War or Peace - Iteration 4

Back to Project Home
Back to Requirements

Iteration 4

Loading Text Files

Right now, we’re hardcoding the cards into our runner. Wouldn’t it be nice to have file of card information to use?

Let’s build an object that will read in a text file and generate cards. Remember to using TDD for this iteration!

Assuming we have a text file cards.txt that looks like this (but with all 52 cards):

2, Heart, 2
3, Heart, 3
4, Heart, 4
5, Heart, 5
6, Heart, 6
7, Heart, 7
8, Heart, 8
9, Heart, 9
10, Heart, 10
Jack, Heart, 11
Queen, Heart, 12
King, Heart, 13
Ace, Heart, 14
...

Then we should be able to do this:

pry(main)> require './lib/card_generator'
#=> true

pry(main)> filename = "cards.txt"
#=> "cards.txt"

pry(main)> cards = CardGenerator.new(filename).cards
#=> [#<Card:0x007f9f1413cbe8...>, ... #<Card:0x007f9f1413c2b0...>]

Modify your program so that when you run ruby war_or_peace_runner.rb, it uses cards from cards.txt instead of hardcoded cards.