Book Image

End-to-End Web Testing with Cypress

By : Waweru Mwaura
1 (1)
Book Image

End-to-End Web Testing with Cypress

1 (1)
By: Waweru Mwaura

Overview of this book

Cypress is a modern test automation framework for web-based frontend apps. Learning Cypress will help you overcome the shortcomings of conventional testing solutions such as dependency graph problems, the steep learning curve in setting up end-to-end testing packages, and difficulties in writing explicit time waits for your tests. In End-to-End Web Testing with Cypress, you’ll learn how to use different Cypress tools, including time travel, snapshots, errors, and console output, to write fail-safe and non-flaky tests. You’ll discover techniques for performing test-driven development (TDD) with Cypress and write cross-browser tests for your web applications. As you advance, you’ll implement tests for a sample application and work with a variety of tools and features within the Cypress ecosystem. Finally, this Cypress book will help you grasp advanced testing concepts such as visual testing and networking. By the end of this book, you’ll have the skills you need to be able to set up Cypress for any web app and understand how to use it to its full potential.
Table of Contents (17 chapters)
1
Section 1: Cypress as an End-to-End Testing Solution for Frontend Applications
7
Section 2: Automated Tests with the TDD Approach
12
Section 3: Automated Testing for Your Web Application

Running Cypress tests

In this section, we will focus on how we can run Cypress tests on the browser. To do this, we will write test scripts that can run the tests similarly to opening Cypress scripts:

"scripts": {
"test:chrome": "cypress run –browser chrome",
"test:firefox": "cypress run –browser firefox" 
}

The preceding scripts will be used to run tests either in the Chrome browser or in the Firefox browser depending on what command the user runs on their command-line terminal. To execute the tests, you can either run npm run test:chrome to run the tests in Chrome or npm run test:firefox to execute the tests in Firefox. The first section of the command instructs Cypress to run the tests in headless mode, while the second section instructs Cypress which browser to run the tests in. Running Cypress tests is not limited to only Chrome and Firefox and can be extended to any browsers that Cypress supports, with the...