test_namecase.rb

# -*- coding: utf-8 -*-
#
require 'namecase'
require 'minitest/autorun'

class TestNameCase < Minitest::Test
  def setup
    @proper_names = [
      "Keith",            "Leigh-Williams",       "McCarthy",
      "O'Callaghan",      "St. John",             "von Streit",
      "van Dyke",         "Van",                  "ap Llwyd Dafydd",
      "al Fahd",          "Al",
      "el Grecco",
      "ben Gurion",       "Ben",
      "da Vinci",
      "di Caprio",        "du Pont",              "de Legate",
      "del Crond",        "der Sind",             "van der Post",
      "von Trapp",        "la Poisson",           "le Figaro",
      "Mack Knife",       "Dougal MacDonald",
      "Ruiz y Picasso",   "Dato e Iradier",       "Mas i Gavarró",
      # Mac exceptions
      "Machin",           "Machlin",              "Machar",
      "Mackle",           "Macklin",              "Mackie",
      "Macquarie",        "Machado",              "Macevicius",
      "Maciulis",         "Macias",               "MacMurdo",
      # Roman numerals
      "Henry VIII",       "Louis III",            "Louis XIV",
      "Charles II",       "Fred XLIX",            "Yusof bin Ishak",
    ]
  end

  def test_namecase
    @proper_names.each do |name|
      assert_equal(name, NameCase(name.downcase))
      n = name.dup
      n.extend(NameCase)
      assert_equal(name, n.nc)
      assert_equal(name, NameCase(name))
    end
  end

  def test_namecase_modify
    @proper_names.each do |name|
      nc_name = NameCase!(name.downcase)
      assert_equal(name, nc_name)
    end
  end

  def test_namecase_multibyte
    proper_cased = 'Iñtërnâtiônàlizætiøn'
    nc_name = NameCase(proper_cased.downcase)
    assert_equal(proper_cased, nc_name)
  end

  def test_that_it_skips_son_or_daughter_of_formatting
    names = ["De Shawn", "Da'Quan", "Le'Andre", "La Tonya"]

    names.each do |name|
      nc_name = NameCase(name.downcase, son_or_daughter_of: false)
      assert_equal(name, nc_name)
    end
  end
end