#testing Development Tutorials & Tips | Roast Dev

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CI/CD guide: store Playwright test results in AWS S3

Intro Modern software development is deeply intertwined with software testing. Unit tests, integration tests, end-to-end tests — without them, we would spend much more time fixing trivial b...

05.05.2025 0 Read More

Jest - Solution for "Jest encountered an unexpected toke"

Pre-study Compiling Vs. TranspilingJest Code TransformationJest docs – transformIgnorePatterns Background When running unit tests using Jest, get the error as below ⛶Jest encounte...

05.05.2025 0 Read More

Jest - Mocking Next.js Image to handle dynamic properties in tests

Pre-study Next.js - Image ComponentImporting images used the 'import' keyword for the image 'src' breaks jest test #26749Jest - Manual MocksReact Testing LibraryMDN JavaScript - Rest paramete...

05.05.2025 0 Read More

Just deployed my first major project: a full-stack quiz app

Live site: https://quiz-app-cp2h.onrender.com GitHub: https://github.com/MaXiMo000/Quiz-AppI recently finished and deployed my first full-stack web app. It’s a quiz platform where users can take qui...

05.05.2025 0 Read More

Scale Microservices Testing Without Duplicating Environments

Read this article on Signadot.Traditional ephemeral microservices test environments create financial and operational complexity that sandbox-based environments can solve.I’ve been talking with engin...

05.05.2025 0 Read More

Level Up Your Testing Game with Jest Spies and Asymmetric Matchers

Over my long career as a software engineer, unit testing involving third-party APIS, such as database calls, etc., has always proven challenging. And let’s be honest, it’s pretty rare to write an ...

05.05.2025 0 Read More

API Testing Essentials: What Every QA Engineer Should Know

If your organization relies on software to deliver value, APIs are already at the epicenter of your digital infrastructure. They connect your systems, enabling you to scale through integration and aut...

05.05.2025 0 Read More

How I Got SonarCloud to Detect Test Coverage in a Spring Boot Project with JaCoCo

Recently, I ran into a pretty common problem while working on a Spring Boot project with SonarCloud: test coverage wasn't being reported correctly. Even though my tests were running fine, SonarCloud w...

05.05.2025 0 Read More

“It Looked Right…” Famous Last Words Without Tests

TL;DR: LLMs are great, but they’re not your safety net. Please, for the love of all things holy, test your code. We’re in the golden age of vibe coding. LLMs scaffold our code, fix our syntax, and...

05.05.2025 0 Read More

Building Efficient Test Data for Development Environments: Solving Verification Workflow Challenges

Introduction As developers, we all face the hidden challenge that rarely gets discussed in coding tutorials: generating and managing test user data at scale. This becomes particularly problem...

05.05.2025 0 Read More

CI/CD guide: store Playwright test results in AWS S3

Jest - Solution for "Jest encountered an unexpected toke"

Jest - Mocking Next.js Image to handle dynamic properties in tests

Just deployed my first major project: a full-stack quiz app

Scale Microservices Testing Without Duplicating Environments

Level Up Your Testing Game with Jest Spies and Asymmetric Matchers

API Testing Essentials: What Every QA Engineer Should Know

How I Got SonarCloud to Detect Test Coverage in a Spring Boot Project with JaCoCo

“It Looked Right…” Famous Last Words Without Tests

Building Efficient Test Data for Development Environments: Solving Verification Workflow Challenges

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