fix: mock app manifest if required (#354)

packages/nuxt-vitest/src/config.ts

@@ -116,6 +116,7 @@ export async function getVitestConfigFromNuxt(
           ...options.viteConfig.test?.environmentOptions?.nuxt,
         },
         nuxtRuntimeConfig: options.nuxt.options.runtimeConfig,
+        nuxtRouteRules: defu({}, options.nuxt.options.routeRules, options.nuxt.options.nitro?.routeRules)
       },
       environmentMatchGlobs: [
         ['**/*.nuxt.{test,spec}.{js,mjs,cjs,ts,mts,cts,jsx,tsx}', 'nuxt'],

packages/vitest-environment-nuxt/package.json

@@ -54,6 +54,7 @@
     "local-pkg": "^0.4.3",
     "magic-string": "^0.30.3",
     "ofetch": "^1.3.3",
+    "radix3": "^1.1.0",
     "ufo": "^1.3.0",
     "unenv": "^1.7.4"
   },

packages/vitest-environment-nuxt/src/index.ts

@@ -1,7 +1,8 @@
 import type { Environment } from 'vitest'
 import { createFetch } from 'ofetch'
 import { joinURL } from 'ufo'
-import { createApp, toNodeListener } from 'h3'
+import { createApp, defineEventHandler, toNodeListener } from 'h3'
+import { createRouter as createRadixRouter, exportMatcher, toRouteMatcher } from 'radix3'
 import { populateGlobal } from 'vitest/environments'
 import {
   createCall,
@@ -93,6 +94,26 @@ export default <Environment>{
       bindFunctions: true,
     })
 
+    // App manifest support
+    const timestamp = Date.now()
+    const routeRulesMatcher = toRouteMatcher(
+      createRadixRouter({ routes: environmentOptions.nuxtRouteRules || {} })
+    )
+    const matcher = exportMatcher(routeRulesMatcher)
+    h3App.use('/_/_nuxt/builds/latest.json', defineEventHandler(() => ({
+      id: 'test',
+      timestamp
+    })))
+    h3App.use('/_/_nuxt/builds/meta/test.json', defineEventHandler(() => ({
+      id: 'test',
+      timestamp,
+      matcher,
+      prerendered: []
+    })))
+
+    registry.add('/_nuxt/builds/latest.json')
+    registry.add('/_nuxt/builds/meta/test.json')
+
     // @ts-ignore
     await import('#app/entry').then(r => r.default())