
Master the Jest framework for unit, integration, and API testing with live examples, custom and default matchers, mocks, and parallel test execution.
Discover how to test code with Jest using the expect function and matchers to compare actual values with expected results, including modifiers and extended utilities.
Explore how to use toHaveLength to test string and array lengths, and toHaveProperty to validate properties, including nested ones, in Jest unit tests.
Learn how to use Jest hooks to build a watch plugin that triggers test runs on file changes or key presses, with examples of defining prompts, keys, and actions.
Discover Jest cli options to run tests from the command line, explore the full list of commands in the official cli docs, and practice using different command-line options.
JEST has achieved remarkable popularity within the JavaScript ecosystem, standing out as a premier testing framework that developers turn to for various projects. Its rise in popularity can be attributed to several key factors:
Like it has a User-Friendly Setup, Jest offers a straightforward and painless setup process, reducing the barrier for entry and making it accessible to developers of all levels.
Jest comes bundled with essential testing tools, such as an assertion library (matchers), mocking capabilities, and a test runner. This comprehensive package saves developers time and effort by eliminating the need to piece together multiple libraries.
Jest's intuitive API and descriptive syntax make it easy for developers to write expressive and readable tests. This helps teams maintain code quality and collaboratively contribute to the testing suite.
By enrolling this course, you can learn all about JEST in one place , below are the topics cover in this course:
. Learn all about JEST Framework in Node Js and Visual Studio Code
. Learn how to setup JEST Framework and start working
. Learn Unit testing and API testing with Jest
. Learn all In-built and custom Matchers and Extend utilities
. Learn how to handle Asynchronous Code
. Learn how to create new Watch Plugin and how to work on hooks
. Learn about Setup and Tear Down hooks
. Learn how to use assertion count
. Learn about Mock Function
. Learn Jest CLI
. Learn about Jest Global Methods
. Learn Snapshot Testing
Thank You!