fix: do not skip transforms on test files

examples/app-vitest-full/tests/nuxt/mock-component-3.spec.ts

@@ -0,0 +1,17 @@
+import { expect, it } from 'vitest'
+import { mockComponent, mountSuspended } from '@nuxt/test-utils/runtime-utils'
+import { SomeComponent } from '#components'
+
+mockComponent('SomeComponent', async () => {
+  const { h } = await import('vue')
+  return {
+    setup() {
+      return () => h('div', null, 'Mocked')
+    },
+  }
+})
+
+it('should mock', async () => {
+  const component = await mountSuspended(SomeComponent)
+  expect(component.html()).toMatchInlineSnapshot(`"<div>Mocked</div>"`)
+})

src/module/mock.ts

@@ -1,5 +1,5 @@
 import type { Unimport } from 'unimport'
-import { addVitePlugin, useNuxt } from '@nuxt/kit'
+import { addVitePlugin, isIgnored, resolveIgnorePatterns, useNuxt } from '@nuxt/kit'
 
 import { createMockPlugin } from './plugins/mock'
 import type { MockPluginContext } from './plugins/mock'
@@ -28,5 +28,13 @@ export function setupImportMocking () {
     ctx.components = _
   })
 
+  // We want to run Nuxt plugins on test files
+  nuxt.options.ignore = nuxt.options.ignore.filter(i => i !== '**/*.{spec,test}.{js,cts,mts,ts,jsx,tsx}')
+  if (nuxt._ignore) {
+    for (const pattern of resolveIgnorePatterns('**/*.{spec,test}.{js,cts,mts,ts,jsx,tsx}')) {
+      nuxt._ignore.add(`!${pattern}`)
+    }
+  }
+
   addVitePlugin(createMockPlugin(ctx).vite())
 }