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Realism in Testing

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Dawn Haynes

on 14 November 2017

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Transcript of Realism in Testing

Realism in Testing
The story begins ...
Know Thy User, For He is Not Thee
Experience & Bad Dreams
The ones that got away ...
The misses that sunk the ship
Tip of the Iceberg
Real Stories
Useless Edge/Corner Cases
Failure Recovery
Realistic Business Value
The Lessons Extracted
Realism is not ALWAYS useful
Some UNREALISTIC tests can play a role or be needed
Look to be aware of which you need
Business value can trump everything else
Extract business context factors that help filter or focus testing effort
Recovery scenarios are realistic
Find bad realities
Happy Path is rarely enough
Understand the functionality within a more complete set of usage context variables

Some scenarios are too unrealistic to matter
use Attacks in realistic usage scenarios

Edge cases
Corner cases
Zaria Forman
OCR Application - UNIX
Happy Path too Thin
a retrospective
could be planned
is this < i >
the same as ...
this one?
Answer: Yes. The title letters are all the same color.
Let's try an exercise!
Def: A corner case (or pathological case) is a problem or situation that occurs only outside of normal operating parameters—specifically one that manifests itself when multiple environmental variables or conditions are simultaneously at extreme levels, even though each parameter is within the specified range for that parameter. (source: Wikipedia)
Def: An edge case is a problem or situation that occurs only at an extreme (maximum or minimum) operating parameter. For example, a stereo speaker might distort audio when played at its maximum rated volume, even in the absence of other extreme settings or conditions.
An edge case can be expected or unexpected. (source: Wikipedia)
Use the hyperlink to locate the Google Doc. Take a look at the app screen and come up with some Edge cases and Corner cases for the OCR application. Add your ideas to the mindmap via the link in the doc.
What is real?
This picture of an iceberg is NOT a photograph. It is a painting. Additionally, the artist paints with her fingers instead of using brushes. The reality Zaria creates is truly amazing! Integrating and simulating reality can be a great tool to complete your testing picture.
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