Golden Thorns: Lessons in Golden Master Testing from the Gilded Rose Kata

•

2 likes•226 views

The Gilded Rose Kata is a fairly well known kata that presents the developer with some legacy code and a request to implement a new feature. In one variation of the kata, Randy Coulman briefly covers the "golden master testing" strategy to provide safety while the developer refactors a messy legacy code base in order to add that new feature. This talk expounds on that testing strategy and offers some hypotheses regarding it's appropriate use.

Technology

Golden Thorns
Lessons in Golden Master Testing
From The Gilded Rose Kata

Paul Baker @paulbaker3
Husband, Father and Nerd
Hacking on stuff since 1999
Dev-ing for money since 2001
First Ruby gig in 2013
Currently at Capshare.com
WTF Is This Dude

Legacy code can really suck
Poorly designed
Bloated
Buggy
Untested or Naively tested
Arthritic Code

Arthritic Code
We’ve all been there...
or maybe you haven’t.

Right?
Not exactly
tests.all != tests.useful?
Adding useful unit tests can be
Hard
Expensive
Occasionally Impossible
We Can Only Go Up From Here

Not exactly
UnitTests == Dev::GoldStandard
Other testing strategies/ tools provide value
Nothing replaces the feedback you get from those . . . . .
From Therapy To Injury
http://blog.thecodewhisperer.com/permalink/integrated-tests-are-a-scam
But What About The Cost?
Problem Solved! Right….. ?

Golden Master/ Guru Checks Output
Just go with it man…
Assumption: Functions As Designed
Don’t CHANGE ANYTHING. But seriously… change everything
It’s really not that crazy… I promise
J. B. Rainsberger http://blog.thecodewhisperer.com/permalink/surviving-legacy-...
There’s A Gem For That
Approvals https://github.com/kytrinyx/approvals
I Know! ANTI-PATTERN!

The Gilded Rose Kata
A legacy coding exercise
It’s kind of a thing
Created by Bobby Johnson in 2011
http://iamnotmyself.com/2011/02/13/refactor-this-the-gilded-rose-kata/
Ported to Ruby by Jim Weirich https://github.com/jimweirich/gilded_rose_kata
Commented on by Sandi Metz http://confreaks.tv/videos/railsconf2014-all-the-little-things
and Randy Coulman http://confreaks.tv/videos/railsconf2015-getting-a-handle-on-legacy-code
amongst others…
First Some Background

Is this just a terrible idea?
Are there ways to do this cheaper?
A Few Questions To Consider

“All that glitters is not gold”
Boy Scout the F*** Out of Your Code
Let me know if you give this a try @paulbaker3
Some Parting Thoughts

Randy Coulman
http://confreaks.tv/videos/railsconf2015-getting-a-handle-on-legacy-code
http://randycoulman.com//blog/2014/09/30/refactoring-legacy-code/
Lauren Voswinkel @laurenvoswinkel
Jim Weirich https://github.com/jimweirich/gilded_rose_kata
Sandi Metz http://confreaks.tv/videos/railsconf2014-all-the-little-things
Ryan Davis, Steven Books, and the rest of the Capshare Dev Team
Working Effectively with Legacy Code by Michael Feathers
Other blog posts
http://blog.codeclimate.com/blog/2014/02/20/gold-master-testing/
http://blog.thecodewhisperer.com/permalink/surviving-legacy-code-with-golden-master-and-sampling/
http://iamnotmyself.com/2011/02/13/refactor-this-the-gilded-rose-kata/
Sources, Thanks & Inspiration

Recently uploaded

Tech Trends Report 2024 Future Today Institute.pdf

hans926745

2024: Domino Containers - The Next Step. News from the Domino Container commu...

Martijn de Jong

What are drone anti-jamming systems? The drone anti-jamming systems and anti-spoof technology protect against interference, jamming, and spoofing of the UAVs. To protect their security, countries are beginning to research drone anti-jamming systems, also known as drone strike weapons. The anti-jam and anti-spoof technology protects against interference, jamming and spoofing. A drone strike weapon is a drone attack weapon that can attack and destroy enemy drones. So what is so unique about this amazing system?

What Are The Drone Anti-jamming Systems Technology?

Antenna Manufacturer Coco

Automating Google Workspace (GWS) & more with Apps Script

wesley chun

Data Cloud, More than a CDP by Matt Robison

Anna Loughnan Colquhoun

Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024

The Digital Insurer

AWS Community Day CPH - Three problems of Terraform

Andrey Devyatkin

This presentations targets students or working professionals. You may know Google for search, YouTube, Android, Chrome, and Gmail, but did you know Google has many developer tools, platforms & APIs? This comprehensive yet still high-level overview outlines the most impactful tools for where to run your code, store & analyze your data. It will also inspire you as to what's possible. This talk is 50 minutes in length.

Powerful Google developer tools for immediate impact! (2023-24 C)

wesley chun

Finology Group – Insurtech Innovation Award 2024

The Digital Insurer

This presentation explores the impact of HTML injection attacks on web applications, detailing how attackers exploit vulnerabilities to inject malicious code into web pages. Learn about the potential consequences of such attacks and discover effective mitigation strategies to protect your web applications from HTML injection vulnerabilities. for more information visit https://bostoninstituteofanalytics.org/category/cyber-security-ethical-hacking/

HTML Injection Attacks: Impact and Mitigation Strategies

Boston Institute of Analytics

What is a good lead in your organisation? Which leads are priority? What happens to leads? When sales and marketing give different answers to these questions, or perhaps aren't sure of the answers at all, frustrations build and opportunities are left on the table. Join us for an illuminating session with Cian McLoughlin, HubSpot Principal Customer Success Manager, as we look at that crucial piece of the customer journey in which leads are transferred from marketing to sales.

04-2024-HHUG-Sales-and-Marketing-Alignment.pptx

HampshireHUG

With more memory available, system performance of three Dell devices increased, which can translate to a better user experience Conclusion When your system has plenty of RAM to meet your needs, you can efficiently access the applications and data you need to finish projects and to-do lists without sacrificing time and focus. Our test results show that with more memory available, three Dell PCs delivered better performance and took less time to complete the Procyon Office Productivity benchmark. These advantages translate to users being able to complete workflows more quickly and multitask more easily. Whether you need the mobility of the Latitude 5440, the creative capabilities of the Precision 3470, or the high performance of the OptiPlex Tower Plus 7010, configuring your system with more RAM can help keep processes running smoothly, enabling you to do more without compromising performance.

Boost PC performance: How more available memory can improve productivity

Principled Technologies

Partners Life - Insurer Innovation Award 2024

The Digital Insurer

ProductAnonymous-April2024-WinProductDiscovery-MelissaKlemke

Product Anonymous

The 7 Things I Know About Cyber Security After 25 Years | April 2024

Rafal Los

Developing An App To Navigate The Roads of Brazil

V3cube

Real Time Object Detection Using Open CV

Khem

[2024]Digital Global Overview Report 2024 Meltwater.pdf

hans926745

presentation ICT roal in 21st century education

jfdjdjcjdnsjd

Enterprise Knowledge’s Urmi Majumder, Principal Data Architecture Consultant, and Fernando Aguilar Islas, Senior Data Science Consultant, presented "Driving Behavioral Change for Information Management through Data-Driven Green Strategy" on March 27, 2024 at Enterprise Data World (EDW) in Orlando, Florida. In this presentation, Urmi and Fernando discussed a case study describing how the information management division in a large supply chain organization drove user behavior change through awareness of the carbon footprint of their duplicated and near-duplicated content, identified via advanced data analytics. Check out their presentation to gain valuable perspectives on utilizing data-driven strategies to influence positive behavioral shifts and support sustainability initiatives within your organization. In this session, participants gained answers to the following questions: - What is a Green Information Management (IM) Strategy, and why should you have one? - How can Artificial Intelligence (AI) and Machine Learning (ML) support your Green IM Strategy through content deduplication? - How can an organization use insights into their data to influence employee behavior for IM? - How can you reap additional benefits from content reduction that go beyond Green IM?

Driving Behavioral Change for Information Management through Data-Driven Gree...

Enterprise Knowledge

Recently uploaded (20)

Tech Trends Report 2024 Future Today Institute.pdf

2024: Domino Containers - The Next Step. News from the Domino Container commu...

What Are The Drone Anti-jamming Systems Technology?

Automating Google Workspace (GWS) & more with Apps Script

Data Cloud, More than a CDP by Matt Robison

Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024

AWS Community Day CPH - Three problems of Terraform

Powerful Google developer tools for immediate impact! (2023-24 C)

Finology Group – Insurtech Innovation Award 2024

HTML Injection Attacks: Impact and Mitigation Strategies

04-2024-HHUG-Sales-and-Marketing-Alignment.pptx

Boost PC performance: How more available memory can improve productivity

Partners Life - Insurer Innovation Award 2024

ProductAnonymous-April2024-WinProductDiscovery-MelissaKlemke

The 7 Things I Know About Cyber Security After 25 Years | April 2024

Developing An App To Navigate The Roads of Brazil

Real Time Object Detection Using Open CV

[2024]Digital Global Overview Report 2024 Meltwater.pdf

presentation ICT roal in 21st century education

Driving Behavioral Change for Information Management through Data-Driven Gree...

Featured

Content Methodology: A Best Practices Report (Webinar)

contently

How to Prepare For a Successful Job Search for 2024

Albert Qian

A report by thenetworkone and Kurio. The contributing experts and agencies are (in an alphabetical order): Sylwia Rytel, Social Media Supervisor, 180heartbeats + JUNG v MATT (PL), Sharlene Jenner, Vice President - Director of Engagement Strategy, Abelson Taylor (USA), Alex Casanovas, Digital Director, Atrevia (ES), Dora Beilin, Senior Social Strategist, Barrett Hoffher (USA), Min Seo, Campaign Director, Brand New Agency (KR), Deshé M. Gully, Associate Strategist, Day One Agency (USA), Francesca Trevisan, Strategist, Different (IT), Trevor Crossman, CX and Digital Transformation Director; Olivia Hussey, Strategic Planner; Simi Srinarula, Social Media Manager, The Hallway (AUS), James Hebbert, Managing Director, Hylink (CN / UK), Mundy Álvarez, Planning Director; Pedro Rojas, Social Media Manager; Pancho González, CCO, Inbrax (CH), Oana Oprea, Head of Digital Planning, Jam Session Agency (RO), Amy Bottrill, Social Account Director, Launch (UK), Gaby Arriaga, Founder, Leonardo1452 (MX), Shantesh S Row, Creative Director, Liwa (UAE), Rajesh Mehta, Chief Strategy Officer; Dhruv Gaur, Digital Planning Lead; Leonie Mergulhao, Account Supervisor - Social Media & PR, Medulla (IN), Aurelija Plioplytė, Head of Digital & Social, Not Perfect (LI), Daiana Khaidargaliyeva, Account Manager, Osaka Labs (UK / USA), Stefanie Söhnchen, Vice President Digital, PIABO Communications (DE), Elisabeth Winiartati, Managing Consultant, Head of Global Integrated Communications; Lydia Aprina, Account Manager, Integrated Marketing and Communications; Nita Prabowo, Account Manager, Integrated Marketing and Communications; Okhi, Web Developer, PNTR Group (ID), Kei Obusan, Insights Director; Daffi Ranandi, Insights Manager, Radarr (SG), Gautam Reghunath, Co-founder & CEO, Talented (IN), Donagh Humphreys, Head of Social and Digital Innovation, THINKHOUSE (IRE), Sarah Yim, Strategy Director, Zulu Alpha Kilo (CA).

Social Media Marketing Trends 2024 // The Global Indie Insights

Kurio // The Social Media Age(ncy)

The search marketing landscape is evolving rapidly with new technologies, and professionals, like you, rely on innovative paid search strategies to meet changing demands. It’s important that you’re ready to implement new strategies in 2024. Check this out and learn the top trends in paid search advertising that are expected to gain traction, so you can drive higher ROI more efficiently in 2024. You’ll learn: - The latest trends in AI and automation, and what this means for an evolving paid search ecosystem. - New developments in privacy and data regulation. - Emerging ad formats that are expected to make an impact next year. Watch Sreekant Lanka from iQuanti and Irina Klein from OneMain Financial as they dive into the future of paid search and explore the trends, strategies, and technologies that will shape the search marketing landscape. If you’re looking to assess your paid search strategy and design an industry-aligned plan for 2024, then this webinar is for you.

Trends In Paid Search: Navigating The Digital Landscape In 2024

Search Engine Journal

From their humble beginnings in 1984, TED has grown into the world’s most powerful amplifier for speakers and thought-leaders to share their ideas. They have over 2,400 filmed talks (not including the 30,000+ TEDx videos) freely available online, and have hosted over 17,500 events around the world. With over one billion views in a year, it’s no wonder that so many speakers are looking to TED for ideas on how to share their message more effectively. The article “5 Public-Speaking Tips TED Gives Its Speakers”, by Carmine Gallo for Forbes, gives speakers five practical ways to connect with their audience, and effectively share their ideas on stage. Whether you are gearing up to get on a TED stage yourself, or just want to master the skills that so many of their speakers possess, these tips and quotes from Chris Anderson, the TED Talks Curator, will encourage you to make the most impactful impression on your audience. See the full article and more summaries like this on SpeakerHub here: https://speakerhub.com/blog/5-presentation-tips-ted-gives-its-speakers See the original article on Forbes here: http://www.forbes.com/forbes/welcome/?toURL=http://www.forbes.com/sites/carminegallo/2016/05/06/5-public-speaking-tips-ted-gives-its-speakers/&refURL=&referrer=#5c07a8221d9b

5 Public speaking tips from TED - Visualized summary

SpeakerHub

Everyone is in agreement that ChatGPT (and other generative AI tools) will shape the future of work. Yet there is little consensus on exactly how, when, and to what extent this technology will change our world. Businesses that extract maximum value from ChatGPT will use it as a collaborative tool for everything from brainstorming to technical maintenance. For individuals, now is the time to pinpoint the skills the future professional will need to thrive in the AI age. Check out this presentation to understand what ChatGPT is, how it will shape the future of work, and how you can prepare to take advantage.

ChatGPT and the Future of Work - Clark Boyd

Clark Boyd

Getting into the tech field. what next

Tessa Mero

Google's Just Not That Into You: Understanding Core Updates & Search Intent

Lily Ray

How to have difficult conversations

Rajiv Jayarajah, MAppComm, ACC

Introduction to Data Science

Christy Abraham Joy

Time Management & Productivity - Best Practices

Vit Horky

The six step guide to practical project management If you think managing projects is too difficult, think again. We’ve stripped back project management processes to the basics – to make it quicker and easier, without sacrificing the vital ingredients for success. “If you’re looking for some real-world guidance, then The Six Step Guide to Practical Project Management will help.” Dr Andrew Makar, Tactical Project Management

The six step guide to practical project management

MindGenius

Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...

RachelPearson36

During this webinar, Anand Bagmar demonstrates how AI tools such as ChatGPT can be applied to various stages of the software development life cycle (SDLC) using an eCommerce application case study. Find the on-demand recording and more info at https://applitools.info/b59 Key takeaways: • Learn how to use ChatGPT to add AI power to your testing and test automation • Understand the limitations of the technology and where human expertise is crucial • Gain insight into different AI-based tools • Adopt AI-based tools to stay relevant and optimize work for developers and testers * ChatGPT and OpenAI belong to OpenAI, L.L.C.

Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...

Applitools

12 Ways to Increase Your Influence at Work

GetSmarter

ChatGPT webinar slides

Alireza Esmikhani

More than Just Lines on a Map: Best Practices for U.S Bike Routes

Project for Public Spaces & National Center for Biking and Walking

Has your project been caught in a storm of deadlines, clashing requirements, and the need to change course halfway through? If yes, then check out how the administration team navigated through all of this, relocating 160 people from 3 countries and opening 2 offices during the most turbulent time in the last 20 years. Belka Games’ Chief Administrative Officer, Katerina Rudko, will share universal approaches and life hacks that can help your project survive unstable periods when there seem to be too many tasks and a lack of time and people.

Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...

DevGAMM Conference

Barbie - Brand Strategy Presentation

Erica Santiago

According to the latest State of the American Manager report from Gallup, employees who have regular meetings with their managers are almost three times as likely to be engaged as those who don’t. These regular check-ins keep managers and employees in sync and aligned. Want to see better manager/employee relationships in your organisation? Then make an all-in commitment to 1:1 meetings. Not sure how? You’ve come to the right place. In this webinar with Jamie Resker, Founder and Practice Leader for Employee Performance Solutions (EPS), and Teala Wilson, Talent Management Consultant at Saba Software, you’ll get the inside track on how to hold effective 1:1 meetings, including tips for getting managers on board. • Go beyond discussing the status of everyday work to higher level topics, including recognition, performance, development, and career aspirations • Learn how to decide meeting frequency, what to cover, as well as roles and responsibilities of the manager and employee • Understand how managers can build trust and make it comfortable for employees to provide upward feedback • Unite your organisation with a unified approach to 1:1 meetings Join us for this 1-hour webinar to get practical tips for building better manager-employee relationships with intention and purpose. About the Speakers Jamie Resker - Founder and Practice Leader for Employee Performance Solutions (EPS) Jamie Resker, Practice Leader and Founder of Employee Performance Solutions, is a recognized innovator in performance management. She is the originator of the-the Performance Continuum Feedback Method® and Conversations to Optimize Employee Performance training program; tools and training that reshape communications between managers and employees to drive and align performance. Jamie is on the faculty for the Northeast Human Resources Association, is a contributor to Halogen Software's Talent Space Blog, and is an editorial advisory board member for HR Examiner. Teala Wilson - Senior Consultant, Strategic Services, Saba Software Teala is a Talent Management Consultant at Halogen Software, now a part of Saba Software. She has worked with teams on a national and global level supporting human resources in areas such as performance management, recruitment, employee benefit programs, training and talent development, workforce planning and internal communications. Teala also has a personal passion for visual arts and design. Want to learn more? Join us for an upcoming Product Tour! http://bit.ly/2yitfqu

Good Stuff Happens in 1:1 Meetings: Why you need them and how to do them well

Saba Software

Featured (20)

Content Methodology: A Best Practices Report (Webinar)

How to Prepare For a Successful Job Search for 2024

Social Media Marketing Trends 2024 // The Global Indie Insights

Trends In Paid Search: Navigating The Digital Landscape In 2024

5 Public speaking tips from TED - Visualized summary

ChatGPT and the Future of Work - Clark Boyd

Getting into the tech field. what next

Google's Just Not That Into You: Understanding Core Updates & Search Intent

How to have difficult conversations

Introduction to Data Science

Time Management & Productivity - Best Practices

The six step guide to practical project management

Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...

Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...

12 Ways to Increase Your Influence at Work

ChatGPT webinar slides

More than Just Lines on a Map: Best Practices for U.S Bike Routes

Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...

Barbie - Brand Strategy Presentation

Good Stuff Happens in 1:1 Meetings: Why you need them and how to do them well

Golden Thorns: Lessons in Golden Master Testing from the Gilded Rose Kata

1. Golden Thorns Lessons in Golden Master Testing From The Gilded Rose Kata

2. Paul Baker @paulbaker3 Husband, Father and Nerd Hacking on stuff since 1999 Dev-ing for money since 2001 First Ruby gig in 2013 Currently at Capshare.com WTF Is This Dude

3. Legacy code can really suck Poorly designed Bloated Buggy Untested or Naively tested Arthritic Code

4. Arthritic Code We’ve all been there... or maybe you haven’t.

5. Right? Not exactly tests.all != tests.useful? Adding useful unit tests can be Hard Expensive Occasionally Impossible We Can Only Go Up From Here

6. require ‘test_meow’

7. Not exactly UnitTests == Dev::GoldStandard Other testing strategies/ tools provide value Nothing replaces the feedback you get from those . . . . . From Therapy To Injury http://blog.thecodewhisperer.com/permalink/integrated-tests-are-a-scam But What About The Cost? Problem Solved! Right….. ?

9. Golden Master/ Guru Checks Output Just go with it man… Assumption: Functions As Designed Don’t CHANGE ANYTHING. But seriously… change everything It’s really not that crazy… I promise J. B. Rainsberger http://blog.thecodewhisperer.com/permalink/surviving-legacy-... There’s A Gem For That Approvals https://github.com/kytrinyx/approvals I Know! ANTI-PATTERN!

10. The Gilded Rose Kata A legacy coding exercise It’s kind of a thing Created by Bobby Johnson in 2011 http://iamnotmyself.com/2011/02/13/refactor-this-the-gilded-rose-kata/ Ported to Ruby by Jim Weirich https://github.com/jimweirich/gilded_rose_kata Commented on by Sandi Metz http://confreaks.tv/videos/railsconf2014-all-the-little-things and Randy Coulman http://confreaks.tv/videos/railsconf2015-getting-a-handle-on-legacy-code amongst others… First Some Background

11. To The Editor!

12. Reading > Googling

13. Is this just a terrible idea? Are there ways to do this cheaper? A Few Questions To Consider

14. “All that glitters is not gold” Boy Scout the F*** Out of Your Code Let me know if you give this a try @paulbaker3 Some Parting Thoughts

15. Thank You!

16. Randy Coulman http://confreaks.tv/videos/railsconf2015-getting-a-handle-on-legacy-code http://randycoulman.com//blog/2014/09/30/refactoring-legacy-code/ Lauren Voswinkel @laurenvoswinkel Jim Weirich https://github.com/jimweirich/gilded_rose_kata Sandi Metz http://confreaks.tv/videos/railsconf2014-all-the-little-things Ryan Davis, Steven Books, and the rest of the Capshare Dev Team Working Effectively with Legacy Code by Michael Feathers Other blog posts http://blog.codeclimate.com/blog/2014/02/20/gold-master-testing/ http://blog.thecodewhisperer.com/permalink/surviving-legacy-code-with-golden-master-and-sampling/ http://iamnotmyself.com/2011/02/13/refactor-this-the-gilded-rose-kata/ Sources, Thanks & Inspiration

Golden Thorns: Lessons in Golden Master Testing from the Gilded Rose Kata

Recommended

Recommended

More Related Content

Recently uploaded

Recently uploaded (20)

Featured

Featured (20)

Golden Thorns: Lessons in Golden Master Testing from the Gilded Rose Kata