we don't test to find bugs | kristoffer nordström | ltg-24

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We don’t test to find bugs Kristoffer Nordström Lean Tribe - Växjö 2014-11-20

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Presentation hållen vid Lean Tribe Gathering 24 i Växjö 20 november 2014.

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Page 1: We don't test to find bugs | Kristoffer Nordström | LTG-24

We don’t test to find bugs

Kristoffer Nordström

Lean Tribe - Växjö

2014-11-20

Page 2: We don't test to find bugs | Kristoffer Nordström | LTG-24

Been looking for bugs?

Page 3: We don't test to find bugs | Kristoffer Nordström | LTG-24

Testing is asking questions and seeking answers

Page 4: We don't test to find bugs | Kristoffer Nordström | LTG-24

If we’re not looking for bugs… then

what?

We’re looking for

information!

For the people who

needs it.

So what are we doing then?

Page 5: We don't test to find bugs | Kristoffer Nordström | LTG-24

So how do I do it?

Start every dayby asking:

What can I do to find the most important information for the

stakeholder that needs it the most today?

Page 6: We don't test to find bugs | Kristoffer Nordström | LTG-24
Page 7: We don't test to find bugs | Kristoffer Nordström | LTG-24
Page 8: We don't test to find bugs | Kristoffer Nordström | LTG-24
Page 9: We don't test to find bugs | Kristoffer Nordström | LTG-24

Why not test it all?

Page 10: We don't test to find bugs | Kristoffer Nordström | LTG-24

• Not all requirements are explicit:

• Software should not crash

• Software should not drain system of memory

• Documentation should be coherent

Explicit and Implicit requirements

Page 11: We don't test to find bugs | Kristoffer Nordström | LTG-24

But its not ad-hoc

Test strategies

Test cases & Test suites

Tools

Routines

Colleagues

Experience

Page 12: We don't test to find bugs | Kristoffer Nordström | LTG-24

Not lookingfor bugs

Looking for information

Ask yourself

every day…

Page 13: We don't test to find bugs | Kristoffer Nordström | LTG-24