Código generado en el Coding Dojo del 10/07/2010 por @lordudun @pitbcn @sourcerebels (TheCube)

TheCubeTests.groovy

package com.sourcebels

import groovy.util.GroovyTestCase;

class TheCube {
	
	public boolean containsPrimeNumber(String code1, String code2, String code3) {
		
		if (isPrimeNumber(sumDigits(code1)) ||
			isPrimeNumber(sumDigits(code2)) ||
			isPrimeNumber(sumDigits(code3)) ) {
			return true
		}
		return false
	}
	
	public boolean isPrimeNumber(Integer number) {
		
		int previousNumber = number - 1
		for (; previousNumber > 1 ; previousNumber --)  {
			if (number % previousNumber == 0) {
				return false
			}
		}
		return true
	}
	
	public Integer sumDigits(String code) {
		
		Integer sum = 0;
		for (int pos = 0; pos < code.length(); pos++) {
			
			sum += Integer.valueOf(code[pos])
			
		}
		return sum
	}
}

class TheCubeTests extends GroovyTestCase {
	
	private TheCube theCube
	
	public void setUp() {
		theCube = new TheCube()
	}
	
	public void testShouldReturnFalse() {
		
		assertFalse(theCube.containsPrimeNumber("6", "6", "6"))
		
		assertFalse(theCube.containsPrimeNumber("24", "44", "66"))
	}
	
	public void testShouldReturnTrue() {
		
		assertTrue(theCube.containsPrimeNumber("7", "6", "6"))
		assertTrue(theCube.containsPrimeNumber("6", "7", "6"))
		assertTrue(theCube.containsPrimeNumber("6", "6", "7"))
		assertTrue(theCube.containsPrimeNumber("6", "7", "7"))
		assertTrue(theCube.containsPrimeNumber("7", "7", "7"))
		
		assertTrue(theCube.containsPrimeNumber("6", "6", "43"))
		assertTrue(theCube.containsPrimeNumber("21", "6", "6"))
		
		assertTrue(theCube.containsPrimeNumber("34", "6", "6"))
		assertTrue(theCube.containsPrimeNumber("6", "34", "6"))
	}
}