Lena Nyström
Lena Nyström
Test Strategist, Author and Public Speaker
She/they
Senior Technical Leader and Test strategist.
Author and creator of "Would Heu-risk it?" (card deck and book), avid blogger, speaker and workshop facilitator.
CEO of TestScouts Stockholm AB
🎂 MoTaBirthday | February 19, 2018
The "Testing using oracles" STEC lesson by Lena Nyström is an important one. She expertly works with many types of oracles during Lesson 4 of Module 10 of STEC (Software Testing Essentials Certific...
20 Aug
Eighteen months, 19 modules, and 59 amazing contributors later, the MoT Software Testing Essentials Certification is complete!
Looking back, my favourite part has been seeing so many community m...
18 Aug
Watch a live demo of the Would Heu-risk It? cards and how to use them
6 Nov
Oracles
Oracles are sources of knowledge that you can use to inform your testing and help you decide whether something might be a bug.
Heuristics
What are heuristics?Heuristics are approaches that we use to solve a problem that is similar to a problem we know how to solve, but not necessarily the same.
Do you have any examples?The most, clear one is doors. First time we come across a door, we don't know how it works. But as we learn how doors work, it becomes easier and easier to understand different kinds of doors. So different types of handles or sliding doors suddenly become easy to to understand. An example from software development would be CRUD, which I find very useful. Create, read, update, delete, which is basically what ninety percent of our software does. We create posts, we read posts, we update them, and we delete them.
What are the benefits?The biggest benefit is we don't have to invent the wheel every time, so it becomes easier to solve problems as we add more knowledge about similar problems.
Any pitfalls?They are models of they aren't the truth, so they are fallible. And, of course, we tend to make a lot of assumptions, and those assumptions might be wrong
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