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# frozen_string_literal: true
require "helper"
class TestNokogiri < Nokogiri::TestCase
describe Nokogiri::CSS::Parser do
let(:parser) { Nokogiri::CSS::Parser.new }
it "#find_by_type" do
ast = parser.parse("a:nth-child(2)").first
matches = ast.find_by_type(
[:CONDITIONAL_SELECTOR,
[:ELEMENT_NAME],
[:PSEUDO_CLASS,
[:FUNCTION],],]
)
assert_equal(1, matches.length)
assert_equal(ast, matches.first)
end
it "#to_type" do
ast = parser.parse("a:nth-child(2)").first
assert_equal(
[:CONDITIONAL_SELECTOR,
[:ELEMENT_NAME],
[:PSEUDO_CLASS,
[:FUNCTION],],],
ast.to_type
)
end
it "#to_a_" do
asts = parser.parse("a:nth-child(2)")
assert_equal(
[:CONDITIONAL_SELECTOR,
[:ELEMENT_NAME, ["a"]],
[:PSEUDO_CLASS,
[:FUNCTION, ["nth-child("], ["2"]],],],
asts.first.to_a
)
end
it "parses xpath attributes in conditional selectors" do
ast = parser.parse("a[@class~=bar]").first
assert_equal(
[:CONDITIONAL_SELECTOR,
[:ELEMENT_NAME, ["a"]],
[:ATTRIBUTE_CONDITION,
[:ATTRIB_NAME, ["class"]],
[:includes],
["bar"],],],
ast.to_a
)
end
it "parses xpath attributes" do
ast = parser.parse("a/@href").first
assert_equal(
[:CHILD_SELECTOR, [:ELEMENT_NAME, ["a"]], [:ATTRIB_NAME, ["href"]]],
ast.to_a
)
end
it "parses xpath attributes passed to xpath functions" do
ast = parser.parse("a:foo(@href)").first
assert_equal(
[:CONDITIONAL_SELECTOR,
[:ELEMENT_NAME, ["a"]],
[:PSEUDO_CLASS,
[:FUNCTION, ["foo("],
[:ATTRIB_NAME, ["href"]],],],],
ast.to_a,
)
ast = parser.parse("a:foo(@href,@id)").first
assert_equal(
[:CONDITIONAL_SELECTOR,
[:ELEMENT_NAME, ["a"]],
[:PSEUDO_CLASS,
[:FUNCTION, ["foo("],
[:ATTRIB_NAME, ["href"]],
[:ATTRIB_NAME, ["id"]],],],],
ast.to_a,
)
end
end
end
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