Testing Node App with Jest

Using Jest and Supertest to add unit and functional test to Node App.

Test	Api Demo Result

Useful npm scripts

Run the tests

There are two types of tests, the unit tests and the functional tests. These can be executed as follows.

• Run unit tests only

  $ npm run test:unit

• Run functional tests only

  $ npm run test:functional

• Run both unit and functional tests

  $ npm run test

Run the application

Run the application which will be listening on port 3000.

$ npm start

Useful docker comands

Run docker compose

There are two environments in Docker Compose. These can be executed as follows.

• Run development environment

  $ docker-compose -f docker-compose.dev.yml up --build

• Run production environment

  $ docker-compose -f docker-compose.yml up --build

• Run tests inside Docker container

  $ docker build -t node-docker --target test .

https://docs.microsoft.com/en-us/learn/modules/deploy-nodejs/ https://github.com/MicrosoftDocs/node-essentials