Keploy Blog Website
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13 Best IDEs for Python developers in 2025 (Updated)
Python remains one of the most loved programming languages in 2025, used everywhere from web development to machine learning and AI. But to get the most out of Python, you need the right IDE (Integrated Development Environment). The IDE you choose can make a big difference in productivity, debugging efficiency, and code quality. Some developers…
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Mastering Node.js Backend Testing with Mocha and Chai
Mocha is a Node.js test framework that provides structure – test grouping, individual test cases, and lifecycle hooks with native async support. Chai pairs with it as the assertion library, offering multiple assertion styles to verify results. Together they cover test organisation and result verification cleanly. This guide walks through setup, the AAA pattern, async…
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Benchmark Testing in Software: The Key to Optimizing Performance
Every software application undergoes rigorous functional and non-functional testing to meet business requirements. When we talk about delivering top-tier software, performance is key. How fast does it run? How stable is it under pressure? Can it scale with growing demand? Does it remain reliable when pushed to its limits? These questions are at the core…
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Migration Guide: From RestAssured to Keploy
If you’re tired of writing endless lines of repetitive code in RestAssured just to test your APIs, you’re not alone. API testing shouldn’t feel like pulling teeth, but let’s face it—REST Assured can make the process boring and unnecessarily time-consuming. But what if you could leave that grind behind? In this guide, we’ll show you…
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What is Contract testing: A knowledge guide
Let’s Take an e-commerce platform, where there are different services for user authentication, product catalog, and order processing. These services communicate through APIs. For example, the order processing service needs to get product details from the catalogue service. Contract testing ensures that the agreement between these services—specifying what data the order service expects from the…
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Top 5 Tools for Performance Testing: Boost Your Application’s Speed
Performance testing is a major part of software testing and involves understanding how the software handles expected errors, which is integral to quality assurance. There are multiple free and open-source tools we can discuss in the blog, but let’s start with why we even need performance testing. What is Performance Testing? Performance testing evaluates how…
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Essential Free API Testing Tools Every Developer Should Know
API testing is an essential aspect of contemporary software development, ensuring that the interfaces between various components and systems function correctly. In this blog post, we will dive into some of the top free API testing tools that every developer should know about! From basic HTTP clients to comprehensive testing suites, these tools cover a…
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Introducing the Keploy OSS Fund
Keploy launches the OSS Fund to support open-source contributors building testing tools. Learn how to apply, what projects qualify, and the funding structure.
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All About Load Testing: A Detailed Guide
As businesses continue to digitize, the importance of load testing has surged, with the market witnessing a significant rise in the adoption of load testing tools. According to a recent report, the global load testing market is expected to grow at a CAGR of 12.5% from 2021 to 2026, reflecting the increasing demand for reliable…
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How to Switch from Jest to Vitest for Better Node.js Testing
and Vitest are two well-known JavaScript testing frameworks, each with its own strengths. Jest, created by Facebook, is especially popular for React applications. It provides a “zero-config” setup, built-in code coverage reporting, and snapshot testing, making it a complete solution for many JavaScript projects. Vitest, a newer framework in the Vite ecosystem, is known for…