FiSTB Testing Assembly conference slides by me about software testing impact on climate. In other words sustainability of software testing. Or green testing. Whatever you call it, software testing also has an impact on climate (the carbon footprint), which you can minimize. But you can also have a handprint which is the positive impact of our actions to the climate.
3. A Nordic powerhouse
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4. The book project ”Dragons Out!”
• Mission
• “Software testing brought to children”
• Book
• Author Kari Kakkonen
• Illustrator Adrienn Széll
• Text and illustration rights Dragons Out Oy
• In Finnish, English, Polish, French and growing
• For ages of 10-99
• Free “Dragon lesson in software testing”
presentation under Creative Commons –license
• Translated to 20 languages!
• More info: www.dragonsout.com
• Also other books coming out
4
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6. TMMi for test improvement in all kinds of testing,
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21. Quality costs PAFF-model (Feigenbaum)
21
Quality costs are all the costs that would disappear if everything was done right the first time.
Prevention costs
Costs that aim to prevent the creation of defects.
• Quality systems
• Methodologies
• Training
• Understanding customer expectations
• Code reviews
Appraisal costs
Costs that aim to maintain the company
quality level.
• Test planning and execution
• Test management
• Test environments and tools
Failure costs (internal)
Costs to fix defects that are found before
delivering the software to customer and its
users.
• Debugging
• Defect fixes
• Retesting
Failure costs (external)
Costs that occur when defects are found in the
software that the customer has already taken
into production usage.
. • Guarantee costs
• Penalties
• Price reductions
• Product call-backs and disposals
• Image, PR
Investments
Costs
and
penalties
PAFF = Prevention costs, Appraisal costs, Failure costs (internal), Failure costs (external)
22. Quality costs PAFF-model (Feigenbaum)
with climate impact
22
Quality costs are all the costs that would disappear if everything was done right the first time.
Prevention costs
Costs that aim to prevent the creation of defects.
• Quality systems, incl. climate impact of code
• Methodologies
• Training
• Understanding customer expectations
• Code reviews
Appraisal costs
Costs that aim to maintain the company
quality level.
• Test planning and execution
• Test management
• Test environments and tools
• Measurement of climate impact of code
Failure costs (internal)
Costs to fix defects that are found before
delivering the software to customer and its
users.
• Debugging
• Defect fixes
• Retesting
• Testing time and environments
Failure costs (external)
Costs that occur when defects are found in the
software that the customer has already taken
into production usage.
. • Guarantee costs
• Penalties, climate sanctions, CO2 compensation
• Price reductions
• Product call-backs and disposals
• Image, PR
Investments
Costs
and
penalties
PAFF = Prevention costs, Appraisal costs, Failure costs (internal), Failure costs (external)