# 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
