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Unit Testing

A collection of 4 issues

Using Characterization Tests When Working With Legacy Code

Every software engineer has worked with legacy code in some way. Knowing how to work in different environments is essential, especially with legacy.

Let's reflect on the following definition of legacy code from the book Working Effectively With Legacy Code by Michael C. Feathers:

"In the industry,

Sep 16, 2024
2 min read

How to Implement TDD on Existing Code

"Yeah TDD is great but it doesn't work in real life." 🙄

If I had a penny for every time I heard a similar comment during my career as an iOS Developer I would be rich!

In this article, I'll go over how it is

Mar 24, 2024
6 min read

What the **** is a Memory Leak?!

In any software environment, it's very common to talk about memory leaks, according to NetGuru, a memory leak is a block of memory that was allocated at some point in time but for some reason, was never released and is no longer being referenced in the app [1]

Mar 5, 2024
5 min read

Stub vs Spy vs Mock: Aren't they all just the same thing?

When implementing tests you may have needed to use some sort of test doubling.

In this article, I want to briefly talk about the differences between the concepts of mock, spy and stub, and how and when to use them.

Let's start with the most commonly heard concept:

Feb 27, 2024
5 min read

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5. Using Characterization Tests When Working With Legacy Code Every software engineer has worked with legacy code in some way. Knowing how to work in different environments is essent [direct]
6. How to Implement TDD on Existing Code "Yeah TDD is great but it doesn't work in real life." 🙄 If I had a penny for every time I heard a similar comment during my career as an iO [direct]
7. What the **** is a Memory Leak?! In any software environment, it's very common to talk about memory leaks, according to NetGuru, a memory leak is a block of memory that was alloca [direct]
8. Stub vs Spy vs Mock: Aren't they all just the same thing? When implementing tests you may have needed to use some sort of test doubling. In this article, I want to briefly talk a [direct]
9. Powered by Ghost [direct]