How to understand what counts as a regression test

How to use eValid to support regression testing.

How to understand what counts as a regression test

Postby JimDrake » Thu Jan 23, 2020 1:27 pm

Hi.

What actually consitutes a "regression?"

Thanks
JimDrake
 
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Re: How to understand what counts as a regression test

Postby eValid » Fri Jan 24, 2020 10:31 am

JimDrake wrote:Hi.

What actually consitutes a "regression?"

Thanks


Good question, and thanks for asking JimDrake.

The basic idea is this: a test "fails" when something about it changes from the way it was when it was set up.

The notion is based on having a test be a sequence of actions that starts at a known state and moves the web application to a new final state, which can be documented as the "baseline" against which future runs of the test can be compared.

Here is a very simple example of doing this, testing a Windows application "Notepad" [which is kind of like a simplified Word process]:

http://e-valid.com/Products/Documentati ... tepad.html

Here the baseline is simple enough because the application that you see is only really capable of showing text passages.

You can also -- in keeping with the simpler Windows example -- compare and later differentiate captured screen selections:

http://e-valid.com/Products/Documentati ... tepad.html

For full-blown web pages you probably would be relying on looking into the DOM for differences, as described here:

http://e-valid.com/Products/Documentati ... bject.html


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