instiki/vendor/plugins/HTML5lib/tests/test_encoding.rb

require File.join(File.dirname(__FILE__), 'preamble')

require 'html5lib/inputstream'

class Html5EncodingTestCase < Test::Unit::TestCase

begin
    require 'rubygems'
    require 'UniversalDetector'

    def test_chardet
        File.open(File.join(HTML5LIB_BASE, 'tests', 'encoding', 'chardet', 'test_big5.txt')) do |file|
            stream = HTML5lib::HTMLInputStream.new(file, :chardet => true)
            assert_equal 'big5', stream.char_encoding.downcase
        end
    end
rescue LoadError
    puts "chardet not found, skipping chardet tests"
end

    html5lib_test_files('encoding').each do |test_file|        
        test_name = File.basename(test_file).sub('.dat', '').tr('-', '')

        File.read(test_file).split("#data\n").each_with_index do |data, index|
            next if data.empty?
            input, encoding = data.split(/\n#encoding\s+/, 2)
            encoding = encoding.split[0]

            define_method 'test_%s_%d' % [ test_name, index + 1 ] do
                stream = HTML5lib::HTMLInputStream.new(input, :chardet => false)
                assert_equal encoding.downcase, stream.char_encoding.downcase, input
            end
        end
    end

end