Testing with Postman: Headers

Search for a command to run...

No comments yet. Be the first to comment.
In this series I will cover testing with postman and using it for automation.
In this blog we use setNextRequest to call to back to the same postman request. This allows us to reuse that request and change different variables for multiple test. Setting Up a Looping Test You can make a request loop back to itself and run again....
I have spent the last few weeks adding AI agents to my Playwright framework. Specifically Playwright's planner, generator, and healer, running locally through Claude Code. The Playwright agents explor

I decided to do a dump or a one stop shop for learning postman. You can go through my other post or just read this one. Testing Basics So to get started with postman you will need your API url and whether it is a GET, POST, PUT, DELETE or various oth...

Next is to setup a DevOps job you can go here to learn how to do that. For this section we will focus on the Execute shell and newman. With this I suggest going through Postman's official documentation found here. This takes your postman game and ups...

Schema is something you need to test to make sure when they need a string that it is indeed a string. If you google postman and schema checking you will also find a cool tool called tv4. Do not use this as it is out dated and no longer supported. Ple...

Another javascript library built into Postman is Lodash. #Looping Arrays with Lodash Sometimes you will want to iterate through an array. Maybe your response itself is an array. Luckily there is an easy for loop that can be used. This is use for wher...

Sometimes the only thing you need to test is a header. This is when a PDF or something else is returned. Below is how you can test a header.
Below are test you can run on headers. The great thing about this is it allows us to find out if a PDF was passed as that will be in the headers.
pm.test("Headers are correct", function () { pm.response.to.have.header("Content-Type", 'application/pdf'); pm.response.to.have.header("Content-Disposition"); pm.expect(postman.getResponseHeader("Content-Disposition")).to.contain('filename="application.pdf"', 'No application.pdf was passed.') })
Postman Quick Reference Guide Chai Assertion Library Regex Cheat Sheet Postman: The Complete Guide on Udemy