thatrubylove

Rank = Struct.new(:rank, :value) do
  def to_s; rank; end
end

Card = Struct.new(:rank, :suit) do
  def to_s; "#{rank} of #{suit}"; end
end

class Deck
  SUITS = %w(hearts clubs spades diamonds)

thatrubylove

# Conditional reach-around

User = Struct.new(:name, :role) do; end

def greet(user)
  if user.name && user.role
    "Hello, I am an #{user.role} user. My name is #{user.name}."
  elsif user.name
    "Hello, my name is #{user.name}."
  else

thatrubylove

DECK = %w[Ace 2 3 4 5 6 7 8 9 10 Jack Queen King].product(%w[Clubs Diamonds Hearts Spades]).map {|rank, suit| "#{rank} of #{suit}" }

thatrubylove

require 'minitest/autorun'

describe "#lines_after_word(lines, target)" do
  let(:file)  { File.expand_path("../innisfree.txt", __FILE__) }
  let(:lines) { File.readlines(file) }

  it "must return an empty array if no lines include the target word" do
    lines_after_word(lines, "hola").must_equal []
  end
end

thatrubylove

def lines_after_word(lines, target)
  index = lines.find_index {|line| line =~ /#{target}/ }
  index.nil? ? [] : ""
end

thatrubylove

require 'minitest/autorun'

describe "#lines_after_word(lines, target)" do
  let(:lines) { File.readlines(File.expand_path("../innisfree.txt", __FILE__)) }

  it "must return all the lines if the first line includes the target word" do
    lines_after_word(lines, "Innisfree").count.must_equal lines.count
  end
end

thatrubylove

def lines_after_word(lines, target)
  index = lines.find_index {|line| line =~ /#{target}/ }
  index.nil? ? [] : lines[index..-1]
end

thatrubylove

require 'minitest/autorun'

describe "#lines_after_word(lines, target)" do
  let(:lines) { File.readlines(File.expand_path("../innisfree.txt", __FILE__)) }

  it "must return the last 7 lines if the 8th line matches the target word" do
    lines_after_word(lines, "glimmer").count.must_equal 7
  end
end

thatrubylove

Rank = Struct.new(:rank, :value) do
  def to_s; rank; end
end

thatrubylove

require 'values'

class Rank < Value.new(:rank, :value)
  def to_s
    rank.to_s.capitalize
  end
end