Run and Test NodeJS App on Local Machine

sudo apt update
sudo apt install nodejs npm

git clone https://gitlab.com/sidd-harth/solar-system
cd solar-system

npm install

"nyc": {
  "check-coverage": true,
  "lines": 90,
  "reporter": ["text", "json-summary"]
}

// app.js
const express = require("express");
const bodyParser = require("body-parser");
const path = require("path");
const cors = require("cors");
const mongoose = require("mongoose");

const app = express();
app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, "/")));
app.use(cors());

mongoose.connect(process.env.MONGO_URI, {
  user: process.env.MONGO_USERNAME,
  pass: process.env.MONGO_PASSWORD,
  useNewUrlParser: true,
  useUnifiedTopology: true
}, err => {
  if (err) {
    console.error("MongoDB connection error:", err);
  } else {
    console.log("MongoDB connected");
  }
});

// Define Mongoose schemas & API routes here...

module.exports = app;

// app-test.js
const server = require("./app");
const chai = require("chai");
const chaiHttp = require("chai-http");

chai.should();
chai.use(chaiHttp);

describe("Planets API Suite", () => {
  describe("GET /planets/:id", () => {
    it("fetches a planet named Mercury", done => {
      chai
        .request(server)
        .get("/planets/1")
        .end((err, res) => {
          res.should.have.status(200);
          res.body.name.should.equal("Mercury");
          done();
        });
    });

    // Add more test cases as needed...
  });
});

// client.js
console.log("Initializing client.js");

window.onload = () => {
  console.log("Fetching all planets...");
  fetch("/planets")
    .then(res => {
      if (!res.ok) throw new Error("Network response was not ok");
      return res.json();
    })
    .then(data => console.log(data))
    .catch(err => console.error(err));
};

FROM node:18-alpine3.17
WORKDIR /usr/app
COPY package*.json ./
RUN npm install
COPY . .
ENV MONGO_URI=uriPlaceholder
ENV MONGO_USERNAME=usernamePlaceholder
ENV MONGO_PASSWORD=passwordPlaceholder
EXPOSE 3000
CMD ["npm", "start"]

apiVersion: v1
kind: Service
metadata:
  name: solar-system
  namespace: {_NAMESPACE_}
  labels:
    app: solar-system
spec:
  type: NodePort
  selector:
    app: solar-system
  ports:
    - protocol: TCP
      port: 3000
      targetPort: 3000

npm test

MongooseError: The `uri` parameter to `openUri()` must be a string, got `undefined`.

mongoose.connect("mongodb+srv://supercluster.d83jj.mongodb.net/superData", {
  user: "superuser",
  pass: "SuperPassword",
  useNewUrlParser: true,
  useUnifiedTopology: true
}, err => {
  if (err) console.error("error!!", err);
});

npm test
echo $?

Server successfully running on port - 3000
0

npm run coverage
echo $?

ERROR: Coverage for lines (88.88%) does not meet global threshold (90%)
| File   | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s |
|--------|---------|----------|---------|---------|-------------------|
| All    | 88.88   | 50       | 87.5    | 88.88   | 21,47-48,56       |

npm start