Delve into front-end testing principles, learn best practices for writing enduring tests, and discover strategies for E2E testing and integration into CI pipelines. Gain actionable testing insights.

React Testing 101 Component, Integration, and End-to-end Testing_1.png

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jest

jest_describe

jest_onlytest

skiptest

aftereach

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foo2

opening

first_test

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final_job

foo_final

This course will provide you with important information, principles, and experience-based advice, to enter the world of testing methodologies. 

Here, you will learn the best practices to follow to write useful and lasting tests, how to test different user flows without a working back-end, how to write effective end-to-end tests (E2E), and how to integrate tests into development and Continuous Integration pipelines.

At the end of the course, you will be able to apply the fundamental principles of the test methodologies to understand what and how to test effectively.

Front-end Testing 101: Integration and End-to-end Testing

## `data-testid`
The following is a deterministic event test:



# `data-testid`
The following is a deterministic event test:



Learn how to use data-testid in this lesson.


Introduction

E2E Testing

The First E2E Test

Polishing the E2E test

Ajax Requests

Custom Commands

UI Integration Tests

Other Best Practices

Bonus Section

Conclusion

Appendix

Dom Elements Selection: data-testid

`data-testid`