Integration testing - user registration system

The task is to add tests to registration functionality.

How to get the project

To solve the task, proceed as follows:

1. Fork this repository on to your account
2. Clone the forked repo to your computer using git clone URL
3. Run npm install to instal all needed packages
4. To run the project call node server.js to start the app
5. Application will be available at http://localhost:3000/
6. Write tests to finish app.test.js
7. Confirm all changes with test run: npm run test or npx jest
8. Commit your changes and make a pull request for the original repo on GitHub
   • Add coverage information
   • Add test run time information
9. Grade is awarded to students:
   • who made the pull request with finished tests and validation code

Jest documentation:

• https://jestjs.io/docs/expect
• https://jestjs.io/docs/mock-function-api

Business requirements

Username

• Username can be 6-30 characters long.
• Username can only contain letters, numbers, and periods.

Password

• Password has to be at least 8 characters long.
• Password should contain at least one lowercase and one uppercase letter.
• Password should contain at least one number.
• Password should not contain any special characters.