Practicing TDD with

• Mocha,
• Chai,
• Sinon (Spy, Stub),
• nyc (Istanbul) (code coverage),
• unit testing and integration testing

getting started Resources

* https://sinonjs.org/releases/latest/spies/
* https://www.youtube.com/watch?v=lvjDDn9cpL4&list=PLgbtO1Bcz4C-vU0JLfDBsZGbSUdNX4mQ8&index=3
* https://adrianhall.github.io/web/2018/07/04/run-typescript-mocha-tests-in-vscode/

setup vsCode debugger for typescript

tsconfig.json

{
  "compilerOptions": {
      "target": "es5",
      "module": "commonjs",
      "sourceMap": true,
      "strict": true,
      "esModuleInterop": true,
      "skipLibCheck": true,
      "forceConsistentCasingInFileNames": true

.vscode/lunch.json

{
  "version": "0.2.0",
  "configurations": [
      {
          "type": "node",
          "request": "launch",
          "name": "Mocha Tests",
          "program": "${workspaceFolder}/node_modules/mocha/bin/_mocha",
          "args": [
              "--require", "ts-node/register",
              "-u", 
              "bdd",
              "--timeout", "999999",
              "--colors", "--recursive",
              "${workspaceFolder}/test/**/*.ts"
          ],
          "internalConsoleOptions": "openOnSessionStart"
      }
  ]
}

How to run

* Test -> `npm run test`
* Lint -> `npm run lint`
* Coverage -> `npm run coverage`
* build -> `npm run build`

Run mongoDB on docker

* in terminal, `sudo docker-compose up -d` 

Stop mongodb on docker

* `sudo docker ps`
* in terminal, `sudo docker stop CONTAINER_ID`