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Agile Technical Practices Distilled

You're reading from Agile Technical Practices Distilled A learning journey in technical practices and principles of software design

Product type Paperback

Published in Jun 2019

Publisher

ISBN-13 9781838980849

Length 442 pages

Edition 1st Edition

Concepts

Agile

Authors (3):

Marco Consolaro

Alessandro Di Gioia

Pedro M. Santos

View More author details

Table of Contents (31) Chapters

Preface

1. Section 1

2. Chapter 1 FREE CHAPTER

3. Chapter 2

4. Chapter 3

5. Chapter 4

6. Chapter 5

7. Section 2

8. Chapter 6

9. Chapter 7

10. Chapter 8

11. Chapter 9

12. Chapter 10

13. Section 3

14. Chapter 11

15. Chapter 12

16. Chapter 13

17. Chapter 14

18. Chapter 15

19. Section 4

20. Chapter 16

21. Chapter 17

22. Chapter 18

23. Chapter 19

24. Chapter 20

25. Chapter 21

26. Chapter 22

27. Chapter 23

28. License: CyberDojo

29. Sample Solutions

30. Feedback

Feedback Please

Conclusions

It takes time to become proficient in writing tests for legacy code and we understand that sometimes it is a daunting task. In this lesson, we distilled what in our opinion are the most important concepts on legacy code testing. Spending some time practicing the techniques we have outlined is an extremely useful exercise and we hope that it might give you some ideas helping to make that work a bit less daunting.

Guideline Questions

Is it important to understand the legacy code in detail?

If the answer is yes, characterization tests are probably the best solution. This is a slow process but gives us the best insight on how legacy code works.

Can we get by with a superficial understanding of the legacy code?

If the answer is yes and the system under test has clear inputs and outputs, we can probably use the Golden Master technique or Approval Tests.

We added a few web resources and books that go much deeper into this subject.

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Authors (3)

Santos

Santos

Maximiliano Santos works as an architect for IBM Cloud Garage So Paulo. He has developed complex software architectures for the banking, real estate, insurance, chemical, and consumer goods industries. He currently works as a Cloud Garage architect. Max has designed solutions using IBM Watson's cognitive services, an Internet of Things (IoT) platform, as well as machine learning and mobile applications.

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Di Gioia

Di Gioia

Alessandro Di Gioia has helped a variety of companies (from small startups to large enterprises for the past 18 years) embrace agile technical practices. He has worked in Italy and Norway. For the past few years, he has resided in London. His professional life changed when he came across agile methodologies, especially Extreme Programming. He likes concise, expressive, and readable code as well as making existing solutions better when needed. He is always trying to learn better ways of designing asynchronous distributed architectures and crafting software, in either an object-oriented or functional style. Although Alessandro considers himself a forever learner, he is also a coach and a mentor because he loves to share his experiences with others. Follow Alessandro on Twitter at @Parajao.

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Consolaro

Consolaro

Marco Consolaro is a software craftsman, systems thinker, agile technical coach, entrepreneur, philosopher, and restless traveler all blended with Venetian humor. Marco learned to code in Basic on a Commodore when he was 9 years old. He graduated from Venice University in 2001 with a degree in Computer Science. Since then, Marco has worked in Italy and the UK and is always looking to learn something new. When his journey led him to the agile principles, he quickly realized the effectiveness of such an approach for both technical and organizational areas. He now strongly believes that an iterative approach based on trust, transparency, self-organization, and quick feedback loops is the key to success for any team in any discipline. His dream is to see these principles based on systems thinking understood and implemented at every level in businesses and public administrations. Follow Marco on Twitter at @consolondon.

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