brewing beer the agile way - what testers can learn from brewing beer
TRANSCRIPT
Brewing The agile way
Eddy Bruin
A story about beer development and tasting
Bram Bronneberg
Eddy Bruin Bram Bronneberg
Once upon a time…
The perfect beer for ATD
Where to start? Market research!
Checking the basics
What type of beers?AltbierBerliner WeisseBockDampfbierDoppelbockDunkelEisbockGoseHellesKellerbierKölschKottbusserMaibockMalt beerMärzenPilsnerRauchbierRoggenbierSchwarzbierWeissbierZoigl
Pilsner 68%Weissbier 10%
Schwarzbier 2%
What do germans like?
Sweetspot
Between Alcohol 5,1 and 5,6%
So what does this all tell us?
So we present you!!!
<Breyk>Type: Rye pale ale
Estimated OG: Cat. I – 1,050 (12,5⁰ P)
Estimated FG: 1,007 (2⁰ P)
Bitterness: 26 EBU/IBU
Color: EBC: 16 / SRM: 8
Features
≠User Experience
#1
Brewing The agile way
A story about beer development and tasting
A story about product development and testing
The brewing processour first batch
Milling
Mashing
Lautering
Boiling
Cooling
Fermenting
Packaging
Brewing a prototype
Brewing a prototype
You might not need to have a big infrastructure to test the business value of your idea
#2
Testing our prototype
How did we test?
Source: Gojko Adzic
Did we look at all levels of quality?
Testing our prototype
Traditional Test Focus
New product?Test business
assumptions over functional quality
#3
Prototype #2 and evolution
Feedback Improvement
Lacking “nose” Reducing boiling time of hops
Strange sweetness Use different dry hops
To little carbonation Increasing bottle sugar
Lighter taste color than expected Increase the Rye content
• Science behind the recipe• Calculated Bitterness
• Calculated Color
• Calculated Alcohol percentage
• Science behind the brewing• Mashing steps
• Evaporation+purching
• Science behind the water!
Putting the craft in to craftsmanship
Predicting beer color
Predicting beer bitterness
IBUs = U% * (ALPHA% * W_OZ * 0.7489)
(V_Gal)
Beer brewing is empirical and a
craftsmanship that NOT just everybody
can do
#4
The Final Batch
x 40
Maintainability Compliancy
Context can change quality expectations
#5
What can testers learn from brewing beer?Features ≠ User Experience
The user’s experience will lead to success or failure
You might not need to have a big infrastructure to test the business value of your idea
Find out if you need to integrate with a big infrastructure from the beginning
New product? Test business assumptions over functional quality
Determine what makes the project a success and test for this first
Beer brewing/Testing is empirical and a craftsmanship that NOT just everybody can do
From repetition and experimentation one gains mastery
Context can change quality expectations
Not all quality attriubutes are equally important in a certain point of time
Big thanks to …
<Br>eaking <Br>ewery
Hey, we just met youAnd this is crazy
So here’s our twitter So tweet us maybe?!
@eddybruin
[email protected]@polteq.com
@brambronneberg
