An Agile Approach to Automation – StarWest 2009 - Agile Testing

63 Pages·2009·4.14 MB·English

by  Lisa Crispin

Making Test
Automation Work
in Agile Projects
StarWest 2009
Lisa Crispin
With Material from Janet Gregory
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Topics – Making Automation Work
Learn ways to:
Overcome common obstacles
 
Use automation to “keep up”
 
Succeed with the “whole team” approach
 
Use automation to enhance ET
 
Evaluate and implement tools
 
Use ROI to help succeed
 
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Copyright 2009 Lisa Crispin and Janet Gregory
Why Automate?
Free up time for most important work
 
Repeatable
 
Safety net
 
Quick feedback
 
Help drive coding
 
Manual tests are error prone
 
Tests provide documentation
 
You know what your system does
 
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Copyright 2009 Lisa Crispin and Janet Gregory
Barriers to Test Automation
What’s holding you back?
S
kill
s
a r
e
F
C
h
a
n
gi
n
g
c
? o
? d
?? e
?
Not designed
For testability
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Copyright 2009 Lisa Crispin and Janet Gregory
Pain and Fear
  Programmers don’t feel manual test pain
  Testers treated as safety net
  Fear
Programmers lack testing skills
 
Testers lack programming skills
 
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Copyright 2009 Lisa Crispin and Janet Gregory
It’s Worth It
  ROI – explain to management
  “Present value” of automated tests
  Acknowledge hump of pain
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Copyright 2009 Lisa Crispin and Janet Gregory
Initial Investment
  Hump of pain
  Legacy code, changing code
  Tools, infrastructure, time

t
r
o
f
f
E
Time
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Copyright 2009 Lisa Crispin and Janet Gregory
What Affects ROI
  Good test practices increase ROI
Simple, well-designed, refactored tests
 
Test resources improve over time
 
  Poor test practices reduce ROI
Tests are hard to understand
 
Tests are hard to maintain
 
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Copyright 2009 Lisa Crispin and Janet Gregory
Copyright 2008: Janet Gregory, DragonFire Inc.
Questions on Why Automate?
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Copyright 2009 Lisa Crispin and Janet Gregory
Small Group Exercise
  Write obstacles hindering your team on small
Post-Its..
  Stick them on the wall or flip chart.
  Group similar ones. What patterns emerge?
  Are there any unexpected barriers?
  Share patterns, surprising outcomes with the
class.
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Copyright 2009 Lisa Crispin and Janet Gregory