Achieve 100% test coverage

.taprc

@@ -1,5 +1,3 @@
 ts: true
 jsx: false
 flow: false
-coverage: true
-check-coverage: false

index.js

@@ -6,7 +6,9 @@ const { pathToFileURL } = require('node:url')
 
 const isFastifyAutoloadTypescriptOverride = !!process.env.FASTIFY_AUTOLOAD_TYPESCRIPT
 const isTsNode = (Symbol.for('ts-node.register.instance') in process) || !!process.env.TS_NODE_DEV
-const isBabelNode = (process?.execArgv || []).concat(process?.argv || []).some((arg) => arg.indexOf('babel-node') >= 0)
+const isBabelNode = (/* istanbul ignore next */process.execArgv || [])
+  .concat(/* istanbul ignore next */process.argv || [])
+  .some((arg) => arg.indexOf('babel-node') >= 0)
 
 const isVitestEnvironment = process.env.VITEST === 'true' || process.env.VITEST_WORKER_ID !== undefined
 const isJestEnvironment = process.env.JEST_WORKER_ID !== undefined
@@ -72,12 +74,9 @@ const fastifyAutoload = async function autoload (fastify, options) {
   }
 
   await Promise.all(hookArray.map((h) => {
-    if (hooksMeta[h.file]) return null // hook plugin already loaded, skip this instance
     return loadHook(h, opts)
       .then((hookPlugin) => {
-        if (hookPlugin) {
-          hooksMeta[h.file] = hookPlugin
-        }
+        hooksMeta[h.file] = hookPlugin
       })
       .catch((err) => {
         throw enrichError(err)
@@ -96,7 +95,7 @@ const fastifyAutoload = async function autoload (fastify, options) {
         for (const hookFile of hookFiles) {
           const hookPlugin = hooksMeta[hookFile.file]
           // encapsulate hooks at plugin level
-          if (hookPlugin) app.register(hookPlugin)
+          app.register(hookPlugin)
         }
         registerAllPlugins(app, pluginFiles)
       }
@@ -118,7 +117,7 @@ async function getPackageType (cwd) {
   const directories = cwd.split(sep)
 
   // required for paths that begin with the sep, such as linux root
-  directories[0] = directories[0] !== '' ? directories[0] : sep
+  directories[0] = /* istanbul ignore next */ directories[0] !== '' ? directories[0] : sep
 
   while (directories.length > 0) {
     const filePath = join(...directories, 'package.json')
@@ -409,7 +408,6 @@ function wrapRoutes (content) {
 }
 
 async function loadHook (hook, options) {
-  if (!hook) return null
   let hookContent
   if (options.forceESM || hook.type === 'module' || forceESMEnvironment) {
     hookContent = await import(pathToFileURL(hook.file).href)
@@ -436,6 +434,7 @@ function enrichError (err) {
   if (err instanceof SyntaxError) {
     err.message += ' at ' + err.stack.split('\n', 1)[0]
   }
+
   return err
 }
 

package.json

@@ -20,7 +20,7 @@
     "typescript:vitest": "vitest run",
     "typescript:vitest:dev": "vitest",
     "unit": "node scripts/unit.js",
-    "unit:with-modules": "tap test/commonjs/*.js test/module/*.js test/typescript/*.ts"
+    "unit:with-modules": "tap test/issues/*/test.js test/commonjs/*.js test/module/*.js test/typescript/*.ts"
   },
   "repository": {
     "type": "git",
@@ -43,6 +43,7 @@
     "url": "https://github.com/fastify/fastify-autoload/issues"
   },
   "homepage": "https://github.com/fastify/fastify-autoload#readme",
+  "dependencies": {},
   "devDependencies": {
     "@fastify/pre-commit": "^2.0.2",
     "@fastify/url-data": "^5.0.0",
@@ -52,6 +53,8 @@
     "@types/jest": "^29.0.0",
     "@types/node": "^20.1.0",
     "@types/tap": "^15.0.5",
+    "esbuild": "^0.19.2",
+    "esbuild-register": "^3.4.1",
     "fastify": "^4.0.0-rc.2",
     "fastify-plugin": "^4.0.0",
     "jest": "^28.1.3",
@@ -65,12 +68,9 @@
     "tsm": "^2.2.1",
     "tsx": "^3.7.1",
     "typescript": "^5.0.2",
-    "esbuild": "^0.19.2",
-    "esbuild-register": "^3.4.1",
     "vite": "^5.0.0",
     "vitest": "^0.34.1"
   },
-  "dependencies": {},
   "standard": {
     "ignore": [
       "test/*/*-error/lib/a.js"

test/issues/369/invalid-autohooks/.autohooks.js

@@ -0,0 +1 @@
+This is not valid JS code...

test/issues/369/non-SyntaxError/.autohooks.js

@@ -0,0 +1 @@
+x

test/issues/369/routes/.autohooks.js

@@ -0,0 +1,8 @@
+'use strict'
+
+module.exports = async function (app, opts) {
+  app.addHook('onRequest', async (req, reply) => {
+      req.hooked = req.hooked || []
+      req.hooked.push('root')
+    })
+}

test/issues/369/routes/child/.autohooks.js

@@ -0,0 +1,8 @@
+'use strict'
+
+module.exports = async function (app, opts) {
+    app.addHook('onRequest', async (req, reply) => {
+        req.hooked = req.hooked || []
+        req.hooked.push('child')
+      })
+}

test/issues/369/routes/child/routes.js

@@ -0,0 +1,7 @@
+'use strict'
+
+module.exports = async function (app, opts, next) {
+  app.get('/', async function (req, reply) {
+    reply.status(200).send({ hooked: req.hooked })
+  })
+}

test/issues/369/routes/promisified/.autohooks.js

@@ -0,0 +1,10 @@
+'use strict'
+
+module.exports = new Promise((res) => {
+    res(async function (app, opts) {
+        app.addHook('onRequest', async (req, reply) => {
+            req.hooked = req.hooked || []
+            req.hooked.push('promisified')
+          })
+    })
+})

test/issues/369/routes/promisified/routes.js

@@ -0,0 +1,7 @@
+'use strict'
+
+module.exports = async function (app, opts, next) {
+  app.get('/', async function (req, reply) {
+    reply.status(200).send({ hooked: req.hooked })
+  })
+}

test/issues/369/routes/routes.js

@@ -0,0 +1,7 @@
+'use strict'
+
+module.exports = async function (app, opts, next) {
+  app.get('/', async function (req, reply) {
+    reply.status(200).send({ hooked: req.hooked })
+  })
+}

test/issues/369/test.js

@@ -0,0 +1,183 @@
+'use strict'
+
+const { test } = require('tap')
+const Fastify = require('fastify')
+const path = require('path')
+const autoload = require('../../..')
+
+test('Should throw an error when trying to load invalid hooks', async (t) => {
+  const app = Fastify()
+  app.register(autoload, {
+    dir: path.join(__dirname, 'invalid-autohooks'),
+    autoHooks: true
+  })
+
+  await t.rejects(app.ready(), new SyntaxError(`Unexpected identifier at ${path.join(__dirname, 'invalid-autohooks/.autohooks.js')}:1`))
+})
+
+test('Should throw an error when trying to import hooks plugin using index.ts if typescriptSupport is not enabled', async (t) => {
+  const app = Fastify()
+  app.register(autoload, {
+    dir: path.join(__dirname, 'invalid-index-type'),
+    autoHooks: true
+  })
+
+  await t.rejects(app.ready(), new Error(`@fastify/autoload cannot import hooks plugin at '${path.join(__dirname, 'invalid-index-type/index.ts')}'. To fix this error compile TypeScript to JavaScript or use 'ts-node' to run your app.`))
+})
+
+test('Should not accumulate plugin if doesn\'t comply to matchFilter', async (t) => {
+  const app = Fastify()
+  app.register(autoload, {
+    dir: path.join(__dirname, 'routes')
+  })
+
+  await app.ready()
+
+  const res = await app.inject({
+    url: '/'
+  })
+
+  t.equal(res.statusCode, 200)
+
+  const app2 = Fastify()
+  app2.register(autoload, {
+    dir: path.join(__dirname, 'routes'),
+    matchFilter: /invalid/
+  })
+
+  await app2.ready()
+
+  const res2 = await app2.inject({
+    url: '/'
+  })
+
+  t.equal(res2.statusCode, 404)
+})
+
+test('Should be able to filter paths using a string', async (t) => {
+  const app = Fastify()
+  app.register(autoload, {
+    dir: path.join(__dirname, 'routes'),
+    matchFilter: 'routes.js'
+  })
+
+  await app.ready()
+
+  const res = await app.inject({
+    url: '/'
+  })
+
+  t.equal(res.statusCode, 200)
+
+  const app2 = Fastify()
+  app2.register(autoload, {
+    dir: path.join(__dirname, 'routes'),
+    matchFilter: 'invalid-path'
+  })
+
+  await app2.ready()
+
+  const res2 = await app2.inject({
+    url: '/'
+  })
+
+  t.equal(res2.statusCode, 404)
+})
+
+test('Should be able to filter paths using a function', async (t) => {
+  const app = Fastify()
+  app.register(autoload, {
+    dir: path.join(__dirname, 'routes'),
+    matchFilter: (path) => path.includes('routes.js')
+  })
+
+  await app.ready()
+
+  const res = await app.inject({
+    url: '/'
+  })
+
+  t.equal(res.statusCode, 200)
+
+  const app2 = Fastify()
+  app2.register(autoload, {
+    dir: path.join(__dirname, 'routes'),
+    matchFilter: (path) => path.includes('invalid-path')
+  })
+
+  await app2.ready()
+
+  const res2 = await app2.inject({
+    url: '/'
+  })
+
+  t.equal(res2.statusCode, 404)
+})
+
+test('Should not accumulate plugin if ignoreFilter is matched', async (t) => {
+  const app = Fastify()
+  app.register(autoload, {
+    dir: path.join(__dirname, 'routes'),
+    ignoreFilter: /\/not-exists.js/
+  })
+
+  await app.ready()
+
+  const res = await app.inject({
+    url: '/'
+  })
+
+  t.equal(res.statusCode, 200)
+
+  const app2 = Fastify()
+  app2.register(autoload, {
+    dir: path.join(__dirname, 'routes'),
+    ignoreFilter: /\/routes.js/,
+    autoHooks: true
+  })
+
+  await app2.ready()
+
+  const res2 = await app2.inject({
+    url: '/'
+  })
+
+  t.equal(res2.statusCode, 404)
+})
+
+test('Should not set skip-override if hook plugin is not a function or async function', async (t) => {
+  const app = Fastify()
+  app.register(autoload, {
+    dir: path.join(__dirname, 'routes'),
+    autoHooks: true,
+    cascadeHooks: true
+  })
+
+  app.decorateRequest('hooked', '')
+
+  await app.ready()
+
+  const res = await app.inject({
+    url: '/child'
+  })
+
+  t.equal(res.statusCode, 200)
+  t.same(JSON.parse(res.payload), { hooked: ['root', 'child'] })
+
+  const res2 = await app.inject({
+    url: '/promisified'
+  })
+
+  t.equal(res2.statusCode, 200)
+  t.same(JSON.parse(res2.payload), { hooked: ['root'] })
+})
+
+test('Should not enrich non-SyntaxError', async (t) => {
+  const app = Fastify()
+  app.register(autoload, {
+    dir: path.join(__dirname, 'non-SyntaxError'),
+    autoHooks: true
+  })
+
+  t.rejects(app.ready(), new ReferenceError('x is not defined'))
+})