Potter

Using Google’s Guava I can considerably simplify my implementation. I trust Google developers. Those guys generally know their handiwork. After this refactoring, I’m finally content with my implementation. ► All Potter Kata Episodes: http://goo.gl/m9E4vF ► Let’s Develop! http://letsdeveloper.com ► Don’t Miss an Episode: http://goo.gl/whzDi1 ► CodingDojo: http://codingdojo.org/cgi-bin/index.pl?KataPotter ► The Code: […]

Code Kata – Potter #7 – Introducing Google’s Guava

14 Feb, 2015 in Code Kata / Let's Develop / Potter tagged Guava / TDD by letsdeveloper

Finally, let’s add the discount rule for 5 books. To finish it up, I write some more tests, including an integration example, to see if everything works. All functionality is in the code, but I smell potential for improvements! ► All Potter Kata Episodes: http://goo.gl/m9E4vF ► Let’s Develop! http://letsdeveloper.com ► […]

Code Kata – Potter #6 – Discount for 5 Books ...

14 Feb, 2015 in Code Kata / Let's Develop / Potter tagged TDD by letsdeveloper

Discounts for 2 books are now granted. Let’s add the rules for 3 and 4 books, to show our generosity to the customers. Implementing this is fairly easy. Apparently, my previous work was not too bad 😉 ► All Potter Kata Episodes: http://goo.gl/m9E4vF ► Let’s Develop! http://letsdeveloper.com ► Don’t Miss […]

Code Kata – Potter #5 – Discount for 3 & ...

14 Feb, 2015 in Code Kata / Let's Develop / Potter tagged TDD by letsdeveloper

Now that the preparations are done, we can apply the 2-book-discount rule to every pair of books in our order. This finally makes our test go green! ► All Potter Kata Episodes: http://goo.gl/m9E4vF ► Let’s Develop! http://letsdeveloper.com ► Don’t Miss an Episode: http://goo.gl/whzDi1 ► CodingDojo: http://codingdojo.org/cgi-bin/index.pl?KataPotter ► The Code: https://github.com/letsdeveloper/Lets-Develop-Code-Kata […]

Code Kata – Potter #4 – Discount on all Pairs

13 Feb, 2015 in Code Kata / Let's Develop / Potter tagged TDD by letsdeveloper

To finish the implementation of the 2-book-discount rule we need to apply it to every pair of books in the order. Therefore, we need to detect pairs and handle them. In this episode, I prepare the implementation for this. ► All Potter Kata Episodes: http://goo.gl/m9E4vF ► Let’s Develop! http://letsdeveloper.com ► […]

Code Kata – Potter #3 – Identify Book Pairs

8 Feb, 2015 in Code Kata / Let's Develop / Potter tagged TDD by letsdeveloper

In this second episode, I introduce the concept of discount intro my implementation. Though a simple step, I put some thought into clean infrastructure and take the time to refactor my initial solution. ► See Introduction: http://youtu.be/3rgo0-hfDgk ► All Potter Kata Episodes: http://goo.gl/m9E4vF ► Let’s Develop! http://letsdeveloper.com ► Don’t Miss […]

Code Kata – Potter #2 – Introducing Discount

6 Feb, 2015 in Code Kata / Let's Develop / Potter tagged TDD by letsdeveloper

In this first episode about me implementing the Potter Kata, I create a basic infrastructure for the logic. Test-driven, of course. Thereby, I design the interface of the price calculation component. ► See Introduction: http://youtu.be/3rgo0-hfDgk ► All Code Kata: http://goo.gl/uTSO9B ► Let’s Develop! http://letsdeveloper.com ► Don’t Miss an Episode: http://goo.gl/whzDi1 […]

Code Kata – Potter #1 – Designing the Interface

2 Feb, 2015 in Code Kata / Let's Develop / Potter tagged TDD by letsdeveloper

The Potter Kata is a magical one about an english hero called Harry. In this episode, I explain the problem we’re going to face. Get you wands ready. ► All Code Kata: http://goo.gl/uTSO9B ► Let’s Develop! http://letsdeveloper.com ► Don’t Miss an Episode: http://goo.gl/whzDi1 ► CodingDojo: http://codingdojo.org/cgi-bin/index.pl?KataPotter «Code Kata» Code Kata […]

Code Kata – Potter – Intro

26 Jan, 2015 in Code Kata / Let's Develop / Potter tagged TDD by letsdeveloper