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Mastering Angular Test-Driven Development

Mastering Angular Test-Driven Development

By : Ezéchiel Amen AGBLA
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Mastering Angular Test-Driven Development

Mastering Angular Test-Driven Development

4 (1)
By: Ezéchiel Amen AGBLA

Overview of this book

Do you want to learn how to build robust, reliable, and impressive Angular applications? If yes, then Angular test-driven development is for you! Mastering Angular Test-Driven Development is a comprehensive guide that provides you with essential resources to enhance your skills and deliver high-quality Angular applications. With a practical approach and real-world examples, the book extensively covers TDD concepts, techniques, and tools, going beyond unit testing to explore testing Angular pipes, forms, and reactive programming. In this book, you’ll learn how to validate and manipulate data using pipes, test Angular forms for input validation and user interactions, and handle asynchronous operations with reactive programming. Additionally, you’ll discover end-to-end testing using Protractor, Cypress, and Playwright frameworks, gaining valuable insights into writing robust tests for web applications, navigation, element interaction, and behavior validation. You’ll also understand how to integrate TDD with CI/CD, learning best practices for automating tests, deploying Angular applications, and achieving faster feedback loops. By the end of this book, you’ll be able to successfully implement TDD in your Angular projects with the help of practical examples, best practices, and clear explanations.
Table of Contents (18 chapters)
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1
Part 1: Getting Started with Test-Driven Development in Angular
4
Part 2: Writing Effective Unit Tests
8
Part 3: End-to-End Testing
12
Part 4: Continuous Integration and Continuous Deployment for Angular Applications

Writing your first unit tests in an Angular project

Unit testing is a critical aspect of Angular development that ensures code quality, reliability, and maintainability. TDD is a software development approach that emphasizes writing tests before implementing the actual code. In this section, you’ll learn how to write your first unit tests in an Angular project while following the principles of TDD. By leveraging the Jasmine testing framework and Angular’s testing utilities, developers can create effective and robust unit tests that verify the correctness of their code.

We’ll be using the project we created in Chapter 1 to practice. Follow these steps to write your first unit test:

  1. Create a new component called CalculatorComponent by running the following command:
    $ ng g m calculator --route calculator --module=app.module

    After creating the component with the preceding command line, a calculator.component.spec.ts file will be created in the src/ app/calculator...

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