Serverless Testing With Node, Jest Examples

This repository illustrates some strategies to test apps built using Serverless framework.

Setup

• Install Node > 8 (latest runtime supported by AWS Lambda)

• Install serverless (tested against serverless v1.28.0)

$ npm i -g serverless 

• Install node modules

$ npm i 

• Initialize env variables file

$ touch env.yml 

• Run tests

$ npm test

Jest

Used @globalSetup and @globalTearDown to run and stop serverless offline application

Running locally

• Start serverless offline

$ sls offline

• Send an http request with httpie

$ http :3000/example

HTTP/1.1 200 OK
Connection: keep-alive
Date: Mon, 16 Jul 2018 12:20:24 GMT
Transfer-Encoding: chunked
access-control-allow-credentials: true
access-control-allow-origin: *
cache-control: no-cache
content-encoding: gzip
content-type: application/json; charset=utf-8
vary: origin,accept-encoding

{
    "result": "Go Serverless v1.0! Your function executed successfully!"
}

Contributions

If you would like to contribute to this repo and share some interesting test scenarios/usages with the serverless community, please feel free to open a PR !

You can reach me on Twitter: @mbilalsha You can reach me on LinkedIn: @bilalshahch