# frozen_string_literal: true

RSpec.describe TTY::Prompt::Question, "#modify" do
  subject(:prompt) { TTY::Prompt::Test.new }

  it "preserves answer for unkown modification" do
    prompt.input << "piotr"
    prompt.input.rewind
    answer = prompt.ask("What is your name?") { |q| q.modify(:none) }
    expect(answer).to eq("piotr")
  end

  it "converts to upper case" do
    prompt.input << "piotr"
    prompt.input.rewind
    answer = prompt.ask("What is your name?") { |q| q.modify(:upcase) }
    expect(answer).to eq("PIOTR")
  end

  it "trims whitespace" do
    prompt.input << " Some   white\t   space\t \there!   \n"
    prompt.input.rewind
    answer = prompt.ask("Enter some text: ") { |q| q.modify(:trim) }
    expect(answer).to eq("Some   white\t   space\t \there!")
  end

  it "collapses whitespace" do
    prompt.input << " Some   white\t   space\t \there!   \n"
    prompt.input.rewind
    answer = prompt.ask("Enter some text: ") { |q| q.modify(:collapse) }
    expect(answer).to eq(" Some white space here! ")
  end

  it "strips and collapses whitespace" do
    prompt.input << " Some   white\t   space\t \there!   \n"
    prompt.input.rewind
    answer = prompt.ask("Enter some text: ") { |q| q.modify(:strip, :collapse) }
    expect(answer).to eq("Some white space here!")
  end
end