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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

Understanding Cypress variables

This section will focus on what variables are in Cypress, how they are used in tests, and their roles in tests, especially in the reduction of test complexity. We will also explore different areas where we can use Cypress variables to add readability to our tests. By the end of this section, you will be able to write tests using variables and also understand where variables should be used when writing your tests.

To better understand how variables in Cypress work, it is important to understand how Cypress executes its commands. The following code block is a test that first selects a button and then selects an input element, then later clicks the button:

it('carries out asynchronous events', () => {
   const button = cy.get('#submit-button');
   const username = cy.get('#username-input');
   button.click()
});

The preceding code block illustrates a test that should...

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