deck_spec.rb

require_relative 'deck' 

RSpec.describe Deck do
  SUITS = ['Spades', 'Hearts', 'Clubs', 'Diamonds']
  RANKS = ['2', '3', '4', '5', '6', '7', '8', '9', '10', 'Jack', 'Queen', 'King', 'Ace']

  before do  
    @deck = Deck.new(SUITS,RANKS)
  end

  it 'responds to deck' do
    expect(@deck).to respond_to(:deck) 
  end
  it 'responds to suits' do
    expect(@deck).to respond_to(:suits) 
  end
  it 'responds to ranks' do
    expect(@deck).to respond_to(:ranks) 
  end
  it 'responds to shuffle' do
    expect(@deck).to respond_to(:shuffle) 
  end
  it 'responds to deal_card' do
    expect(@deck).to respond_to(:deal_card)
  end
  it 'responds to replace_with' do
    expect(@deck).to respond_to(:replace_with)
  end

  it 'pops off the stack when a card is dealt' do
    #shuffle deck
    #dealt card will be last card that needs to be popped off
    #expect deal_card to equal dealt card
    dealt_card = @deck.shuffle.last
    expect(@deck.deal_card).to eq(dealt_card)
  end

  it 'dealt card cannot be nil' do
    expect(@deck.deal_card).not_to eq(nil)
  end

  it 'gets a new deck with replace_with' do
    deck_of_cards = []
    deck_of_cards.push(Card.new('Clubs','2'))
    deck_of_cards.push(Card.new('Clubs','3'))
    new_deck= @deck.dup
    new_deck.replace_with(deck_of_cards)
    expect(@deck.deck).not_to eq(new_deck.deck)
  end
end