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Back-end Engineering

Foundations of TDD in Kotlin with JUnit: The Principles

This course introduces Test-Driven Development (TDD) for Kotlin projects, covering the Red-Green-Refactor workflow, TDD mindset, and setup with JUnit. Learn best practices like SOLID principles and dependency injection, and explore TDD's impact on code quality and speed compared to traditional approaches.

JUnit

Kotlin

See path

6 lessons

27 practices

4 hours

Programming, Algorithms, and Data Structures

Lessons and practices

Lesson 1: Introduction to TDD with Kotlin and JUnit

Writing a Failing Test for TDD in Kotlin

Implement the Minimal Sum Function

Refactoring for Improved Readability and Maintainability in TDD

Lesson 2: Introduction to Generalization in TDD with Kotlin

Write a Failing Test for the Sum Method in TDD

Transition to the Green Phase in TDD

Refactor Unit Tests to Use Parameterized Tests with JUnit

Lesson 3: Introduction to TDD in Kotlin with Practical Examples

Write a Failing Test for Shopping Cart Calculation

Calculate Total Cost in Shopping Cart

Creating a Failing Test for Shopping Cart Total Calculation

Implement the Minimal CalculateTotal Method

Refactoring Cart Implementation in Kotlin

Crafting Test Cases for Cart Total Calculation

Calculate the Total Cost in Shopping Cart

Refactor Using Kotlin's sumOf Method

Lesson 4: Introduction to Testing Environment Setup with Kotlin

Refactor and Explore JUnit Testing Environment

Writing JUnit Test Cases for User Class in Kotlin

Refactor UserTest to Use @BeforeEach for User Instance Creation

Group and Nest Email Related Tests

Testing Invalid Email Exception Handling

Email Validation Parameterized Testing in Kotlin

Lesson 5: Introduction to Managing Dependencies in TDD with Kotlin

Testing Dependency Injection with UserManager in the Red Phase

Implementing UserManager Class Methods

Refactoring UserManager Test for Clarity

Creating a Logging Feature with Test-Driven Development in Kotlin

Implement Logging Behavior in UserManager's addUser Method

Refactoring UserManager for Clarity and Maintainability

Lesson 6: Introduction to the AAA Pattern in Kotlin TDD

Refactor Test Suite Using the AAA Pattern

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