Tag: unit-tests
Browse 11 practical software engineering resources tagged with "unit-tests". Discover code recipes, design patterns, documentation templates, and in-depth guides to help you build, deploy, and maintain production-ready solutions involving unit-tests. Each resource is written for engineers who ship real systems, with copy-paste examples and practical trade-offs.
Unit Testing
Unit tests verify the smallest pieces of code in isolation. They are the fastest feedback loop for developers and the foundation of a reliable test pyramid.
The resources below cover test frameworks, mocking, assertions, parameterized tests, test isolation, and TDD. Each recipe shows how to write unit tests that are deterministic, fast, and closely aligned with the behavior being tested.
Every resource includes clear explanations, copy-paste code, and practical warnings. Use them to make informed decisions, avoid production pitfalls, and speed up your delivery. If you are just getting started, read the beginner-friendly articles first; if you are experienced, jump straight to the advanced patterns and architecture guides. New resources are added regularly, so bookmark this page and check back for the latest patterns.
Load Testing APIs with k6 and Threshold-Based Assertions
How to write and run load tests with k6 to measure API performance, validate SLOs, and identify...
Test API Contracts with Consumer-Driven Contracts
How to prevent breaking changes between microservices using consumer-driven contract testing with...
API Mocking for Testing
Build reliable tests by mocking external APIs with WireMock, MockServer, and MSW to eliminate...
Write Integration Tests
How to test multiple components working together using real databases, HTTP clients, and message...
Design Effective Integration Tests for Reliable Systems
How to write integration tests that verify component interactions using test containers, API...
Snapshot Testing React Components with Jest
How to use Jest snapshot testing to catch unintended UI regressions in React components and prevent...
Perform Load Testing on APIs
How to simulate realistic traffic, measure response times, and identify bottlenecks using k6 and...
Unit Testing
How to write fast, deterministic unit tests with mocks and assertions in Python, JavaScript, and...
Write Unit Tests with Mocks and Stubs
How to isolate code under test using mock objects, stubs, and spies to replace external...
Test Pyramid: Balance Unit, Integration
How to structure a test suite using the test pyramid. Covers unit, integration, and E2E test...
Software Testing Strategy Guide
A practical guide to building a layered testing strategy with unit, integration, and end-to-end...