Example Unit Test in NestJS

Specification

• Nodejs: v18.6.0
• npm: 8.13.2
• mysql: 8.0.27

Use Case

• Members can borrow books with conditions
  • Members may not borrow more than 2 books
  • Borrowed books are not borrowed by other members
  • Member is currently not being penalized
• Member returns the book with conditions
  • The returned book is a book that the member has borrowed
  • If the book is returned after more than 7 days, the member will be subject to a penalty. Member with penalty cannot able to borrow the book for 3 days
• Check the book
  • Shows all existing books and quantities
  • Books that are being borrowed are not counted
• Member check
  • Shows all existing members
  • The number of books being borrowed by each member

Endpoint

• GET
  • ${HOST_NAME}/swagger
  • API Documentation
• GET
  • ${HOST_NAME}/members
  • to fetch all members
• GET
  • ${HOST_NAME}/members/:code
  • to fetch member with spcific member-code
• GET
  • ${HOST_NAME}/books
  • to fetch all books
• GET
  • ${HOST_NAME}/book/:code
  • to fetch book with spcific book-code
• GET
  • ${HOST_NAME}/members
  • to fetch all members
• GET
  • ${HOST_NAME}/members/:code
  • to fetch member with spcific member-code
• POST
  • ${HOST_NAME}/members/:memberCode/borrow/:bookCode
  • borrow a book operation
• POST
  • ${HOST_NAME}/members/:memberCode/return/:bookCode
  • return a book operation

Running

• install dependency

npm install

• running test

npm run test

• running app

npm run start