TPSE2014 :: Test Driven Development

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Siam Chamnankit Co., Ltd., Odd-e (Thailand) Co., Ltd. and Alliance
สมเกียรติ ปุ๋ยสูงเนิน
SPRINT3R โดย บริษัท สยาม๡ํานาญกิจ จํากัด บริษัท ออด-อี (ประเทศไทย) จํากัด และพันธมิตร
Thailand
Practical
Software
Engineering
2014

C U R R E N T O F T D D
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T E S T D R I V E N D E V E L O P M E N T
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A C C E P TA N C E T E S T D R I V E N D E V E L O P M E N T
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L A R G E R F E E D B A C K L O O P
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H I S T O R Y O F T D D
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http://c2.com/cgi/wiki?TenYearsOfTestDrivenDevelopment

1 9 6 0 ’ S
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T H E S E C R E T O F A N C I E N T
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www.l3ak.com

Professionals
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Test their code

1 9 7 0 ’ S
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K E N T B E C K
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http://www.flickr.com/photos/mwichary/2376639066/

Separate what from how
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1 9 8 9
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S H O R T - C I R C U I T T H E P R O C E S S
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Automated tests
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Confirm features

1 9 9 6
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T E S T F I R S T I N C 3 P R O J E C T
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http://www.martinfowler.com/bliki/C3.html

It’s a change in culture
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X U N I T
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E X P A N D T H E W O R L D
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C 2 W I K I

“Working”
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is not good enough

1 9 9 9
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T H E O R I G I N O F M O C K O B J E C T
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Listen to the tests
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2 0 0 1
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C O N T I N U O U S B U I L D
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W O R K O N M Y M A C H I N E !
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Working system
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provides feedback

Safety culture
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T E S T D OX S T Y L E
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A Sheep eats grass
A Sheep produces good milk
A Sheep moves away from dogs

Focus on intent
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2 0 0 2
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F I R S T T D D B O O K
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Remove duplication
Write a fail test before
write any code

When you are lost,
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slow down

2 0 0 3
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A L O T O F B O O K
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2 0 0 4
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T D D F O R C U S T O M E R
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Confirm understanding
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with examples

L I V I N G I N R E A L W O R L D
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Legacy code
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code without tests
is

N E X T G E N E R AT I O N
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2 0 0 7
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T H E R E S E A R C H S U G G E S T S
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More effort, better quality
More visible on project
Very hard to get
meaningful results

U N D E R S TA N D
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U N D E R S TA N D
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Professionals test their code
Separate what from how
Automatic tests confirm features
It’s change in culture

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Working is not good enough
Listen to the tests
Working system provide feedback
Focus on intent
U N D E R S TA N D

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When you are lost, slow down
It’s not only about testing
Legacy code is code without tests
Understand the principles behind the practice
U N D E R S TA N D

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Focus
Feedback
Professionalism
T D D E R

T E S T S T R U C T U R E
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B A S I C
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Setup
Execute
Verify
Clean-up

S E V T
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Setup
Exercise
Verify
Teardown

A A A
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E X A M P L E
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G O O D T E S T
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P R O P E R T I E S
O F

A - T R I P
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Automated
Thorough
Repeatable
Independent
Professional

T E S T T O O L S
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X U N I T
http://en.wikipedia.org/wiki/List_of_unit_testing_frameworks

C O D I N G D O J O
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http://www.aikido-yamada.eu/

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1 อ่านว่า 1
3 อ่านว่า Fizz
F I Z Z B U Z Z
5 อ่านว่า Buzz
10 อ่านว่า Buzz
http://en.wikipedia.org/wiki/Fizz_buzz

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15 อ่านว่า FizzBuzz
F I Z Z B U Z Z

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All the tests pass
There is no duplication
Focus your intent
S I M P L E D E S I G N R U L E S
Classes and methods are minimized

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TPSE2014 :: Test Driven Development

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TPSE2014 :: Test Driven Development