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Agile Wednesday
Coding Dojo
12. März 2014
The Setting
4 Notebooks
up to 8 Developers
15 Minutes-Sprints
TDD, Pair Programming
After every Sprint: Rotation
TDD Cycle
Write a test
Test fails
Write code, so
that test passes
(not more!)
Refactoring
(Test still
passes)
Pair Programming
Owner of the keyboard
Writes the tests
Writes the code
Focuses on the target
Guides the driver
Proposes next tests
Driver Navigator
Switch roles between sprints!
Rules
Participate!
Respect each other!
Be optimistic!
Dare to fail!
Learning is more important than finishing!
Have fun!
The Dojo
Today, we focus on writing readable and
maintainable code
We validate our objective by rotating every 15
minutes, so that everybody has to understand and
continue working on the code of another team.
The Yahtzee Kata
The game of yahtzee is a simple dice game. Each round, each
player rolls five six sided dice. The player may choose to
reroll some or all of the dice up to three times (including the
original roll). The player then places the roll at a category,
such as ones, twos, sixes, full house etc. If the roll is
compatible with the score, the player gets a score for this roll
according to the rules. If the roll is not compatible, the player
gets a score of zero for this roll.
The kata consists of creating the rules to score a roll in any
of a predefined category. Given a roll and a category, the
final solution should output the score for this roll placed in
this category.
Scoring Examples
Ones, Twos, Threes, Fours, …
Three of a kind
Four of a kind
Small straight
Large straight
Full house
Yahtzee
Chance
3, 2 or 4 points
19 points
17 points
30 points
40 points
25 points
50 points
18 points
Want more?
@agileWH
facebook.com/agilewh
+AgileWH
softwerkskammer.org/groups/hannover
powered by and

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Agile Wednesday Coding Dojo am 12.03.2014

  • 2. The Setting 4 Notebooks up to 8 Developers 15 Minutes-Sprints TDD, Pair Programming After every Sprint: Rotation
  • 3. TDD Cycle Write a test Test fails Write code, so that test passes (not more!) Refactoring (Test still passes)
  • 4. Pair Programming Owner of the keyboard Writes the tests Writes the code Focuses on the target Guides the driver Proposes next tests Driver Navigator Switch roles between sprints!
  • 5. Rules Participate! Respect each other! Be optimistic! Dare to fail! Learning is more important than finishing! Have fun!
  • 6. The Dojo Today, we focus on writing readable and maintainable code We validate our objective by rotating every 15 minutes, so that everybody has to understand and continue working on the code of another team.
  • 7. The Yahtzee Kata The game of yahtzee is a simple dice game. Each round, each player rolls five six sided dice. The player may choose to reroll some or all of the dice up to three times (including the original roll). The player then places the roll at a category, such as ones, twos, sixes, full house etc. If the roll is compatible with the score, the player gets a score for this roll according to the rules. If the roll is not compatible, the player gets a score of zero for this roll. The kata consists of creating the rules to score a roll in any of a predefined category. Given a roll and a category, the final solution should output the score for this roll placed in this category.
  • 8. Scoring Examples Ones, Twos, Threes, Fours, … Three of a kind Four of a kind Small straight Large straight Full house Yahtzee Chance 3, 2 or 4 points 19 points 17 points 30 points 40 points 25 points 50 points 18 points