#POSTMAN TOOL HOW TO#

Since the double-brace syntax is not valid JavaScript, we use the pm.variables.get() function to access the id variable.įinally, let's save the changes as we've done before.

Pm.expect(pm.response.json().id).to.equal(pm.variables.get('id')) ) Let’s say I wanted to make a GET request.

It offers a sleek user interface with which to make HTML requests, without the hassle of writing a bunch of code just to test an API's functionality. Pm.expect(pm.response.json().name).to.equal('Transformers')) Postman is a great tool when trying to dissect RESTful APIs made by others or test ones you have made yourself. We will be discussing both methods in detail. You can install the application in two ways. Postman is available for Windows, Linux, and Mac as a standalone application.

#POSTMAN TOOL HOW TO#

We can use the id variable to do that: pm.test('success status', () => pm.response.to.be.success ) In this chapter, we will cover How to Download and Install Postman on Windows Machine. Secondly, we know which id to expect this time, so let's verify that id. Because the tests are similar, we can copy the tests from the POST request, then make a few changes.įirstly, we don't need to set the id variable again, so let's not copy that line. Since there's no body for a GET request, let's proceed directly to the Tests tab.

Variables, when appearing outside of scripts, are referenced using the double-brace syntax. Postman Collections Format, Data format that encapsulates Postman API requests. Thus, the GET request should retrieve the same instance that was created by the POST. Newman, Command-line tool for running and testing a Postman Collection. In this URL, we're referencing the id variable that we previously set during the POST request. There is no doubt that Postman is one of the most popular and essential tools for API development and testing, particularly for front-end web developers.

Postman tool