Testing and dependency injection

Outline

Objective

Understand The Event Loop
Different ways of managing concurrency in Javascript
Query and write to some database

Technologies used

Javascript
MongoDB
Jest

Design Patterns

Facade
Adapter

What we will do

We will write code that simulates the Javascript an event loop
We will Apply Basic CRUD to a Database
We will then apply various queries to get accustomed to thinking in parallel

Pre Session

Session