testCode.rb

class TestCode

    def fibonacci(num)
      @a = 0
      @b = 1
      if num<0 || (num).to_s.include?('.')
        return nil
      elsif num==1
        return @a
      elsif num==2
        return @b
      end
      for i in 1..(num-2)
        @sum = @a + @b
        @a = @b
        @b = @sum
      end
      return @b
    end

    def readBinary(num)
      return (num.to_s).to_i 2
    end

    def readOctal(octet)
      return (octet.to_s).to_i 8
    end

    def reverseText(text)
      return text.reverse
    end

    def getVowelCount(text)
      @count = 0
      @vowels = ['a','e','i','o','u'];
      text.downcase.split(//).each do |char|
        if @vowels.include? char
          @count = @count + 1
        end
      end
      return @count
    end

    def tidyText(text)
      return text.split(/\s+/).join(" ")
    end

    def reverseWords(text)
      @reversedWords = Array.new;
      text.split(/\s/).each do |word|
        @reversedWords.push(reverseText word)
      end
      return  @reversedWords.join(" ")
    end

    def welcome(input)
      if input.is_a? Integer
        return "hey count"
      elsif input.to_s.include? (".")
        return "hey decimal"
      end
      return "hello text"
    end

end