require "xml" require 'test/unit' class HTMLParserTest < Test::Unit::TestCase def html_file File.expand_path(File.join(File.dirname(__FILE__), 'model/ruby-lang.html')) end # ----- Sources ------ def test_file xp = XML::HTMLParser.file(html_file) assert_instance_of(XML::HTMLParser, xp) end def test_string str = '

' xp = XML::HTMLParser.string(str) assert_instance_of(XML::HTMLParser, xp) assert_instance_of(XML::HTMLParser, xp) doc = xp.parse assert_instance_of(XML::Document, doc) end def test_io File.open(html_file) do |io| xp = XML::HTMLParser.io(io) assert_instance_of(XML::HTMLParser, xp) doc = xp.parse assert_instance_of(XML::Document, doc) end end def test_string_io data = File.read(html_file) io = StringIO.new(data) xp = XML::HTMLParser.io(io) assert_instance_of(XML::HTMLParser, xp) doc = xp.parse assert_instance_of(XML::Document, doc) end def test_parse html = <<-EOS Hello
World EOS parser = XML::HTMLParser.string(html) doc = parser.parse assert_instance_of XML::Document, doc root = doc.root assert_instance_of XML::Node, root assert_equal 'html', root.name head = root.child assert_instance_of XML::Node, head assert_equal 'head', head.name meta = head.child assert_instance_of XML::Node, meta assert_equal 'meta', meta.name assert_equal 'keywords', meta[:name] assert_equal 'nasty', meta[:content] body = head.next assert_instance_of XML::Node, body assert_equal 'body', body.name hello = body.child # It appears that some versions of libxml2 add a layer of

# cant figure our why or how, so this skips it if there hello = hello.child if hello.name == "p" assert_instance_of XML::Node, hello assert_equal 'Hello', hello.content br = hello.next assert_instance_of XML::Node, br assert_equal 'br', br.name world = br.next assert_instance_of XML::Node, world assert_equal 'World', world.content end end