Learn how to test React app with Jest and Selenium.

Mastering Selenium

This module will teach us to properly test our React applications, starting from basic unit tests with Jest to automated integration tests using Selenium. We’ll learn everything from the ground up to the most advanced concepts, and gain confidence in shipping our software to customers.

Test React Applications with Jest and Selenium

Congratulations, you have completed the second module!
## Summary
In this module, we were introduced to testing and learned about its various types and significance.We learned and implemented unit and integrated testing and analyzed the difference between them. We also learned about mocking and its importance in unit tests. In the end, we also went through the matchers for Jest.
## What's next

Now that we know about testing and its basic working, let’s cover the Selenium WebDriver necessary to execute cross-browser tests.

Congratulations, you have completed the second module!
# Summary
In this module, we were introduced to testing and learned about its various types and significance.We learned and implemented unit and integrated testing and analyzed the difference between them. We also learned about mocking and its importance in unit tests. In the end, we also went through the matchers for Jest.
# What's next

Now that we know about testing and its basic working, let’s cover the Selenium WebDriver necessary to execute cross-browser tests.


Here's a quick summary of the second module.

Introduction

Introductory Quiz

Write Your First Tests

Basic Testing Exercises

More Tests

Mocking Modules in Unit Tests

Mocking Exercises

More on Integration Tests

Bonus: Custom Matchers

Conclusion

Final Remarks

Summary