Testing pagination in Postman - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is pagination in API testing?

Pagination is a technique to divide large sets of data into smaller chunks or pages, making it easier to retrieve and display data step-by-step.

beginner

Why do we test pagination in APIs?

We test pagination to ensure that the API correctly returns the right number of items per page, handles page navigation properly, and does not skip or repeat data.

intermediate

In Postman, how can you test the number of items returned per page?

You can write a test script using JavaScript in the Tests tab to check the length of the response array matches the expected page size.

beginner

What is a common parameter used for pagination in APIs?

Common parameters include 'page' (which page number to fetch) and 'limit' or 'pageSize' (how many items per page).

intermediate

How do you verify that pagination does not skip or repeat items?

By requesting multiple pages in sequence and checking that the combined data matches the full dataset without duplicates or missing items.

Which parameter typically controls the page number in API pagination?

A page

B limit

C sort

D filter

The 'page' parameter specifies which page of data to retrieve.

In Postman, where do you write scripts to test pagination responses?

A Tests tab

B Pre-request Script tab

C Body tab

D Headers tab

The Tests tab is used to write JavaScript code to validate responses.

What should you check to ensure pagination is working correctly?

A Response time only

B Only the first page data

C Number of items per page and correct page navigation

D Headers only

Testing pagination involves checking the number of items per page and that pages navigate correctly.

If an API returns 10 items per page, how many items should you get after requesting pages 1 and 2?

A 10

B 20

C 5

D Depends on the API

Two pages with 10 items each should return 20 items total.

Which test ensures no data is skipped or repeated across pages?

A Performance test

B UI test

C Security test

D Data integrity test

Data integrity tests verify that pagination returns all data without duplicates or missing items.

Explain how you would test pagination using Postman.

Think about parameters, requests, and validation scripts.

Why is testing pagination important in API testing?

Consider the impact on data retrieval and display.