require "helper" module Nokogiri module HTML class TestDocument < Nokogiri::TestCase def setup super @html = Nokogiri::HTML.parse(File.read(HTML_FILE)) end def test_fragment fragment = @html.fragment assert_equal 0, fragment.children.length end def test_document_takes_config_block options = nil Nokogiri::HTML(File.read(HTML_FILE), HTML_FILE) do |cfg| options = cfg options.nonet.nowarning.dtdattr end assert options.nonet? assert options.nowarning? assert options.dtdattr? end def test_parse_takes_config_block options = nil Nokogiri::HTML.parse(File.read(HTML_FILE), HTML_FILE) do |cfg| options = cfg options.nonet.nowarning.dtdattr end assert options.nonet? assert options.nowarning? assert options.dtdattr? end def test_subclass klass = Class.new(Nokogiri::HTML::Document) doc = klass.new assert_instance_of klass, doc end def test_subclass_initialize klass = Class.new(Nokogiri::HTML::Document) do attr_accessor :initialized_with def initialize(*args) @initialized_with = args end end doc = klass.new("uri", "external_id", 1) assert_equal ["uri", "external_id", 1], doc.initialized_with end def test_subclass_dup klass = Class.new(Nokogiri::HTML::Document) doc = klass.new.dup assert_instance_of klass, doc end def test_subclass_parse klass = Class.new(Nokogiri::HTML::Document) doc = klass.parse(File.read(HTML_FILE)) assert_equal @html.to_s, doc.to_s assert_instance_of klass, doc end def test_document_parse_method html = Nokogiri::HTML::Document.parse(File.read(HTML_FILE)) assert_equal @html.to_s, html.to_s end ### # Nokogiri::HTML returns an empty Document when given a blank string GH#11 def test_empty_string_returns_empty_doc doc = Nokogiri::HTML('') assert_instance_of Nokogiri::HTML::Document, doc assert_nil doc.root end unless Nokogiri.uses_libxml? && %w[2 6] === LIBXML_VERSION.split('.')[0..1] # FIXME: this is a hack around broken libxml versions def test_to_xhtml_with_indent doc = Nokogiri::HTML('foo') doc = Nokogiri::HTML(doc.to_xhtml(:indent => 2)) assert_indent 2, doc end def test_write_to_xhtml_with_indent io = StringIO.new doc = Nokogiri::HTML('foo') doc.write_xhtml_to io, :indent => 5 io.rewind doc = Nokogiri::HTML(io.read) assert_indent 5, doc end end def test_swap_should_not_exist assert_raises(NoMethodError) { @html.swap } end def test_namespace_should_not_exist assert_raises(NoMethodError) { @html.namespace } end # def test_meta_encoding # assert_equal 'UTF-8', @html.meta_encoding # end # # def test_meta_encoding= # @html.meta_encoding = 'EUC-JP' # assert_equal 'EUC-JP', @html.meta_encoding # end def test_meta_encoding_without_head html = Nokogiri::HTML('foo') assert_nil html.meta_encoding html.meta_encoding = 'EUC-JP' assert_nil html.meta_encoding end def test_root_node_parent_is_document parent = @html.root.parent assert_equal @html, parent assert_instance_of Nokogiri::HTML::Document, parent end def test_parse_handles_nil_gracefully assert_nothing_raised do @doc = Nokogiri::HTML::Document.parse(nil) end assert_instance_of Nokogiri::HTML::Document, @doc end def test_parse_empty_document doc = Nokogiri::HTML("\n") assert_equal 0, doc.css('a').length assert_equal 0, doc.xpath('//a').length assert_equal 0, doc.search('//a').length end def test_HTML_function html = Nokogiri::HTML(File.read(HTML_FILE)) assert html.html? end def test_parse_io assert doc = File.open(HTML_FILE, 'rb') { |f| Document.read_io(f, nil, 'UTF-8', XML::ParseOptions::NOERROR | XML::ParseOptions::NOWARNING ) } end def test_to_xhtml assert_match 'XHTML', @html.to_xhtml assert_match 'XHTML', @html.to_xhtml(:encoding => 'UTF-8') assert_match 'UTF-8', @html.to_xhtml(:encoding => 'UTF-8') end def test_no_xml_header html = Nokogiri::HTML(<<-eohtml) eohtml assert html.to_html.length > 0, 'html length is too short' assert_no_match(/^<\?xml/, html.to_html) end # def test_document_has_error # html = Nokogiri::HTML(<<-eohtml) # # #
h1") # found = @html.css("div[@id='header'] h1") # this blows up on commit 6fa0f6d329d9dbf1cc21c0ac72f7e627bb4c05fc # assert_equal 1, found.length # end # # def test_find_with_function # found = @html.css("div:awesome() h1", Class.new { # def awesome divs # [divs.first] # end # }.new) # end # # def test_dup_shallow # found = @html.search('//div/a').first # dup = found.dup(0) # assert dup # assert_equal '', dup.content # end # # def test_search_can_handle_xpath_and_css # found = @html.search('//div/a', 'div > p') # length = @html.xpath('//div/a').length + # @html.css('div > p').length # assert_equal length, found.length # end def test_dup_document assert dup = @html.dup assert_not_equal dup, @html assert @html.html? assert_instance_of Nokogiri::HTML::Document, dup assert dup.html?, 'duplicate should be html' assert_equal @html.to_s, dup.to_s end def test_dup_document_shallow assert dup = @html.dup(0) assert_not_equal dup, @html end # def test_dup # found = @html.search('//div/a').first # dup = found.dup # assert dup # assert_equal found.content, dup.content # assert_equal found.document, dup.document # end # # def test_inner_html # html = Nokogiri::HTML(<<-eohtml) # # #
#

# Hello world! #

#
# # # eohtml # node = html.xpath('//div').first # assert_equal('

Helloworld!

', node.inner_html.gsub(/\s/, '')) # end # # def test_fragment_contains_text_node # fragment = Nokogiri::HTML.fragment('fooo') # assert_equal 1, fragment.children.length # assert_equal 'fooo', fragment.inner_text # end # # def test_fragment_includes_two_tags # assert_equal 2, Nokogiri::HTML.fragment("
").children.length # end # # def test_relative_css_finder # doc = Nokogiri::HTML(<<-eohtml) # # #
#

# inside red #

#
#
#

# inside green #

#
# # # eohtml # red_divs = doc.css('div.red') # assert_equal 1, red_divs.length # p_tags = red_divs.first.css('p') # assert_equal 1, p_tags.length # assert_equal 'inside red', p_tags.first.text.strip # end # # def test_find_classes # doc = Nokogiri::HTML(<<-eohtml) # # #

RED

#

RED

#

GREEN

#

GREEN

# # # eohtml # list = doc.css('.red') # assert_equal 2, list.length # assert_equal %w{ RED RED }, list.map { |x| x.text } # end def test_parse_can_take_io html = nil File.open(HTML_FILE, 'rb') { |f| html = Nokogiri::HTML(f) } assert html.html? end def test_html? assert !@html.xml? assert @html.html? end def test_serialize assert @html.serialize assert @html.to_html end end end end