require "helper"
require 'stringio'
module Nokogiri
module XML
class TestNode < Nokogiri::TestCase
def setup
super
@xml = Nokogiri::XML(File.read(XML_FILE), XML_FILE)
end
def test_first_element_child
node = @xml.root.first_element_child
assert_equal 'employee', node.name
assert node.element?, 'node is an element'
end
def test_element_children
nodes = @xml.root.element_children
assert_equal @xml.root.first_element_child, nodes.first
assert nodes.all? { |node| node.element? }, 'all nodes are elements'
end
def test_last_element_child
nodes = @xml.root.element_children
assert_equal nodes.last, @xml.root.element_children.last
end
def test_bad_xpath
bad_xpath = '//foo['
begin
@xml.xpath(bad_xpath)
rescue Nokogiri::XML::XPath::SyntaxError => e
assert_match(bad_xpath, e.to_s)
end
end
def test_namespace_type_error
assert_raises(TypeError) do
@xml.root.namespace = Object.new
end
end
def test_remove_namespace
@xml = Nokogiri::XML('')
tag = @xml.at('s')
assert tag.namespace
tag.namespace = nil
assert_nil tag.namespace
end
def test_parse_needs_doc
list = @xml.root.parse('fooooooo ')
assert_equal 1, list.css('hello').length
end
def test_parse
list = @xml.root.parse('fooooooo ')
assert_equal 2, list.length
end
def test_parse_with_block
called = false
list = @xml.root.parse('') { |cfg|
called = true
assert_instance_of Nokogiri::XML::ParseOptions, cfg
}
assert called, 'config block called'
assert_equal 1, list.length
end
def test_parse_with_io
list = @xml.root.parse(StringIO.new(''))
assert_equal 1, list.length
assert_equal 'hello', list.first.name
end
def test_parse_with_empty_string
list = @xml.root.parse('')
assert_equal 0, list.length
end
def test_parse_config_option
node = @xml.root
options = nil
node.parse(" ") do |config|
options = config
end
assert_equal Nokogiri::XML::ParseOptions::DEFAULT_XML, options.to_i
end
# descriptive, not prescriptive.
def test_parse_invalid_html_markup_results_in_empty_nodeset
doc = Nokogiri::HTML("")
nodeset = doc.root.parse "
"
assert_equal 1, doc.errors.length # "Tag snippet invalid"
assert_equal 1, nodeset.length
end
def test_node_context_parsing_of_malformed_html_fragment_with_recover_is_corrected
doc = HTML.parse ""
context_node = doc.at_css "div"
nodeset = context_node.parse("") do |options|
options.recover
end
assert_equal "
", nodeset.to_s
assert_equal 1, doc.errors.length
assert_equal 1, nodeset.length
end
def test_node_context_parsing_of_malformed_html_fragment_without_recover_is_not_corrected
doc = HTML.parse "
"
context_node = doc.at_css "div"
nodeset = context_node.parse("
") do |options|
options.strict
end
assert_equal 1, doc.errors.length
assert_equal 0, nodeset.length
end
def test_parse_error_list
error_count = @xml.errors.length
@xml.root.parse('
')
assert(error_count < @xml.errors.length, "errors should have increased")
end
def test_subclass_dup
subclass = Class.new(Nokogiri::XML::Node)
node = subclass.new('foo', @xml).dup
assert_instance_of subclass, node
end
def test_gt_string_arg
node = @xml.at('employee')
nodes = (node > 'name')
assert_equal 1, nodes.length
assert_equal node, nodes.first.parent
end
def test_next_element_when_next_sibling_is_element_should_return_next_sibling
doc = Nokogiri::XML ""
node = doc.at_css("foo")
next_element = node.next_element
assert next_element.element?
assert_equal doc.at_css("quux"), next_element
end
def test_next_element_when_there_is_no_next_sibling_should_return_nil
doc = Nokogiri::XML ""
assert_nil doc.at_css("quux").next_element
end
def test_next_element_when_next_sibling_is_not_an_element_should_return_closest_next_element_sibling
doc = Nokogiri::XML "bar"
node = doc.at_css("foo")
next_element = node.next_element
assert next_element.element?
assert_equal doc.at_css("quux"), next_element
end
def test_next_element_when_next_sibling_is_not_an_element_and_no_following_element_should_return_nil
doc = Nokogiri::XML "bar"
node = doc.at_css("foo")
next_element = node.next_element
assert_nil next_element
end
def test_previous_element_when_previous_sibling_is_element_should_return_previous_sibling
doc = Nokogiri::XML ""
node = doc.at_css("quux")
previous_element = node.previous_element
assert previous_element.element?
assert_equal doc.at_css("foo"), previous_element
end
def test_previous_element_when_there_is_no_previous_sibling_should_return_nil
doc = Nokogiri::XML ""
assert_nil doc.at_css("foo").previous_element
end
def test_previous_element_when_previous_sibling_is_not_an_element_should_return_closest_previous_element_sibling
doc = Nokogiri::XML "bar"
node = doc.at_css("quux")
previous_element = node.previous_element
assert previous_element.element?
assert_equal doc.at_css("foo"), previous_element
end
def test_previous_element_when_previous_sibling_is_not_an_element_and_no_following_element_should_return_nil
doc = Nokogiri::XML "foo"
node = doc.at_css("bar")
previous_element = node.previous_element
assert_nil previous_element
end
def test_element?
assert @xml.root.element?, 'is an element'
end
def test_slash_search
assert_equal 'EMP0001', (@xml/:staff/:employee/:employeeId).first.text
end
def test_append_with_document
assert_raises(ArgumentError) do
@xml.root << Nokogiri::XML::Document.new
end
end
def test_inspect_ns
xml = Nokogiri::XML(<<-eoxml) { |c| c.noblanks }
eoxml
ins = xml.inspect
xml.traverse do |node|
assert_match node.class.name, ins
if node.respond_to? :attributes
node.attributes.each do |k,v|
assert_match k, ins
assert_match v, ins
end
end
if node.respond_to?(:namespace) && node.namespace
assert_match node.namespace.class.name, ins
assert_match node.namespace.href, ins
end
end
end
def test_namespace_definitions_when_some_exist
xml = Nokogiri::XML <<-eoxml
eoxml
namespace_definitions = xml.root.namespace_definitions
assert_equal 2, namespace_definitions.length
end
def test_namespace_definitions_when_no_exist
xml = Nokogiri::XML <<-eoxml
eoxml
namespace_definitions = xml.at_xpath('//xmlns:awesome').namespace_definitions
assert_equal 0, namespace_definitions.length
end
def test_namespace_goes_to_children
fruits = Nokogiri::XML(<<-eoxml)
eoxml
apple = Nokogiri::XML::Node.new('Apple', fruits)
orange = Nokogiri::XML::Node.new('Orange', fruits)
apple << orange
fruits.root << apple
assert fruits.at('//fruit:Orange',{'fruit'=>'www.fruits.org'})
assert fruits.at('//fruit:Apple',{'fruit'=>'www.fruits.org'})
end
def test_description
assert_nil @xml.at('employee').description
end
def test_spaceship
nodes = @xml.xpath('//employee')
assert_equal(-1, (nodes.first <=> nodes.last))
list = [nodes.first, nodes.last].sort
assert_equal nodes.first, list.first
assert_equal nodes.last, list.last
end
def test_incorrect_spaceship
nodes = @xml.xpath('//employee')
assert_nil(nodes.first <=> 'asdf')
end
def test_document_compare
nodes = @xml.xpath('//employee')
assert_equal(-1, (nodes.first <=> @xml))
end
def test_different_document_compare
nodes = @xml.xpath('//employee')
doc = Nokogiri::XML('')
b = doc.at('b')
assert_nil(nodes.first <=> b)
end
def test_duplicate_node_removes_namespace
fruits = Nokogiri::XML(<<-eoxml)
eoxml
apple = fruits.root.xpath('fruit:Apple', {'fruit'=>'www.fruits.org'})[0]
new_apple = apple.dup
fruits.root << new_apple
assert_equal 2, fruits.xpath('//xmlns:Apple').length
assert_equal 1, fruits.to_xml.scan('www.fruits.org').length
end
[:clone, :dup].each do |symbol|
define_method "test_#{symbol}" do
node = @xml.at('//employee')
other = node.send(symbol)
assert_equal "employee", other.name
assert_nil other.parent
end
end
def test_fragment_creates_elements
apple = @xml.fragment('')
apple.children.each do |child|
assert_equal Nokogiri::XML::Node::ELEMENT_NODE, child.type
assert_instance_of Nokogiri::XML::Element, child
end
end
def test_node_added_to_root_should_get_namespace
fruits = Nokogiri::XML(<<-eoxml)
eoxml
apple = fruits.fragment('')
fruits.root << apple
assert_equal 1, fruits.xpath('//xmlns:Apple').length
end
def test_new_node_can_have_ancestors
xml = Nokogiri::XML('text')
item = Nokogiri::XML::Element.new('item', xml)
assert_equal 0, item.ancestors.length
end
def test_children
doc = Nokogiri::XML(<<-eoxml)
#{'' * 9 }
eoxml
assert_equal 9, doc.root.children.length
assert_equal 9, doc.root.children.to_a.length
doc = Nokogiri::XML(<<-eoxml)
#{'' * 15 }
eoxml
assert_equal 15, doc.root.children.length
assert_equal 15, doc.root.children.to_a.length
end
def test_add_namespace
node = @xml.at('address')
node.add_namespace('foo', 'http://tenderlovemaking.com')
assert_equal 'http://tenderlovemaking.com', node.namespaces['xmlns:foo']
end
def test_add_namespace_twice
node = @xml.at('address')
ns = node.add_namespace('foo', 'http://tenderlovemaking.com')
ns2 = node.add_namespace('foo', 'http://tenderlovemaking.com')
assert_equal ns, ns2
end
def test_add_default_ns
node = @xml.at('address')
node.add_namespace(nil, 'http://tenderlovemaking.com')
assert_equal 'http://tenderlovemaking.com', node.namespaces['xmlns']
end
def test_add_multiple_namespaces
node = @xml.at('address')
node.add_namespace(nil, 'http://tenderlovemaking.com')
assert_equal 'http://tenderlovemaking.com', node.namespaces['xmlns']
node.add_namespace('foo', 'http://tenderlovemaking.com')
assert_equal 'http://tenderlovemaking.com', node.namespaces['xmlns:foo']
end
def test_default_namespace=
node = @xml.at('address')
node.default_namespace = 'http://tenderlovemaking.com'
assert_equal 'http://tenderlovemaking.com', node.namespaces['xmlns']
end
def test_namespace=
node = @xml.at('address')
assert_nil node.namespace
definition = node.add_namespace_definition 'bar', 'http://tlm.com/'
node.namespace = definition
assert_equal definition, node.namespace
assert_equal node, @xml.at('//foo:address', {
'foo' => 'http://tlm.com/'
})
end
def test_add_namespace_with_nil_associates_node
node = @xml.at('address')
assert_nil node.namespace
definition = node.add_namespace_definition nil, 'http://tlm.com/'
assert_equal definition, node.namespace
end
def test_add_namespace_does_not_associate_node
node = @xml.at('address')
assert_nil node.namespace
assert node.add_namespace_definition 'foo', 'http://tlm.com/'
assert_nil node.namespace
end
def test_set_namespace_from_different_doc
node = @xml.at('address')
doc = Nokogiri::XML(File.read(XML_FILE), XML_FILE)
decl = doc.root.add_namespace_definition 'foo', 'bar'
assert_raises(ArgumentError) do
node.namespace = decl
end
end
def test_set_namespace_must_only_take_a_namespace
node = @xml.at('address')
assert_raises(TypeError) do
node.namespace = node
end
end
def test_at
node = @xml.at('address')
assert_equal node, @xml.xpath('//address').first
end
def test_at_xpath
node = @xml.at_xpath('//address')
nodes = @xml.xpath('//address')
assert_equal 5, nodes.size
assert_equal node, nodes.first
end
def test_at_css
node = @xml.at_css('address')
nodes = @xml.css('address')
assert_equal 5, nodes.size
assert_equal node, nodes.first
end
def test_percent
node = @xml % ('address')
assert_equal node, @xml.xpath('//address').first
end
def test_accept
visitor = Class.new {
attr_accessor :visited
def accept target
target.accept(self)
end
def visit node
node.children.each { |c| c.accept(self) }
@visited = true
end
}.new
visitor.accept(@xml.root)
assert visitor.visited
end
def test_write_to
io = StringIO.new
@xml.write_to io
io.rewind
assert_equal @xml.to_xml, io.read
end
def test_attribute_with_symbol
assert_equal 'Yes', @xml.css('address').first[:domestic]
end
def test_write_to_with_block
called = false
io = StringIO.new
conf = nil
@xml.write_to io do |config|
called = true
conf = config
config.format.as_html.no_empty_tags
end
io.rewind
assert called
string = io.read
assert_equal @xml.serialize(nil, conf.options), string
assert_equal @xml.serialize(nil, conf), string
end
%w{ xml html xhtml }.each do |type|
define_method(:"test_write_#{type}_to") do
io = StringIO.new
assert @xml.send(:"write_#{type}_to", io)
io.rewind
assert_match @xml.send(:"to_#{type}"), io.read
end
end
def test_serialize_with_block
called = false
conf = nil
string = @xml.serialize do |config|
called = true
conf = config
config.format.as_html.no_empty_tags
end
assert called
assert_equal @xml.serialize(nil, conf.options), string
assert_equal @xml.serialize(nil, conf), string
end
def test_hold_refence_to_subnode
doc = Nokogiri::XML(<<-eoxml)
eoxml
assert node_a = doc.css('a').first
assert node_b = node_a.css('b').first
node_a.unlink
assert_equal 'b', node_b.name
end
def test_values
assert_equal %w{ Yes Yes }, @xml.xpath('//address')[1].values
end
def test_keys
assert_equal %w{ domestic street }, @xml.xpath('//address')[1].keys
end
def test_each
attributes = []
@xml.xpath('//address')[1].each do |key, value|
attributes << [key, value]
end
assert_equal [['domestic', 'Yes'], ['street', 'Yes']], attributes
end
def test_new
assert node = Nokogiri::XML::Node.new('input', @xml)
assert_equal 1, node.node_type
assert_instance_of Nokogiri::XML::Element, node
end
def test_to_str
name = @xml.xpath('//name').first
assert_match(/Margaret/, '' + name)
assert_equal('Margaret Martin', '' + name.children.first)
end
def test_ancestors
address = @xml.xpath('//address').first
assert_equal 3, address.ancestors.length
assert_equal ['employee', 'staff', 'document'],
address.ancestors.map { |x| x.name }
end
def test_read_only?
assert entity_decl = @xml.internal_subset.children.find { |x|
x.type == Node::ENTITY_DECL
}
assert entity_decl.read_only?
end
def test_remove_attribute
address = @xml.xpath('/staff/employee/address').first
assert_equal 'Yes', address['domestic']
address.remove_attribute 'domestic'
assert_nil address['domestic']
end
def test_delete
address = @xml.xpath('/staff/employee/address').first
assert_equal 'Yes', address['domestic']
address.delete 'domestic'
assert_nil address['domestic']
end
def test_set_content_with_symbol
node = @xml.at('//name')
node.content = :foo
assert_equal 'foo', node.content
end
def test_find_by_css_with_tilde_eql
xml = Nokogiri::XML.parse(<<-eoxml)
Hello world
Bar
Bar
Bar
Bar
Awesome
Awesome
eoxml
set = xml.css('a[@class~="bar"]')
assert_equal 4, set.length
assert_equal ['Bar'], set.map { |node| node.content }.uniq
end
def test_unlink
xml = Nokogiri::XML.parse(<<-eoxml)
Bar
Bar
Bar
Hello world
Bar
Awesome
Awesome
eoxml
node = xml.xpath('//a')[3]
assert_equal('Hello world', node.text)
assert_match(/Hello world/, xml.to_s)
assert node.parent
assert node.document
assert node.previous_sibling
assert node.next_sibling
node.unlink
assert !node.parent
#assert !node.document
assert !node.previous_sibling
assert !node.next_sibling
assert_no_match(/Hello world/, xml.to_s)
end
def test_next_sibling
assert node = @xml.root
assert sibling = node.child.next_sibling
assert_equal('employee', sibling.name)
end
def test_previous_sibling
assert node = @xml.root
assert sibling = node.child.next_sibling
assert_equal('employee', sibling.name)
assert_equal(sibling.previous_sibling, node.child)
end
def test_name=
assert node = @xml.root
node.name = 'awesome'
assert_equal('awesome', node.name)
end
def test_child
assert node = @xml.root
assert child = node.child
assert_equal('text', child.name)
end
def test_key?
assert node = @xml.search('//address').first
assert(!node.key?('asdfasdf'))
end
def test_set_property
assert node = @xml.search('//address').first
node['foo'] = 'bar'
assert_equal('bar', node['foo'])
end
def test_attributes
assert node = @xml.search('//address').first
assert_nil(node['asdfasdfasdf'])
assert_equal('Yes', node['domestic'])
assert node = @xml.search('//address')[2]
attr = node.attributes
assert_equal 2, attr.size
assert_equal 'Yes', attr['domestic'].value
assert_equal 'Yes', attr['domestic'].to_s
assert_equal 'No', attr['street'].value
end
def test_path
assert set = @xml.search('//employee')
assert node = set.first
assert_equal('/staff/employee[1]', node.path)
end
def test_parent_xpath
assert set = @xml.search('//employee')
assert node = set.first
assert parent_set = node.search('..')
assert parent_node = parent_set.first
assert_equal '/staff', parent_node.path
assert_equal node.parent, parent_node
end
def test_search_by_symbol
assert set = @xml.search(:employee)
assert 5, set.length
assert node = @xml.at(:employee)
assert node.text =~ /EMP0001/
end
def test_new_node
node = Nokogiri::XML::Node.new('form', @xml)
assert_equal('form', node.name)
assert(node.document)
end
def test_encode_special_chars
foo = @xml.css('employee').first.encode_special_chars('&')
assert_equal '&', foo
end
def test_content
node = Nokogiri::XML::Node.new('form', @xml)
assert_equal('', node.content)
node.content = 'hello world!'
assert_equal('hello world!', node.content)
node.content = '& &'
assert_equal('& &', node.content)
assert_equal('', node.to_xml)
end
def test_set_content_should_unlink_existing_content
node = @xml.at_css("employee")
children = node.children
node.content = "hello"
children.each { |child| assert_nil child.parent }
end
def test_whitespace_nodes
doc = Nokogiri::XML.parse("Foo\nBar Bazz
")
children = doc.at('//root').children.collect{|j| j.to_s}
assert_equal "\n", children[1]
assert_equal " ", children[3]
end
def test_node_equality
doc1 = Nokogiri::XML.parse(File.read(XML_FILE), XML_FILE)
doc2 = Nokogiri::XML.parse(File.read(XML_FILE), XML_FILE)
address1_1 = doc1.xpath('//address').first
address1_2 = doc1.xpath('//address').first
address2 = doc2.xpath('//address').first
assert_not_equal address1_1, address2 # two references to very, very similar nodes
assert_equal address1_1, address1_2 # two references to the exact same node
end
def test_namespace_search_with_xpath_and_hash
xml = Nokogiri::XML.parse(<<-eoxml)
Michelin Model XGV
I'm a bicycle tire!
eoxml
tires = xml.xpath('//bike:tire', {'bike' => 'http://schwinn.com/'})
assert_equal 1, tires.length
end
def test_namespace_search_with_css
xml = Nokogiri::XML.parse(<<-eoxml)
Michelin Model XGV
I'm a bicycle tire!
eoxml
tires = xml.css('bike|tire', 'bike' => 'http://schwinn.com/')
assert_equal 1, tires.length
end
def test_namespaces_should_include_all_namespace_definitions
xml = Nokogiri::XML.parse(<<-EOF)
hello
EOF
namespaces = xml.namespaces # Document#namespace
assert_equal({"xmlns" => "http://quux.com/",
"xmlns:a" => "http://foo.com/",
"xmlns:b" => "http://bar.com/"}, namespaces)
namespaces = xml.root.namespaces
assert_equal({"xmlns" => "http://quux.com/",
"xmlns:a" => "http://foo.com/",
"xmlns:b" => "http://bar.com/"}, namespaces)
namespaces = xml.at_xpath("//xmlns:y").namespaces
assert_equal({"xmlns" => "http://quux.com/",
"xmlns:a" => "http://foo.com/",
"xmlns:b" => "http://bar.com/",
"xmlns:c" => "http://bazz.com/"}, namespaces)
namespaces = xml.at_xpath("//xmlns:z").namespaces
assert_equal({"xmlns" => "http://quux.com/",
"xmlns:a" => "http://foo.com/",
"xmlns:b" => "http://bar.com/",
"xmlns:c" => "http://bazz.com/"}, namespaces)
namespaces = xml.at_xpath("//xmlns:a").namespaces
assert_equal({"xmlns" => "http://quux.com/",
"xmlns:a" => "http://foo.com/",
"xmlns:b" => "http://bar.com/",
"xmlns:c" => "http://newc.com/"}, namespaces)
end
def test_namespace
xml = Nokogiri::XML.parse(<<-EOF)
hello a
hello b
hello c
hello moon
EOF
set = xml.search("//y/*")
assert_equal "a", set[0].namespace.prefix
assert_equal "b", set[1].namespace.prefix
assert_equal "c", set[2].namespace.prefix
assert_equal nil, set[3].namespace
end
def test_namespace_without_an_href_on_html_node
# because microsoft word's HTML formatting does this. ick.
xml = Nokogiri::HTML.parse <<-EOF
foo
EOF
assert_not_nil(node = xml.at('p'))
assert_equal 1, node.namespaces.keys.size
assert node.namespaces.has_key?('xmlns:o')
assert_equal nil, node.namespaces['xmlns:o']
end
def test_line
xml = Nokogiri::XML(<<-eoxml)
Hello world
eoxml
set = xml.search("//a")
node = set.first
assert_equal 2, node.line
end
def test_xpath_results_have_document_and_are_decorated
x = Module.new do
def awesome! ; end
end
util_decorate(@xml, x)
node_set = @xml.xpath("//employee")
assert_equal @xml, node_set.document
assert node_set.respond_to?(:awesome!)
end
def test_css_results_have_document_and_are_decorated
x = Module.new do
def awesome! ; end
end
util_decorate(@xml, x)
node_set = @xml.css("employee")
assert_equal @xml, node_set.document
assert node_set.respond_to?(:awesome!)
end
end
end
end