SlideShare ist ein Scribd-Unternehmen logo
1 von 16
Downloaden Sie, um offline zu lesen
/16@yegor256 1
Test Exit Criteria
Yegor Bugayenko
www.yegor256.com
/16@yegor256 2
“…to verify that the software product
is fit for use, meets the requirements,
performs its functions within an
acceptable time, is sufficiently usable…”
Wikipedia
mistake #1
/16@yegor256 3
“Testing is the process of executing a
program with the intent of finding
errors”
—Glenford Myers

“The Art of Software Testing”
/16@yegor256 4
“A good software doesn’t have bugs”
mistake #2
—Captain Obvious
/16@yegor256 5
"You cannot test a program to guarantee
that it is error free”
—Glenford Myers

“The Art of Software Testing”
"It is impractical, often impossible,
to find all the errors in a program"
/16@yegor256 6
When do we stop?
exit criteriadeploy
/16@yegor256 7
1: All scripts pass
motive
/16@yegor256 8
2: Time is over
goal
/16@yegor256 9
3: Money is over
goal
/16@yegor256 10
4: Bug targets reached
/16@yegor256 11
"Since the goal of testing is to find
errors, why not make the completion
criterion the detection of some
predefined number of errors?"
—Glenford Myers

“The Art of Software Testing”
/16@yegor256 12
"Software is released for use, not when
it is known to be correct, but when the
rate of discovering errors slows down
to one that management considers
acceptable"
—David West

“Object Thinking”
/16@yegor256 13
Bug is good?!
Q#1
/16@yegor256 14
How to motivate?
Q#2
per bug
/16@yegor256 15
How to predict?
Q#3
LoChoursintent
/16@yegor256 16

Weitere ähnliche Inhalte

Andere mochten auch

How Anemic Objects Kill OOP
How Anemic Objects Kill OOPHow Anemic Objects Kill OOP
How Anemic Objects Kill OOPYegor Bugayenko
 
Who Is a Software Architect?
Who Is a Software Architect?Who Is a Software Architect?
Who Is a Software Architect?Yegor Bugayenko
 
Management without managers
Management without managersManagement without managers
Management without managersYegor Bugayenko
 
How Immutability Helps in OOP
How Immutability Helps in OOPHow Immutability Helps in OOP
How Immutability Helps in OOPYegor Bugayenko
 
ORM is a perfect anti-pattern
ORM is a perfect anti-patternORM is a perfect anti-pattern
ORM is a perfect anti-patternYegor Bugayenko
 
RABIES IN TUNISIA:Evolution and result of « National Program of Rabies Control »
RABIES IN TUNISIA:Evolution and result of « National Program of Rabies Control »RABIES IN TUNISIA:Evolution and result of « National Program of Rabies Control »
RABIES IN TUNISIA:Evolution and result of « National Program of Rabies Control »Pasteur_Tunis
 

Andere mochten auch (12)

How Anemic Objects Kill OOP
How Anemic Objects Kill OOPHow Anemic Objects Kill OOP
How Anemic Objects Kill OOP
 
Object Oriented Lies
Object Oriented LiesObject Oriented Lies
Object Oriented Lies
 
Java vs OOP
Java vs OOPJava vs OOP
Java vs OOP
 
Problems With Chat Bots
Problems With Chat BotsProblems With Chat Bots
Problems With Chat Bots
 
Who Is a Software Architect?
Who Is a Software Architect?Who Is a Software Architect?
Who Is a Software Architect?
 
Management without managers
Management without managersManagement without managers
Management without managers
 
Built-in Fake Objects
Built-in Fake ObjectsBuilt-in Fake Objects
Built-in Fake Objects
 
How Immutability Helps in OOP
How Immutability Helps in OOPHow Immutability Helps in OOP
How Immutability Helps in OOP
 
ORM is a perfect anti-pattern
ORM is a perfect anti-patternORM is a perfect anti-pattern
ORM is a perfect anti-pattern
 
ORM is offensive
ORM is offensiveORM is offensive
ORM is offensive
 
RABIES IN TUNISIA:Evolution and result of « National Program of Rabies Control »
RABIES IN TUNISIA:Evolution and result of « National Program of Rabies Control »RABIES IN TUNISIA:Evolution and result of « National Program of Rabies Control »
RABIES IN TUNISIA:Evolution and result of « National Program of Rabies Control »
 
Chat Bot Architecture
Chat Bot ArchitectureChat Bot Architecture
Chat Bot Architecture
 

Mehr von Yegor Bugayenko

Can Distributed Teams Deliver Quality?
Can Distributed Teams Deliver Quality?Can Distributed Teams Deliver Quality?
Can Distributed Teams Deliver Quality?Yegor Bugayenko
 
Are You Sure You Are Not a Micromanager?
Are You Sure You Are Not a Micromanager?Are You Sure You Are Not a Micromanager?
Are You Sure You Are Not a Micromanager?Yegor Bugayenko
 
On Requirements Management (Demotivate Them Right)
On Requirements Management (Demotivate Them Right)On Requirements Management (Demotivate Them Right)
On Requirements Management (Demotivate Them Right)Yegor Bugayenko
 
My Experience of 1000 Interviews
My Experience of 1000 InterviewsMy Experience of 1000 Interviews
My Experience of 1000 InterviewsYegor Bugayenko
 
Are you sure you are not a micromanager?
Are you sure you are not a micromanager?Are you sure you are not a micromanager?
Are you sure you are not a micromanager?Yegor Bugayenko
 
Quality Assurance vs. Testing
Quality Assurance vs. TestingQuality Assurance vs. Testing
Quality Assurance vs. TestingYegor Bugayenko
 
Typical Pitfalls in Testing
Typical Pitfalls in TestingTypical Pitfalls in Testing
Typical Pitfalls in TestingYegor Bugayenko
 
Software Testing Pitfalls
Software Testing PitfallsSoftware Testing Pitfalls
Software Testing PitfallsYegor Bugayenko
 
Five Trends We Are Afraid Of
Five Trends We Are Afraid OfFive Trends We Are Afraid Of
Five Trends We Are Afraid OfYegor Bugayenko
 
Who Cares About Quality?
Who Cares About Quality?Who Cares About Quality?
Who Cares About Quality?Yegor Bugayenko
 
Zold: a cryptocurrency without Blockchain
Zold: a cryptocurrency without BlockchainZold: a cryptocurrency without Blockchain
Zold: a cryptocurrency without BlockchainYegor Bugayenko
 
How to Cut Corners and Stay Cool
How to Cut Corners and Stay CoolHow to Cut Corners and Stay Cool
How to Cut Corners and Stay CoolYegor Bugayenko
 
Java Annotations Are a Bad Idea
Java Annotations Are a Bad IdeaJava Annotations Are a Bad Idea
Java Annotations Are a Bad IdeaYegor Bugayenko
 

Mehr von Yegor Bugayenko (20)

Can Distributed Teams Deliver Quality?
Can Distributed Teams Deliver Quality?Can Distributed Teams Deliver Quality?
Can Distributed Teams Deliver Quality?
 
Are You Sure You Are Not a Micromanager?
Are You Sure You Are Not a Micromanager?Are You Sure You Are Not a Micromanager?
Are You Sure You Are Not a Micromanager?
 
On Requirements Management (Demotivate Them Right)
On Requirements Management (Demotivate Them Right)On Requirements Management (Demotivate Them Right)
On Requirements Management (Demotivate Them Right)
 
My Experience of 1000 Interviews
My Experience of 1000 InterviewsMy Experience of 1000 Interviews
My Experience of 1000 Interviews
 
Are you sure you are not a micromanager?
Are you sure you are not a micromanager?Are you sure you are not a micromanager?
Are you sure you are not a micromanager?
 
Quality Assurance vs. Testing
Quality Assurance vs. TestingQuality Assurance vs. Testing
Quality Assurance vs. Testing
 
Is Java Getting Better?
Is Java Getting Better?Is Java Getting Better?
Is Java Getting Better?
 
Typical Pitfalls in Testing
Typical Pitfalls in TestingTypical Pitfalls in Testing
Typical Pitfalls in Testing
 
Software Testing Pitfalls
Software Testing PitfallsSoftware Testing Pitfalls
Software Testing Pitfalls
 
Five Trends We Are Afraid Of
Five Trends We Are Afraid OfFive Trends We Are Afraid Of
Five Trends We Are Afraid Of
 
Experts vs Expertise
Experts vs ExpertiseExperts vs Expertise
Experts vs Expertise
 
Who Cares About Quality?
Who Cares About Quality?Who Cares About Quality?
Who Cares About Quality?
 
Quantity vs. Quality
Quantity vs. QualityQuantity vs. Quality
Quantity vs. Quality
 
Experts vs Expertise
Experts vs ExpertiseExperts vs Expertise
Experts vs Expertise
 
Zold: a cryptocurrency without Blockchain
Zold: a cryptocurrency without BlockchainZold: a cryptocurrency without Blockchain
Zold: a cryptocurrency without Blockchain
 
Life Without Blockchain
Life Without BlockchainLife Without Blockchain
Life Without Blockchain
 
How to Cut Corners and Stay Cool
How to Cut Corners and Stay CoolHow to Cut Corners and Stay Cool
How to Cut Corners and Stay Cool
 
Math or Love?
Math or Love?Math or Love?
Math or Love?
 
How much do you cost?
How much do you cost?How much do you cost?
How much do you cost?
 
Java Annotations Are a Bad Idea
Java Annotations Are a Bad IdeaJava Annotations Are a Bad Idea
Java Annotations Are a Bad Idea
 

Kürzlich hochgeladen

Tata AIG General Insurance Company - Insurer Innovation Award 2024
Tata AIG General Insurance Company - Insurer Innovation Award 2024Tata AIG General Insurance Company - Insurer Innovation Award 2024
Tata AIG General Insurance Company - Insurer Innovation Award 2024The Digital Insurer
 
Apidays Singapore 2024 - Building Digital Trust in a Digital Economy by Veron...
Apidays Singapore 2024 - Building Digital Trust in a Digital Economy by Veron...Apidays Singapore 2024 - Building Digital Trust in a Digital Economy by Veron...
Apidays Singapore 2024 - Building Digital Trust in a Digital Economy by Veron...apidays
 
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024The Digital Insurer
 
Understanding Discord NSFW Servers A Guide for Responsible Users.pdf
Understanding Discord NSFW Servers A Guide for Responsible Users.pdfUnderstanding Discord NSFW Servers A Guide for Responsible Users.pdf
Understanding Discord NSFW Servers A Guide for Responsible Users.pdfUK Journal
 
GenAI Risks & Security Meetup 01052024.pdf
GenAI Risks & Security Meetup 01052024.pdfGenAI Risks & Security Meetup 01052024.pdf
GenAI Risks & Security Meetup 01052024.pdflior mazor
 
From Event to Action: Accelerate Your Decision Making with Real-Time Automation
From Event to Action: Accelerate Your Decision Making with Real-Time AutomationFrom Event to Action: Accelerate Your Decision Making with Real-Time Automation
From Event to Action: Accelerate Your Decision Making with Real-Time AutomationSafe Software
 
Powerful Google developer tools for immediate impact! (2023-24 C)
Powerful Google developer tools for immediate impact! (2023-24 C)Powerful Google developer tools for immediate impact! (2023-24 C)
Powerful Google developer tools for immediate impact! (2023-24 C)wesley chun
 
Partners Life - Insurer Innovation Award 2024
Partners Life - Insurer Innovation Award 2024Partners Life - Insurer Innovation Award 2024
Partners Life - Insurer Innovation Award 2024The Digital Insurer
 
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 Takeoffsammart93
 
AWS Community Day CPH - Three problems of Terraform
AWS Community Day CPH - Three problems of TerraformAWS Community Day CPH - Three problems of Terraform
AWS Community Day CPH - Three problems of TerraformAndrey Devyatkin
 
Artificial Intelligence Chap.5 : Uncertainty
Artificial Intelligence Chap.5 : UncertaintyArtificial Intelligence Chap.5 : Uncertainty
Artificial Intelligence Chap.5 : UncertaintyKhushali Kathiriya
 
The 7 Things I Know About Cyber Security After 25 Years | April 2024
The 7 Things I Know About Cyber Security After 25 Years | April 2024The 7 Things I Know About Cyber Security After 25 Years | April 2024
The 7 Things I Know About Cyber Security After 25 Years | April 2024Rafal Los
 
TrustArc Webinar - Stay Ahead of US State Data Privacy Law Developments
TrustArc Webinar - Stay Ahead of US State Data Privacy Law DevelopmentsTrustArc Webinar - Stay Ahead of US State Data Privacy Law Developments
TrustArc Webinar - Stay Ahead of US State Data Privacy Law DevelopmentsTrustArc
 
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...Miguel Araújo
 
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...DianaGray10
 
MINDCTI Revenue Release Quarter One 2024
MINDCTI Revenue Release Quarter One 2024MINDCTI Revenue Release Quarter One 2024
MINDCTI Revenue Release Quarter One 2024MIND CTI
 
Axa Assurance Maroc - Insurer Innovation Award 2024
Axa Assurance Maroc - Insurer Innovation Award 2024Axa Assurance Maroc - Insurer Innovation Award 2024
Axa Assurance Maroc - Insurer Innovation Award 2024The Digital Insurer
 
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024The Digital Insurer
 
How to Troubleshoot Apps for the Modern Connected Worker
How to Troubleshoot Apps for the Modern Connected WorkerHow to Troubleshoot Apps for the Modern Connected Worker
How to Troubleshoot Apps for the Modern Connected WorkerThousandEyes
 
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...apidays
 

Kürzlich hochgeladen (20)

Tata AIG General Insurance Company - Insurer Innovation Award 2024
Tata AIG General Insurance Company - Insurer Innovation Award 2024Tata AIG General Insurance Company - Insurer Innovation Award 2024
Tata AIG General Insurance Company - Insurer Innovation Award 2024
 
Apidays Singapore 2024 - Building Digital Trust in a Digital Economy by Veron...
Apidays Singapore 2024 - Building Digital Trust in a Digital Economy by Veron...Apidays Singapore 2024 - Building Digital Trust in a Digital Economy by Veron...
Apidays Singapore 2024 - Building Digital Trust in a Digital Economy by Veron...
 
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
 
Understanding Discord NSFW Servers A Guide for Responsible Users.pdf
Understanding Discord NSFW Servers A Guide for Responsible Users.pdfUnderstanding Discord NSFW Servers A Guide for Responsible Users.pdf
Understanding Discord NSFW Servers A Guide for Responsible Users.pdf
 
GenAI Risks & Security Meetup 01052024.pdf
GenAI Risks & Security Meetup 01052024.pdfGenAI Risks & Security Meetup 01052024.pdf
GenAI Risks & Security Meetup 01052024.pdf
 
From Event to Action: Accelerate Your Decision Making with Real-Time Automation
From Event to Action: Accelerate Your Decision Making with Real-Time AutomationFrom Event to Action: Accelerate Your Decision Making with Real-Time Automation
From Event to Action: Accelerate Your Decision Making with Real-Time Automation
 
Powerful Google developer tools for immediate impact! (2023-24 C)
Powerful Google developer tools for immediate impact! (2023-24 C)Powerful Google developer tools for immediate impact! (2023-24 C)
Powerful Google developer tools for immediate impact! (2023-24 C)
 
Partners Life - Insurer Innovation Award 2024
Partners Life - Insurer Innovation Award 2024Partners Life - Insurer Innovation Award 2024
Partners Life - Insurer Innovation Award 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
 
AWS Community Day CPH - Three problems of Terraform
AWS Community Day CPH - Three problems of TerraformAWS Community Day CPH - Three problems of Terraform
AWS Community Day CPH - Three problems of Terraform
 
Artificial Intelligence Chap.5 : Uncertainty
Artificial Intelligence Chap.5 : UncertaintyArtificial Intelligence Chap.5 : Uncertainty
Artificial Intelligence Chap.5 : Uncertainty
 
The 7 Things I Know About Cyber Security After 25 Years | April 2024
The 7 Things I Know About Cyber Security After 25 Years | April 2024The 7 Things I Know About Cyber Security After 25 Years | April 2024
The 7 Things I Know About Cyber Security After 25 Years | April 2024
 
TrustArc Webinar - Stay Ahead of US State Data Privacy Law Developments
TrustArc Webinar - Stay Ahead of US State Data Privacy Law DevelopmentsTrustArc Webinar - Stay Ahead of US State Data Privacy Law Developments
TrustArc Webinar - Stay Ahead of US State Data Privacy Law Developments
 
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
Mastering MySQL Database Architecture: Deep Dive into MySQL Shell and MySQL R...
 
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
 
MINDCTI Revenue Release Quarter One 2024
MINDCTI Revenue Release Quarter One 2024MINDCTI Revenue Release Quarter One 2024
MINDCTI Revenue Release Quarter One 2024
 
Axa Assurance Maroc - Insurer Innovation Award 2024
Axa Assurance Maroc - Insurer Innovation Award 2024Axa Assurance Maroc - Insurer Innovation Award 2024
Axa Assurance Maroc - Insurer Innovation Award 2024
 
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
Bajaj Allianz Life Insurance Company - Insurer Innovation Award 2024
 
How to Troubleshoot Apps for the Modern Connected Worker
How to Troubleshoot Apps for the Modern Connected WorkerHow to Troubleshoot Apps for the Modern Connected Worker
How to Troubleshoot Apps for the Modern Connected Worker
 
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...
 

How Do You Know When Your Product is Ready to be Shipped?