Book Image

Angular Cookbook

By : Muhammad Ahsan Ayaz
Book Image

Angular Cookbook

By: Muhammad Ahsan Ayaz

Overview of this book

The Angular framework, powered by Google, is the framework of choice for many web development projects built across varying scales. It’s known to provide much-needed stability and a rich tooling ecosystem for building production-ready web and mobile apps. This recipe-based guide enables you to learn Angular concepts in depth using a step-by-step approach. You’ll explore a wide range of recipes across key tasks in web development that will help you build high-performance apps. The book starts by taking you through core Angular concepts such as Angular components, directives, and services to get you ready for building frontend web apps. You’ll develop web components with Angular and go on to cover advanced concepts such as dynamic components loading and state management with NgRx for achieving real-time performance. Later chapters will focus on recipes for effectively testing your Angular apps to make them fail-safe, before progressing to techniques for optimizing your app’s performance. Finally, you’ll create Progressive Web Apps (PWA) with Angular to provide an intuitive experience for users. By the end of this Angular book, you’ll be able to create full-fledged, professional-looking Angular apps and have the skills you need for frontend development, which are crucial for an enterprise Angular developer.
Table of Contents (15 chapters)

Chapter 11: E2E Tests in Angular with Cypress

An app having a couple of end-to-end (E2E) tests surely promises more reliability than an app having no tests at all, and in today's world, with emerging businesses and complex applications, it becomes essential at some point to have E2E tests written to capture the entire flow of an application. Cypress is one of the best tools out there today when it comes to E2E tests for web applications. In this chapter, you'll learn how to test your E2E flows in an Angular app with Cypress. Here are the recipes we're going to cover in this chapter:

  • Writing your first Cypress test
  • Validating if a Document Object Model (DOM) element is visible on the view
  • Testing form inputs and submission
  • Waiting for XMLHttpRequests (XHRs) to finish
  • Using Cypress bundled packages
  • Using Cypress fixtures to provide mock data