🤖
Automated tests
@yjaaidi
🤖
Automated tests
🐞
Less bugs
@yjaaidi
🤖
Automated tests
✨
Quality
🐞
Less bugs
Not Visible
Visible
@yjaaidi
🤖
Automated tests
✨
Quality
🐞
Less bugs
Not Visible
Visible
🥵
Stop testing
every change
manually
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
✨
Quality
🐞
Less bugs
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
✨
Quality
🐞
Less bugs
🐇
Faster time
to market
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🐇
Faster time
to market
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🐇
Faster time
to market
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🐇
Faster time
to market
⚽️
Collective
ownership
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🐇
Faster time
to market
⚽️
Collective
ownership
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🛠
Refactoring
🐇
Faster time
to market
⚽️
Collective
ownership
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🛠
Refactoring
🐇
Faster time
to market
⚽️
Collective
ownership
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🛠
Refactoring
🐇
Faster time
to market
⚽️
Collective
ownership
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🛠
Refactoring
🐇
Faster time
to market
⚽️
Collective
ownership
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🛠
Refactoring
🐇
Faster time
to market
⚽️
Collective
ownership
♻️
Update
dependencies
automatically
(or frequently)
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🛠
Refactoring
🐇
Faster time
to market
⚽️
Collective
ownership
♻️
Update
dependencies
automatically
(or frequently)
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🛠
Refactoring
🐇
Faster time
to market
⚽️
Collective
ownership
♻️
Update
dependencies
automatically
(or frequently)
Not Visible
Visible
@yjaaidi
🥵
Stop testing
every change
manually
⚡️
Faster
development
🤖
Automated tests
💪
Confidence
✨
Quality
🐞
Less bugs
🛠
Refactoring
🐇
Faster time
to market
⚽️
Collective
ownership
♻️
Update
dependencies
automatically
(or frequently)
🥳
Pleasure
Not Visible
Visible
@yjaaidi
Tests are the best documentation
@yjaaidi
🌏 More surface
🦋 Symmetric
you get the exact doc of the version you are using
🚀 Up-to-date
asDiagram('count')('should count the values of an observable', () => {
const source = hot('--a--b--c--|');
const expected = '-----------(x|)';
expectObservable(source.pipe(count())).toBe(expected, {x: 3});
});
@yjaaidi
Test-Driven Development
⏰
Write tests first
@yjaaidi
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
@yjaaidi
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🏁
Know when you are done
@yjaaidi
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
@yjaaidi
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
@yjaaidi
📉
Less code
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
🔗
Not coupled
to implementation
🚫
@yjaaidi
📉
Less code
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
🔗
Not coupled
to implementation
🚫
@yjaaidi
📉
Less code
💵
Cheap
Refactoring
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
🎯
Share intention
🔗
Not coupled
to implementation
🚫
@yjaaidi
📉
Less code
💵
Cheap
Refactoring
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
🎯
Share intention
🔁
Early feedback
🔗
Not coupled
to implementation
🚫
@yjaaidi
📉
Less code
💵
Cheap
Refactoring
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🛀
Relaxed implementation
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
🎯
Share intention
🔁
Early feedback
🔗
Not coupled
to implementation
🚫
@yjaaidi
📉
Less code
💵
Cheap
Refactoring
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🛀
Relaxed implementation
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
🎯
Share intention
🔁
Early feedback
🔗
Not coupled
to implementation
🚫
@yjaaidi
📉
Less code
💵
Cheap
Refactoring
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🛀
Relaxed implementation
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
🎯
Share intention
🔁
Early feedback
🔗
Not coupled
to implementation
🚫
@yjaaidi
📉
Less code
💵
Cheap
Refactoring
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🛀
Relaxed implementation
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
🎯
Share intention
🔁
Early feedback
🔗
Not coupled
to implementation
🚫
@yjaaidi
📉
Less code
💵
Cheap
Refactoring
Test-Driven Development
⏰
Write tests first
👷♂️
Focus on the feature
🛀
Relaxed implementation
🏁
Know when you are done
🏭
Avoid Artificial
Complexity
🎯
Share intention
🔁
Early feedback
🔗
Not coupled
to implementation
🚫
💉
TDD
Addiction
@yjaaidi
📉
Less code
💵
Cheap
Refactoring
TDD Limitations
@yjaaidi
🙍🏻♂️ Doesn't enforce collective ownership
🐘 Doesn't encourage small changes
🦋 Doesn't solve asymmetry
🚫
Timeboxed TDD
@yjaaidi
⏳
Reset timer
⌛️
Timeout
🗜
Test
⌨️
Code
✅
OK
☁
Commit
& Push
🔥
Revert
🚨
Fail
Few
minutes
Test && Commit || Revert
@yjaaidi
Lars Barlindhaug
Kent Beck
Ole Tjensvoll Johannessen
initiated in Oslo 🇳🇴
by
@barlindh
@kentbeck
Oddmund Strømme
@jraregris
💡 An idea from
Test && Commit || Revert
@yjaaidi
🗜
Test
⌨️
Code
✅
OK
☁
Commit
& Push
🔥
Revert
🚨
Fail
👨🏻🏫 Web Dev, XP & Security Trainings
💻 Remote Consulting Sessions
🎯 Consulting & XP Coaching
@yjaaidi