# frozen_string_literal: true

require "helper"

module Nokogiri
  module XML
    class TestNodeAttributes < Nokogiri::TestCase
      def test_attribute_with_ns
        doc = Nokogiri::XML(<<-eoxml)
          <root xmlns:tlm='http://tenderlovemaking.com/'>
            <node tlm:foo='bar' foo='baz' />
          </root>
        eoxml

        node = doc.at("node")

        assert_equal("bar",
          node.attribute_with_ns("foo", "http://tenderlovemaking.com/").value)
      end

      def test_prefixed_attributes
        doc = Nokogiri::XML("<root xml:lang='en-GB' />")

        node = doc.root

        assert_equal("en-GB", node["xml:lang"])
        assert_equal("en-GB", node.attributes["lang"].value)
        assert_nil(node["lang"])
      end

      def test_unknown_namespace_prefix_should_not_be_removed
        doc = Nokogiri::XML("")
        elem = doc.create_element("foo", "bar:attr" => "something")
        assert_equal("bar:attr", elem.attribute_nodes.first.name)
      end

      def test_set_prefixed_attributes
        doc = Nokogiri::XML(%{<root xmlns:foo="x"/>})

        node = doc.root

        node["xml:lang"] = "en-GB"
        node["foo:bar"]  = "bazz"

        assert_equal("en-GB", node["xml:lang"])
        assert_equal("en-GB", node.attributes["lang"].value)
        assert_nil(node["lang"])
        assert_equal("http://www.w3.org/XML/1998/namespace", node.attributes["lang"].namespace.href)

        assert_equal("bazz", node["foo:bar"])
        assert_equal("bazz", node.attributes["bar"].value)
        assert_nil(node["bar"])
        assert_equal("x", node.attributes["bar"].namespace.href)
      end

      def test_append_child_namespace_definitions_prefixed_attributes
        doc = Nokogiri::XML("<root/>")
        node = doc.root

        node["xml:lang"] = "en-GB"

        assert_empty(node.namespace_definitions.map(&:prefix))

        child_node = Nokogiri::XML::Node.new("foo", doc)
        node << child_node

        assert_empty(node.namespace_definitions.map(&:prefix))
      end

      def test_append_child_element_with_prefixed_attributes
        doc = Nokogiri::XML("<root/>")
        node = doc.root

        assert_empty(node.namespace_definitions.map(&:prefix))

        # assert_nothing_raised do
        child_node = Nokogiri::XML::Node.new("foo", doc)
        child_node["xml:lang"] = "en-GB"

        node << child_node
        # end

        assert_empty(child_node.namespace_definitions.map(&:prefix))
      end

      def test_namespace_key?
        doc = Nokogiri::XML(<<-eoxml)
          <root xmlns:tlm='http://tenderlovemaking.com/'>
            <node tlm:foo='bar' foo='baz' />
          </root>
        eoxml

        node = doc.at("node")

        assert(node.namespaced_key?("foo", "http://tenderlovemaking.com/"))
        assert(node.namespaced_key?("foo", nil))
        refute(node.namespaced_key?("foo", "foo"))
      end

      def test_set_attribute_frees_nodes
        # testing a segv
        skip_unless_libxml2("JRuby doesn't do GC.")
        document = Nokogiri::XML.parse("<foo></foo>")

        node = document.root
        node["visible"] = "foo"
        attribute = node.attribute("visible")
        text = Nokogiri::XML::Text.new("bar", document)
        attribute.add_child(text)

        stress_memory_while do
          node["visible"] = "attr"
        end
      end
    end
  end
end
