adamkatona/costip-api

costip-api

The following codes are example to demostrate API testing, including Load testing.

Prepare

1. Install NodeJS LTS or NodeJS Portable
2. Download this project (either clone or by ZIP)
3. Start example server (in the directory of the downloaded project)

   npm install
   npm start

API testing

For API testing, we are using Postman. The portable version of it can be downloaded here: postman-portable.

Prepare

1. Install Postman or Postman portable

Tasks

Based on the api-automation-webinar create API tests in Postman for JSON Placeholder.

N	Method	URL	Parameters	Expected
1	POST	/posts	Body: {"title": "Test post", "body": "This is a nice post", "userId": 1}	Code: 200; Response contains id
2	GET	/posts/{id}	Path: id is the ID of the previously added post	Code: 200; Response contains title, body, id and userId or previously added post
3	POST	/posts	Body: {"id": {id}, "title": "Test post", "body": "This is a nice post", "userId": 1} where id is the ID of the previously added post	Code: 500

Load testing

For Load testing, we are using NodeJS and the loadtest tool.

Prepare

1. Install loadtest package:

   npm install -g loadtest

Tasks

1. Start simple load test

   • on GET http://localhost:3456/load
   • with 10 concurrent users
   • with 10 requests per second
   • send 500 requests

   loadtest http://localhost:3456/load -c 10 --rps 10 -n 500

2. Start other load test

   • on GET http://localhost:3456/huge
   • with 10 concurrent users
   • with 10 requests per second
   • send 500 requests

   loadtest http://localhost:3456/huge -c 10 --rps 10 -n 500