Skip to main content

What does it mean to “shift testing left”?

What does it mean to “shift testing left”?

I used to think shifting left meant starting all these testing activities earlier in the process, but I realise it is more than that: it means doing different things. Shifting left on testing means thinking about architecture and design differently, considering different stakeholders early and continually. Which in turn means shifting left on security, accessibility, and all the other dimensions of quality that we should care about. So shifting left on testing motivates all kinds of assurance activities, which can stop us over-investing in a solution that was never going to work. It is like TDD on steroids.

As an unintended consequence, we can remove much of the traditional work that testers would have to do downstream when they only have late sight of the product. Again, we aren’t doing that work earlier, we are setting ourselves up to never need it at all!

Comments

Popular posts from this blog

How the Python import system works

How the Python import system works From:  https://tenthousandmeters.com/blog/python-behind-the-scenes-11-how-the-python-import-system-works/ If you ask me to name the most misunderstood aspect of Python, I will answer without a second thought: the Python import system. Just remember how many times you used relative imports and got something like  ImportError: attempted relative import with no known parent package ; or tried to figure out how to structure a project so that all the imports work correctly; or hacked  sys.path  when you couldn't find a better solution. Every Python programmer experienced something like this, and popular StackOverflow questions, such us  Importing files from different folder  (1822 votes),  Relative imports in Python 3  (1064 votes) and  Relative imports for the billionth time  (993 votes), are a good indicator of that. The Python import system doesn't just seem complicated – it is complicated. So even though the  documentation  is really good, it d

Todo lists are overrated

My tasks come from a variety of sources: 1) Tasks from emails  2) Meeting notes with details of people who participated  3) Project related tasks that can have a long format and can be tagged/ delegated  4) Scratchpad for unrefined ideas  5) Detailed documentation for completed technical tasks / ideas  6) FIFO list of high priority small daily tasks No one app has been able to map all the requirements above, and I have tried a lot of them! In my lifetime I’ve tried a dozen todo apps. In the beginning they all seem different, novel and special. Slick UI, shortcuts, tags, subtasks, the list goes on and on. But all our stories were the same: I start using the new app, then after awhile I stop using it. Up until the last week I thought the problem was in myself (you probably think so too). After all, David Allen seems to have figured this shit out. Also there are people leaving long 5 star reviews on every major todo list app, they discuss them on forums, recommend them to friends. But the

On working remote

The last company I worked for, did have an office space, but the code was all on Github, infra on AWS, we tracked issues over Asana and more or less each person had at least one project they could call "their own" (I had a bunch of them ;-)). This worked pretty well. And it gave me a feeling that working remote would not be very different from this. So when we started working on our own startup, we started with working from our homes. It looked great at first. I could now spend more time with Mom and could work at leisure. However, it is not as good as it looks like. At times it just feels you are busy without business, that you had been working, yet didn't achieve much. If you are evaluating working from home and are not sure of how to start, or you already do (then please review and add your views in comments) and feel like you were better off in the office, do read on. Remote work is great. But a physical office is better. So if you can, find yourself a co-working s