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path: root/test/rss/test_xml-stylesheet.rb
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# -*- tab-width: 2 -*- vim: ts=2

require "rexml/document"

require "rss-testcase"

require "rss/1.0"
require "rss/xml-stylesheet"

module RSS
	class TestXMLStyleSheet < TestCase
		
		def test_accessor
			[
				{:href => "a.xsl", :type => "text/xsl"},
				{:media => "print", :title => "FOO"},
				{:charset => "UTF-8", :alternate => "yes"},
			].each do |attrs|
				assert_xml_stylesheet_attrs(XMLStyleSheet.new(*attrs), attrs)
			end
		end
		
		def test_to_s
			[
				{:href => "a.xsl", :type => "text/xsl"},
				{:type => "text/xsl"},
				{:href => "a.xsl", :guess_type => "text/xsl"},
				{:href => "a.css", :type => "text/css"},
				{:href => "a.css", :type => "text/xsl",
				 :guess_type => "text/css"},
				{:href => "a.xsl", :type => "text/xsl",
				 :title => "sample", :media => "printer",
				 :charset => "UTF-8", :alternate => "yes"},
				{:href => "a.css", :guess_type => "text/css",
				 :alternate => "no"},
				{:type => "text/xsl", :title => "sample",
				 :media => "printer", :charset => "UTF-8",
				 :alternate => "yes"},
			].each do |attrs|
				target, contents = parse_pi(XMLStyleSheet.new(*attrs).to_s)
				assert_xml_stylesheet(target, XMLStyleSheet.new(*contents), attrs)
			end
		end
		
		def test_bad_alternate
			%w(a ___ ??? BAD_ALTERNATE).each do |value|
				xss = XMLStyleSheet.new
				assert_raise(NotAvailableValueError) do
					xss.alternate = value
				end
				xss.do_validate = false
				assert_nothing_raised do
					xss.alternate = value
				end
				assert_nil(xss.alternate)
			end
		end
		
		def test_parse
			[
				[{:href => "a.xsl", :type => "text/xsl"},],
				[{:media => "print", :title => "FOO"},],
				[{:charset => "UTF-8", :alternate => "yes"},],
				[{:href => "a.xsl", :type => "text/xsl"},
				 {:type => "text/xsl"},
				 {:href => "a.xsl", :guess_type => "text/xsl"},
				 {:href => "a.css", :type => "text/css"},
				 {:href => "a.css", :type => "text/xsl",
					:guess_type => "text/css"},
				 {:href => "a.xsl", :type => "text/xsl",
					:title => "sample", :media => "printer",
					:charset => "UTF-8", :alternate => "yes"},
				 {:href => "a.css", :guess_type => "text/css",
					:alternate => "no"},
				 {:type => "text/xsl", :title => "sample",
					:media => "printer", :charset => "UTF-8",
					:alternate => "yes"},],
			].each do |xsss|
				doc = REXML::Document.new(make_sample_RDF)
				root = doc.root
				xsss.each do |xss|
					content = xss.collect do |key, name|
						%Q[#{key}="#{name}"]
					end.join(" ")
					pi = REXML::Instruction.new("xml-stylesheet", content)
					root.previous_sibling = pi
				end
				rss = Parser.parse(doc.to_s)
				have_href_xsss = xsss.find_all {|xss| xss.has_key?(:href)}
				assert_equal(have_href_xsss.size, rss.xml_stylesheets.size)
				rss.xml_stylesheets.each_with_index do |stylesheet, i|
					target, = parse_pi(stylesheet.to_s)
					assert_xml_stylesheet(target, stylesheet, have_href_xsss[i])
				end
			end
		end
		
		def parse_pi(pi)
			/\A\s*<\?(\S+)([^(?:\?>)]+)\?>\s*\z/ =~ pi
			target = $1
			dummy = REXML::Document.new("<dummy #{$2}/>").root
			contents = {}
			dummy.attributes.each do |name, value|
				contents[name] = value
			end
			[target, contents]
		end
		
	end
end