# frozen_string_literal: false

require "rexml/light/node"
require "rexml/parsers/lightparser"

module REXMLTests
  class LightTester < Test::Unit::TestCase
    include Helper::Fixture
    include REXML::Light

    def test_parse_large
      xml_string = File.read(fixture_path("documentation.xml"))
      parser = REXML::Parsers::LightParser.new(xml_string)
      tag, content = parser.parse
      assert_equal([:document, :xmldecl], [tag, content.first])
    end

    # FIXME INCOMPLETE
    # This is because the light API is not yet ready to be used to produce
    # trees.
=begin
    def test_add_element
      doc = Node.new
      foo = doc.add_element( 'foo' )
      assert_equal( "foo", foo.name )
    end

    def test_add_attribute
      foo = Node.new( "a" )
      foo["attr"] = "bar"
      assert_equal( "bar", foo["attr"] )
    end

    def test_write_document
      r = make_small_document
      assert_equal( "<a><b/><c/></a>", r.to_s )
    end

    def test_add_attribute_under_namespace
      foo = Node.new("a")
      foo["attr", "a"] = "1"
      foo["attr", "b"] = "2"
      foo["attr"] = "3"
      assert_equal( '1', foo['attr', 'a'] )
      assert_equal( '2', foo['attr', 'b'] )
      assert_equal( '3', foo['attr'] )
    end

    def test_change_namespace_of_element
      foo = Node.new
      assert_equal( '', foo.namespace )
      foo.namespace = 'a'
      assert_equal( 'a', foo.namespace )
    end

    def test_access_child_elements
      foo = make_small_document
      assert_equal( 1, foo.size )
      a = foo[0]
      assert_equal( 2, a.size )
      assert_equal( 'b', a[0].name )
      assert_equal( 'c', a[1].name )
    end

    def test_iterate_over_children
      foo = make_small_document
      ctr = 0
      foo[0].each { ctr += 1 }
      assert_equal( 2, ctr )
    end

    def test_add_text
      foo = Node.new( "a" )
      foo.add_text( "Sean" )
      sean = foo[0]
      assert( sean.node_type == :text )
    end

    def test_add_instruction
      foo = Node.new( "a" )
      foo.add_instruction( "target", "value" )
      assert( foo[0].node_type == :processing_instruction )
    end

    def test_add_comment
      foo = Node.new( "a" )
      foo.add_comment( "target", "value" )
      assert( foo[0].node_type == :comment )
    end

    def test_get_root
      foo = Node.new( 'a' )
      10.times { foo = foo.add_element('b') }
      assert_equals( 'b', foo.name )
      assert_equals( 'a', foo.root.name )
    end

    def make_small_document
      r = Node.new
      a = r.add_element( "a" )
      a.add_element( 'b' )
      a.add_element( 'c' )
      r
    end
=end
  end
end
