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# frozen_string_literal: true
require "helper"
module Nokogiri
module XML
class TestC14N < Nokogiri::TestCase
# http://www.w3.org/TR/xml-c14n#Example-OutsideDoc
def test_3_1
doc = Nokogiri.XML(<<~eoxml)
<?xml version="1.0"?>
<?xml-stylesheet href="doc.xsl"
type="text/xsl" ?>
<!DOCTYPE doc SYSTEM "doc.dtd">
<doc>Hello, world!<!-- Comment 1 --></doc>
<?pi-without-data ?>
<!-- Comment 2 -->
<!-- Comment 3 -->
eoxml
c14n = doc.canonicalize
refute_match(/version=/, c14n)
assert_match(/Hello, world/, c14n)
refute_match(/Comment/, c14n)
c14n = doc.canonicalize(nil, nil, true)
assert_match(/Comment/, c14n)
c14n = doc.canonicalize(nil, nil, false)
refute_match(/Comment/, c14n)
end
def test_exclude_block_params
xml = "<a><b></b></a>"
doc = Nokogiri.XML(xml)
list = []
doc.canonicalize do |node, parent|
list << [node, parent]
true
end
if Nokogiri.jruby?
assert_equal(
["a", "document", "document", nil, "b", "a"],
list.flatten.map { |x| x ? x.name : x }
)
else
assert_equal(
["a", "document", "document", nil, "b", "a", "a", "document"],
list.flatten.map { |x| x ? x.name : x }
)
end
end
def test_exclude_block_true
xml = "<a><b></b></a>"
doc = Nokogiri.XML(xml)
c14n = doc.canonicalize do |_node, _parent|
true
end
assert_equal(xml, c14n)
end
def test_exclude_block_false
xml = "<a><b></b></a>"
doc = Nokogiri.XML(xml)
c14n = doc.canonicalize do |_node, _parent|
false
end
assert_equal("", c14n)
end
def test_exclude_block_nil
xml = "<a><b></b></a>"
doc = Nokogiri.XML(xml)
c14n = doc.canonicalize do |_node, _parent|
nil
end
assert_equal("", c14n)
end
def test_exclude_block_object
xml = "<a><b></b></a>"
doc = Nokogiri.XML(xml)
c14n = doc.canonicalize do |_node, _parent|
Object.new
end
assert_equal(xml, c14n)
end
def test_c14n_node
xml = "<a><b><c></c></b></a>"
doc = Nokogiri.XML(xml)
c14n = doc.at_xpath("//b").canonicalize
assert_equal("<b><c></c></b>", c14n)
end
def test_c14n_modes
# http://www.w3.org/TR/xml-exc-c14n/#sec-Enveloping
doc1 = Nokogiri.XML(<<~EOXML)
<n0:local xmlns:n0="http://foobar.org" xmlns:n3="ftp://example.org">
<n1:elem2 xmlns:n1="http://example.net" xml:lang="en">
<n3:stuff xmlns:n3="ftp://example.org"/>
</n1:elem2>
</n0:local>
EOXML
doc2 = Nokogiri.XML(<<~EOXML)
<n2:pdu xmlns:n1="http://example.com"
xmlns:n2="http://foo.example"
xmlns:n4="http://foo.example"
xml:lang="fr"
xml:space="retain">
<n1:elem2 xmlns:n1="http://example.net" xml:lang="en">
<n3:stuff xmlns:n3="ftp://example.org"/>
<n4:stuff />
</n1:elem2>
</n2:pdu>
EOXML
expected = <<~EOF.strip
<n1:elem2 xmlns:n0="http://foobar.org" xmlns:n1="http://example.net" xmlns:n3="ftp://example.org" xml:lang="en">
<n3:stuff></n3:stuff>
</n1:elem2>
EOF
c14n = doc1.at_xpath("//n1:elem2", { "n1" => "http://example.net" }).canonicalize
assert_equal(expected, c14n)
expected = <<~EOF.strip
<n1:elem2 xmlns:n1="http://example.net" xmlns:n2="http://foo.example" xmlns:n4="http://foo.example" xml:lang="en" xml:space="retain">
<n3:stuff xmlns:n3="ftp://example.org"></n3:stuff>
<n4:stuff></n4:stuff>
</n1:elem2>
EOF
c14n = doc2.at_xpath("//n1:elem2", { "n1" => "http://example.net" }).canonicalize
assert_equal(expected, c14n)
expected = <<~EOF.strip
<n1:elem2 xmlns:n1="http://example.net" xml:lang="en">
<n3:stuff xmlns:n3="ftp://example.org"></n3:stuff>
</n1:elem2>
EOF
c14n = doc1.at_xpath("//n1:elem2", { "n1" => "http://example.net" }).canonicalize(XML::XML_C14N_EXCLUSIVE_1_0)
assert_equal(expected, c14n)
expected = <<~EOF.strip
<n1:elem2 xmlns:n1="http://example.net" xml:lang="en">
<n3:stuff xmlns:n3="ftp://example.org"></n3:stuff>
<n4:stuff xmlns:n4="http://foo.example"></n4:stuff>
</n1:elem2>
EOF
c14n = doc2.at_xpath("//n1:elem2", { "n1" => "http://example.net" }).canonicalize(XML::XML_C14N_EXCLUSIVE_1_0)
assert_equal(expected, c14n)
expected = <<~EOF.strip
<n1:elem2 xmlns:n1="http://example.net" xmlns:n2="http://foo.example" xml:lang="en">
<n3:stuff xmlns:n3="ftp://example.org"></n3:stuff>
<n4:stuff xmlns:n4="http://foo.example"></n4:stuff>
</n1:elem2>
EOF
c14n = doc2.at_xpath("//n1:elem2", { "n1" => "http://example.net" }).canonicalize(XML::XML_C14N_EXCLUSIVE_1_0, ["n2"])
assert_equal(expected, c14n)
expected = <<~EOF.strip
<n1:elem2 xmlns:n1="http://example.net" xmlns:n2="http://foo.example" xmlns:n4="http://foo.example" xml:lang="en">
<n3:stuff xmlns:n3="ftp://example.org"></n3:stuff>
<n4:stuff></n4:stuff>
</n1:elem2>
EOF
c14n = doc2.at_xpath("//n1:elem2", { "n1" => "http://example.net" }).canonicalize(XML::XML_C14N_EXCLUSIVE_1_0, ["n2", "n4"])
assert_equal(expected, c14n)
end
def test_wrong_params
xml = "<a><b></b></a>"
doc = Nokogiri.XML(xml)
assert_raises(TypeError) { doc.canonicalize(:wrong_type) }
assert_raises(TypeError) { doc.canonicalize(nil, :wrong_type) }
doc.canonicalize(nil, nil, :wrong_type)
end
end
end
end
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