card_spec.rb

require_relative 'card'

RSpec.describe Card do
  before do
    suit = "Diamonds"
    rank = "8"

    @card = Card.new(suit, rank)
  end
  it 'responds to suit' do
    expect(@card).to respond_to(:suit) 
  end

  it 'responds to rank' do
    expect(@card).to respond_to(:rank) 
  end

  it 'responds to show' do
    expect(@card).to respond_to(:show) 
  end

  it "'show' method returns 'true'" do
    expect(@card.show).to eq(true)
  end
  it "'suit' method returns 'Diamonds'" do
    expect(@card.suit).to eq('Diamonds')
  end
  it "'rank' method returns '8'" do
    expect(@card.rank).to eq("8")
  end

  it "outputs rank and suit if 'show' is true" do
    expect("#{@card}").to eq("#{@card.rank} of #{@card.suit}")
  end

  it "does not output anything if 'show' is false" do
    @card.show = false
    expect("#{@card}").to eq("")
  end
end