Marabesi @marabesi.bsky.social · 27/07/2026Software Metrics Machine speakerdeck.com/marabesi/sof... #speakerdeckspeakerdeck.comSoftware Metrics MachineSoftware Metrics Machine (SMM) is an open-source, local-first command-line tool and dashboard (https://www.npmjs.com/package/@smmachine/launcher) that c… 001
Marabesi @marabesi.bsky.social · 19/04/2026Uma introdução a Arquitetura limpa medium.com/p/uma-introd... #soudev #bolhadevmedium.comUma introdução a Arquitetura limpaParte I — Fundação 012
Marabesi @marabesi.bsky.social · 14/04/2026Check out the latest article in my newsletter: week 60 - Monorepos, LLMs for automated unit test generation and Object-oriented design www.linkedin.com/pulse/week-6...linkedin.comweek 60 - Monorepos, LLMs for automated unit test generation and Object-oriented designMonorepos: A Multivocal Literature Review Monorepos (Monolithic Repositories) are used by large companies, such as Google and Facebook, and by popular open-source projects, such as Babel and Ember. Th... 000
Reposted by Marabesicodesaidev.bsky.social @codesaidev.bsky.social · 14/04/2026Thanks to @emmanuelvalverde.dev and @marabesi.bsky.social for contributing to this post! ❤️ 032
Marabesi @marabesi.bsky.social · 13/04/2026A gentle introduction to TDD medium.com/p/a-gentle-i...medium.comA gentle introduction to TDDAccording to Kent Beck (Beck, 2002), TDD is a bit nebulous. TDD is an awareness of the gap between decision and feedback during the… 000
Marabesi @marabesi.bsky.social · 11/04/2026for a long time I have been watching reactjs tests that violates the most simplest rule of encapsulation: mocking the context. I could finally give it a name after reading codesai.com/posts/2025/0... Reactjs contexts are internals not peers. Treat them as such in your tests.codesai.com 000
Marabesi @marabesi.bsky.social · 11/04/2026Architectural Decision Records — A Guide to Better Software Decisions medium.com/p/architectu...medium.comArchitectural Decision Records — A Guide to Better Software DecisionsEarlier in my career, I realized that the way software was built in industry projects was often based on personal opinions and tastes. For… 110
Marabesi @marabesi.bsky.social · 10/04/2026AWS cloud practitioner notes, my path towards the CLF-C02 based on three pillars — official… awstip.com/aws-cloud-pr...awstip.comAWS cloud practitioner notes, my path towards the CLF-C02 based on three pillars — official…This post provides insights into preparing for the AWS Cloud Practitioner certification (CLF-C02), emphasizing key AWS concepts such as… 000
Marabesi @marabesi.bsky.social · 09/04/2026Principles and practices of Software design medium.com/p/software-d...medium.comPrinciples and practices of Software designSoftware design is the internal quality of the design of software and the properties that influence how maintainable, understandable, and… 000
Marabesi @marabesi.bsky.social · 08/04/20267 Common Mistakes When Adopting Feature Toggles That Developers Make medium.com/p/7-common-m...medium.com7 Common Mistakes When Adopting Feature Toggles That Developers MakeFeature toggles, also called feature flags, are a technique that allows teams to modify system behavior at runtime without deploying new… 000
Marabesi @marabesi.bsky.social · 07/04/2026see you in Santiago de Compostela #CISTI2026! We will be sharing the findings when #TDD is put into test against #testSmells Quality in software development has never been more important than now 🔥 020
Marabesi @marabesi.bsky.social · 28/03/2026I just published 7 Common Mistakes When Adopting Feature Toggles That Developers Make medium.com/p/7-common-m...medium.com7 Common Mistakes When Adopting Feature Toggles That Developers MakeFeature toggles, also called feature flags, are a technique that allows teams to modify system behavior at runtime without deploying new… 000
Marabesi @marabesi.bsky.social · 03/03/2026after 5+ years using CRA + craco, moving to vite reduced building time from ~10s to ~3s. I blogged about the process and the benefits so far: marabesi.com/2026/02/23/m... #bolhaDev #souDev #reactjs #vitemarabesi.comMigrating from Create React App + craco to Vite - A reported case studyIf you've been maintaining a React app bootstrapped with Create React App (CRA) and patching its locked webpack config with craco, you've probably felt the friction. Slow cold starts, cryptic dependen... 022
Marabesi @marabesi.bsky.social · 12/02/2026I just published Solitary tests and Sociable tests. Which one would you pick? medium.com/p/solitary-t...medium.comSolitary tests and Sociable tests. Which one would you pick?The different types of interactions between tests are a subject of discussion among practitioners. As the practice of TDD became popular… 000
Marabesi @marabesi.bsky.social · 02/02/2026Check out the latest article in my newsletter: week 58 - Evaluating LLMs for Automated Unit Test Maintenance, Specification-Driven Development and Test-Driven Code Generation with LLMs www.linkedin.com/pulse/week-5... via @linkedin.comlinkedin.comweek 58 - Evaluating LLMs for Automated Unit Test Maintenance, Specification-Driven Development and Test-Driven Code Generation with LLMsA Socio-Technical Grounded Theory on the Effect of Cognitive Dysfunctions in the Performance of Software Developers with ADHD and Autism The concept of neurodiversity, encompassing conditions such as ... 000
Marabesi @marabesi.bsky.social · 01/02/2026After ~5 years maintaining a small JSON formatter (~3,000 active users), I finally wrote down the lessons: – Large JSON + frozen UI = Web Workers – TDD becomes non-negotiable during refactors – Maintenance is the real work Post here: marabesi.com/thoughts/fiv...marabesi.comFive Years of json-tool and 3,000 Active Users LaterReflecting on five years of maintaining json-tool, a privacy-first JSON formatting tool that has reached 3,000 weekly active users. 000
Marabesi @marabesi.bsky.social · 20/01/2026I just published Trunk-based development — a report from experience medium.com/p/trunk-base...medium.comTrunk-based development — a report from experienceThe advent of Git revolutionized software development, paving the way for new methodologies to emerge. Among these is Gitflow, a… 000
Marabesi @marabesi.bsky.social · 14/01/2026I just published Hexagonal architecture — Another way to the hexagone medium.com/p/hexagonal-...medium.comHexagonal architecture — Another way to the hexagoneTheory 000
Marabesi @marabesi.bsky.social · 09/01/2026I just published Trunk-based development — a report from experience medium.com/p/trunk-base...medium.comTrunk-based development — a report from experienceThe advent of Git revolutionized software development, paving the way for new methodologies to emerge. Among these is Gitflow, a… 000
Marabesi @marabesi.bsky.social · 02/01/2026youtu.be/IhCSsIGQ7YQyoutu.beJSON tool - quick format json content with a click of a buttonYouTube video by Marabesi 000
Marabesi @marabesi.bsky.social · 29/12/2025I just published Git config — managing configuration for different repositories medium.com/p/git-config...medium.comGit config — managing configuration for different repositoriesRecently, I had to manage different git repositories from different users, and I found myself needing to switch between different git… 000
Marabesi @marabesi.bsky.social · 09/12/2025At the University of Salamanca is running a study on how teams adopt TDD in practice. I am looking for software teams who are: • experimenting with TDD, or • planning to adopt it You can express interest in this google form that we have prepared: forms.gle/DEpjmY3uYZzb... #softwareDev #bolhaDevforms.gle 012
Marabesi @marabesi.bsky.social · 06/12/2025this has been a fun side project to build: marabesi.github.io/software-met... it provides insight on your pipeline, pull requests and source code - it tries to offer a developer first approach with a CLI and a dashboard as a companion 📊: #soudev #bolhadev #analytics #devops 012
Reposted by MarabesiEmmanuel Valverde Ramos @emmanuelvalverde.dev · 21/10/2025This week I talk about the reflection I had with @islomar.bsky.social, @marabesi.bsky.social y Javier Lopez about E2E tests, and how some of us saw them. emmanuelvalverderamos.substack.com/p/rethinking...emmanuelvalverderamos.substack.comRethinking E2E: small, on-production smoke checks for critical flowsA few weeks ago, during one of our usual virtual coffees with Matheus Marabesi, Javier López, and Isidro López, two comments made me reframe what I call an E2E test. 074
Marabesi @marabesi.bsky.social · 24/08/2025it's been a few months that I started to build this plugin: marketplace.visualstudio.com/items?itemNa... if you are writing tests, for #javascript and #typescript ecosystem I would love to hear your feedback. You will find more info on the readme file: github.com/marabesi/sme... #bolhaDevmarketplace.visualstudio.comSmelly test - Visual Studio MarketplaceExtension for Visual Studio Code - Find out the smells in your tests, suggestions for correction and the theory behind them 022
Marabesi @marabesi.bsky.social · 21/07/2025Just blogged: marabesi.com/git/managing... #git #bolhadev #devmarabesi.comGitconfig managing configuration for different repositoriesA guide to managing git configurations for different repositories, including local settings, GPG signing, and SSH keys. 012
Reposted by MarabesiHackerNoon @hackernoon.com · 13/02/2025ReactJs patterns can be a source of mistakes when it comes to the structure of a components hierarchy. #reactjshackernoon.comHow to Retrofit Tests Into a ReactJS Codebases Without Tests 001
Marabesi @marabesi.bsky.social · 03/07/2025Struggling with unit testing boundaries? Manuel Rivero's got you covered: codesai.com/posts/2025/0.... It echoes Mario Cervera’s talk on behavioral testing – a key question: what constitutes a "unit"?codesai.comHeuristics to determine unit boundaries: object peer stereotypes, detecting effects and FIRS-nessSomos un equipo versado en Extreme Programming, ofrecemos desarrollo de software, formación, asesoramiento y apoyo en proyectos. 000
Marabesi @marabesi.bsky.social · 30/06/2025I’ve been exploring TDD + LLMs, and I’m excited to share my thoughts in this new blog post: marabesi.com/2025/06/22/a... LLMs are offering exciting new possibilities for generating test code, generating data for testing, and even understanding requirements. #TDD #AI #LLM #bolhaDev 022
Marabesi @marabesi.bsky.social · 25/06/2025Just blogged: marabesi.com/2025/06/22/a...marabesi.comAI and TDD - A match that can work?Exploring the integration of AI into Test-Driven Development (TDD) workflows, enhancing code quality. 000
Reposted by MarabesiEmmanuel Valverde Ramos @emmanuelvalverde.dev · 17/02/2025Working effectively with legacy code. From a manual testing, to automated testing using Golden master and characterization testing. From structural programming to OOP. From an awkward dependency to dependency inversion. 111
Reposted by MarabesiHackerNoon @hackernoon.com · 07/02/2025In this post, I’ll walk through my thought process for testing React components that rely on context, using Testing Library. #reacthackernoon.comThis React Testing Method Relies on Context to Imitate Real-life Scenarios 011
Marabesi @marabesi.bsky.social · 01/02/2025Reporting on the challenges on adopting DORA metrics from scratch for software development marabesi.com/2025/01/26/c... #dora #devops #software #metricsmarabesi.comThe Challenges in Adopting DORA MetricsLearn about the key obstacles and strategies for successfully implementing the DORA metrics in your project. 000
Marabesi @marabesi.bsky.social · 27/01/2025marabesi.com/2024/12/28/r... #bolhadev #reactjs #web #javascriptmarabesi.comRetrofitting Tests into Legacy ReactJS CodebasesLearn how to retrofit tests into legacy ReactJS codebases. This article explores strategies for enhancing testability, leveraging ReactJS context, and overcoming challenges in maintaining and refactor... 022
Marabesi @marabesi.bsky.social · 22/12/2024Check out the latest article in my newsletter: Special edition 2024 www.linkedin.com/pulse/specia... via @linkedin.comlinkedin.comSpecial edition 2024Last year, the special edition brought insights on the content that was shared through 2023. In this edition, we will delve into what has been shared in 2024. 000
Marabesi @marabesi.bsky.social · 14/12/2024Check out the latest article in my newsletter: week 52 - Test Code Refactoring Unveiled, An Improvement to TDD Efficiency and Large Language Models in Detecting Test Smells www.linkedin.com/pulse/week-5...linkedin.comweek 52 - Test Code Refactoring Unveiled, An Improvement to TDD Efficiency and Large Language Models in Detecting Test SmellsTest Code Refactoring Unveiled: Where and How Does It Affect Test Code Quality and Effectiveness? Refactoring has been widely investigated in the past in relation to production code quality, yet still... 010
Marabesi @marabesi.bsky.social · 08/12/2024which javascript/typescript project comes to mind in the open source? For me: reactjs, typescript for you? #webdev #bolhadev #js #javascript 042
Marabesi @marabesi.bsky.social · 04/12/2024I just drafted a blog post about testing reactjs context with a "kind of comparison" using fakes vs not using it and contrasting pros and cons: marabesi.com/2024/12/01/t... Suggestions, insights whatever are welcome #webdev #tdd #WebDevelopmentmarabesi.comTesting ReactJS Context - A Comprehensive Guide with test-doublesThis guide explores testing ReactJS context using React Testing Library and Vitest. Learn to set up tests, verify default context values, and simulate user interactions without test-doubles. Enhance y... 120
Marabesi @marabesi.bsky.social · 26/11/2024me trying to find experts for my research 🤣media.tenor.coma man in a suit is standing in front of a row of empty shelves in a storeALT: a man in a suit is standing in front of a row of empty shelves in a store 000
Reposted by MarabesiEmmanuel Valverde Ramos @emmanuelvalverde.dev · 20/11/2024Quote of the day. Thanks @marabesi.bsky.social 0111
Marabesi @marabesi.bsky.social · 14/09/2024Microsoft offers a straightforward way to renew the #Azure AZ-204 via #Microsoft Learn! Simply navigate to the certification page and take the exam—it's free and only takes about 45 minutes marabesi.com/azure/204/7-...marabesi.comLearnings from attempts trying to renew the AZ-204 certification from MicrosoftUnlock the key to maintaining your AZ-204 certification. In this post, we'll break down the renewal process step-by-step and share essential tips to ensure your skills stay sharp and up-to-date. Don’t... 200
Marabesi @marabesi.bsky.social · 13/09/2024last week I got interested in developing a CLI app for speedback session in nodejs (npmjs.com/package/spee...), took advantage of this and tried out #bashunit (bashunit.typeddevs.com) and I pretty much enjoyed the experience. Nice docs and enjoyable api 🎉npmjs.comnpm: speedback-sessionAuto generates speedback pairs for your team. Latest version: 0.0.6, last published: 6 hours ago. Start using speedback-session in your project by running `npm i speedback-session`. There are no other... 000
Marabesi @marabesi.bsky.social · 02/09/2024Curious about renewing your Azure #AZ204 certification? In my latest post with Codurance, I break down the process and what you can expect. Check it out here: codurance.com/publications... #Azure #Certification #TechCareers #cloudcodurance.comLearnings from renewing Microsoft AZ-204 certificationConclusions and lessons learned from several attempts to renew Microsoft's AZ-204 certification. Hands-on experience with azure services. 000
Marabesi @marabesi.bsky.social · 26/05/2024Week 01 - TDD, Micro-front ends and The mythical man-month www.linkedin.com/pulse/week-0...linkedin.comWeek 01 - TDD, Micro-front ends and The mythical man-monthAn Experimental Evaluation of ITL, TDD and BDD Agile development embodies a distancing from traditional approaches, allowing an iterative development that easily adapts and proposes solutions to chang... 000
Marabesi @marabesi.bsky.social · 18/05/2024week 39 - The Social Dynamics of Pair Programming, Benefits of Code Inspection with Test-Driven Development and Effect of SOLID Design www.linkedin.com/pulse/week-3...linkedin.comweek 39 - The Social Dynamics of Pair Programming, Benefits of Code Inspection with Test-Driven Development and Effect of SOLID DesignThe Social Dynamics of Pair Programming This paper presents data from a four month ethnographic study of professional pair programmers from two software development teams. Contrary to the current conc... 000
Marabesi @marabesi.bsky.social · 14/05/2024Test pyramid, test trophy and diamond, which shape is your test suite? marabesi.com/tests/1-what...marabesi.comWhat is testing? - A brief introduction to software testingYou can't build great software without testing it thoroughly. Testing is a crucial step in the development process, with different teams using various approaches and types of tests. This blog post div... 000
Marabesi @marabesi.bsky.social · 13/05/2024For some time I have been collecting resources and different point of view about the practice of #TDD. Sometimes it comes from academia, sometimes from the industry and both add thing to the mix: marabesi.com/tdd/a-gentle...marabesi.comA gentle introduction to TDDTDD is a three-stage process (Red, Green, Refactor) that improves code quality, collaboration, and development. It reduces the gap between decision and feedback during programming. Check out a YouTube... 000
Marabesi @marabesi.bsky.social · 04/05/2024More than 10h of curated videos about #agile software development , ranging from scaling, to technical practices (#noEstimates included) www.youtube.com/watch?v=2ajN...youtube.comAgility at Scale: A Meeting of Mindsets • Anna Urbaniak & Daniel Terhorst-North • GOTO 2021This presentation was recorded at GOTOpia Chicago 2021. #GOTOcon #GOTOpiahttp://gotochgo.comAnna Urbaniak - Agile coach and consultant managing organizationa... 000
Marabesi @marabesi.bsky.social · 01/05/2024Last year with Codurance we published a collaborative post about trunk-based development (www.codurance.com/publications...) and after a few months, the content is still relevant as it touches different aspects of the practice despite of resistance of teams adopting itcodurance.comTrunk-Based Development: the ins and outsDiscover the necessary practices to effectively implement Trunk Based Development in your team and explore the most commonly faced challenges when doing so 010
Reposted by MarabesiMark A. Hanson @hansonmark.bsky.social · 27/04/2024#OpenAccess fees have given >$5b USD 💸 since 2015 to for-profit publishers. A very low est. given the non-serious "conservative" 500k for #MDPI, who easily received >$300m revenue in 2023 alone. Non-profit funders should just host their own journals at this point. 🫠 #SciPub #AcademicSkydirect.mit.eduAre open access fees a good use of tax payers money?Abstract. Butler et al. (2023) reported that five large commercial publishers (Elsevier, Sage, Springer-Nature, Taylor & Francis and Wiley) received $1.06 billion in publication fees between 2015 and ... 175
