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# frozen_string_literal: true
require "helper"
describe Nokogiri::CSS do
describe ".xpath_for" do
it "accepts just a selector" do
assert_equal(["//foo"], Nokogiri::CSS.xpath_for("foo"))
end
it "accepts a CSS::XPathVisitor" do
mock_visitor = Minitest::Mock.new
mock_visitor.expect(:accept, "injected-value", [Nokogiri::CSS::Node])
mock_visitor.expect(:prefix, "//")
result = Nokogiri::CSS.xpath_for("foo", visitor: mock_visitor, cache: false)
mock_visitor.verify
assert_equal(["//injected-value"], result)
end
it "accepts an options hash" do
assert_output(nil, /Passing options as an explicit hash is deprecated/) do
assert_equal(
["./foo"],
Nokogiri::CSS.xpath_for("foo", { prefix: "./" }),
)
end
assert_output(nil, /Passing options as an explicit hash is deprecated/) do
assert_equal(
["./foo"],
Nokogiri::CSS.xpath_for("foo", { visitor: Nokogiri::CSS::XPathVisitor.new(prefix: "./") }),
)
end
end
it "accepts keyword arguments" do
assert_equal(
["./foo"],
Nokogiri::CSS.xpath_for("foo", prefix: "./"),
)
assert_equal(
["./foo"],
Nokogiri::CSS.xpath_for("foo", visitor: Nokogiri::CSS::XPathVisitor.new(prefix: "./")),
)
end
it "does not accept both prefix and visitor" do
assert_raises(ArgumentError) do
Nokogiri::CSS.xpath_for("foo", prefix: "./", visitor: Nokogiri::CSS::XPathVisitor.new)
end
end
describe "error handling" do
it "raises a SyntaxError exception if the query is not valid CSS" do
assert_raises(Nokogiri::CSS::SyntaxError) { Nokogiri::CSS.xpath_for("'") }
assert_raises(Nokogiri::CSS::SyntaxError) { Nokogiri::CSS.xpath_for("a[x=]") }
end
it "raises a SyntaxError exception if the query is empty" do
e = assert_raises(Nokogiri::CSS::SyntaxError) { Nokogiri::CSS.xpath_for("") }
assert_equal("empty CSS selector", e.message)
end
it "raises an TypeError exception if the query is not a string" do
assert_raises(TypeError) { Nokogiri::CSS.xpath_for(nil) }
assert_raises(TypeError) { Nokogiri::CSS.xpath_for(3) }
assert_raises(TypeError) { Nokogiri::CSS.xpath_for(Object.new) }
assert_raises(TypeError) { Nokogiri::CSS.xpath_for(["foo", "bar"]) }
end
it "raises an exception for pseudo-classes that are not XPath Names" do
# see https://github.com/sparklemotion/nokogiri/issues/3193
assert_raises(Nokogiri::CSS::SyntaxError) { Nokogiri::CSS.xpath_for("div:-moz-drag-over") }
assert_raises(Nokogiri::CSS::SyntaxError) { Nokogiri::CSS.xpath_for("div:-moz-drag-over()") }
end
end
end
end
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