Advanced React Testing: Redux Saga and React Router

via Udemy

Go to Course: https://www.udemy.com/course/advanced-react-testing/

Introduction

Certainly! Here's a comprehensive review and recommendation for the Coursera course "Advanced React Testing: Redux Saga and React Router": --- **Course Review: Advanced React Testing: Redux Saga and React Router** If you're a React developer looking to elevate your testing skills beyond the basics, *Advanced React Testing: Redux Saga and React Router* on Coursera is an excellent choice. This course offers a focused deep dive into testing sophisticated React applications, specifically covering Redux Saga and React Router. **Overview & Strengths** This course stands out by providing practical, hands-on experience with testing real-world apps. The chosen app — a music venue ticketing platform with fake bands, randomized descriptions, and media — makes the learning process engaging and memorable. An important feature is that the app is pre-built, allowing you to concentrate purely on testing techniques without the overhead of app development. **Content & Methodology** - **Modular Approach:** The course allows you to select which technology to start with—Redux Saga or React Router—making it customizable to your needs. - **Redux Saga Testing:** You will learn how to test Redux Sagas using the `redux-saga-test-plan` library, including techniques for static and dynamic effect mocking with the `provide()` method. - **React Router Testing:** The course introduces a custom `render` method for Testing Library, enabling precise testing of routing behaviors, URL params, query params, and handling of auth-protected routes. - **Network Testing:** Mock Service Worker (MSW) is employed to simulate network calls, providing a realistic environment for testing fetch operations. - ** Jest Enhancements:** The course teaches the use of `test.each()` from Jest for parameterized testing, which enhances test coverage and efficiency. - **TypeScript:** All code is written in TypeScript, aligning with modern JavaScript development best practices and ensuring type safety. **Instructor Quality** The instructor brings extensive experience in teaching online courses since 2018, with a reputation for clear, structured, and engaging instruction. Her supportive teaching style and active Q&A sessions foster a positive learning environment. **Who Should Enroll?** - React developers ready to move from basic testing to advanced scenarios. - Developers working with Redux Saga and React Router who want to master testing complex behaviors. - Those interested in applying TypeScript within their testing workflows. - Learners who enjoy practical and real-world examples. **Recommendation** I highly recommend this course for intermediate to advanced React developers aiming to refine their testing skills. The combination of comprehensive content, practical app testing, and expert instruction makes it a valuable resource for enhancing your testing toolkit. **Final Verdict:** *Pros:* Hands-on, practical focus; modern technologies; flexible structure; clear instruction. *Cons:* No syllabus available upfront, which might be a minor inconvenience for some. In conclusion, *Advanced React Testing: Redux Saga and React Router* is a well-designed course that will significantly improve your ability to write robust, reliable tests for complex React applications. Whether you're enhancing existing skills or deepening your testing strategies, this course is a worthwhile investment. --- Would you like a summary or a shorter version of this review?

Overview

Are you a developer who's learned the basics of React testing and wants to move to the next level? This course dives deep into React testing for sophisticated apps. Test Redux Saga, React Router or BothThe Redux Saga and React Router sections of the course are completely separate. You can choose which technology to start with, and skip the sections for technologies that aren't relevant to your app.Test an Existing AppThe app for the course is already built, so you'll be testing an existing app that utilizes Redux Saga and React Router (with Auth-Protected Routes). For an added bit of fun, the app is for a music venue that sells tickets to shows for fake bands, complete with fake band names, plus randomized band descriptions and photos. redux-saga-test-planTest Redux Sagas with the redux-saga-test-plan library, a powerful module that allows flexible integration testing and precise unit testing. The course covers the `provide()` method for static and dynamic effect mocking. React RouterThe course creates a custom `render` method for Testing Library to write tests that can assert either on page behavior or the React Router `history` object. Tested routes include URL and query params, and the flow for auth-protected routes (including removing the sign-in page from the history). Mock Service Worker provides mocked data for network calls to the server. Jest's test.each()In both the Redux Saga sections and the React Router sections, the course teaches Jest's test.each() method for parametrizing tests (that is running the same test multiple times with different data). TypeScriptFollowing modern JavaScript best practices, all course code is typed via TypeScript. Proven InstructorThe instructor for this course has been writing courses for Udemy since 2018, and has a great track record of courses that are clear and easy to follow. She loves interacting with students via Q & A and has a calm, supportive teaching style.

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