CI build and Unit Test

.github/workflows/nodejs.yml

@@ -0,0 +1,22 @@
+# This workflow will do a clean install of node dependencies and run tests on node version 8.x
+
+name: Affirmations CI
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: actions/setup-node@v1
+        with:
+          node-version: '8.x'
+      - name: Installing dependencies
+        run: npm
+      - name: Running tests
+        run: npm test
+        env:
+          CI: true

.gitignore

@@ -1,2 +1,3 @@
 node_modules/
+coverage/
 .DS_Store

affirmations.js

@@ -48,5 +48,4 @@ const affirmations = [
   "It's not a mistake, it's a learning opportunity",
 ];
 
-const getRandomAffirmation = () => affirmations[Math.floor(Math.random() * affirmations.length)];
-module.exports = getRandomAffirmation;
+module.exports = affirmations

index.js

@@ -1,18 +1,14 @@
-const http = require('http');
 const express = require('express');
-const getRandomAffirmation = require('./affirmations');
+const getRandomAffirmation = require('./random_affirmation');
 
 const app = express();
 
-let port = process.env.PORT;
-if (port == null || port == "") {
-  port = 3000;
-}
+let PORT = process.env.PORT || 3000;
 
 app.get('/', (req, res) => {
   res.json({affirmation: getRandomAffirmation()});
 });
 
-http.createServer(app).listen(port, () => {
-  console.log(`express server listening on port ${port}`);
-});
+const server = app.listen(PORT, () => console.log(`Server is live at localhost:${PORT}`));
+
+module.exports = server;