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require 'test/unit'
require 'rdf/redland'
class TestNode < Test::Unit::TestCase
include Redland
def test_initialize()
node = Node.new("Dominic")
assert(node.literal?)
assert_equal('Dominic',node.literal.value)
end
def test_resource()
node = Node.new(Uri.new("http://example.com/"))
assert(node.resource?)
assert_equal(node,Node.new(:uri_string=>"http://example.com/"))
end
def test_bnode()
node = Node.new(:blank=>'dom')
assert(node.blank?)
assert_equal('dom',node.blank_identifier)
assert_equal(node,BNode.new('dom'))
node2 = BNode.new('dom2')
assert_equal('dom2',node2.blank_identifier)
assert(node2.blank?)
node3 = BNode.new()
node4 = BNode.new()
assert(node3.blank?)
assert(node4.blank?)
assert_not_equal(node3,node4)
end
def test_equality()
node = Node.new("Dominic")
assert_equal(node,Node.new("Dominic"))
assert_not_equal(node,Node.new("NotDominic"))
assert_equal(node, Node.new(node))
end
def test_namespace()
foaf = Namespace.new("http://xmlns.com/foaf/0.1/")
assert(foaf.resource?)
assert_equal(foaf,Node.new(:uri_string=>"http://xmlns.com/foaf/0.1/"))
nameinst = foaf['name']
assert_equal(nameinst,Node.new(:uri_string=>"http://xmlns.com/foaf/0.1/name"))
assert_same(nameinst,foaf['name'])
assert_equal(foaf['mbox'],Node.new(:uri_string=>"http://xmlns.com/foaf/0.1/mbox"))
end
def test_get_uri()
node = Node.new("Dominic")
assert_raises(NodeTypeError){uri = node.uri} # Can't get uri from a literal node
node = Node.new(Uri.new("http://xmlns.com/"))
assert_equal(Uri, node.uri.class)
assert_equal('http://xmlns.com/',node.uri.to_s)
assert_equal('http://xmlns.com/',node.to_s)
end
def test_get_literal()
node = Node.new("Dominic")
assert_equal("Dominic", node.literal.value)
node = Node.new(Uri.new("http://xmlns.com/"))
assert_raises(NodeTypeError){node.literal}
end
def test_literal()
literal = Literal.new('this is a literal','en')
assert_equal('this is a literal',literal.value)
assert_equal('this is a literal',literal.to_s)
assert_equal('en',literal.language)
literal = Literal.from_xml('<em>chat<em>')
assert_equal('<em>chat<em>',literal.value)
end
end
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