enrinal/go-factory-pattern-employee-problem

Go Factory Pattern - Employee Use Case

This is a simple example of the factory pattern in Go. The factory pattern is a creational pattern that provides an interface for creating objects in a super class, but allows subclasses to alter the type of objects that will be created.

This course is part of the Kampus Merdeka program, a collaboration between the Ministry of Education and Culture of the Republic of Indonesia and Ruangguru.

Details

• Language: Go
• Testing Framework: Ginkgo
• Difficulty: Beginner
• Estimated Time: 30 minutes
• Source: Factory Pattern - Refactoring Guru

Problem Statement

Part 1

• You are tasked to create a simple employee management system.
• The system should be able to create employees of different types, such as Manager, Staff, and Intern.
• Each employee type should have a different salary and name.
• Create a factory pattern to create employees of different types.
• Create unit tests for the factory pattern.

Part 2

• Enhance the employee management system to include a Bonus for each employee type.
• The Bonus should be calculated based on the employee's salary.
• The bonus calculation should be as follows:
  • Manager: 20% of the salary
  • Staff: 10% of the salary
  • Intern: no bonus (return 0)
• Create unit tests for the bonus calculation.

Part 3

• Create a new employee type called Director.
• The Director should have a salary of 5000.
• The Director should have a bonus of 30% of the salary.
• Create unit tests for the Director employee type.

Learning Objectives

• Understand the factory pattern in Go.
• Implement the factory pattern in Go.
• Write unit tests for the factory pattern in Go.
• Enhance the factory pattern with additional functionality.
• Write unit tests for the enhanced factory pattern.
• Understand the benefits of using the factory pattern.