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# frozen_string_literal: true
require "helper"
describe "compaction" do
def skip_compaction_tests
!GC.respond_to?(:verify_compaction_references)
end
describe Nokogiri::XML::Node do
it "compacts safely" do # https://github.com/sparklemotion/nokogiri/pull/2579
skip if skip_compaction_tests
refute_valgrind_errors do
big_doc = "<root>" + ("a".."zz").map { |x| "<#{x}>#{x}</#{x}>" }.join + "</root>"
doc = Nokogiri.XML(big_doc)
# ensure a bunch of node objects have been wrapped
doc.root.children.each(&:inspect)
# compact the heap and try to get the node wrappers to move
gc_verify_compaction_references
# access the node wrappers and make sure they didn't move
doc.root.children.each(&:inspect)
end
end
end
describe Nokogiri::XML::Namespace do
it "namespace_scopes" do
skip if skip_compaction_tests
doc = Nokogiri::XML(<<~EOF)
<root xmlns="http://example.com/root" xmlns:bar="http://example.com/bar">
<first/>
<second xmlns="http://example.com/child"/>
<third xmlns:foo="http://example.com/foo"/>
</root>
EOF
refute_valgrind_errors do
doc.at_xpath("//root:first", "root" => "http://example.com/root").namespace_scopes.inspect
gc_verify_compaction_references
doc.at_xpath("//root:first", "root" => "http://example.com/root").namespace_scopes.inspect
end
end
it "remove_namespaces!" do
skip if skip_compaction_tests
doc = Nokogiri::XML(<<~XML)
<root xmlns:a="http://a.flavorjon.es/" xmlns:b="http://b.flavorjon.es/">
<a:foo>hello from a</a:foo>
<b:foo>hello from b</b:foo>
<container xmlns:c="http://c.flavorjon.es/">
<c:foo c:attr='attr-value'>hello from c</c:foo>
</container>
</root>
XML
refute_valgrind_errors do
namespaces = doc.root.namespaces
namespaces.each(&:inspect)
doc.remove_namespaces!
gc_verify_compaction_references
namespaces.each(&:inspect)
end
end
end
end
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