Introduction

In this chapter, users will be introduced to data-driven testing, the Selenium Page Object Model, and Don't Repeat Yourself (DRY) approaches to testing, all of which work hand-in-hand with each other, and are required for scalable frameworks. Let's briefly discuss each.

Data-driven testing

The premise of data-driven testing is that test methods and test data are separated to allow the adding of new test permutations without changing the test methods, to reduce the amount of code, reduce the amount of maintenance required for testing, and to store common libraries in a central location—those being the page object classes. Data is encapsulated in a central location such as a database, JSON, or CSV file...