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# encoding: UTF-8
require './test_helper'
require 'tempfile'
require 'test/unit'
class TestXPath < Test::Unit::TestCase
def setup
@doc = XML::Document.file(File.join(File.dirname(__FILE__), 'model/soap.xml'))
end
def teardown
@doc = nil
end
def test_doc_find
nodes = @doc.find('/soap:Envelope')
assert_instance_of(XML::XPath::Object, nodes)
assert_equal(1, nodes.length)
assert_equal(nodes.xpath_type, XML::XPath::NODESET)
end
def test_doc_find_first
node = @doc.find_first('/soap:Envelope/soap:Body')
assert_instance_of(XML::Node, node)
end
def test_ns
nodes = @doc.find('//ns1:IdAndName', 'ns1:http://domain.somewhere.com')
assert_equal(3, nodes.length)
end
def test_ns_array
nodes = @doc.find('//ns1:IdAndName', ['ns1:http://domain.somewhere.com'])
assert_equal(3, nodes.length)
end
def test_default_ns1
# Find all nodes with http://services.somewhere.com namespace
nodes = @doc.find('//*[namespace-uri()="http://services.somewhere.com"]')
assert_equal(2, nodes.length)
assert_equal('getManufacturerNamesResponse', nodes[0].name)
assert_equal('IDAndNameList', nodes[1].name)
end
def test_default_ns2
# Find all nodes with http://services.somewhere.com namespace
nodes = @doc.find('//ns:*', 'ns:http://services.somewhere.com')
assert_equal(2, nodes.length)
assert_equal('getManufacturerNamesResponse', nodes[0].name)
assert_equal('IDAndNameList', nodes[1].name)
# Get getManufacturerNamesResponse node
nodes = @doc.find('//ns:getManufacturerNamesResponse', 'ns:http://services.somewhere.com')
assert_equal(1, nodes.length)
# Get IdAndName node
nodes = @doc.find('/soap:Envelope/soap:Body/ns0:getManufacturerNamesResponse/ns0:IDAndNameList/ns1:IdAndName',
['ns0:http://services.somewhere.com', 'ns1:http://domain.somewhere.com'])
assert_equal(3, nodes.length)
end
def test_default_ns3
# Find all nodes with http://services.somewhere.com namespace
nodes = @doc.find('//ns:*', 'ns' => 'http://services.somewhere.com')
assert_equal(2, nodes.length)
assert_equal('getManufacturerNamesResponse', nodes[0].name)
assert_equal('IDAndNameList', nodes[1].name)
end
def test_default_ns4
# Find all nodes with http://services.somewhere.com namespace
nodes = @doc.find('//ns:*', :ns => 'http://services.somewhere.com')
assert_equal(2, nodes.length)
assert_equal('getManufacturerNamesResponse', nodes[0].name)
assert_equal('IDAndNameList', nodes[1].name)
end
def test_default_ns5
# Find all nodes with http://services.somewhere.com namespace
XML::Namespace.new(@doc.root, 'ns', 'http://services.somewhere.com')
nodes = @doc.find('//ns:*')
assert_equal(2, nodes.length)
assert_equal('getManufacturerNamesResponse', nodes[0].name)
assert_equal('IDAndNameList', nodes[1].name)
end
def test_attribute_ns
# Pull all nodes with http://services.somewhere.com namespace
nodes = @doc.find('@soap:encodingStyle')
assert_equal(1, nodes.length)
assert_equal('encodingStyle', nodes.first.name)
assert_equal('http://www.w3.org/2001/12/soap-encoding', nodes.first.value)
end
def test_register_default_ns
doc = XML::Document.file(File.join(File.dirname(__FILE__), 'model/atom.xml'))
# No namespace has been yet defined
assert_raise(XML::Error) do
node = doc.find("atom:title")
end
node = doc.find('atom:title', 'atom:http://www.w3.org/2005/Atom')
assert_not_nil(node)
# Register namespace
doc.root.namespaces.default_prefix = 'atom'
node = doc.find("atom:title")
assert_not_nil(node)
end
def test_node_find
nodes = @doc.find('//ns1:IdAndName', 'ns1:http://domain.somewhere.com')
node = nodes.first
# Since we are searching on the node, don't have to register namespace
nodes = node.find('ns1:name')
assert_equal(1, nodes.length)
assert_equal(nodes.first.object_id, nodes.last.object_id, 'First and last should be the same')
assert_equal('name', nodes.first.name)
assert_equal('man1', nodes.first.content)
end
def test_node_find_first
node = @doc.find_first('//ns1:IdAndName', 'ns1:http://domain.somewhere.com')
# Since we are searching on the node, don't have to register namespace
node = node.find_first('ns1:name')
assert_equal('name', node.name)
assert_equal('man1', node.content)
end
def test_node_no_doc
node = XML::Node.new('header', 'some content')
assert_raise(TypeError) do
node = node.find_first('/header')
end
end
def test_memory
# This sometimes causes a segmentation fault because
# an xml document is sometimes freed before the
# xpath_object used to query it. When the xpath_object
# is free, it iterates over its results which are pointers
# to the document's nodes. A segmentation fault then happens.
1000.times do
doc = XML::Document.new('1.0')
doc.root = XML::Node.new("header")
1000.times do
doc.root << XML::Node.new("footer")
end
nodes = doc.find('/header/footer')
end
end
# Test that document doesn't get freed before nodes
def test_xpath_free
doc = XML::Document.file(File.join(File.dirname(__FILE__), 'model/soap.xml'))
nodes = doc.find('//*')
GC.start
assert_equal('Envelope', nodes.first.name)
end
def test_xpath_namespace_nodes
doc = XML::Document.string('<feed xmlns="http://www.w3.org/2005/Atom" xmlns:xhtml="http://www.w3.org/1999/xhtml"><entry/></feed>')
nodes = doc.find('//atom:entry|namespace::*', :atom => "http://www.w3.org/2005/Atom")
assert_equal(4, nodes.length)
node = nodes[0]
assert_equal(XML::Node::ELEMENT_NODE, node.node_type)
node = nodes[1]
assert_equal(XML::Node::NAMESPACE_DECL, node.node_type)
node = nodes[2]
assert_equal(XML::Node::NAMESPACE_DECL, node.node_type)
node = nodes[3]
assert_equal(XML::Node::NAMESPACE_DECL, node.node_type)
end
# Test to make sure we don't get nil on empty results.
# This is also to test that we don't segfault due to our C code getting a NULL pointer
# and not handling it properly.
def test_xpath_empty_result
doc = XML::Document.string('<html><body><p>Welcome to XHTML land!</p></body></html>')
nodes = doc.find("//object/param[translate(@name, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz') = 'wmode']")
assert_not_nil nodes
end
def test_invalid_expression
xml = LibXML::XML::Document.string('<a></a>')
# Using the expression twice used to cause a Segmentation Fault
error = assert_raise(XML::Error) do
xml.find('//a/')
end
assert_equal("Error: Invalid expression.", error.to_s)
# Try again - this used to cause a Segmentation Fault
error = assert_raise(XML::Error) do
xml.find('//a/')
end
assert_equal("Error: Invalid expression.", error.to_s)
end
def test_find_cdata
doc = LibXML::XML::Document.string('<root>hi there <![CDATA[ mycdata ]]> bye!</root>')
nodes = doc.find('/root/text()')
assert_equal(3, nodes.length)
assert_equal(nodes[0].node_type, LibXML::XML::Node::TEXT_NODE)
assert_equal(nodes[0].content, 'hi there ')
assert_equal(nodes[1].node_type, LibXML::XML::Node::CDATA_SECTION_NODE)
assert_equal(nodes[1].content, ' mycdata ')
assert_equal(nodes[2].node_type, LibXML::XML::Node::TEXT_NODE)
assert_equal(nodes[2].content, ' bye!')
end
def test_find_comment
doc = LibXML::XML::Document.string('<root>hi there <!-- my comment --> bye!</root>')
nodes = doc.find('//comment()')
assert_equal(1, nodes.length)
assert_equal(nodes[0].content, ' my comment ')
end
end
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