Jest Testing Promises

This is a small project I created on writing Jest unit tests for pure Promise based functions in JavaScript.

Contributions are welcome, however before submitting a Pull Request please begin with an issue or discussion to discuss what you have in mind.

How To Run the Tests

Online

• Head over to
• Click the Run button, wait for 15-30 seconds for the slow public server to do its thing
• Or, manually run the scripts listed below.

Locally

• Requirements: you'll need to have NodeJS and Git installed
• clone this repo to a folder on your local computer
• git clone https://github.com/subz390/listProcess.git
• install the dependencies, npm install yarn install
• and then you can run the scripts listed below

Scripts

• npm run test in the bash console to run the test and view its results in the console.
• npm run test:coverage to run the test and generate a coverage report.
• npm run serve to start serving the coverage report web pages. Ctrl+C to stop the server. Open http://localhost:3000 in your browser.
• npm run test+serve to do all the above.

For yarn, replace all the above npm with yarn.