chore: fix tests

Author: ascorbic

helpers/getNextRoot.js

@@ -3,7 +3,7 @@ const path = require('path')
 
 const getNextRoot = ({ netlifyConfig }) => {
   let nextRoot = process.cwd()
-  if (!existsSync(path.join(nextRoot, 'next.config.js'))) {
+  if (!existsSync(path.join(nextRoot, 'next.config.js')) && netlifyConfig.build.publish) {
     nextRoot = path.dirname(netlifyConfig.build.publish)
   }
   return nextRoot

index.js

@@ -80,16 +80,17 @@ module.exports = {
     })
   },
 
-  async onPostBuild({ netlifyConfig, packageJson, constants: { FUNCTIONS_DIST }, utils }) {
+  async onPostBuild({ netlifyConfig, packageJson, constants: { FUNCTIONS_DIST = DEFAULT_FUNCTIONS_DIST }, utils }) {
     if (doesNotNeedPlugin({ netlifyConfig, packageJson, utils })) {
       return
     }
     const nextRoot = getNextRoot({ netlifyConfig })
 
     const nextConfig = await getNextConfig(utils.failBuild, nextRoot)
-    await saveCache({ cache: utils.cache, distDir: path.join(nextRoot, nextConfig.distDir) })
+    await saveCache({ cache: utils.cache, distDir: nextConfig.distDir })
     copyUnstableIncludedDirs({ nextConfig, functionsDist: path.resolve(FUNCTIONS_DIST) })
   },
 }
 
 const DEFAULT_FUNCTIONS_SRC = 'netlify/functions'
+const DEFAULT_FUNCTIONS_DIST = '.netlify/functions/'

src/index.js

@@ -75,7 +75,7 @@ const watch = (functionsPath, publishPath, nextRoot) => {
 const nextOnNetlify = async (options = {}) => {
   const functionsPath = normalize(options.functionsDir || NETLIFY_FUNCTIONS_PATH)
   const publishPath = normalize(options.publishDir || NETLIFY_PUBLISH_PATH)
-  const nextRoot = normalize(options.nextRoot) || process.cwd()
+  const nextRoot = normalize(options.nextRoot || process.cwd())
 
   if (options.watch) {
     watch(functionsPath, publishPath, nextRoot)

test/index.js

@@ -1,3 +1,4 @@
+const { readdirSync } = require('fs')
 const path = require('path')
 const process = require('process')
 
@@ -202,7 +203,7 @@ describe('onBuild()', () => {
     await moveNextDist()
     const PUBLISH_DIR = 'publish'
     await plugin.onBuild({
-      netlifyConfig,
+      netlifyConfig: { build: { publish: path.resolve(PUBLISH_DIR) } },
       packageJson: DUMMY_PACKAGE_JSON,
       constants: {
         PUBLISH_DIR,