C O PYR I G H T 20 14 A C H A R R E TT
D I S R U P T I V E T E S T I N G
A N N E - M AR I E C H A R R E TTT E S T I N G T I M E S
C O PYR I G H T 20 14 A C H A R R E TT
M U N S T E R V S A L L BL AC K S
1978
@ C HA R R ETT
@ C HA R R ETT
T Y P I CAL T E S T P R OCE S S
Test Plan Test SpecTest ExecutionTest Report
@ C HA R R ETT
C O PYR I G H T 20 14 A C H A R R E TT
D E T E R M I N A S T IC T E S T I N G
• Meticulous adherence to test process
• Try and predict precise estimates
• Try and predict number of bugs to be found
• Lock down mentality
@ C HA R R ETT C OPY R I G HT R ON K R OET Z
C O PYR I G H T 20 14 A C H A R R E TT
N A S S I M N I C HOL A S TA LEB
“The black swan theory or theory of black swan events is a metaphor that describes an event that comes as a surprise, has a major
effect, and is often inappropriately rationalized after the fact with the benefit of
hindsight. ”
C O PYR I G H T 20 14 A C H A R R E TT
BEN T F LY V B J ER G & A LEXA N D ER BUD Z I ER , S EP T EM BER 2011 , " W HY YOUR I T P R O J EC T M AY BE
R I S K I ER THA N YOU TH I N K " , HA RVA R D BUS I N ES S R EV I EW
“average cost of IT projects overrun is only 27%”
“1 in six had a cost overrun of 200% and a schedule overrun of almost 70%.”
C O PYR I G H T 20 14 A C H A R R E TT
AVO I D P R E D I C T I O N
C O PYR I G H T 20 14 A C H A R R E TT
B E C O M E R O B U S T
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W E FOC US ON TES T I N G , W E F OC US ON S K I LL .
- M I C HA EL BOLT ON
FOCUS ON ORGANIZATIONS AND INDIVIDUALS THAT ARE PREPARED & EMPOWERED TO DEAL MENTALLY, POLITICALLY, AND EMOTIONALLY
WITH SURPRISES
C O PYR I G H T 20 14 A C H A R R E TT
T O O L S
T E S T I N G
P R O C E S S
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C O PYR I G H T 20 14 A C H A R R E TT
T H E AG E O F T H E T H I N K I N G T E S T E R
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T H I N K I N G T E S T E R
• CRITICAL THINKING
• LATERAL THINKING
• COMPLEXITY
• COMMUNICATION
C OPY R I G HT BY R OM A N J OOS T
• Embrace Technology
• Join a community
• Look beyond your community
• Develop testing skills
• Study Testing and Development
• Develop an opinion
• Speak about Testing
• Write about Testing C O PYR I G H T 20 14 A C H A R R E TT
C O PYR I G H T 20 14 A C H A R R E TT
H A B I TAT
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C O N D I T I O N S
• AUTONOMY
• COLLABORATION
• CONTINUOUS SELF LEARNING
• EMPOWERMENT
• SAFETY
C O PYR I G H T 20 14 A C H A R R E TT
- C EM KA N ER
“Exploratory testing is an approach to software testing that is concisely described as simultaneous learning, test design and
test execution.”
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T E S T E R C E N T R I C
DesignTesting
Learning
AutodidacticSelf Awareness
AutonomyCourage
Mental Engagement
P R O C E S S
• You are buying three items at a shop. These are the prices:
• $19.95
• $39.98
• $29.97
About how much money are you spending?
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H E U R I S T I C S
A heuristic is a fallible method of solving a problem or making a decision.
• Requires skill
• Context Dependent
• Less Visible
C OPY R I G HT S OR EN S I I M
James Bach
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– M I C HA EL BOLTON
“we can expect the unpredictable, anticipate it to some degree, manage it as best we
can, and learn from the experience.”
W E C A N N O T P R E D I C T T H E U N PR E D I C TA BL E
C O PYR I G H T 20 14 A C H A R R E TT
R E A D I N G
• The Black Swan - NN Taleb
• Antifragile - NN Taleb
• General Systems Thinking - J.Weinberg
• Black Swan & Testing blog series - Michael Bolton
• Heuristics & Testing - James Bach, Michael Bolton, Cem Kaner, James Lyndsey and any context driven tester you know of.
C O PYR I G H T 20 14 A C H A R R E TT
T H A N K YO U
AVA I L A BLE F OR
TRA I N I N G , C OAC H I N G & C ON S ULT I N G
A M C HA R R ETT@ T ES T I N GT I M ES . C OM . A U
C O PYR I G H T 20 14 A C H A R R E TT
A N Y Q U E S T I O N S ?
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