Exercism Ruby - Two Fer

Two-fer or 2-fer is short for two for one. One for you and one for me.

"One for X, one for me."

When X is a name or "you".

If the given name is "Alice", the result should be "One for Alice, one for me." If no name is given, the result should be "One for you, one for me."

Source wikipedia Two-fer

require 'minitest/autorun'
require_relative 'two_fer'

# Common test data version: 1.2.0 4fc1acb
class TwoFerTest < Minitest::Test
  def test_no_name_given
    assert_equal "One for you, one for me.", TwoFer.two_fer
  end

  def test_a_name_given
    assert_equal "One for Alice, one for me.", TwoFer.two_fer("Alice")
  end

  def test_another_name_given
    assert_equal "One for Bob, one for me.", TwoFer.two_fer("Bob")
  end
end

class TwoFer
  def self.two_fer name = "you"
    "One for #{name}, one for me."
  end
end