Starting unit testing (hard work)

package.json

@@ -6,7 +6,8 @@
   "scripts": {
     "start": "node index.js",
     "service": "node index.js --service",
-    "stop": "node index.js stop"
+    "stop": "node index.js stop",
+    "test": "mocha tests/*-spec.js"
   },
   "author": "Ju [kataku] / Skeptikon",
   "dependencies": {
@@ -18,5 +19,11 @@
     "lodash": "^4.17.15",
     "pm2": "^4.2.3",
     "rss-parser": "^3.7.5"
+  },
+  "devDependencies": {
+    "chai": "^4.2.0",
+    "mocha": "^8.2.1",
+    "proxyquire": "^2.1.3",
+    "sinon": "^9.2.2"
   }
 }

services/rss-youtube.js

@@ -88,4 +88,7 @@ function rssLoop(time) {
     // INIT
 console.log(` --- [RSS-Youtube] Load`)
 routage.log(`Load`)
-rssLoop(db.config.timeLoop*60*1000)
+// rssLoop(db.config.timeLoop*60*1000)
+module.exports = {
+  rssLoop
+};

tests/rss-youtube-spec.js

@@ -0,0 +1,59 @@
+const chai = require("chai");
+const sinon = require("sinon");
+const proxyquire = require("proxyquire");
+const Parser = require("rss-parser");
+
+const expect = chai.expect;
+
+describe("RSS Youtube", function () {
+  let rssYoutubeService;
+  let timecode;
+  let routage;
+  let parseUrlStub;
+  let mockedInput = {
+    items: [
+      {
+        id: "::account",
+        url:
+        isoDate: Date.now().toISOString(),
+        "media:group": {
+          "media:description": [
+            "my description"
+          ]
+        }
+    ]
+  };
+
+  beforeEach(function () {
+    timecode = {
+      "lastCheck": "2020-11-12T17:44:11.713Z",
+      "MyUser": "2020-11-12T17:44:11.713Z"
+    };
+    routage = {
+      log: sinon.stub(),
+      send: sinon.stub()
+    };
+
+    parseUrlStub = sinon.stub(Parser.prototype, "parseURL")
+      .callsFake((_, callback) => callback(null, "data"));
+
+    rssYoutubeService = proxyquire("../services/rss-youtube", {
+      "../modules/routage": () => routage,
+      "../db/rss-youtube.json": {
+        config: {
+          timeLoop: 5,
+          urlFeeds: "https://www.youtube.com/feeds/videos.xml?channel_id=",
+          sliceDescription: 142
+        },
+        feeds: {
+          MyUser: "Some channel"
+        },
+        timecode
+      }
+    });
+  });
+
+  afterEach(function () {
+    Parser.prototype.parseURL.reset();
+  });
+});