tdd: facts and fallacies
TRANSCRIPT
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Test Driven DevelopmentFacts and Fallacies
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Overview of Fallacies
#1 - Not enough time
#2 - Just for Unit tests?
#3 – Fad
#4 – Not for real work
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Quality
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Stress
Manual
Testing
Gerry Weinberg
Quality Software Management, 1991
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Stress
Automated
Testing
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Defects
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260
100
Project Non-TDD Project TDD
Project Non-TDD
Project TDD
TDD vs. Non-TDD
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Test First
Stress
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1) Write
complete set
of unit tests
2) Then write
production
code.
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M. M. Müller and O. Hagner, “Experiment about Test-first
Programming”, Proceedings of Conference on Empirical
Assessment in Software Engineering (EASE), 2002.
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6 years published
10 Years in practice
3,650 Days in practice
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Microsoft
Bosch
Sun
ObjectMentor
IBM
ThoughtWorks
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Technology
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Confusion
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Confidence
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Examples
Product Data Gateway
Compare Logical Model
Microsoft Renewals
JavaScript WebVersioning
Debugged: FileManager
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Review of Fallacies
#1 - Not enough time
#2 - Just for Unit tests?
#3 – Fad
#4 – Not for real work
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Thank You