SlideShare a Scribd company logo
1 of 31
Download to read offline
:                (             )
        : http://d.hatena.ne.jp/t-wada
        : takuto.wada@towersquest.jp
Twitter: http://twitter.com/t_wada
•   WEB + DB PRESS
    •   vol.35        !

    •   vol.37        !

    •   vol.42   REST

•   LifeHacks PRESS
•                         (   )

•
•

•
•
•
•   Developer Testing   (TDD)

•
    •
    •
    •
Developer   Customer     QA
 Testing     Testing   Testing


             (    )

                       (     )
(   )
1.
2.                  (Red)
3.
4.                (Green)
5.
     (Refactor)
6.
Refactoring
              Green
Red




                      )
                      (
Write a program that prints the numbers from 1 to 100. But for
multiples of three print “Fizz” instead of the number and for the
multiples of five print “Buzz”. For numbers which are multiples of
both three and five print “FizzBuzz”.


1       100
3                                            Fizz          5
 Buzz                          3    5                                    FizzBuzz




         http://tickletux.wordpress.com/2007/01/24/using-fizzbuzz-to-find-developers-who-grok-coding/
         http://www.aoky.net/articles/jeff_atwood/why_cant_programmers_program.htm
•                      (
                                  …)

•   print       list

•   FizzBuzz

•   3       5



                           http://blogger.ukai.org/2007/09/itpro-challenge.html
•   Eclipse 3.4(Ganymede) Milestone 4
    •   Subversive
    •   Quick-JUnit
•   JUnit 4.4
•
•
•
•
    •
•       (Fake it)

•         (Triangulation)

•            (Obvious Implementation)
•
•
•
    •
    •
•
•
    •
    •
    •
•
•           …

    •                   ?

    •         0     ?

    •   Buzz Fizz           ?
•
•       =>

•   =
•
    •   Rename (        )

    •   Extract (   )

    •   Inline (            )
•            TDD   …

    •
    •
    •   !!
Thank you.

More Related Content

Similar to Devsumi 2008 Developer Testing

Google_A_Behind_the_Scenes_Tour_-_Jeff_Dean
Google_A_Behind_the_Scenes_Tour_-_Jeff_DeanGoogle_A_Behind_the_Scenes_Tour_-_Jeff_Dean
Google_A_Behind_the_Scenes_Tour_-_Jeff_Dean
Hiroshi Ono
 

Similar to Devsumi 2008 Developer Testing (10)

TDD Boot Camp
TDD Boot CampTDD Boot Camp
TDD Boot Camp
 
D Is For Driven
D Is For DrivenD Is For Driven
D Is For Driven
 
Introducing Swift - and the Sunset of Our Culture?
Introducing Swift - and the Sunset of Our Culture?Introducing Swift - and the Sunset of Our Culture?
Introducing Swift - and the Sunset of Our Culture?
 
Shawn Keynote Present
Shawn Keynote PresentShawn Keynote Present
Shawn Keynote Present
 
A Re-Introduction to JavaScript
A Re-Introduction to JavaScriptA Re-Introduction to JavaScript
A Re-Introduction to JavaScript
 
Google_A_Behind_the_Scenes_Tour_-_Jeff_Dean
Google_A_Behind_the_Scenes_Tour_-_Jeff_DeanGoogle_A_Behind_the_Scenes_Tour_-_Jeff_Dean
Google_A_Behind_the_Scenes_Tour_-_Jeff_Dean
 
GenomeBrowser
GenomeBrowserGenomeBrowser
GenomeBrowser
 
Genome Browser
Genome BrowserGenome Browser
Genome Browser
 
What Can Compilers Do for Us?
What Can Compilers Do for Us?What Can Compilers Do for Us?
What Can Compilers Do for Us?
 
Firefox, Mozilla, and MozTW
Firefox, Mozilla, and MozTWFirefox, Mozilla, and MozTW
Firefox, Mozilla, and MozTW
 

More from Takuto Wada

More from Takuto Wada (20)

unassert - encourage reliable programming by writing assertions in production
unassert - encourage reliable programming by writing assertions in productionunassert - encourage reliable programming by writing assertions in production
unassert - encourage reliable programming by writing assertions in production
 
OSS についてあれこれ
OSS についてあれこれOSS についてあれこれ
OSS についてあれこれ
 
SQLアンチパターン 幻の第26章「とりあえず削除フラグ」
SQLアンチパターン 幻の第26章「とりあえず削除フラグ」SQLアンチパターン 幻の第26章「とりあえず削除フラグ」
SQLアンチパターン 幻の第26章「とりあえず削除フラグ」
 
power-assert, mechanism and philosophy
power-assert, mechanism and philosophypower-assert, mechanism and philosophy
power-assert, mechanism and philosophy
 
アジャイルサムライの次に読む技術書
アジャイルサムライの次に読む技術書アジャイルサムライの次に読む技術書
アジャイルサムライの次に読む技術書
 
Test Yourself - テストを書くと何がどう変わるか
Test Yourself - テストを書くと何がどう変わるかTest Yourself - テストを書くと何がどう変わるか
Test Yourself - テストを書くと何がどう変わるか
 
テスト用ライブラリ power-assert
テスト用ライブラリ power-assertテスト用ライブラリ power-assert
テスト用ライブラリ power-assert
 
Reviewing RESTful Web Apps
Reviewing RESTful Web AppsReviewing RESTful Web Apps
Reviewing RESTful Web Apps
 
power-assert in JavaScript
power-assert in JavaScriptpower-assert in JavaScript
power-assert in JavaScript
 
TDD のこころ @ OSH2014
TDD のこころ @ OSH2014TDD のこころ @ OSH2014
TDD のこころ @ OSH2014
 
テストを書く文化を育てる戦略と戦術
テストを書く文化を育てる戦略と戦術テストを書く文化を育てる戦略と戦術
テストを書く文化を育てる戦略と戦術
 
私にとってのテスト
私にとってのテスト私にとってのテスト
私にとってのテスト
 
SQLアンチパターン - 開発者を待ち受ける25の落とし穴
SQLアンチパターン - 開発者を待ち受ける25の落とし穴SQLアンチパターン - 開発者を待ち受ける25の落とし穴
SQLアンチパターン - 開発者を待ち受ける25の落とし穴
 
ペアプログラミング ホントのところ
ペアプログラミング ホントのところペアプログラミング ホントのところ
ペアプログラミング ホントのところ
 
RESTful Web アプリの設計レビューの話
RESTful Web アプリの設計レビューの話RESTful Web アプリの設計レビューの話
RESTful Web アプリの設計レビューの話
 
例外設計における大罪
例外設計における大罪例外設計における大罪
例外設計における大罪
 
TDDBC お題
TDDBC お題TDDBC お題
TDDBC お題
 
DevLOVE DDDBC
DevLOVE DDDBCDevLOVE DDDBC
DevLOVE DDDBC
 
TDDBC Fukuoka Day1
TDDBC Fukuoka Day1TDDBC Fukuoka Day1
TDDBC Fukuoka Day1
 
js テスト放浪記
js テスト放浪記js テスト放浪記
js テスト放浪記
 

Recently uploaded

Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers:  A Deep Dive into Serverless Spatial Data and FMECloud Frontiers:  A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Safe Software
 
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers:  A Deep Dive into Serverless Spatial Data and FMECloud Frontiers:  A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Safe Software
 
+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...
+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...
+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...
?#DUbAI#??##{{(☎️+971_581248768%)**%*]'#abortion pills for sale in dubai@
 
Modular Monolith - a Practical Alternative to Microservices @ Devoxx UK 2024
Modular Monolith - a Practical Alternative to Microservices @ Devoxx UK 2024Modular Monolith - a Practical Alternative to Microservices @ Devoxx UK 2024
Modular Monolith - a Practical Alternative to Microservices @ Devoxx UK 2024
Victor Rentea
 
Architecting Cloud Native Applications
Architecting Cloud Native ApplicationsArchitecting Cloud Native Applications
Architecting Cloud Native Applications
WSO2
 

Recently uploaded (20)

ProductAnonymous-April2024-WinProductDiscovery-MelissaKlemke
ProductAnonymous-April2024-WinProductDiscovery-MelissaKlemkeProductAnonymous-April2024-WinProductDiscovery-MelissaKlemke
ProductAnonymous-April2024-WinProductDiscovery-MelissaKlemke
 
Repurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost Saving
Repurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost SavingRepurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost Saving
Repurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost Saving
 
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers:  A Deep Dive into Serverless Spatial Data and FMECloud Frontiers:  A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
 
Rising Above_ Dubai Floods and the Fortitude of Dubai International Airport.pdf
Rising Above_ Dubai Floods and the Fortitude of Dubai International Airport.pdfRising Above_ Dubai Floods and the Fortitude of Dubai International Airport.pdf
Rising Above_ Dubai Floods and the Fortitude of Dubai International Airport.pdf
 
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers:  A Deep Dive into Serverless Spatial Data and FMECloud Frontiers:  A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
 
MINDCTI Revenue Release Quarter One 2024
MINDCTI Revenue Release Quarter One 2024MINDCTI Revenue Release Quarter One 2024
MINDCTI Revenue Release Quarter One 2024
 
Strategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
Strategize a Smooth Tenant-to-tenant Migration and Copilot TakeoffStrategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
Strategize a Smooth Tenant-to-tenant Migration and Copilot Takeoff
 
Apidays New York 2024 - The value of a flexible API Management solution for O...
Apidays New York 2024 - The value of a flexible API Management solution for O...Apidays New York 2024 - The value of a flexible API Management solution for O...
Apidays New York 2024 - The value of a flexible API Management solution for O...
 
+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...
+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...
+971581248768>> SAFE AND ORIGINAL ABORTION PILLS FOR SALE IN DUBAI AND ABUDHA...
 
Modular Monolith - a Practical Alternative to Microservices @ Devoxx UK 2024
Modular Monolith - a Practical Alternative to Microservices @ Devoxx UK 2024Modular Monolith - a Practical Alternative to Microservices @ Devoxx UK 2024
Modular Monolith - a Practical Alternative to Microservices @ Devoxx UK 2024
 
Apidays New York 2024 - Accelerating FinTech Innovation by Vasa Krishnan, Fin...
Apidays New York 2024 - Accelerating FinTech Innovation by Vasa Krishnan, Fin...Apidays New York 2024 - Accelerating FinTech Innovation by Vasa Krishnan, Fin...
Apidays New York 2024 - Accelerating FinTech Innovation by Vasa Krishnan, Fin...
 
Artificial Intelligence Chap.5 : Uncertainty
Artificial Intelligence Chap.5 : UncertaintyArtificial Intelligence Chap.5 : Uncertainty
Artificial Intelligence Chap.5 : Uncertainty
 
Boost Fertility New Invention Ups Success Rates.pdf
Boost Fertility New Invention Ups Success Rates.pdfBoost Fertility New Invention Ups Success Rates.pdf
Boost Fertility New Invention Ups Success Rates.pdf
 
Architecting Cloud Native Applications
Architecting Cloud Native ApplicationsArchitecting Cloud Native Applications
Architecting Cloud Native Applications
 
Exploring Multimodal Embeddings with Milvus
Exploring Multimodal Embeddings with MilvusExploring Multimodal Embeddings with Milvus
Exploring Multimodal Embeddings with Milvus
 
[BuildWithAI] Introduction to Gemini.pdf
[BuildWithAI] Introduction to Gemini.pdf[BuildWithAI] Introduction to Gemini.pdf
[BuildWithAI] Introduction to Gemini.pdf
 
EMPOWERMENT TECHNOLOGY GRADE 11 QUARTER 2 REVIEWER
EMPOWERMENT TECHNOLOGY GRADE 11 QUARTER 2 REVIEWEREMPOWERMENT TECHNOLOGY GRADE 11 QUARTER 2 REVIEWER
EMPOWERMENT TECHNOLOGY GRADE 11 QUARTER 2 REVIEWER
 
DBX First Quarter 2024 Investor Presentation
DBX First Quarter 2024 Investor PresentationDBX First Quarter 2024 Investor Presentation
DBX First Quarter 2024 Investor Presentation
 
FWD Group - Insurer Innovation Award 2024
FWD Group - Insurer Innovation Award 2024FWD Group - Insurer Innovation Award 2024
FWD Group - Insurer Innovation Award 2024
 
Strategies for Landing an Oracle DBA Job as a Fresher
Strategies for Landing an Oracle DBA Job as a FresherStrategies for Landing an Oracle DBA Job as a Fresher
Strategies for Landing an Oracle DBA Job as a Fresher
 

Devsumi 2008 Developer Testing

  • 1.
  • 2.
  • 3.
  • 4. : ( ) : http://d.hatena.ne.jp/t-wada : takuto.wada@towersquest.jp Twitter: http://twitter.com/t_wada
  • 5. WEB + DB PRESS • vol.35 ! • vol.37 ! • vol.42 REST • LifeHacks PRESS • ( ) •
  • 7. Developer Testing (TDD) • • • •
  • 8.
  • 9. Developer Customer QA Testing Testing Testing ( ) ( )
  • 10.
  • 11. ( )
  • 12. 1. 2. (Red) 3. 4. (Green) 5. (Refactor) 6.
  • 13. Refactoring Green Red ) (
  • 14.
  • 15. Write a program that prints the numbers from 1 to 100. But for multiples of three print “Fizz” instead of the number and for the multiples of five print “Buzz”. For numbers which are multiples of both three and five print “FizzBuzz”. 1 100 3 Fizz 5 Buzz 3 5 FizzBuzz http://tickletux.wordpress.com/2007/01/24/using-fizzbuzz-to-find-developers-who-grok-coding/ http://www.aoky.net/articles/jeff_atwood/why_cant_programmers_program.htm
  • 16. ( …) • print list • FizzBuzz • 3 5 http://blogger.ukai.org/2007/09/itpro-challenge.html
  • 17. Eclipse 3.4(Ganymede) Milestone 4 • Subversive • Quick-JUnit • JUnit 4.4
  • 18.
  • 20. • • (Fake it) • (Triangulation) • (Obvious Implementation)
  • 21.
  • 22. • • • • •
  • 23. • • • • •
  • 24. • • … • ? • 0 ? • Buzz Fizz ?
  • 25.
  • 26. • • => • =
  • 27. • Rename ( ) • Extract ( ) • Inline ( )
  • 28.
  • 29. TDD … • • • !!
  • 30.