gistfile1.txt

IntegerArrayToString.rb

module IntegerArrayToString
    def asString
        return self.join(",")
    end
end

IntegerArrayToString.Test.rb

require "test/unit"
require "./IntegerArrayToString.rb"

class Suite < Test::Unit::TestCase

    Array.include IntegerArrayToString

    def test_GetArrayAsString
    
        randomNumber = Random.new.rand(1..100)
    
        actual   = [randomNumber, randomNumber].asString()
        expected = "#{randomNumber},#{randomNumber}"
        
        assert_equal(expected, actual)
    end
end

StringToIntegerArray.rb

module StringToIntegerArray
    def asArray
        return self.split(",").map(&:to_i)
    end
end

StringToIntegerArray.Test.rb

require "test/unit"
require "./StringToIntegerArray.rb"

class Suite < Test::Unit::TestCase

    String.include StringToIntegerArray

    def test_GetStringAsArray
    
        randomNumber = Random.new.rand(1..100)
    
        actual   = "#{randomNumber},#{randomNumber}".asArray()
        expected = [randomNumber,randomNumber]
        
        assert_equal(expected, actual)
    end
end