Net Objectives

MARCH 8, 2019

“Refactoring” refers to the discipline of improving the design of existing code without changing its behavior. It is usually thought of as a way to deal with old legacy code that is functional but poorly designed and thus hard to work with.

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Net Objectives

MARCH 19, 2019

Design patterns in software came from the work of the Gang of Four in the mid-1990’s. Similarly, TDD was first promoted around the same time in history as part of eXtreme Programming.

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Net Objectives

APRIL 22, 2019

Part of the TDD process consists of writing failing tests before the code that will eventually make them pass. Test-first alone is not TDD per se, but it is a part of it. When tests are written before production code, this has several beneficial effects.

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Net Objectives

MARCH 1, 2019

The Open-Closed Principle (Bertrand Myers, Ivar Jacobsen) states, “Software entities (such as classes, modules, and functions) should be open for extension, but closed for modification.”

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Net Objectives

FEBRUARY 25, 2019

I mentioned earlier that TDD offers qualitative measurements about production code, namely that a large average fixture size can be used to measure relative coupling in a system. The Single Responsibility Principle states that every class in … Continue reading "TDD and the Single Responsibility Principle".

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Net Objectives

APRIL 19, 2019

One controversy in software development is the relative value of strong, static typing (as in compiled languages like Java) vs. dynamic typing (as seen in interpreted languages like JavaScript).

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Net Objectives

MAY 31, 2019

You know, without any doubt that if you press Button A then your code will suddenly have 90% code coverage. If you push Button B, you will have 80% code … Continue reading "TDD and the Magic Buttons". Here is a bit of a thought experiment, first suggested to me by Eran Pe’er.

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Net Objectives

MARCH 29, 2019

Exceptions in software represent a mechanism for raising an alarm when something goes wrong. When an exception is declared in … Continue reading "Specifying Exceptions in TDD". When an exception is declared in … Continue reading "Specifying Exceptions in TDD".

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Net Objectives

MAY 28, 2019

Software is quite often implemented in the context of reusable frameworks and other preexisting, valuable entities.

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Net Objectives

FEBRUARY 14, 2019

TDD tells us what we do not know. Imagine you are developing the software for a casino’s poker slot machine … Continue reading "TDD Tells Us What is not Known". You cannot meaningfully test that which you do not adequately understand. The time to find that out is before you start development.

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Net Objectives

JANUARY 10, 2019

With a name like TEST-driven development you’d expect TDD is mostly about testing. In our book Design Patterns Explained we discussed how testability (how easily code can be tested) is an intrinsic property of software and is highly correlated with good design. Especially when the end result is tests.

Software Review 40

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James Shore

MARCH 29, 2021

To share your thoughts, join the AoAD2 open review mailing list. We produce high-quality code in small, verifiable steps. At best, mistakes lead to code that won’t compile. No wonder, then, that software is buggy. Test-driven development, , or TDD, is a rapid cycle of testing, coding, and refactoring.

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Net Objectives

MARCH 15, 2019

When organizations adopt TDD as their development paradigm, early results can be quite good once the teams get over the initial learning curve. Code quality goes up, defect rate goes down, and the team gains confidence which allows them to be aggressive in pursuing business value.

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James Shore

MARCH 17, 2022

With TDD, you run the tests as often as one or two times every minute. If they don’t, you won’t be able to get feedback within 1-5 seconds, and that’s crucial for the TDD loop to work effectively. A narrow test is focused on a small amount of code. The more tests you have, the more important speed and reliability become.

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Honeycomb

JULY 26, 2022

You’ll be relieved to hear that you’re in the majority, and also that there are quick (and easy) steps you can do to prove that instrumenting your code is worthwhile. For most languages and frameworks, adding in basic auto-instrumentation is a few lines of code. Here’s a simple test using ODD and TDD together.

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Honeycomb

SEPTEMBER 20, 2023

Our industry is in the early days of an explosion in software using LLMs, as well as (separately, but relatedly) a revolution in how engineers write and run code, thanks to generative AI. In theory , all software is debuggable. There is a much longer list of things that make software less than 100% debuggable in practice.

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Gorilla Logic

MARCH 17, 2023

BDD emphasizes collaboration between developers, testers, and stakeholders to define and deliver software that meets business requirements. It enhances your existing Agile approach , synthesizing Test-Driven Development (TDD) and Acceptance Test-Driven Development (ATDD). For each team member, ask: Are they familiar with BDD or TDD?

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Apiumhub

OCTOBER 18, 2022

On October 3-4 we organized and hosted the Global Software Architecture Summit in Barcelona. This year the event was focused on Software Architecture Metrics as they are key to the maintainability and architectural quality of a software project. Attendees Profiles.

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Agile Engine

JUNE 19, 2024

According to Stripe , that’s exactly how much time dealing with technical debt takes an average software engineer. We’ll look at our recent client engagements and strategies that helped us maximize our clients’ value while tackling their code, architecture, and design debt. Can you imagine developers spending as much as 13.5

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Technical Review UI/UX Software Review Systems Review 52

Net Objectives

FEBRUARY 23, 2019

I remember getting into avid discussion on the XP user group about TDD. I could never remember what it stood for, often calling it test-driven design because I recognized that TDD helped people design their code when using … Continue reading "Understanding the Concept of Testability – A Worthwhile Remembrance".

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James Shore

APRIL 26, 2023

It’s about a novel way of testing code. Net Promoter Score: 60. Two people (20%) specifically called out the structure of the code as a positive, and two others liked the clear explanations. Six people (60%) did so: I recommend this workshop because it will give you very effective tools to improve how you build software.

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Course Testing Software Review Exercises 59

James Shore

APRIL 26, 2021

To share your thoughts, join the AoAD2 open review mailing list. It’s Not Just Coding. Computers don’t care what your code looks like. If the code compiles and runs, the computer is happy. Design is for humans: specifically, to allow programmers to easily understand and change the code. Collective Code Ownership.

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Apiumhub

OCTOBER 20, 2021

He got his software engineering degree in Valencia and his Master in Helsinki. First he decided to work as a software developer to better understand the industry and then once he identified key gaps in the software industry he decided to found his own company, focusing on software architecture and best practices.

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Net Objectives

JANUARY 23, 2019

In previous posts I discussed that the first leg of emergent design is TDD which provides code quality & sustainability. The second leg is design patterns which provide insights into handling variation. The third leg is ATDD which provides us a way of discovering and clarifying the value we’ll get.

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James Shore

JUNE 2, 2021

To share your thoughts, join the AoAD2 open review mailing list. Productivity was measured at almost three times the level for comparable embedded software teams. After that point, the software team supported the other engineering disciplines while continuing to do software enhancements. Your feedback is appreciated!

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Mobilunity

DECEMBER 2, 2022

The business landscape of the twenty-first century is undergoing a fast, ongoing transformation due to the stunning rate of technological breakthroughs. Many of the potential solutions could involve the use of software and digital data. Overview of Business Analysis Consulting Services. Hard skills. Soft skills. Mobilunity.

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Analysis Technical Review Systems Review Software Review 52

Apiumhub

MAY 26, 2022

Global Software Architecture Summit is taking place in CCIB , Barcelona this year! One of the largest and most important software architecture events with practical talks and hands-on workshops. GSAS speakers are experts in essential practices, innovation, working software and practical solutions. About the venue. GSAS values.

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Technical Review Software Review Technical Advisors Architecture 52

James Shore

FEBRUARY 16, 2023

Without them, programmers waste a huge amount of time manually checking and fixing their code. Infrastructure is code that involves external systems or state.) But infrastructure is often left untested, and it requires architectural changes that are out of reach for people with existing code. Automated tests are important.

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Testing Software Review Infrastructure Examples 138

LaunchDarkly

MAY 28, 2020

Oren explained the differences between AI and automation, problems with existing test automation solutions, how AI/machine learning can be used to address software testing problems, and more. That can take you, write a test very easily, like in the same day you’ll have 30% code coverage for Gmail. Watch Oren’s full talk.

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Machine Learning Artificial Inteligence Testing Software Review 59

James Shore

APRIL 27, 2018

For example code demonstrating these ideas, see my example on GitHub. When programmers use test-driven development (TDD), the code they test interacts with other parts of the system that aren't being tested. This pattern language 1 describes a way of testing object-oriented code without using mocks. 27 Apr 2018.

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Testing Software Review Infrastructure Systems Review 88

James Shore

APRIL 27, 2018

For example code demonstrating these ideas, see my example on GitHub. When programmers use test-driven development (TDD), the code they test interacts with other parts of the system that aren't being tested. This pattern language 1 describes a way of testing object-oriented code without using mocks. 27 Apr 2018.

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Net Objectives

MAY 14, 2019

Refactoring is defined by Martin Fowler as “improving the design of existing code.” While developers have been “cleaning up” their code from the very early days, Fowler made this a discipline that developers can collaborate within. Refactoring stipulates two things: that behavior does not change, and that the design has been improved.

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Net Objectives

FEBRUARY 7, 2019

The green test proves the code is accurate to the test. The code is written to pass … Continue reading "A Green Test Alone Proves Nothing". The red test proves the validity of the test (that it can fail). Tests that cannot fail indicates an error in the way they are written.

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Testing Software Review TDD 40

Net Objectives

FEBRUARY 18, 2019

If you decide to make that parameter an integer (1 is the pitcher, 2 is the catcher, and so forth), then the code will still compile if a number greater than 9, or … Continue reading "Figuring Out the Test You Missed is Job One". Let’s say you write a method in C# that takes, as its parameter, one of the nine players on a baseball team.

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