Probabynull Profile picture
May 19, 2022 12 tweets 5 min read Read on X
What I wish I knew about software testing 🧵 1/12

🎨 Content Creator: @jerry__chang

#Softwaretesting #DevOps
2/11 Know the why

Know the “why” is half the battle.
3/11 Contracts in your code

Think of it as a contract.

When you design your software, you want to be able to say my code should do x, y z under these conditions.
4/11 It’s a skill

Just like coding, the more you do it, the better you get!

The skill compounds over time. So, I think it’s even worthwhile to even write tests for your side project!
5/11 The goal isn’t to get 100% test coverage

Don’t get confused, and start writing “fluff” tests to get that 100%.

The goal is ensuring quality and upholding the contract over time!
6/11 Thinking in systems

When analyzing quality of a system, its important to analyze it as individual parts but also holistically.
7/11 Some better metrics

Good metrics informs and helps make better decisions.

For example, if you see a lot of bugs creeping up in one part of a codebase, that could signal deeper issues or architectural design problems.
8/11 Visualizing software, tests, process and people as a system.
9/11 “testing” does not stop once software is in production.

In fact, learning about your code, tests and process after it goes live very key to a robust process in the long term.

Always ensure that you design software in a way that you can get the right feedback.
10/11 Improve the process

Once you get the feedback, take those learnings in each cycle, and use them to improve your process.

The improvements compounds over time.
11/11 Build in safety

Taking it a step further, you can setup guard rails in your process to mitigate any future issues discovered in production environment.

This creates a layer of safety within your process for yourself, your team and everyone else.
I hope you enjoyed that! If you did, then please like, share or comment!

Follow @probablynull to level up your software engineering skills!

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More from @probablynull

Jul 19, 2022
6 core elements of every bundler

Content Creator: @jerry__chang

#webdevelopment #frontenddev #javascript #Reactjs #vuejs #nextjs #remix

1/n
1/n

Bundling isn’t really a new concept.

Many folks have been doing it since Browserify.

These bundlers offer:

1. Bundling system
2. Options for the ability to optimize and other build time modifications
2/n

Here are common elements shared between all the different bundlers.
Read 12 tweets
Jan 21, 2022
1/8 AWS Aurora Security 🧵👇

🎨 Content Creator: @jerry__chang

#AWS #Database #PostgreSQL #MySQL
2/8 Isolate the resources from the internet (not publicly accessible)
3/8 Leverage security groups to control network traffic for the individual resources.
Read 8 tweets

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