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# frozen_string_literal: true
require_relative "common"
describe "Sanitize::Transformers::CleanDoctype" do
make_my_diffs_pretty!
parallelize_me!
describe "when :allow_doctype is false" do
before do
@s = Sanitize.new(allow_doctype: false, elements: ["html"])
end
it "should remove doctype declarations" do
_(@s.document("<!DOCTYPE html><html>foo</html>")).must_equal "<html>foo</html>"
_(@s.fragment("<!DOCTYPE html>foo")).must_equal "foo"
end
it "should not allow doctype definitions in fragments" do
_(@s.fragment("<!DOCTYPE html><html>foo</html>"))
.must_equal "foo"
_(@s.fragment('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html>foo</html>'))
.must_equal "foo"
_(@s.fragment("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"\n \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\"><html>foo</html>"))
.must_equal "foo"
end
end
describe "when :allow_doctype is true" do
before do
@s = Sanitize.new(allow_doctype: true, elements: ["html"])
end
it "should allow doctype declarations in documents" do
_(@s.document("<!DOCTYPE html><html>foo</html>"))
.must_equal "<!DOCTYPE html><html>foo</html>"
_(@s.document('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html>foo</html>'))
.must_equal "<!DOCTYPE html><html>foo</html>"
_(@s.document("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"\n \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\"><html>foo</html>"))
.must_equal "<!DOCTYPE html><html>foo</html>"
end
it "should not allow obviously invalid doctype declarations in documents" do
_(@s.document("<!DOCTYPE blah blah blah><html>foo</html>"))
.must_equal "<!DOCTYPE html><html>foo</html>"
_(@s.document("<!DOCTYPE blah><html>foo</html>"))
.must_equal "<!DOCTYPE html><html>foo</html>"
_(@s.document('<!DOCTYPE html BLAH "-//W3C//DTD HTML 4.01//EN"><html>foo</html>'))
.must_equal "<!DOCTYPE html><html>foo</html>"
_(@s.document("<!whatever><html>foo</html>"))
.must_equal "<html>foo</html>"
end
it "should not allow doctype definitions in fragments" do
_(@s.fragment("<!DOCTYPE html><html>foo</html>"))
.must_equal "foo"
_(@s.fragment('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html>foo</html>'))
.must_equal "foo"
_(@s.fragment("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"\n \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\"><html>foo</html>"))
.must_equal "foo"
end
end
end
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