require 'minitest/autorun'
require_relative '../../cgi-bin/lib/encoding'

class TestLegacyClientEncoding < Minitest::Test
  def test_empty_env
    encoding = WaybackClassic::LegacyClientEncoding.detect {}

    assert_nil encoding.utf8
    assert_nil encoding.encoding_override
  end

  def test_empty_utf8
    env = { 'QUERY_STRING' => 'q=foobar&utf8=' }

    encoding = WaybackClassic::LegacyClientEncoding.detect env

    assert_nil encoding.utf8
    assert_nil encoding.encoding_override

    # Updates the env
    assert_equal 'q=foobar&utf8=', env['QUERY_STRING']

    # Keeps encoding the same
    assert_equal 'ねこ', encoding.encode('ねこ')

    # Uses curly quotes
    assert_equal '“foo”', encoding.quotify('foo')
  end

  def test_normal_utf8
    env = { 'QUERY_STRING' => 'q=foobar&utf8=%E2%9C%93' }

    encoding = WaybackClassic::LegacyClientEncoding.detect env

    assert_equal '✓', encoding.utf8
    assert_nil encoding.encoding_override

    # Updates the env
    assert_equal 'q=foobar', env['QUERY_STRING']

    # Keeps encoding the same
    assert_equal 'ねこ', encoding.encode('ねこ')

    # Uses curly quotes
    assert_equal '“foo”', encoding.quotify('foo')
  end

  def test_dreampassport3_utf8
    env = { 'QUERY_STRING' => 'q=foobar&utf8=%EF%BF%BD%13' }

    encoding = WaybackClassic::LegacyClientEncoding.detect env

    assert_equal "\ufffd\x13", encoding.utf8
    assert_equal 'Shift_JIS', encoding.encoding_override

    # Updates the env
    assert_equal 'q=foobar', env['QUERY_STRING']

    # Forces the encoding to use JIS
    assert_equal 'ねこ'.encode('Shift_JIS').force_encoding('UTF-8'), encoding.encode('ねこ')

    # Uses normal quotes
    assert_equal '"foo"', encoding.quotify('foo')
  end

  def test_safari_jis_mode_utf8
    env = { 'QUERY_STRING' => 'q=foobar&utf8=%EF%BF%BD%26%2365533%3B' }

    encoding = WaybackClassic::LegacyClientEncoding.detect env

    assert_equal "\ufffd\x26\x2365533\x3b", encoding.utf8
    assert_equal 'Shift_JIS', encoding.encoding_override

    # Updates the env
    assert_equal 'q=foobar', env['QUERY_STRING']

    # Forces the encoding to use JIS
    assert_equal 'ねこ'.encode('Shift_JIS').force_encoding('UTF-8'), encoding.encode('ねこ')

    # Uses normal quotes
    assert_equal '"foo"', encoding.quotify('foo')
  end
end