require "test/unit"
require "rexml/document"

require "rss/1.0"
require "test/common"

class TestCore < Test::Unit::TestCase

	include TestRSSMixin

	def setup

		@rdf_prefix = "rdf"
		@rdf_uri = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
		@uri = "http://purl.org/rss/1.0/"

	end

	def test_RDF

		version = "1.0"
		encoding = "UTF-8"
		standalone = "no"

		rdf = RDF.new(version, encoding, standalone)

		doc = REXML::Document.new(rdf.to_s(false))

		xmldecl = doc.xml_decl

		%w(version encoding standalone).each do |x|
			assert_equal(instance_eval(x), xmldecl.send(x))
		end
		
		assert_equal(@rdf_uri, doc.root.namespace)

	end

	def test_channel

		about = "http://hoge.com"
		title = "fugafuga"
		link = "http://hoge.com"
		description = "fugafugafugafuga"
		resource = "http://hoge.com/hoge.png"
		image = RDF::Channel::Image.new(resource)
		items = RDF::Channel::Items.new
		textinput = RDF::Channel::Textinput.new(resource)

		channel = RDF::Channel.new(about)
		%w(title link description image items textinput).each do |x|
			channel.send("#{x}=", instance_eval(x))
		end

		doc = REXML::Document.new(make_RDF(channel.to_s))
		c = doc.root.elements[1]

		assert_equal(about, c.attributes["about"])
		%w(title link description image textinput).each do |x|
			elem = c.elements[x]
			assert_equal(x, elem.name)
			assert_equal(@uri, elem.namespace)
			if x == "image" or x == "textinput"
				excepted = resource
				res = elem.attributes.get_attribute("resource")
				assert_equal(@rdf_uri, res.namespace)
				value = res.value
			else
				excepted = instance_eval(x)
				value = elem.text
			end
			assert_equal(excepted, value)
		end
		assert_equal(@uri, c.elements["items"].namespace)
		assert_equal("items", c.elements["items"].name)

	end
	
	def test_channel_image

		resource = "http://hoge.com/hoge.png"
		image = RDF::Channel::Image.new(resource)

		doc = REXML::Document.new(make_RDF(image.to_s))
		i = doc.root.elements[1]

		assert_equal("image", i.name)
		assert_equal(@uri, i.namespace)

		res = i.attributes.get_attribute("resource")

		assert_equal(@rdf_uri, res.namespace)
		assert_equal(resource, res.value)

	end
	
	def test_channel_textinput

		resource = "http://hoge.com/hoge.png"
		textinput = RDF::Channel::Textinput.new(resource)

		doc = REXML::Document.new(make_RDF(textinput.to_s))
		t = doc.root.elements[1]

		assert_equal("textinput", t.name)
		assert_equal(@uri, t.namespace)

		res = t.attributes.get_attribute("resource")

		assert_equal(@rdf_uri, res.namespace)
		assert_equal(resource, res.value)

	end
	
	def test_items

		items = RDF::Channel::Items.new

		doc = REXML::Document.new(make_RDF(items.to_s))
		i = doc.root.elements[1]

		assert_equal("items", i.name)
		assert_equal(@uri, i.namespace)

		assert_equal(1, i.elements.size)
		assert_equal("Seq", i.elements[1].name)
		assert_equal(@rdf_uri, i.elements[1].namespace)

	end
	
	def test_seq

		seq = RDF::Seq.new

		doc = REXML::Document.new(make_RDF(seq.to_s))
		s = doc.root.elements[1]

		assert_equal("Seq", s.name)
		assert_equal(@rdf_uri, s.namespace)

	end

	def test_li

		resource = "http://hoge.com/"
		li = RDF::Li.new(resource)

		doc = REXML::Document.new(make_RDF(li.to_s))
		l = doc.root.elements[1]

		assert_equal("li", l.name)
		assert_equal(@rdf_uri, l.namespace(l.prefix))

		res = l.attributes.get_attribute("resource")
		
		assert_equal('', res.instance_eval("@prefix"))
		assert_equal(resource, res.value)

	end
	
	def test_image

		about = "http://hoge.com"
		title = "fugafuga"
		url = "http://hoge.com/hoge"
		link = "http://hoge.com/fuga"

		image = RDF::Image.new(about)
		%w(title url link).each do |x|
			image.send("#{x}=", instance_eval(x))
		end

		doc = REXML::Document.new(make_RDF(image.to_s))
		i = doc.root.elements[1]

		assert_equal(about, i.attributes["about"])
		%w(title url link).each do |x|
			elem = i.elements[x]
			assert_equal(x, elem.name)
			assert_equal(@uri, elem.namespace)
			assert_equal(instance_eval(x), elem.text)
		end

	end
	
	def test_item

		about = "http://hoge.com"
		title = "fugafuga"
		link = "http://hoge.com/fuga"
		description = "hogehogehoge"

		item = RDF::Item.new(about)
		%w(title link description).each do |x|
			item.send("#{x}=", instance_eval(x))
		end

		doc = REXML::Document.new(make_RDF(item.to_s))
		i = doc.root.elements[1]

		assert_equal(about, i.attributes["about"])
		%w(title link description).each do |x|
			elem = i.elements[x]
			assert_equal(x, elem.name)
			assert_equal(@uri, elem.namespace)
			assert_equal(instance_eval(x), elem.text)
		end

	end
	
	def test_textinput

		about = "http://hoge.com"
		title = "fugafuga"
		link = "http://hoge.com/fuga"
		name = "foo"
		description = "hogehogehoge"

		textinput = RDF::Textinput.new(about)
		%w(title link name description).each do |x|
			textinput.send("#{x}=", instance_eval(x))
		end

		doc = REXML::Document.new(make_RDF(textinput.to_s))
		t = doc.root.elements[1]

		assert_equal(about, t.attributes["about"])
		%w(title link name description).each do |x|
			elem = t.elements[x]
			assert_equal(x, elem.name)
			assert_equal(@uri, elem.namespace)
			assert_equal(instance_eval(x), elem.text)
		end

	end
	
end