Unit Testing Courses and Certifications

Isolating Dependencies using JUnit and Mockito

Master the essentials of test doubles in software testing, from dummies to mocks, and learn how to isolate units, control behavior, and build reliable tests using JUnit and Mockito.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Securing Your Symfony App

Secure your Symfony ToDo app with bcrypt, JWT tokens, and comprehensive testing strategies including unit tests with mocks and component tests.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Red-Green-Refactor: Mastering TDD with Ruby & RSpec

Master the Red-Green-Refactor TDD workflow with Ruby and RSpec through practical coding challenges, building a shopping cart application while developing essential test-driven development skills.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Isolating Dependencies with Test Doubles in Ruby & RSpec

Explore test doubles in Ruby & RSpec - learn to use dummies, stubs, spies, mocks, and fakes to isolate dependencies and build faster, more reliable tests for better development practices.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Foundations of TDD in C++ & Google Test: The Principles

Master Test-Driven Development fundamentals in C++ using Google Test framework. Build practical skills through Red-Green-Refactor workflow, dependency injection, and SOLID principles.

• CodeSignal
• 4 hours
• On-Demand
• Free Certificate

Red-Green-Refactor: Practicing TDD with C++ & Google Test

Master TDD fundamentals through hands-on practice with C++ and Google Test, building discount calculators and shopping cart modules using the Red-Green-Refactor workflow.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Foundations of TDD in Go and Testify: The Principles

Master TDD fundamentals in Go using Testify framework through Red-Green-Refactor workflow, SOLID principles, dependency injection, and AAA pattern for improved code quality.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Red-Green-Refactor: Practicing TDD with Go & Testify

Master the Red-Green-Refactor TDD workflow through hands-on practice building discount calculators and shopping carts in Go with Testify framework.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Isolating Dependencies with Test Doubles with Go & Testify

Master test doubles in Go using dummies, stubs, mocks, and fakes to isolate dependencies, control behavior, and build reliable, maintainable tests with Testify framework.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Securing and Testing Your Ruby on Rails MVC App

Master secure authentication implementation and testing practices in Rails, covering bcrypt password hashing, RSpec unit testing, and integration testing for ToDo applications.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Increasing Code Test Coverage in C++

Discover refactoring techniques, characterization tests, and mocking strategies to build robust, testable C++ systems with comprehensive test coverage.

• CodeSignal
• 3 hours
• On-Demand
• Free Certificate

Microcredential

Refactoring Techniques in C++

Master dependency breaking, characterization testing, and incremental refactoring to safely modernize challenging C++ codebases while maintaining functionality.

• CodeSignal
• 11 hours
• On-Demand
• Free Certificate
• 4 courses

Building a Short Story Generation Service With Flask

Discover how to build a Flask web service that transforms text prompts into engaging short stories using Anthropic's Claude API with comprehensive testing and error handling.

• CodeSignal
• 1 hour
• On-Demand
• Free Certificate

Building a Short Story Generation Service With Django

Discover how to build a web service that transforms text prompts into engaging short stories using Django and Anthropic's Claude API with comprehensive testing and error handling.

• CodeSignal
• 1 hour
• On-Demand
• Free Certificate

Microcredential

Test Driven Development in Ruby & RSpec

Master TDD with Ruby & RSpec through hands-on practice with mocking, stubbing, test doubles, and refactoring strategies for scalable, maintainable code.

• CodeSignal
• 13 hours
• On-Demand
• Free Certificate
• 4 courses