require "helper"

module Nokogiri
  module XML
    class TestRelaxNG < Nokogiri::TestCase
      def setup
        assert @schema = Nokogiri::XML::RelaxNG(File.read(ADDRESS_SCHEMA_FILE))
      end

      def test_parse_with_memory
        assert_instance_of Nokogiri::XML::RelaxNG, @schema
        assert_equal 0, @schema.errors.length
      end

      def test_new
        assert schema = Nokogiri::XML::RelaxNG.new(
          File.read(ADDRESS_SCHEMA_FILE))
        assert_instance_of Nokogiri::XML::RelaxNG, schema
      end

      def test_parse_with_io
        xsd = nil
        File.open(ADDRESS_SCHEMA_FILE, 'rb') { |f|
          assert xsd = Nokogiri::XML::RelaxNG(f)
        }
        assert_equal 0, xsd.errors.length
      end

      def test_parse_with_errors
        xml = File.read(ADDRESS_SCHEMA_FILE).sub(/name="/, 'name=')
        assert_raises(Nokogiri::XML::SyntaxError) {
          Nokogiri::XML::RelaxNG(xml)
        }
      end

      def test_validate_document
        doc = Nokogiri::XML(File.read(ADDRESS_XML_FILE))
        assert errors = @schema.validate(doc)
        assert_equal 0, errors.length
      end

      def test_validate_invalid_document
        # Empty address book is not allowed
        read_doc = '<addressBook></addressBook>'

        assert errors = @schema.validate(Nokogiri::XML(read_doc))
        assert_equal 1, errors.length
      end

      def test_valid?
        valid_doc = Nokogiri::XML(File.read(ADDRESS_XML_FILE))

        invalid_doc = Nokogiri::XML('<addressBook></addressBook>')

        assert(@schema.valid?(valid_doc))
        assert(!@schema.valid?(invalid_doc))
      end
    end
  end
end