Acronymize solution

acronymize.rb

# CEO - Chief Executive Officer
# ASAP - as soon as possible
# DIY - DO IT YOURSELF


def acronymize(sentence)
  # sentence.upcase.split.map(&:chr).join

  # TODO: return the acronym for the sentence
  # split the sentences into words
  # take the first letter of each word
  # capitalize it
  # join it together
  # return a string

  words = sentence.split
  # letters = []
  letters = ""

  words.each do |word|
    # letters << word[0].capitalize
    letters += word[0].capitalize
  end
  # letters.join
  letters
end

acronymize_spec.rb

require_relative './acronymize'

RSpec.describe "#acronymize" do
  it "returns the acronym for sentences with capital words" do
    sentence = "Chief Executive Officer"
    output = acronymize(sentence)

    expect(output).to eq("CEO")
  end

  it "returns the acronym for downcased sentences" do
    sentence = "as soon as possible"
    output = acronymize(sentence)

    expect(output).to eq("ASAP")
  end

  it "return the acronym for upcased sentences" do
    sentence = "DO IT YOURSELF"
    output = acronymize(sentence)

    expect(output).to eq("DIY")
  end
end


# CEO - Chief Executive Officer
# ASAP - as soon as possible
# DIY - DO IT YOURSELF