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test_unparented_node.rb
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test_unparented_node.rb
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# frozen_string_literal: true
require "helper"
require "stringio"
module Nokogiri
module XML
class TestUnparentedNode < Nokogiri::TestCase
def setup
super
begin
xml = Nokogiri::XML.parse(File.read(XML_FILE), XML_FILE)
@node = xml.at("staff")
@node.unlink
end
GC.start # try to GC the document
end
def test_node_still_has_document
assert(@node.document)
end
def test_add_namespace
node = @node.at("address")
node.unlink
node.add_namespace("foo", "http://tenderlovemaking.com")
assert_equal("http://tenderlovemaking.com", node.namespaces["xmlns:foo"])
end
def test_write_to
io = StringIO.new
@node.write_to(io)
io.rewind
assert_equal(@node.to_xml, io.read)
end
def test_attribute_with_symbol
assert_equal("Yes", @node.css("address").first[:domestic])
end
def test_write_to_with_block
called = false
io = StringIO.new
conf = nil
@node.write_to(io) do |config|
called = true
conf = config
config.format.as_html.no_empty_tags
end
io.rewind
assert(called)
assert_equal(@node.serialize(save_with: conf.options), io.read)
end
["xml", "html", "xhtml"].each do |type|
define_method(:"test_write_#{type}_to") do
io = StringIO.new
assert @node.send(:"write_#{type}_to", io)
io.rewind
assert_match @node.send(:"to_#{type}"), io.read
end
end
def test_serialize_with_block
called = false
conf = nil
string = @node.serialize do |config|
called = true
conf = config
config.format.as_html.no_empty_tags
end
assert(called)
assert_equal(@node.serialize(nil, conf.options), string)
end
def test_values
assert_equal(["Yes", "Yes"], @node.xpath(".//address")[1].values)
end
def test_keys
assert_equal(["domestic", "street"], @node.xpath(".//address")[1].keys)
end
def test_each
attributes = @node.xpath(".//address")[1].map do |key, value|
[key, value]
end
assert_equal([["domestic", "Yes"], ["street", "Yes"]], attributes)
end
def test_new
assert(node = Nokogiri::XML::Node.new("input", @node.document))
assert_equal(1, node.node_type)
end
def test_to_str
assert(name = @node.xpath(".//name").first)
assert_match(/Margaret/, "" + name)
assert_equal("Margaret Martin", "" + name.children.first)
end
def test_ancestors
assert(address = @node.xpath(".//address").first)
assert_equal(2, address.ancestors.length)
assert_equal(
["employee", "staff"],
address.ancestors.map { |x| x ? x.name : x },
)
end
def test_read_only?
entity_decl = @node.internal_subset.children.find do |x|
x.type == Node::ENTITY_DECL
end
assert(entity_decl)
assert_predicate(entity_decl, :read_only?)
end
def test_remove_attribute
address = @node.xpath("./employee/address").first
assert_equal("Yes", address["domestic"])
address.remove_attribute("domestic")
assert_nil(address["domestic"])
end
def test_delete
address = @node.xpath("./employee/address").first
assert_equal("Yes", address["domestic"])
address.delete("domestic")
assert_nil(address["domestic"])
end
def test_add_child_in_same_document
child = @node.css("employee").first
assert(child.children.last)
assert(new_child = child.children.first)
last = child.children.last
child.add_child(new_child)
assert_equal(new_child, child.children.last)
assert_equal(last, child.children.last)
end
def test_add_child_from_other_document
d1 = Nokogiri::XML("<root><item>1</item><item>2</item></root>")
d2 = Nokogiri::XML("<root><item>3</item><item>4</item></root>")
d2.at("root").search("item").each do |i|
d1.at("root").add_child(i)
end
assert_equal(0, d2.search("item").size)
assert_equal(4, d1.search("item").size)
end
def test_add_child
xml = Nokogiri::XML(<<-eoxml)
<root>
<a>Hello world</a>
</root>
eoxml
text_node = Nokogiri::XML::Text.new("hello", xml)
assert_equal(Nokogiri::XML::Node::TEXT_NODE, text_node.type)
xml.root.add_child(text_node)
assert_match("hello", xml.to_s)
end
def test_chevron_works_as_add_child
xml = Nokogiri::XML(<<-eoxml)
<root>
<a>Hello world</a>
</root>
eoxml
text_node = Nokogiri::XML::Text.new("hello", xml)
xml.root << text_node
assert_match("hello", xml.to_s)
end
def test_add_previous_sibling
xml = Nokogiri::XML(<<-eoxml)
<root>
<a>Hello world</a>
</root>
eoxml
b_node = Nokogiri::XML::Node.new("a", xml)
assert_equal(Nokogiri::XML::Node::ELEMENT_NODE, b_node.type)
b_node.content = "first"
a_node = xml.xpath(".//a").first
a_node.add_previous_sibling(b_node)
assert_equal("first", xml.xpath(".//a").first.text)
end
def test_add_previous_sibling_merge
xml = Nokogiri::XML("<root> <a>Hello world</a> </root>")
a_tag = xml.at_css("a")
left_space = a_tag.previous
right_space = a_tag.next
assert_equal(" ", left_space.content)
assert_predicate(left_space, :text?)
assert_equal(" ", right_space.content)
assert_predicate(right_space, :text?)
left_space.add_previous_sibling(right_space)
if Nokogiri.uses_libxml?(">= 2.13.0")
# after gnome/libxml2@f43197fc text nodes are never merged
assert_equal(" ", left_space.content)
assert_equal(" ", right_space.content)
else
# before gnome/libxml2@f43197fc blank text nodes are merged
assert_equal(" ", left_space.content)
assert_equal(" ", right_space.content)
end
end
def test_add_next_sibling_merge
xml = Nokogiri::XML("<root> <a>Hello world</a> </root>")
a_tag = xml.at_css("a")
left_space = a_tag.previous
right_space = a_tag.next
assert_equal(" ", left_space.content)
assert_predicate(left_space, :text?)
assert_equal(" ", right_space.content)
assert_predicate(right_space, :text?)
right_space.add_next_sibling(left_space)
if Nokogiri.uses_libxml?(">= 2.13.0")
# after gnome/libxml2@f43197fc text nodes are never merged
assert_equal(" ", left_space.content)
assert_equal(" ", right_space.content)
else
# before gnome/libxml2@f43197fc blank text nodes are merged
assert_equal(" ", left_space.content)
assert_equal(" ", right_space.content)
end
end
def test_add_next_sibling_to_root_raises_exception
xml = Nokogiri::XML(<<-eoxml)
<root />
eoxml
node = Nokogiri::XML::Node.new("child", xml)
assert_raises(ArgumentError) do
xml.root.add_next_sibling(node)
end
end
def test_add_previous_sibling_to_root_raises_exception
xml = Nokogiri::XML(<<-eoxml)
<root />
eoxml
node = Nokogiri::XML::Node.new("child", xml)
assert_raises(ArgumentError) do
xml.root.add_previous_sibling(node)
end
end
def test_document_root_can_have_a_comment_sibling_via_add_child
doc = Nokogiri::XML("<root>foo</root>")
comment = Nokogiri::XML::Comment.new(doc, "this is a comment")
doc.add_child(comment)
assert_equal([doc.root, comment], doc.children.to_a)
end
def test_document_root_can_have_a_comment_sibling_via_prepend_child
doc = Nokogiri::XML("<root>foo</root>")
comment = Nokogiri::XML::Comment.new(doc, "this is a comment")
doc.prepend_child(comment)
assert_equal([comment, doc.root], doc.children.to_a)
end
def test_document_root_can_have_a_comment_sibling_via_add_next_sibling
doc = Nokogiri::XML("<root>foo</root>")
comment = Nokogiri::XML::Comment.new(doc, "this is a comment")
doc.root.add_next_sibling(comment)
assert_equal([doc.root, comment], doc.children.to_a)
end
def test_document_root_can_have_a_comment_sibling_via_add_previous_sibling
doc = Nokogiri::XML("<root>foo</root>")
comment = Nokogiri::XML::Comment.new(doc, "this is a comment")
doc.root.add_previous_sibling(comment)
assert_equal([comment, doc.root], doc.children.to_a)
end
def test_document_root_can_have_a_processing_instruction_sibling_via_add_child
doc = Nokogiri::XML("<root>foo</root>")
pi = Nokogiri::XML::ProcessingInstruction.new(doc, "xml-stylesheet", 'type="text/xsl" href="foo.xsl"')
doc.add_child(pi)
assert_equal([doc.root, pi], doc.children.to_a)
end
def test_document_root_can_have_a_processing_instruction_sibling_via_prepend_child
doc = Nokogiri::XML("<root>foo</root>")
pi = Nokogiri::XML::ProcessingInstruction.new(doc, "xml-stylesheet", 'type="text/xsl" href="foo.xsl"')
doc.prepend_child(pi)
assert_equal([pi, doc.root], doc.children.to_a)
end
def test_document_root_can_have_a_processing_instruction_sibling_via_add_next_sibling
doc = Nokogiri::XML("<root>foo</root>")
pi = Nokogiri::XML::ProcessingInstruction.new(doc, "xml-stylesheet", 'type="text/xsl" href="foo.xsl"')
doc.root.add_next_sibling(pi)
assert_equal([doc.root, pi], doc.children.to_a)
end
def test_document_root_can_have_a_processing_instruction_sibling_via_add_previous_sibling
doc = Nokogiri::XML("<root>foo</root>")
pi = Nokogiri::XML::ProcessingInstruction.new(doc, "xml-stylesheet", 'type="text/xsl" href="foo.xsl"')
doc.root.add_previous_sibling(pi)
assert_equal([pi, doc.root], doc.children.to_a)
end
def test_find_by_css_with_tilde_eql
xml = Nokogiri::XML.parse(<<-eoxml)
<root>
<a>Hello world</a>
<a class='foo bar'>Bar</a>
<a class='bar foo'>Bar</a>
<a class='bar'>Bar</a>
<a class='baz bar foo'>Bar</a>
<a class='bazbarfoo'>Awesome</a>
<a class='bazbar'>Awesome</a>
</root>
eoxml
set = xml.css('a[@class~="bar"]')
assert_equal(4, set.length)
assert_equal(["Bar"], set.map(&:content).uniq)
end
def test_unlink
xml = Nokogiri::XML.parse(<<-eoxml)
<root>
<a class='foo bar'>Bar</a>
<a class='bar foo'>Bar</a>
<a class='bar'>Bar</a>
<a>Hello world</a>
<a class='baz bar foo'>Bar</a>
<a class='bazbarfoo'>Awesome</a>
<a class='bazbar'>Awesome</a>
</root>
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
refute(node.parent)
# assert !node.document
refute(node.previous_sibling)
refute(node.next_sibling)
refute_match(/Hello world/, xml.to_s)
end
def test_next_sibling
assert(sibling = @node.child.next_sibling)
assert_equal("employee", sibling.name)
end
def test_previous_sibling
assert(sibling = @node.child.next_sibling)
assert_equal("employee", sibling.name)
assert_equal(sibling.previous_sibling, @node.child)
end
def test_name=
@node.name = "awesome"
assert_equal("awesome", @node.name)
end
def test_child
assert(child = @node.child)
assert_equal("text", child.name)
end
def test_key?
assert(node = @node.search(".//address").first)
refute(node.key?("asdfasdf"))
end
def test_set_property
assert(node = @node.search(".//address").first)
node["foo"] = "bar"
assert_equal("bar", node["foo"])
end
def test_attributes
assert(node = @node.search(".//address").first)
assert_nil(node["asdfasdfasdf"])
assert_equal("Yes", node["domestic"])
assert(node = @node.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 = @node.search(".//employee"))
assert(node = set.first)
assert_equal("/staff/employee[1]", node.path)
end
def test_search_by_symbol
assert(set = @node.search(:employee))
assert_equal(5, set.length)
assert(node = @node.at(:employee))
assert_match(/EMP0001/, node.text)
end
def test_new_node
node = Nokogiri::XML::Node.new("form", @node.document)
assert_equal("form", node.name)
assert(node.document)
end
def test_encode_special_chars
foo = @node.css("employee").first.encode_special_chars("&")
assert_equal("&", foo)
end
def test_content
node = Nokogiri::XML::Node.new("form", @node.document)
assert_equal("", node.content)
node.content = "hello world!"
assert_equal("hello world!", node.content)
end
def test_whitespace_nodes
doc = Nokogiri::XML.parse("<root><b>Foo</b>\n<i>Bar</i> <p>Bazz</p></root>")
children = doc.at(".//root").children.collect(&:to_s)
assert_equal("\n", children[1])
assert_equal(" ", children[3])
end
def test_replace
set = @node.search(".//employee")
assert_equal(5, set.length)
assert_equal(0, @node.search(".//form").length)
first = set[0]
second = set[1]
node = Nokogiri::XML::Node.new("form", @node.document)
first.replace(node)
assert(set = @node.search(".//employee"))
assert_equal(4, set.length)
assert_equal(1, @node.search(".//form").length)
assert_equal(set[0].to_xml, second.to_xml)
end
def test_replace_on_unparented_node
foo = Node.new("foo", @node.document)
assert_raises(RuntimeError) { @node.replace(foo) }
end
def test_illegal_replace_of_node_with_doc
new_node = Nokogiri::XML.parse("<foo>bar</foo>")
old_node = @node.at(".//employee")
assert_raises(ArgumentError) { old_node.replace(new_node) }
end
def test_unlink_on_unlinked_node_1
node = Nokogiri::XML::Node.new("div", Nokogiri::XML::Document.new)
node.unlink # must_not_raise
assert_nil(node.parent)
end
def test_unlink_on_unlinked_node_2
node = Nokogiri::XML("<div>foo</div>").at_css("div")
node.unlink
node.unlink # must_not_raise
assert_nil(node.parent)
end
end
end
end