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End-to-End Web Testing with Cypress

You're reading from   End-to-End Web Testing with Cypress Explore techniques for automated frontend web testing with Cypress and JavaScript

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Product type Paperback
Published in Jan 2021
Publisher Packt
ISBN-13 9781839213854
Length 240 pages
Edition 1st Edition
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Author (1):
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Waweru Mwaura Waweru Mwaura
Author Profile Icon Waweru Mwaura
Waweru Mwaura
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Table of Contents (17) Chapters Close

Preface 1. Section 1: Cypress as an End-to-End Testing Solution for Frontend Applications
2. Chapter 1: Installing and Setting Up Cypress FREE CHAPTER 3. Chapter 2: Differences between Selenium WebDriver and Cypress 4. Chapter 3: Working with Cypress Command-Line Tools 5. Chapter 4: Writing Your First Test 6. Chapter 5: Debugging Cypress Tests 7. Section 2: Automated Tests with the TDD Approach
8. Chapter 6: Writing Cypress Tests Using the TDD approach 9. Chapter 7: Understanding Element Interaction in Cypress 10. Chapter 8: Understanding Variables and Aliases in Cypress 11. Chapter 9: Advanced Uses of Cypress Test Runner 12. Section 3: Automated Testing for Your Web Application
13. Chapter 10: Exercise – Navigation and Network Requests 14. Chapter 11: Exercise – Stubbing and Spying XHR Requests 15. Chapter 12: Visual Testing in Cypress 16. Other Books You May Enjoy

Automated visual testing tools

Visual testing is an important part of Cypress as it is a transition from what we are familiar with, which is functional testing. With visual testing, Cypress presents a new world of opportunities regarding how we can test user interfaces without necessarily writing hundreds of lines of functional code to assert individual elements on a page.

In this section, we will dive into working with two automated visual testing tools by integrating them with Cypress, and then learn how we can achieve our goals of visually testing applications using them. One of these tools uses snapshots that record a baseline bitmap and compare the bitmap image pixels one after the other, checking for whether there are any discrepancies in the hex colors. The other tool uses AI algorithms to compare snapshots from our web application.

By the end of this section, we will have an idea of what tool to use, when and how Cypress plays a role in creating simple integrations of...

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