# -*- tab-width: 2 -*- vim: ts=2

require "cgi"
require "rexml/document"

require "rss-testcase"

require "rss/1.0"
require "rss/dublincore"

module RSS
	class TestDublinCore < TestCase

		def setup
			@prefix = "dc"
			@uri = "http://purl.org/dc/elements/1.1/"
			
			@parents = %w(channel image item textinput)
			
			t = Time.iso8601("2000-01-01T12:00:05+00:00")
			class << t
				alias_method(:to_s, :iso8601)
			end
			
			@elems = {
				:title => "hoge",
				:description =>
					" XML is placing increasingly heavy loads on
					the existing technical infrastructure of the Internet.",
				:creator => "Rael Dornfest (mailto:rael@oreilly.com)",
				:subject => "XML",
				:publisher => "The O'Reilly Network",
				:contributor => "hogehoge",
				:type => "fugafuga",
				:format => "hohoho",
				:identifier => "fufufu",
				:source => "barbar",
				:language => "ja",
				:relation => "cococo",
				:rights => "Copyright (c) 2000 O'Reilly &amp; Associates, Inc.",
				:date => t,
			}

			@dc_nodes = @elems.collect do |name, value|
				"<#{@prefix}:#{name}>#{value}</#{@prefix}:#{name}>"
			end.join("\n")

			@rss_source = make_RDF(<<-EOR, {@prefix =>  @uri})
#{make_channel(@dc_nodes)}
#{make_image(@dc_nodes)}
#{make_item(@dc_nodes)}
#{make_textinput(@dc_nodes)}
EOR

			@rss = Parser.parse(@rss_source)
		end
	
		def test_parser

			assert_nothing_raised do
				Parser.parse(@rss_source)
			end
		
			@elems.each do |tag, value|
				assert_too_much_tag(tag.to_s, "channel") do
					Parser.parse(make_RDF(<<-EOR, {@prefix => @uri}))
#{make_channel(("<" + @prefix + ":" + tag.to_s + ">" +
	value.to_s +
	"</" + @prefix + ":" + tag.to_s + ">") * 2)}
#{make_item}
EOR
				end
			end

		end
	
		def test_accessor
		
			new_value = "hoge"

			@elems.each do |name, value|
				@parents.each do |parent|
					parsed_value = @rss.send(parent).send("dc_#{name}")
					if parsed_value.kind_of?(String)
						parsed_value = CGI.escapeHTML(parsed_value)
					end
					assert_equal(value, parsed_value)
					if name == :date
						t = Time.iso8601("2003-01-01T02:30:23+09:00")
						class << t
							alias_method(:to_s, :iso8601)
						end
						@rss.send(parent).send("dc_#{name}=", t.iso8601)
						assert_equal(t, @rss.send(parent).send("dc_#{name}"))
					else
						@rss.send(parent).send("dc_#{name}=", new_value)
						assert_equal(new_value, @rss.send(parent).send("dc_#{name}"))
					end
				end
			end

		end

		def test_to_s
			
			@elems.each do |name, value|
				excepted = "<#{@prefix}:#{name}>#{value}</#{@prefix}:#{name}>"
				@parents.each do |parent|
					assert_equal(excepted, @rss.send(parent).send("dc_#{name}_element"))
				end
			end
			
			REXML::Document.new(@rss_source).root.each_element do |parent|
				if @parents.include?(parent.name)
					parent.each_element do |elem|
						if elem.namespace == @uri
							assert_equal(CGI.escapeHTML(elem.text), @elems[elem.name.intern].to_s)
						end
					end
				end
			end
			
		end

	end
end
