# encoding: UTF-8

require_relative './test_helper'
require 'stringio'

class TestError < Minitest::Test
  # def test_error_codes
  #   assert_equal(4, LibXML::XML::Error::DTD)
  #   assert_equal(4, LibXML::XML::Error.const_get('DTD'))
  #
  #   assert_equal(4, LibXML::XML::Error::DOCUMENT_EMPTY)
  #   assert_equal(4, LibXML::XML::Error.const_get('DOCUMENT_EMPTY'))
  # end
  #
  # def test_invalid_handler
  #   assert_raises(RuntimeError) do
  #     LibXML::XML::Error.set_handler
  #   end
  # end
  #
  # def test_handler
  #   exception = nil
  #   LibXML::XML::Error.set_handler do |error|
  #     exception = error
  #   end
  #
  #   # Raise the error
  #   error = assert_raises(LibXML::XML::Error) do
  #     LibXML::XML::Reader.string('<foo').read
  #   end
  #   assert_equal(exception, error)
  #
  #   # Check the handler worked
  #   refute_nil(exception)
  #   assert_kind_of(LibXML::XML::Error, exception)
  #   assert_equal("Fatal error: Couldn't find end of Start Tag foo at :1.", exception.message)
  #   assert_equal(LibXML::XML::Error::PARSER, exception.domain)
  #   assert_equal(LibXML::XML::Error::GT_REQUIRED, exception.code)
  #   assert_equal(LibXML::XML::Error::FATAL, exception.level)
  #   assert_nil(exception.file)
  #   assert_equal(1, exception.line)
  #   assert_equal('foo', exception.str1)
  #   assert_nil(exception.str2)
  #   assert_nil(exception.str3)
  #   assert_equal(0, exception.int1)
  #   assert_equal(5, exception.int2)
  #   assert_nil(exception.node)
  # end
  #
  # def test_reset_handler
  #   exception = nil
  #   LibXML::XML::Error.set_handler do |error|
  #     exception = error
  #   end
  #
  #   LibXML::XML::Error.reset_handler
  #   LibXML::XML::Reader.string('<foo')
  #   assert_nil(exception)
  # end
  #
  # def test_get_handler
  #   assert_respond_to(LibXML::XML::Error, :get_handler)
  #   assert_equal(0, LibXML::XML::Error.method(:get_handler).arity)
  #
  #   saved_handler = LibXML::XML::Error.get_handler
  #   LibXML::XML::Error.set_handler{ puts "New handler" }
  #   refute_equal(LibXML::XML::Error.get_handler, saved_handler)
  #
  #   LibXML::XML::Error.set_handler(&saved_handler)
  #   assert_equal(LibXML::XML::Error.get_handler, saved_handler)
  # end
  #
  # def test_verbose_handler
  #   LibXML::XML::Error.set_handler(&LibXML::XML::Error::VERBOSE_HANDLER)
  #   output = StringIO.new
  #   original_stderr = Object::STDERR
  #
  #   Object.const_set(:STDERR, output)
  #   begin
  #     assert_raises(LibXML::XML::Error) do
  #       LibXML::XML::Parser.string('<foo><bar/></foz>').parse
  #     end
  #   ensure
  #     Object.const_set(:STDERR, original_stderr)
  #   end
  #   assert_equal("Fatal error: Opening and ending tag mismatch: foo line 1 and foz at :1.\n", output.string)
  # end
  #
  # def test_no_hanlder
  #   LibXML::XML::Error.reset_handler
  #   output = StringIO.new
  #   original_stderr = Object::STDERR
  #
  #   Object.const_set(:STDERR, output)
  #   begin
  #     assert_raises(LibXML::XML::Error) do
  #       LibXML::XML::Parser.string('<foo><bar/></foz>').parse
  #     end
  #   ensure
  #     Object.const_set(:STDERR, original_stderr)
  #   end
  #   assert_equal('', output.string)
  # end
  #
  # def test_parse_error
  #   exception = assert_raises(LibXML::XML::Error) do
  #     LibXML::XML::Parser.string('<foo><bar/></foz>').parse
  #   end
  #
  #   assert_instance_of(LibXML::XML::Error, exception)
  #   assert_equal("Fatal error: Opening and ending tag mismatch: foo line 1 and foz at :1.", exception.message)
  #   assert_equal(LibXML::XML::Error::PARSER, exception.domain)
  #   assert_equal(LibXML::XML::Error::TAG_NAME_MISMATCH, exception.code)
  #   assert_equal(LibXML::XML::Error::FATAL, exception.level)
  #   assert_nil(exception.file)
  #   assert_equal(1, exception.line)
  # end
  #
  # def test_xpath_error
  #   doc = LibXML::XML::Document.file(File.join(File.dirname(__FILE__), 'model/soap.xml'))
  #
  #   exception = assert_raises(LibXML::XML::Error) do
  #     doc.find('/foo[bar=test')
  #   end
  #
  #   assert_instance_of(LibXML::XML::Error, exception)
  #   assert_equal("Error: Invalid predicate.", exception.message)
  #   assert_equal(LibXML::XML::Error::XPATH, exception.domain)
  #   assert_equal(LibXML::XML::Error::XPATH_INVALID_PREDICATE_ERROR, exception.code)
  #   assert_equal(LibXML::XML::Error::ERROR, exception.level)
  #   assert_nil(exception.file)
  #   assert_nil(nil)
  # end

  def test_double_parse
    LibXML::XML::Parser.register_error_handler(lambda {|msg| nil })
    parser = LibXML::XML::Parser.string("<test>something</test>")
    parser.parse

    error = assert_raises(LibXML::XML::Error) do
      # Try parsing a second time
      parser.parse
    end

    assert_equal(" LibXML::XML::Error.", error.to_s)
  end

  # def test_libxml_parser_empty_string
  #   xp = LibXML::XML::Parser.new
  #
  #   error = assert_raises(TypeError) do
  #     xp.string = nil
  #   end
  #   assert_equal('wrong argument type nil (expected String)', error.to_s)
  #
  #   error = assert_raises(ArgumentError) do
  #     xp.string = ''
  #   end
  #   assert_equal('Must specify a string with one or more characters', error.to_s)
  # end
  #
  # def test_error_domain_to_s
  #   exception = assert_raises(LibXML::XML::Error) do
  #     LibXML::XML::Parser.string('<foo href="http://example.org/cgi?k1=v1&k2=v2"></foo>').parse
  #   end
  #
  #   assert_equal(LibXML::XML::Error::PARSER, exception.domain)
  #   assert_equal("PARSER",exception.domain_to_s)
  # end
  #
  # def test_error_code_to_s
  #   exception = assert_raises(LibXML::XML::Error) do
  #     LibXML::XML::Parser.string('<foo href="http://example.org/cgi?k1=v1&k2=v2"></foo>').parse
  #   end
  #   assert_equal(LibXML::XML::Error::ENTITYREF_SEMICOL_MISSING, exception.code)
  #   assert_equal("ENTITYREF_SEMICOL_MISSING",exception.code_to_s)
  # end
end