Kata #1 (PHP) Webcast Agilityfeat. https://plus.google.com/114642677983172790710/posts/erAyjcXgkLp

fizzbuzz.php

<?php
 
 
class FizzBuzz
{
    static public function categorize($num) {
        $result = '';
        if($num === 0){
            return '0';
        }
 
        $result .= FizzBuzz::isFizz($num);
        $result .= FizzBuzz::isBuzz($num);
 
        if($result === ''){
            $result = (string) $num;
        }
        return $result;
    }
 
    static private function isFizz($num){
        return $num % 3 === 0 ? 'fizz' : '';
    }
 
    static private function isBuzz($num){
        return $num % 5 === 0 ? 'buzz' : '';
    }
}

test_fizzbuzz.php

<?php
require 'fizzbuzz.php';
 
class TestFizzBuzz extends PHPUnit_Framework_TestCase
{
    public function testCategorizeAsIs(){
        $this->assertEquals('0', FizzBuzz::categorize(0));
        $this->assertEquals('1', FizzBuzz::categorize(1));
    }
 
    public function testCategorizeBuzz(){
        $this->assertEquals('buzz', FizzBuzz::categorize(5));
        $this->assertEquals('buzz', FizzBuzz::categorize(10));
    }
 
    public function testCategorizeFizz(){
        $this->assertEquals('fizz', FizzBuzz::categorize(3));
        $this->assertEquals('fizz', FizzBuzz::categorize(6));
    }
 
    public function testCategorizeFizzBuzz(){
        $this->assertEquals('fizzbuzz', FizzBuzz::categorize(30));
        $this->assertEquals('fizzbuzz', FizzBuzz::categorize(15));
    }
}