Created with Copy to Gist

PrimeFactorsSpec1.groovy

package primefactors

import spock.lang.Specification

class PrimeFactorsSpec extends Specification{
    def "api to t test nothing"(){
        expect: "nothing" == "nothing"
    }

    def "API to test prime factors of given integer"(){
        expect: "factorsOf(n) will return list with n's prime factors"
            factorsOf(n) == lst
        where:
        n           |          lst
        1           |       []
        2           |       [2]



    }

    List<Integer> factorsOf(int n){
        List<Integer> factors = []
        if(n>1) {
            factors << 2
        }
        return factors
    }
}