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# frozen_string_literal: true
require_relative "common"
describe "Sanitize::Transformers::CleanComment" do
make_my_diffs_pretty!
parallelize_me!
describe "when :allow_comments is false" do
before do
@s = Sanitize.new(allow_comments: false, elements: ["div"])
end
it "should remove comments" do
_(@s.fragment("foo <!-- comment --> bar")).must_equal "foo bar"
_(@s.fragment("foo <!-- ")).must_equal "foo "
_(@s.fragment("foo <!-- - -> bar")).must_equal "foo "
_(@s.fragment("foo <!--\n\n\n\n-->bar")).must_equal "foo bar"
_(@s.fragment("foo <!-- <!-- <!-- --> --> -->bar")).must_equal "foo --> -->bar"
_(@s.fragment("foo <div <!-- comment -->>bar</div>")).must_equal "foo <div>>bar</div>"
# Special case: the comment markup is inside a <script>, which makes it
# text content and not an actual HTML comment.
_(@s.fragment("<script><!-- comment --></script>")).must_equal ""
_(Sanitize.fragment("<script><!-- comment --></script>", allow_comments: false, elements: ["script"]))
.must_equal "<script><!-- comment --></script>"
end
end
describe "when :allow_comments is true" do
before do
@s = Sanitize.new(allow_comments: true, elements: ["div"])
end
it "should allow comments" do
_(@s.fragment("foo <!-- comment --> bar")).must_equal "foo <!-- comment --> bar"
_(@s.fragment("foo <!-- ")).must_equal "foo <!-- -->"
_(@s.fragment("foo <!-- - -> bar")).must_equal "foo <!-- - -> bar-->"
_(@s.fragment("foo <!--\n\n\n\n-->bar")).must_equal "foo <!--\n\n\n\n-->bar"
_(@s.fragment("foo <!-- <!-- <!-- --> --> -->bar")).must_equal "foo <!-- <!-- <!-- --> --> -->bar"
_(@s.fragment("foo <div <!-- comment -->>bar</div>")).must_equal "foo <div>>bar</div>"
_(Sanitize.fragment("<script><!-- comment --></script>", allow_comments: true, elements: ["script"]))
.must_equal "<script><!-- comment --></script>"
end
end
end
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