War or Peace - Iteration 1
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Iteration 1
Cards
A Card represents a single card that would be in a traditional deck of 52 cards.
Use the tests provided to drive the development of your Card class. From the root directory of your project, run the test like this:
rspec spec/card_spec.rb
If you haven’t already, you will need to install rspec:
gem install rspec
If your Card class is written properly and is located at ./lib/card.rb, you should be able to open a pry session from your war_or_peace directory and interact with it like so:
# double check that you are in your war_or_peace project directory!
pry(main)> require './lib/card'
#=> true
pry(main)> card = Card.new(:heart, 'Jack', 11)
#=> #<Card:0x007fbda8a88348 @rank=11, @suit=:heart, @value="Jack">
pry(main)> card.suit
#=> :heart
pry(main)> card.value
#=> "Jack"
pry(main)> card.rank
#=> 11
Deck
Create a Deck class and an accompanying test file with the following instance methods:
initialize: this method will take one argument - an array of cards.cards: an attr_reader to read the@cardsattributerank_of_card_at: this method will take one argument that represents the index location of a card to be used (typically0or2more on this later 😉 ) and will return the rank of that card.high_ranking_cards: this method will return an array of cards in the deck that have a rank of 11 or above (face cards and aces)percent_high_ranking: this method will return the percentage of cards that are high rankingremove_card: this method will remove the top card from the deckadd_card: this method will add one card to the bottom (end) of the deck
Use the interaction pattern below to help you build your Deck test and Deck class.
Remember, #<Card:0x00randomletters&nums...> means “A Card Object” or “An Instance of the Card Class”. If you need to verify which card object it is, you can refer to the last few digits of the ‘random’ letters and numbers and match those to a card that is created near the top of the interaction pattern.
pry(main)> require './lib/card'
#=> true
pry(main)> require './lib/deck'
#=> true
pry(main)> card1 = Card.new(:diamond, 'Queen', 12)
#=> #<Card:0x007fbfd18490e8...>
pry(main)> card2 = Card.new(:spade, '3', 3)
#=> #<Card:0x007fbfd19f4fa0...>
pry(main)> card3 = Card.new(:heart, 'Ace', 14)
#=> #<Card:0x007fbfd18555a0...>
pry(main)> cards = [card1, card2, card3]
pry(main)> deck = Deck.new(cards)
#=> #<Deck:0x007fbfd2984808 @cards=[#<Card:0x007fbfd18490e8...>, #<Card:0x007fbfd19f4fa0...>, #<Card:0x007fbfd18555a0...>]>
pry(main)> deck.cards
#=> [#<Card:0x007fbfd18490e8...>, #<Card:0x007fbfd19f4fa0...>, #<Card:0x007fbfd18555a0...>]
pry(main)> deck.rank_of_card_at(0)
#=> 12
pry(main)> deck.rank_of_card_at(2)
#=> 14
pry(main)> deck.cards
#=> [#<Card:0x007fbfd18490e8...>, #<Card:0x007fbfd19f4fa0...>, #<Card:0x007fbfd18555a0...>]
pry(main)> deck.high_ranking_cards
#=> [#<Card:0x007fbfd18490e8...>, #<Card:0x007fbfd18555a0...>]
pry(main)> deck.percent_high_ranking
#=> 66.67
pry(main)> deck.remove_card
#=> #<Card:0x007fbfd18490e8 @rank=12, @suit=:diamond, @value="Queen">
pry(main)> deck.cards
#=> [#<Card:0x007fbfd19f4fa0...>, #<Card:0x007fbfd18555a0...>]
pry(main)> deck.high_ranking_cards
#=> [#<Card:0x007fbfd18555a0...>]
pry(main)> deck.percent_high_ranking
#=> 50.0
pry(main)> card4 = Card.new(:club, '5', 5)
#=> #<Card:0x007fbfd2963978 @rank=5, @suit=:club, @value="5">
pry(main)> deck.add_card(card4)
pry(main)> deck.cards
#=> [#<Card:0x007fbfd19f4fa0...>, #<Card:0x007fbfd18555a0...>, #<Card:0x007fbfd2963978...>]
pry(main)> deck.high_ranking_cards
#=> [#<Card:0x007fbfd18555a0...>]
pry(main)> deck.percent_high_ranking
#=> 33.33
