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 Certificate).
We should be making more use of oracles. They are everywhere. Oracles reveal themselves in our physical spaces, in various ways online, in conversations with people, in our long and short-term memory and many more places.
Oracles provide us with information to help us explore risks – things that might threaten the value of the thing we're testing. They help spark ideas and make decisions.
Besides common oracles like requirement specifications, acceptance criteria, and legal regulations, some of the most interesting ones come from less obvious places.
Where else have you found your most effective oracles?
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