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require 'rubygems' require 'hpricot' require 'open-uri' require 'ostruct' class XFN class InvalidRelationship < StandardError; end class Link < OpenStruct def to_html "<a href=\"#{link}\" rel=\"#{relation.join(' ')}\">#{name}</a>" end def ==(link) (self.name == link.name) & (self.link == link.link) & (self.relation = link.relation) end end attr_accessor :links def initialize(uri) doc = Hpricot open(uri) relinks = doc/"a[@rel]" @links = relinks.map { |rl| Link.new(:name=>rl.innerHTML, :link=>rl[:href], :relation=>rl[:rel].split(/\s+/)) } end def [](*r) rels = r.map { |rel| self.send(rel.to_sym) } rels.inject() {|matched_rels,array| matched_rels & array } end def method_missing(method, *args, &block) return @links.select{ |link| link.relation.include? method.to_s } end end if $0 == __FILE__ require "test/unit" class TestXFN < Test::Unit::TestCase def setup @xfn = XFN.new('test_data.html') end def test_method_missing assert_equal [], @xfn.googlyeyes end def test_initialize xfn = XFN.allocate assert_nil xfn.links assert_not_nil @xfn.links end def test_array_accessor assert_equal @xfn['met','contact'], XFN::Link.new( :name => "contact + met", :link =>"#contact", :relation => ["contact", "met"]) end end end ## error: RubyMate r5712 running Ruby v1.8.5 (/usr/local/bin/ruby) >>> xfn.rb Loaded suite /Users/cdcarter/software/xfn Started E . . Finished in 0.081772 seconds. 1) Error: test_array_accessor(TestXFN): NoMethodError: undefined method `name' for 10138210:Fixnum method == in xfn.rb at line 14 method include? in ostruct.rb at line 115 method inspect in ostruct.rb at line 115 method pretty_print in pp.rb at line 259 method pp in pp.rb at line 140 method group in prettyprint.rb at line 201 method nest in prettyprint.rb at line 227 method group in prettyprint.rb at line 200 method group_sub in prettyprint.rb at line 212 method group in prettyprint.rb at line 199 method pp in pp.rb at line 140 method pretty_print in pp.rb at line 304 method seplist in pp.rb at line 201 method each in pp.rb at line 195 method __send__ in pp.rb at line 195 method seplist in pp.rb at line 195 method pretty_print in pp.rb at line 303 method group in prettyprint.rb at line 201 method nest in prettyprint.rb at line 227 method group in prettyprint.rb at line 200 method group_sub in prettyprint.rb at line 212 method group in prettyprint.rb at line 199 method pretty_print in pp.rb at line 302 method pp in pp.rb at line 140 method group in prettyprint.rb at line 201 method nest in prettyprint.rb at line 227 method group in prettyprint.rb at line 200 method group_sub in prettyprint.rb at line 212 method group in prettyprint.rb at line 199 method pp in pp.rb at line 140 method pp in pp.rb at line 77 method guard_inspect_key in pp.rb at line 119 method pp in pp.rb at line 77 method test_array_accessor in xfn.rb at line 56 3 tests, 4 assertions, 0 failures, 1 errors

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