# frozen_string_literal: true

#--
# gravaty
# rubocop:disable Style/AsciiComments
# © 2013 Marco Bresciani
# rubocop:enable Style/AsciiComments
#
# This file is part of gravaty.
#
# gravaty is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# gravaty is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with gravaty. If not, see <http://www.gnu.org/licenses/>.
#
# SPDX-FileCopyrightText: 2013 Marco Bresciani
#
# SPDX-License-Identifier: GPL-3.0-or-later
#++

require_relative '../../test_helper'

def test_nil
  describe 'when passed a nil email address' do
    it 'must return nil' do
      _(Gravaty::Utils::Rfc5322::EMAIL.match(nil)).must_be_nil
    end
  end
end

def test_invalid
  describe 'when passed an invalid email address, according to RF5322' do
    # This test does not pass with 'Joe Q. Public
    # <john.q.public@example.com>' email: see
    # <https://tools.ietf.org/html/rfc5322#appendix-A.1.2> that is: it
    # matches the address even if it has no double-quotes as specified
    # in RFC 5322.
    #
    # Note that the display names for Joe Q. Public and Giant; "Big" Box
    # needed to be enclosed in double-quotes because the former contains
    # the period and the latter contains both semicolon and double-quote
    # characters (the double-quote characters appearing as quoted-pair
    # constructs).
    ['-.', 'Joe Q. Public <john.q.public@example.com>']
      .each do |invalid_address|
      it "must return nil for '#{invalid_address}' invalid address" do
        skip 'This test does not pass.'
        _(Gravaty::Utils::Rfc5322::EMAIL.match invalid_address).must_be_nil
      end
    end
  end
end

TEST_ADDRESSES = ['John Doe <jdoe@machine.example>', 'Mary Smith <mary@example.net>',
                  'Mary Smith <mary@example.net>',
                  # rubocop:disable Layout/LineLength
                  "A Group(Some people)\n    :Chris Jones <c@(Chris's host.)public.example>,\n            joe@example.org,\n     John <jdoe@one.test> (my dear friend);",
                  # rubocop:enable Layout/LineLength
                  'Who? <one@y.test>', '"Joe Q. Public" <john.q.public@example.com>',
                  '"Giant; \"Big\" Box" <sysservices@example.net>',
                  'A Group:Ed Jones <c@a.test>,joe@where.test,John <jdoe@one.test>;',
                  'Pete(A nice \) chap) <pete(his account)@silly.test(his host)>'].freeze

def test_valid
  describe 'when passed a valid email address, according to RF5322' do
    # This test shall pass... see
    # <https://tools.ietf.org/html/rfc5322#appendix-A.5>
    #
    # The above example is aesthetically displeasing, but perfectly
    # legal. Note particularly (1) the comments in the "From:" field
    # (including one that has a ")" character appearing as part of a
    # quoted-pair); (2) the white space absent after the ":" in the
    # "To:" field as well as the comment and folding white space after
    # the group name, the special character (".") in the comment in
    # Chris Jones's address, and the folding white space before and
    # after "joe@example.org,"; (3) the multiple and nested comments in
    # the "Cc:" field as well as the comment immediately following the
    # ":" after "Cc"; (4) the folding white space (but no comments
    # except at the end) and the missing seconds in the time of the date
    # field; and (5) the white space before (but not within) the
    # identifier in the "Message-ID:" field.
    TEST_ADDRESSES.each do |address|
      it "must match the valid '#{address}' email address" do
        _(Gravaty::Utils::Rfc5322::EMAIL.match address).wont_be_nil
      end
    end
  end
end

describe Gravaty::Utils::Rfc5322 do
  test_nil

  test_invalid

  test_valid
end