tabletop-companion/test/services/dice_roller_test.rb

# frozen_string_literal: true

require "test_helper"

class DiceRollerTest < ActiveSupport::TestCase
  test "correctly validates strings" do
    valid_strings = [
      "2d6",
      "12",
      "self",
      "1d12",
      "1d20+self",
      "8+1D8-self",
    ]

    invalid_strings = [
      "+",
      "sel+10",
      "1d8++13",
    ]

    valid_strings.each do |roll_command|
      assert DiceRoller.new(roll_command).valid?
    end

    invalid_strings.each do |roll_command|
      assert_not DiceRoller.new(roll_command).valid?
    end
  end

  test "rolls appropriate results" do
    100.times do
      assert (1..6).include? DiceRoller.new("1d6").roll
      assert (2..12).include? DiceRoller.new("2d6").roll
      assert (11..30).include? DiceRoller.new("1d20+self", stat: stats(:strength)).roll
    end
  end
end