3.rb

require_relative "echo"

require "minitest/autorun"
require 'securerandom'

class TestEcho < Minitest::Test

  def setup
    @echo = Echo.new
  end

  def test_simple_scenario
    @echo.miau 'one'
    assert_equal 'one', @echo.miau
  end

  def test_for_smart_asses
    string = SecureRandom.hex
    number = SecureRandom.random_number 100

    @echo.public_send(string, number)

    assert_equal number, @echo.public_send(string)

    @echo_2 = Echo.new
    assert_equal number, @echo_2.public_send(string)
  end
end