fix: delay initializeDistPath + test createVitest

packages/vitest/src/node/core.ts

@@ -381,11 +381,6 @@ export class Vitest {
   async start(filters?: string[]) {
     this._onClose = []
 
-    // if Vitest is running globally, then we should still import local vitest if possible
-    const projectVitestPath = await this.vitenode.resolveId('vitest')
-    const vitestDir = projectVitestPath ? resolve(projectVitestPath.id, '../..') : rootDir
-    this.distPath = join(vitestDir, 'dist')
-
     try {
       await this.initCoverageProvider()
       await this.coverageProvider?.clean(this.config.coverage.clean)
@@ -508,7 +503,19 @@ export class Vitest {
       await project.initializeGlobalSetup()
   }
 
+  private async initializeDistPath() {
+    if (this.distPath)
+      return
+
+    // if Vitest is running globally, then we should still import local vitest if possible
+    const projectVitestPath = await this.vitenode.resolveId('vitest')
+    const vitestDir = projectVitestPath ? resolve(projectVitestPath.id, '../..') : rootDir
+    this.distPath = join(vitestDir, 'dist')
+  }
+
   async runFiles(paths: WorkspaceSpec[], allTestsRun: boolean) {
+    await this.initializeDistPath()
+
     const filepaths = paths.map(([, file]) => file)
     this.state.collectPaths(filepaths)
 

test/cli/fixtures/create-vitest/basic.test.ts

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

test/cli/fixtures/create-vitest/vitest.config.ts

@@ -0,0 +1,3 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({})

test/cli/test/create-vitest.test.ts

@@ -0,0 +1,28 @@
+import { expect, it, vi } from 'vitest'
+import { createVitest } from 'vitest/node'
+
+it(createVitest, async () => {
+  const onFinished = vi.fn()
+  const ctx = await createVitest('test', {
+    watch: false,
+    root: 'fixtures/create-vitest',
+    reporters: [
+      {
+        onFinished,
+      },
+    ],
+  })
+  const testFiles = await ctx.globTestFiles()
+  await ctx.runFiles(testFiles, false)
+  expect(onFinished.mock.calls[0]).toMatchObject([
+    [
+      {
+        name: 'basic.test.ts',
+        result: {
+          state: 'pass',
+        },
+      },
+    ],
+    [],
+  ])
+})