Testing using Postman

Prerequisite

  1. Download PostMan.

  2. To be able to apply the steps in this tutorial, you will need to have a running microservice, we recommend building one using j-framework, check , Creating Simple Java Microservice using j-framework .

Instructions

1.Open Postman then click on new. image::postman/postman-home-screen.png[Postman Home]

2.Click on HTTP request. image::postman/http-request.png[HTTP Request]

3.GET request without parameter. image::postman/http-page.png[NO Params]

a.Select "GET"
b.Enter URL (e.g."http://localhost:8080/app/example/hello")
c.Click on send

GET without Params

You should see something like this .

4.GET with parameter

a.Select "GET"
b.Enter url (e.g."http://localhost:8080/app/example/hello/yourName")
c.Click on send

get-with-parameter
Figure 1. http GET request with parameter

See the output in figure 5.

Make sure you use get "http://localhost:8080/app/example/hello/{name}".

5.Using json "POST"

a.Select "POST"
b.Enter url (e.g."http://localhost:8080/app/example/hello")

change-to-post
Figure 2. Using json "POST"

c.Select Body ⇒ raw ⇒ JSON

post-json
Figure 3. select JSON
post-john.png
Figure 4. example json string

d.Enter JSON string (e.g. {"name":"John", "age":30} )

e.Click on send

post-json-done
Figure 5. output json "post"

See the output in figure 9.