id: string) {
+    const task = this.state.idMap.get(id)
+    if (!task) {
+      throw new Error(`Task ${id} was not found`)
+    }
+    await this.changeNamePattern(
+      task.name,
+      [task.file.filepath],
+      this.isSuite(task) ? 'rerun suite' : 'rerun test',
+    )
+  }
+
   async changeProjectName(pattern: string) {
     if (pattern === '') {
       delete this.configOverride.project
     }
-    else { this.configOverride.project = pattern }
+    else {
+      this.configOverride.project = pattern
+    }
 
     this.projects = this.resolvedProjects.filter(p => p.getName() === pattern)
     const files = (await this.globTestSpecs()).map(spec => spec.moduleId)

test/ui/test/ui.spec.ts

@@ -172,7 +172,7 @@ test.describe('standalone', () => {
 
     // run single file
     await page.getByText('fixtures/sample.test.ts').hover()
-    await page.getByRole('button', { name: 'Run current test' }).click()
+    await page.getByRole('button', { name: 'Run current file' }).click()
 
     // check results
     await page.getByText('PASS (1)').click()