updated test

scripts/build-rss.js

@@ -2,7 +2,11 @@ const fs = require('fs')
 const json2xml = require('jgexml/json2xml')
 
 function getAllPosts() {
-  return require('../config/posts.json')
+  try {
+    return require('../config/posts.json');
+  } catch (err) {
+    throw new Error('Cannot find posts.json');
+  }
 }
 
 function clean(s) {
@@ -18,6 +22,7 @@ function clean(s) {
 module.exports = function rssFeed(type, title, desc, outputPath) {
   return new Promise((resolve, reject) => {
     try {
+
       const posts = getAllPosts()[`${type}`]
         .sort((i1, i2) => {
           const i1Date = new Date(i1.date)

tests/build-rss.test.js

@@ -125,20 +125,24 @@ describe('rssFeed', () => {
   });
 
   it('should throw an error when posts.json is not found', async () => {
-    jest.doMock('../config/posts.json', () => {
-      throw new Error('Cannot find module');
-    }, { virtual: true });
-
-    let error;
+    const postsJsonPath = path.join(__dirname, '..', 'config', 'posts.json');
+    const tempPath = path.join(__dirname, '..', 'config', 'posts.json.temp');
+
+    if (fs.existsSync(postsJsonPath)) {
+      fs.renameSync(postsJsonPath, tempPath);
+    }
+
     try {
       await rssFeed(type, title, desc, outputPath);
     } catch (err) {
-      error = err;
+      expect(err.message).toContain('Failed to generate RSS feed');
+      expect(err.message).toContain('Cannot find posts.json');
+    } finally {
+      if (fs.existsSync(tempPath)) {
+        fs.renameSync(tempPath, postsJsonPath);
+      }
     }
-
-    expect(error).toBeDefined();
-    expect(error.message).toContain('Failed to generate RSS feed');
-    expect(error.message).toContain('Cannot find module');
+
   });
 
   it('should throw an error when posts.json is malformed', async () => {