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LocalStack: Simulate AWS S3, Lambda, DynamoDB Locally — Completely Free

By admin April 18, 2026

LocalStack lets you emulate AWS S3, Lambda, and DynamoDB locally using Docker, no real AWS account needed. This guide covers setup, a comparison with alternative approaches, and pytest integration for running integration tests completely offline.

Development

Writing Unit Tests for Python Applications with Pytest: A Basic to Practical Guide

By admin March 22, 2026

Pytest is a powerful framework for writing unit tests for Python applications. This article provides detailed instructions on how to install and configure test cases, from basic to advanced concepts like fixtures, parameterization, and mocking. You'll also learn how to run tests and measure code coverage to ensure code quality.