Response body inspection in Postman - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is response body inspection in API testing?

Response body inspection is the process of checking the data returned by an API after a request to ensure it matches expected results.

beginner

How can you view the response body in Postman?

After sending a request in Postman, the response body appears in the lower panel under the Body tab, where you can see the returned data in formats like JSON, XML, or HTML.

beginner

Why is it important to check the response body in API testing?

Checking the response body ensures the API returns correct, complete, and expected data, which helps catch errors and verify functionality.

intermediate

What Postman feature helps automate response body validation?

Postman uses tests written in JavaScript to automatically check if the response body contains expected values or structure.

intermediate

Give an example of a simple Postman test to check if response body contains a key 'status' with value 'success'.

pm.test('Status is success', () => { pm.expect(pm.response.json().status).to.eql('success'); });

Where do you find the response body in Postman after sending a request?

A In the Console tab

B In the Headers tab

C In the Body tab of the response section

D In the Authorization tab

The response body is shown in the Body tab of the response section in Postman.

What is the main purpose of inspecting the response body in API testing?

A To measure response time

B To check if the API returns expected data

C To check the API request headers

D To validate the API URL

Inspecting the response body helps verify that the API returns the correct and expected data.

Which language is used to write tests for response body validation in Postman?

A JavaScript

B Python

C Java

D Ruby

Postman uses JavaScript to write test scripts for validating the response body.

What does this Postman test check? pm.test('Check', () => { pm.expect(pm.response.json().code).to.eql(200); });

A If the response JSON has a 'code' key with value 200

B If the response status code is 200

C If the request URL contains 'code'

D If the response headers include 'code'

The test checks if the JSON response body has a key 'code' with the value 200.

Which format is commonly used for response bodies in APIs and easily inspected in Postman?

A EXE

B CSV

C TXT

D JSON

JSON is the most common format for API response bodies and is well supported in Postman.

Explain how you would inspect and validate the response body of an API using Postman.

Think about the Postman interface and test scripting.

Why is response body inspection crucial in API testing? Give examples of what you might check.

Consider the role of response data in confirming API behavior.